Четвертая лабораторная работа. React.

backend/lab/build.gradle

@@ -14,6 +14,13 @@ repositories {
 
 dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-web'
+
+	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+	implementation 'com.h2database:h2:2.1.210'
+	implementation 'org.springframework.boot:spring-boot-starter-validation'
+
+	implementation group: 'org.springdoc', name: 'springdoc-openapi-ui', version: '1.6.5'
+	implementation 'org.hibernate.validator:hibernate-validator'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 }
 

backend/lab/data.trace.db

@@ -0,0 +1,58 @@
+2023-04-25 12:33:02 database: wrong user or password; user: "USER"
+org.h2.message.DbException: Неверное имя пользователя или пароль
+Wrong user name or password [28000-210]
+	at org.h2.message.DbException.get(DbException.java:227)
+	at org.h2.message.DbException.get(DbException.java:203)
+	at org.h2.message.DbException.get(DbException.java:192)
+	at org.h2.engine.Engine.openSession(Engine.java:154)
+	at org.h2.engine.Engine.openSession(Engine.java:222)
+	at org.h2.engine.Engine.createSession(Engine.java:201)
+	at org.h2.engine.SessionRemote.connectEmbeddedOrServer(SessionRemote.java:338)
+	at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:122)
+	at org.h2.util.JdbcUtils.getConnection(JdbcUtils.java:288)
+	at org.h2.server.web.WebServer.getConnection(WebServer.java:807)
+	at org.h2.server.web.WebApp.login(WebApp.java:1033)
+	at org.h2.server.web.WebApp.process(WebApp.java:226)
+	at org.h2.server.web.WebApp.processRequest(WebApp.java:176)
+	at org.h2.server.web.JakartaWebServlet.doGet(JakartaWebServlet.java:129)
+	at org.h2.server.web.JakartaWebServlet.doPost(JakartaWebServlet.java:166)
+	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:731)
+	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:814)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:223)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158)
+	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158)
+	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158)
+	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158)
+	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158)
+	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:177)
+	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
+	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542)
+	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:119)
+	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
+	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
+	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357)
+	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:400)
+	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
+	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:859)
+	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1734)
+	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
+	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
+	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
+	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
+	at java.base/java.lang.Thread.run(Thread.java:833)
+Caused by: org.h2.jdbc.JdbcSQLInvalidAuthorizationSpecException: Неверное имя пользователя или пароль
+Wrong user name or password [28000-210]
+	at org.h2.message.DbException.getJdbcSQLException(DbException.java:529)
+	at org.h2.message.DbException.getJdbcSQLException(DbException.java:496)
+	... 50 more

backend/lab/src/main/java/com/example/lab/AllTypeCalc/configuration/CalcConfig.java

@@ -0,0 +1,30 @@
+package com.example.lab.AllTypeCalc.configuration;
+
+import com.example.lab.AllTypeCalc.domain.CalculationInt;
+import com.example.lab.AllTypeCalc.domain.CalculationStr;
+import  com.example.lab.AllTypeCalc.domain.CalculationArr;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.context.annotation.Bean;
+
+public class CalcConfig {
+    private final Logger log = LoggerFactory.getLogger(com.example.lab.AllTypeCalc.configuration.CalcConfig.class);
+
+    @Bean(value = "int")
+    public CalculationInt createCalculationInt(){
+        log.info("Call createCalculationInt()");
+        return new CalculationInt();
+    }
+
+    @Bean(value = "str")
+    public CalculationStr createCalculationStr() {
+        log.info("Call createCalculationStr()");
+        return new CalculationStr();
+    }
+
+    @Bean (value = "arr")
+    public CalculationArr createCalculationArr() {
+        log.info("Call createCalculationArr()");
+        return new CalculationArr();
+    }
+}

backend/lab/src/main/java/com/example/lab/AllTypeCalc/controller/CalcController.java

@@ -0,0 +1,43 @@
+package com.example.lab.AllTypeCalc.controller;
+
+import com.example.lab.AllTypeCalc.service.CalcService;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class CalcController {
+    private final CalcService calcService;
+
+    public CalcController(CalcService calcService) {
+        this.calcService = calcService;
+    }
+
+    @GetMapping("/GetSum")
+    public Object getSum(@RequestParam(value = "obj1", defaultValue = "null") Object obj1,
+                         @RequestParam(value = "obj2", defaultValue = "null") Object obj2,
+                         @RequestParam(value = "typeInp", defaultValue = "str") String typeInp) {
+        return calcService.GetSum(obj1, obj2, typeInp);
+    }
+
+    @GetMapping("/GetMinus")
+    public Object getMinus(@RequestParam(value = "obj1", defaultValue = "null") Object obj1,
+                           @RequestParam(value = "obj2", defaultValue = "null") Object obj2,
+                           @RequestParam(value = "typeInp", defaultValue = "str") String typeInp) {
+        return calcService.GetMinus(obj1, obj2, typeInp);
+    }
+
+    @GetMapping("/GetMult")
+    public Object getMult(@RequestParam(value = "obj1", defaultValue = "null") Object obj1,
+                          @RequestParam(value = "obj2", defaultValue = "null") Object obj2,
+                          @RequestParam(value = "typeInp", defaultValue = "str") String typeInp) {
+        return calcService.GetMult(obj1, obj2, typeInp);
+    }
+
+    @GetMapping("/GetDiv")
+    public Object getDiv(@RequestParam(value = "obj1", defaultValue = "null") Object obj1,
+                         @RequestParam(value = "obj2", defaultValue = "null") Object obj2,
+                         @RequestParam(value = "typeInp", defaultValue = "str") String typeInp) {
+        return calcService.GetDiv(obj1, obj2, typeInp);
+    }
+}

backend/lab/src/main/java/com/example/lab/AllTypeCalc/domain/CalculationArr.java

@@ -0,0 +1,97 @@
+package com.example.lab.AllTypeCalc.domain;
+import com.example.lab.AllTypeCalc.domain.ICalculation;
+import org.springframework.stereotype.Component;
+
+import java.util.Arrays;
+
+@Component(value = "arr")
+public class CalculationArr implements ICalculation<String[]> {
+
+    @Override
+    public String[] GetSum(String[] firstInp, String[] secondInp) {
+        String[] resArr;
+        String[] longArr;
+        String[] shortArr;
+        if (secondInp.length > firstInp.length) {
+            longArr = secondInp.clone();
+            shortArr = firstInp.clone();
+        } else {
+            longArr = firstInp.clone();
+            shortArr = secondInp.clone();
+        }
+        resArr = new String[longArr.length];
+        for (int i = 0; i < shortArr.length; i++) {
+            resArr[i] = Integer.toString(Integer.parseInt(longArr[i])  + Integer.parseInt(shortArr[i]));
+        }
+        for (int i = shortArr.length; i < longArr.length; i++) {
+            resArr[i] = longArr[i];
+        }
+        return resArr;
+    }
+
+    @Override
+    public String[] GetMinus(String[] firstInp, String[] secondInp) {
+        String[] resArr;
+        String[] longArr;
+        String[] shortArr;
+        if (secondInp.length > firstInp.length) {
+            longArr = secondInp.clone();
+            shortArr = firstInp.clone();
+        } else {
+            longArr = firstInp.clone();
+            shortArr = secondInp.clone();
+        }
+        resArr = new String[longArr.length];
+        for (int i = 0; i < shortArr.length; i++) {
+            resArr[i] = Integer.toString(Integer.parseInt(longArr[i])  - Integer.parseInt(shortArr[i]));
+        }
+        for (int i = shortArr.length; i < longArr.length; i++) {
+            resArr[i] = longArr[i];
+        }
+        return resArr;
+    }
+
+    @Override
+    public String[] GetMult(String firstInp[], String secondInp[]) {
+        String[] resArr;
+        String[] longArr;
+        String[] shortArr;
+        if (secondInp.length > firstInp.length) {
+            longArr = secondInp.clone();
+            shortArr = firstInp.clone();
+        } else {
+            longArr = firstInp.clone();
+            shortArr = secondInp.clone();
+        }
+        resArr = new String[longArr.length];
+        for (int i = 0; i < shortArr.length; i++) {
+            resArr[i] = Integer.toString(Integer.parseInt(longArr[i])  * Integer.parseInt(shortArr[i]));
+        }
+        for (int i = shortArr.length; i < longArr.length; i++) {
+            resArr[i] = longArr[i];
+        }
+        return resArr;
+    }
+
+    @Override
+    public String[] GetDiv(String[] firstInp, String[] secondInp) {
+        String[] resArr;
+        String[] longArr;
+        String[] shortArr;
+        if (secondInp.length > firstInp.length) {
+            longArr = secondInp.clone();
+            shortArr = firstInp.clone();
+        } else {
+            longArr = firstInp.clone();
+            shortArr = secondInp.clone();
+        }
+        resArr = new String[longArr.length];
+        for (int i = 0; i < shortArr.length; i++) {
+            resArr[i] =Integer.toString(Integer.parseInt(longArr[i])  / Integer.parseInt(shortArr[i]));
+        }
+        for (int i = shortArr.length; i < longArr.length; i++) {
+            resArr[i] = longArr[i];
+        }
+        return resArr;
+    }
+}

backend/lab/src/main/java/com/example/lab/AllTypeCalc/domain/CalculationInt.java

@@ -0,0 +1,33 @@
+package com.example.lab.AllTypeCalc.domain;
+
+import com.example.lab.AllTypeCalc.domain.ICalculation;
+import org.springframework.stereotype.Component;
+
+@Component(value = "int")
+
+public class CalculationInt implements ICalculation<Integer> {
+    @Override
+    public Integer GetSum(Integer firstInp, Integer secondInp) {
+        return firstInp+secondInp;
+    }
+
+    @Override
+    public Integer GetMinus(Integer firstInp, Integer secondInp) {
+        return firstInp - secondInp;
+    }
+
+    @Override
+    public Integer GetMult(Integer firstInp, Integer secondInp) {
+        return firstInp*secondInp;
+    }
+
+    @Override
+    public Integer GetDiv(Integer firstInp, Integer secondInp) {
+        if (secondInp == 0){
+            return 0;
+        }
+        else{
+            return (firstInp/secondInp);
+        }
+    }
+}

backend/lab/src/main/java/com/example/lab/AllTypeCalc/domain/CalculationStr.java

@@ -0,0 +1,54 @@
+package com.example.lab.AllTypeCalc.domain;
+
+import com.example.lab.AllTypeCalc.domain.ICalculation;
+import org.springframework.stereotype.Component;
+
+@Component(value = "str")
+
+public class CalculationStr implements ICalculation<String> {
+    @Override
+    public String GetSum(String firstInp, String secondInp) {
+        return (firstInp+secondInp);
+    }
+
+    @Override
+    public String GetMinus(String firstInp, String secondInp) {
+        StringBuilder bufStr = new StringBuilder();
+        if (firstInp.equals(secondInp)){
+            return "0";
+        }
+        else {
+            for (int i = 0; i < firstInp.length(); i++) {
+                boolean check = true;
+                for (int k = 0; k < secondInp.length(); k++) {
+                    if (firstInp.charAt(i) == secondInp.charAt(k)) {
+                        check = false;
+                        break;
+                    }
+                }
+                if (check){
+                    bufStr.append(firstInp.charAt(i));}
+            }
+        }
+        return bufStr.toString();
+    }
+
+    @Override
+    public String GetMult(String firstInp, String secondInp) {
+        int multInt = secondInp.length();
+        StringBuilder multResult = new StringBuilder();
+        for (int i = 0; i < multInt; i++){
+            multResult.append(firstInp);
+        }
+        return multResult.toString();
+    }
+
+    @Override
+    public String GetDiv(String firstInp, String secondInp) {
+        if (secondInp.length() !=0) {
+            double divRes = 1.0 * firstInp.length() / secondInp.length();
+            return Double.toString(divRes);
+        }
+        else return "error";
+    }
+}

backend/lab/src/main/java/com/example/lab/AllTypeCalc/domain/ICalculation.java

@@ -0,0 +1,8 @@
+package com.example.lab.AllTypeCalc.domain;
+
+public interface ICalculation <V> {
+    V GetSum(V firstInp, V secondInp);
+    V GetMinus (V firstInp, V secondInp);
+    V GetMult (V firstInp, V secondInp);
+    V GetDiv(V firstInp, V secondInp);
+}

backend/lab/src/main/java/com/example/lab/AllTypeCalc/service/CalcService.java

@@ -0,0 +1,83 @@
+package com.example.lab.AllTypeCalc.service;
+
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.context.ApplicationContext;
+import org.springframework.stereotype.Service;
+import com.example.lab.AllTypeCalc.domain.CalculationInt;
+import com.example.lab.AllTypeCalc.domain.ICalculation;
+
+import java.util.Arrays;
+
+@Service
+public class CalcService {
+    private final ApplicationContext applicationContext;
+    private final Logger log = LoggerFactory.getLogger(CalculationInt.class);
+    public CalcService(ApplicationContext applicationContext) {
+        this.applicationContext = applicationContext;
+    }
+
+    public Object GetSum(Object firstInp, Object secondInp, String type) {
+        final ICalculation calculator = (ICalculation) applicationContext.getBean(type);
+        if(type.equals("str")){
+            return calculator.GetSum(firstInp.toString(),secondInp.toString());
+        }
+        if(type.equals("int")) {
+            return calculator.GetSum(Integer.parseInt(firstInp.toString()), Integer.parseInt(secondInp.toString()) );
+        }
+        if(type.equals("arr")){
+            return calculator.GetSum(cleanToArr(firstInp) , cleanToArr(secondInp));
+        }
+        return "error";
+    }
+    public Object GetMinus(Object firstInp, Object secondInp, String type) {
+        final ICalculation calculator = (ICalculation) applicationContext.getBean(type);
+        if(type.equals("str")){
+            return calculator.GetMinus(firstInp.toString(),secondInp.toString());
+        }
+        if (type.equals("int")){
+            return calculator.GetMinus(Integer.parseInt(firstInp.toString()), Integer.parseInt(secondInp.toString()));
+        }
+        if(type.equals("arr")){
+            return calculator.GetMinus(cleanToArr(firstInp) , cleanToArr(secondInp));
+        }
+        return "error";
+    }
+    public Object GetMult(Object firstInp, Object secondInp, String type) {
+        final ICalculation calculator = (ICalculation) applicationContext.getBean(type);
+        if(type.equals("str")){
+            return calculator.GetMult(firstInp.toString(), secondInp.toString());
+        }
+        if (type.equals("int")){
+            return calculator.GetMult(Integer.parseInt(firstInp.toString()),
+                    Integer.parseInt(secondInp.toString()));
+        }
+        if (type.equals("arr")){
+            return calculator.GetMult(cleanToArr(firstInp) , cleanToArr(secondInp));
+        }
+        return "error";
+    }
+    public Object GetDiv(Object firstInp, Object secondInp, String type) {
+        final ICalculation calculator = (ICalculation) applicationContext.getBean(type);
+        if (type.equals("str")){
+            return  calculator.GetDiv(firstInp.toString(), secondInp.toString());
+        }
+        if (type.equals("int")){
+            return calculator.GetDiv(
+                    Integer.parseInt(firstInp.toString()),
+                    Integer.parseInt(secondInp.toString()));
+        }
+        if(type.equals("arr")){
+            return calculator.GetDiv(cleanToArr(firstInp) , cleanToArr(secondInp));
+        }
+        return "error";
+    }
+
+    public String[] cleanToArr(Object arr){
+        return Arrays.stream(arr.toString()
+                .split("[\\(\\)\\,\\.\\[\\] \\!\\?\\:\\;]"))
+                .filter(e -> e.trim().length()>0)
+                .toArray(String[]::new);
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/Controllers/CartController.java

@@ -0,0 +1,44 @@
+package com.example.lab.DataBase.Controllers;
+
+
+import com.example.lab.DataBase.DTOs.CartDTO;
+import com.example.lab.DataBase.DTOs.CustomerDTO;
+import com.example.lab.DataBase.Services.CartService;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/cart")
+
+public class CartController {
+    private final CartService cartService;
+
+    public CartController(CartService cartService){
+        this.cartService = cartService;
+    }
+
+    @GetMapping("/{id}")
+    public CartDTO getCart(@PathVariable Long id){
+        return new CartDTO(cartService.getCart(id));
+    }
+
+    @GetMapping
+    public List<CartDTO> getCarts(){
+        return  cartService.getAllCarts().stream()
+                .map(CartDTO::new)
+                .toList();
+    }
+
+    @PutMapping("/{add}")
+    public void addProduct( @RequestParam("productId") Long productId,
+                               @RequestParam("cartId") Long cartId){
+        cartService.addProduct(cartId, productId);
+    }
+
+    @PutMapping("/{delete}")
+    public void deleteProduct( @RequestParam("productId") Long productId,
+                            @RequestParam("cartId") Long cartId){
+        cartService.deleteProduct(cartId, productId);
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/Controllers/CountProdController.java

@@ -0,0 +1,69 @@
+package com.example.lab.DataBase.Controllers;
+
+import com.example.lab.DataBase.DTOs.CountProductDTO;
+import com.example.lab.DataBase.Models.Cart;
+import com.example.lab.DataBase.Models.Product;
+import com.example.lab.DataBase.Services.CartService;
+import com.example.lab.DataBase.Services.CountProductService;
+import com.example.lab.DataBase.Services.ProductService;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/countProduct")
+public class CountProdController {
+    private final CountProductService countProductService;
+    private final CartService cartService;
+    private final ProductService productService;
+
+    public CountProdController(CountProductService countProductService, CartService cartService, ProductService productService){
+        this.countProductService = countProductService;
+        this.cartService = cartService;
+        this.productService = productService;
+    }
+
+    @GetMapping("/{id}")
+    public List<CountProductDTO> getProductsForCart(@PathVariable Long id){
+        return countProductService.getProductsForCart(id).stream().map(CountProductDTO::new).toList();
+    }
+
+    @PostMapping
+    public CountProductDTO deliverProduct(@RequestParam("cartId") Long cartId,
+                                          @RequestParam("productId") Long productId){
+        if (countProductService.getCountProduct(productId, cartId) != null){
+            return new CountProductDTO(countProductService.incrementProduct(productId, cartId));
+        }
+        else {
+            Product product = productService.getProduct(productId);
+            Cart cart = cartService.getCart(cartId);
+            return new CountProductDTO(countProductService.addCountProduct(product, cart));
+        }
+    }
+
+    @PutMapping("/{id}")
+    public CountProductDTO incrementProduct(@PathVariable Long id){
+        var countProd = countProductService.getCountProductById(id);
+        if (countProd != null){
+            return new CountProductDTO(countProductService.incrementProductById(id));
+        }
+        else {
+            return null;
+        }
+    }
+
+    @DeleteMapping
+    public CountProductDTO reduceProduct(@RequestParam("id") Long id){
+        var countProd = countProductService.getCountProductById(id);
+        if (countProd != null){
+            if (countProd.getAmount() == 1){
+                countProductService.deleteCountProductById(id);
+                return null;
+            }
+            else return new CountProductDTO(countProductService.decrementProductById(id));
+        }
+        else{
+            return null;
+        }
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/Controllers/CustomerController.java

@@ -0,0 +1,56 @@
+package com.example.lab.DataBase.Controllers;
+
+import com.example.lab.DataBase.Models.Customer;
+import com.example.lab.DataBase.DTOs.CustomerDTO;
+import com.example.lab.DataBase.Services.CustomerService;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/customer")
+public class CustomerController {
+    private final CustomerService customerService;
+
+    public CustomerController(CustomerService customerService){
+        this.customerService = customerService;
+    }
+
+    @GetMapping("/{id}")
+    public CustomerDTO getCustomer(@PathVariable Long id){
+        return new CustomerDTO(customerService.getCustomer(id));
+    }
+
+    @GetMapping
+    public List<CustomerDTO> getCustomers(){
+        return  customerService.getAllCustomers().stream()
+                .map(CustomerDTO::new)
+                .toList();
+    }
+
+    @PostMapping
+    public CustomerDTO createCustomer(@RequestParam("customerLastName") String customerLastName,
+                                      @RequestParam("customerFirstName") String customerFirstName,
+                                      @RequestParam("customerAddress") String customerAddress){
+        final Customer customer = customerService.addCustomer(customerLastName, customerFirstName, customerAddress);
+        return new CustomerDTO(customer);
+    }
+
+    @PutMapping("/{id}")
+    public CustomerDTO updateCustomer(@RequestParam("customerLastName") String customerLastName,
+                                      @RequestParam("customerFirstName") String customerFirstName,
+                                      @RequestParam("customerAddress") String customerAddress,
+                                      @PathVariable Long id){
+        return new CustomerDTO(customerService.updateCustomer(id, customerLastName, customerFirstName, customerAddress));
+    }
+
+    @DeleteMapping("/{id}")
+    public CustomerDTO deleteCustomer(@PathVariable Long id){
+        return new CustomerDTO(customerService.deleteCustomer(id));
+    }
+
+    @DeleteMapping()
+    public void deleteAllCustomers(){
+        customerService.deleteAllCustomers();
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/Controllers/ProductCategoryController.java

@@ -0,0 +1,57 @@
+package com.example.lab.DataBase.Controllers;
+
+import com.example.lab.DataBase.DTOs.ProductCategoryDTO;
+import com.example.lab.DataBase.Models.ProductCategory;
+import com.example.lab.DataBase.Services.ProductCategoryService;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+
+@RestController
+@RequestMapping("/productCategory")
+public class ProductCategoryController {
+
+    private final ProductCategoryService productCategoryService;
+
+    public ProductCategoryController(ProductCategoryService productCategoryService){
+        this.productCategoryService = productCategoryService;
+    }
+
+    @GetMapping("/{id}")
+    public ProductCategoryDTO getProductCategory(@PathVariable Long id){
+        return new ProductCategoryDTO(productCategoryService.getProductCategory(id));
+    }
+
+    @GetMapping
+    public List<ProductCategoryDTO> getProductCategories(){
+        return  productCategoryService.getAllProductCategorys().stream()
+                .map(ProductCategoryDTO::new)
+                .toList();
+    }
+
+    @PostMapping
+    public ProductCategoryDTO createProductCategory(@RequestParam("name") String name){
+        final ProductCategory productCategory = productCategoryService.
+                addProductCategory(name);
+        return new ProductCategoryDTO(productCategory);
+    }
+
+    @PutMapping("/{id}")
+    public ProductCategoryDTO updateProduct(@RequestParam("name") String name,
+                                    @PathVariable Long id){
+        return new ProductCategoryDTO(productCategoryService.updateProductCategory
+                (id, name));
+    }
+
+    @DeleteMapping("/{id}")
+    public ProductCategoryDTO deleteProductCategory(@PathVariable Long id){
+        return new ProductCategoryDTO(productCategoryService.deleteProductCategory(id));
+    }
+
+    @DeleteMapping()
+    public void deleteAllProductCategories(){
+        productCategoryService.deleteAllProductCategories();
+    }
+
+}

backend/lab/src/main/java/com/example/lab/DataBase/Controllers/ProductController.java

@@ -0,0 +1,62 @@
+package com.example.lab.DataBase.Controllers;
+
+import com.example.lab.DataBase.Models.Product;
+import com.example.lab.DataBase.DTOs.ProductDTO;
+import com.example.lab.DataBase.Models.ProductCategory;
+import com.example.lab.DataBase.Services.ProductCategoryService;
+import com.example.lab.DataBase.Services.ProductService;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+
+@RestController
+@RequestMapping("/product")
+public class ProductController {
+    private final ProductService productService;
+    private final ProductCategoryService productCategoryService;
+
+    public ProductController(ProductService productService, ProductCategoryService productCategoryService){
+        this.productService = productService;
+        this.productCategoryService = productCategoryService;
+    }
+
+    @GetMapping("/{id}")
+    public ProductDTO getProduct(@PathVariable Long id){
+        return new ProductDTO(productService.getProduct(id));
+    }
+
+    @GetMapping
+    public List<ProductDTO> getProducts(){
+        return  productService.getAllProducts().stream()
+                .map(ProductDTO::new)
+                .toList();
+    }
+
+    @PostMapping
+    public ProductDTO createProduct(@RequestParam("productName") String name,
+                                    @RequestParam("price") String price,
+                                    @RequestParam("productCategoryId") long productCategoryId){
+        final Product product = productService.addProduct(name,  Float.parseFloat(price) ,
+                productCategoryService.getProductCategory(productCategoryId));
+        return new ProductDTO(product);
+    }
+
+    @PutMapping("/{id}")
+    public ProductDTO updateProduct(@RequestParam("productName") String name,
+                                    @RequestParam("price") float price,
+                                    @PathVariable Long id){
+        return new ProductDTO(productService.updateProduct(id, name, price));
+    }
+
+    @DeleteMapping("/{id}")
+    public ProductDTO deleteProduct(@PathVariable Long id){
+        return new ProductDTO(productService.deleteProduct(id));
+    }
+
+    @DeleteMapping()
+    public void deleteAllProducts(){
+        productService.deleteAllProducts();
+    }
+
+}

backend/lab/src/main/java/com/example/lab/DataBase/DTOs/CartDTO.java

@@ -0,0 +1,29 @@
+package com.example.lab.DataBase.DTOs;
+import java.util.List;
+import com.example.lab.DataBase.Models.Cart;
+
+public class CartDTO {
+    public Long id;
+    public String customer;
+
+    public CartDTO(Cart cart){
+        this.id = cart.getId();
+        this.customer = cart.getCustomer().getLastName() + " " + cart.getCustomer().getFirstName();
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id){
+        this.id = id;
+    }
+
+    public String getCustomer() {
+        return customer;
+    }
+
+    public void setCustomer(String customer) {
+        this.customer = customer;
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/DTOs/CountProductDTO.java

@@ -0,0 +1,34 @@
+package com.example.lab.DataBase.DTOs;
+import com.example.lab.DataBase.Models.CountProduct;
+
+import jakarta.persistence.Column;
+
+public class CountProductDTO {
+    private Long id;
+    public String name;
+    public Integer amount;
+    public float price;
+
+    public CountProductDTO(CountProduct countProduct){
+        this.id = countProduct.getId();
+        this.name = countProduct.getProduct().getName();
+        this.amount = countProduct.getAmount();
+        this.price = this.amount * countProduct.getProduct().getPrice();
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id){
+        this.id = id;
+    }
+
+    public Integer getAmount() {
+        return amount;
+    }
+
+    public void setAmount(Integer amount){
+        this.amount = amount;
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/DTOs/CustomerDTO.java

@@ -0,0 +1,49 @@
+package com.example.lab.DataBase.DTOs;
+import com.example.lab.DataBase.Models.Customer;
+import jakarta.persistence.Column;
+
+public class CustomerDTO {
+    public Long id;
+    public String firstName;
+    public String lastName;
+    public String customerAddress;
+
+    public CustomerDTO(Customer customer){
+        this.id = customer.getId();
+        this.lastName = customer.getLastName();
+        this.firstName = customer.getFirstName();
+        this.customerAddress = customer.getCustomerAddress();
+    }
+
+    public Long getId(){
+        return id;
+    }
+
+    public String getFirstName(){
+        return firstName;
+    }
+
+    public String getLastName(){
+        return lastName;
+    }
+
+    public String getCustomerAddress(){
+        return customerAddress;
+    }
+
+    public void setId(Long id){
+        this.id = id;
+    }
+
+    public void setFirstName(String firstName){
+        this.firstName = firstName;
+    }
+
+    public void setLastName(String lastName){
+        this.lastName = lastName;
+    }
+
+    public void setCustomerAddress(String customerAddress){
+        this.customerAddress = customerAddress;
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/DTOs/ProductCategoryDTO.java

@@ -0,0 +1,29 @@
+package com.example.lab.DataBase.DTOs;
+import com.example.lab.DataBase.Models.Product;
+import com.example.lab.DataBase.Models.ProductCategory;
+
+public class ProductCategoryDTO {
+    public Long id;
+    public String name;
+
+    public ProductCategoryDTO(ProductCategory productCategory){
+        this.id = productCategory.getId();
+        this.name = productCategory.getName();
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id){
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name){
+        this.name = name;
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/DTOs/ProductDTO.java

@@ -0,0 +1,42 @@
+package com.example.lab.DataBase.DTOs;
+import com.example.lab.DataBase.Models.Product;
+
+public class ProductDTO {
+    public Long id;
+    public String name;
+    public float price;
+    public Long productCategoryId;
+    public String categoryName;
+
+    public ProductDTO(Product product){
+        this.id = product.getId();
+        this.name = product.getName();
+        this.price = product.getPrice();
+        this.productCategoryId = product.getProductCategory().getId();
+        this.categoryName = product.getProductCategory().getName();
+    }
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id){
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name){
+        this.name = name;
+    }
+
+    public float getPrice() {
+        return price;
+    }
+
+    public void setPrice(float price){
+        this.price = price;
+    }
+
+}

backend/lab/src/main/java/com/example/lab/DataBase/Exceptions/CartNotFoundException.java

@@ -0,0 +1,7 @@
+package com.example.lab.DataBase.Exceptions;
+
+public class CartNotFoundException extends RuntimeException{
+    public CartNotFoundException(Long id){
+        super(String.format("Cart with id: %s hasn't been found", id));
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/Exceptions/CountProductNotFoundException.java

@@ -0,0 +1,7 @@
+package com.example.lab.DataBase.Exceptions;
+
+public class CountProductNotFoundException extends RuntimeException{
+    public CountProductNotFoundException(int count){
+        super(String.format("Product with count: %s hasn't been found", count));
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/Exceptions/CustomerNotFoundException.java

@@ -0,0 +1,7 @@
+package com.example.lab.DataBase.Exceptions;
+
+public class CustomerNotFoundException extends RuntimeException{
+    public CustomerNotFoundException(Long id){
+        super(String.format("Customer with id: %s hasn't been found", id));
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/Exceptions/ProductCategoryNotFoundException.java

@@ -0,0 +1,7 @@
+package com.example.lab.DataBase.Exceptions;
+
+public class ProductCategoryNotFoundException extends RuntimeException{
+    public ProductCategoryNotFoundException(Long id){
+        super(String.format("Product category with id: %s hasn't been found", id));
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/Exceptions/ProductNotFoundException.java

@@ -0,0 +1,7 @@
+package com.example.lab.DataBase.Exceptions;
+
+public class ProductNotFoundException extends RuntimeException{
+    public ProductNotFoundException(Long id){
+        super(String.format("Product with id: %s hasn't been found", id));
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/Models/Cart.java

@@ -0,0 +1,75 @@
+package com.example.lab.DataBase.Models;
+
+import jakarta.persistence.*;
+
+import java.util.*;
+
+@Entity
+public class Cart {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+
+    @OneToMany
+    private List<CountProduct> countProducts;
+
+    @OneToOne
+    private Customer customer;
+
+    public Cart(){}
+
+    public Cart(Customer customer) {
+        this.countProducts = new ArrayList<>();
+        this.customer = customer;
+    }
+
+    @PreRemove
+    public void deleteThis(){
+        //deleteAllProducts();
+        this.getCustomer().setCart(null);
+    }
+
+
+    public void addCountProduct(CountProduct countProduct){
+        countProducts.add(countProduct);
+        if (countProduct.getCart() != this) {
+            countProduct.setCart(this);
+        }
+    }
+
+    public void deleteCountProduct(CountProduct countProduct){
+        countProducts.remove(countProduct);
+        if (countProduct.getCart() == this) {
+            countProduct.setCart(null);
+        }
+    }
+
+    public Customer getCustomer() {
+        return customer;
+    }
+
+    public void setCustomer(Customer customer) {
+        this.customer = customer;
+        if(customer.getCart()!=this){
+            customer.setCart(this);
+        }
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) return true;
+        if (obj == null || getClass() != obj.getClass()) return false;
+        Cart cart = (Cart) obj;
+        return Objects.equals(id, cart.id);
+    }
+
+    @Override
+    public int hashCode(){
+        return Objects.hashCode(id);
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/Models/CountProduct.java

@@ -0,0 +1,96 @@
+package com.example.lab.DataBase.Models;
+import jakarta.persistence.*;
+import jakarta.validation.constraints.NotBlank;
+
+import java.util.*;
+
+@Entity
+public class CountProduct {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+
+    @Column
+    private Integer amount;
+
+    @ManyToOne(fetch = FetchType.EAGER)
+    @JoinColumn(name="cart_fk")
+    private Cart cart;
+
+    @ManyToOne(fetch = FetchType.EAGER)
+    @JoinColumn(name="product_fk")
+    private Product product;
+
+    public CountProduct(){}
+
+    public CountProduct(Cart cart, Product product) {
+        this.cart = cart;
+        this.product = product;
+        this.amount = 1;
+        this.cart.addCountProduct(this);
+        this.product.addCountProduct(this);
+    }
+
+    public void setProduct(Product product) {
+        this.product = product;
+        if (product != null && !product.getCountProducts().contains(this)){
+            product.addCountProduct(this);
+        }
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id){
+        this.id = id;
+    }
+
+    public Cart getCart() {
+        return cart;
+    }
+
+    public void setCart(Cart cart) {
+        this.cart = cart;
+    }
+
+    public Product getProduct() {
+        return product;
+    }
+
+    public int getAmount() {
+        return amount;
+    }
+
+    public void setAmount(int amount) {
+        this.amount = amount;
+    }
+
+    public void incrementAmount(){
+        this.amount++;
+    }
+
+    public void decrementAmount(){
+        this.amount--;
+    }
+
+    @PreRemove
+    public void deleteThis(){
+        if(this.product !=null) this.product.deleteCountProduct(this);
+        if(this.cart !=null) this.cart.deleteCountProduct(this);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) return true;
+        if (obj == null || getClass() != obj.getClass()) return false;
+        CountProduct countProducts = (CountProduct) obj;
+        return Objects.equals(id, countProducts.id);
+    }
+
+    @Override
+    public int hashCode(){
+        return Objects.hashCode(id);
+    }
+}
+

backend/lab/src/main/java/com/example/lab/DataBase/Models/Customer.java

@@ -0,0 +1,80 @@
+package com.example.lab.DataBase.Models;
+
+import jakarta.persistence.*;
+import jakarta.validation.constraints.NotBlank;
+
+import java.util.Objects;
+
+@Entity
+public class Customer {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+    @Column
+    @NotBlank(message = "Customer's first name can't be empty")
+    private String firstName;
+    @Column
+    @NotBlank(message = "Customer's last name can't be empty")
+    private String lastName;
+    @Column
+    @NotBlank(message = "Customer's address can't be empty")
+    private String customerAddress;
+
+    @OneToOne(fetch = FetchType.EAGER, mappedBy = "customer", cascade = CascadeType.ALL)
+    private Cart cart;
+
+    public Customer(){}
+
+    public Customer(String lastName, String firstName, String customerAddress) {
+        this.lastName = lastName;
+        this.firstName = firstName;
+        this.customerAddress = customerAddress;
+    }
+
+    public Cart getCart() {
+        return cart;
+    }
+
+    public void setCart(Cart cart) {
+        this.cart = cart;
+        if(cart != null && cart.getCustomer()!=this){
+            cart.setCustomer(this);
+        }
+    }
+
+    public Long getId() {
+        return id;
+    }
+    public String getFirstName() {
+        return firstName;
+    }
+    public String getLastName() {
+        return lastName;
+    }
+
+    public String getCustomerAddress() {
+        return customerAddress;
+    }
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+    public void setCustomerAddress(String customerAddress) {
+        this.customerAddress = customerAddress;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) return true;
+        if (obj == null || getClass() != obj.getClass()) return false;
+        Customer customer = (Customer) obj;
+        return Objects.equals(id, customer.id);
+    }
+
+    @Override
+    public int hashCode(){
+        return Objects.hashCode(id);
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/Models/Product.java

@@ -0,0 +1,110 @@
+package com.example.lab.DataBase.Models;
+
+import jakarta.persistence.*;
+import jakarta.validation.constraints.NotBlank;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+@Entity
+public class Product {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+
+    @Column
+    @NotBlank(message = "Product's name can't be empty")
+    private String name;
+    @Column
+    private float price;
+
+    @OneToMany
+    private List<CountProduct> countProducts;
+
+    @ManyToOne(fetch = FetchType.EAGER)
+    @JoinColumn(name = "productCategory_fk")
+    private ProductCategory productCategory;
+
+    public Product(){}
+
+    public Product(String name, float price, ProductCategory productCategory){
+        this.name = name;
+        this.price = price;
+        this.productCategory = productCategory;
+        this.countProducts = new ArrayList<>();
+    }
+
+    public ProductCategory getProductCategory() {
+        return productCategory;
+    }
+
+    public void setProductCategory(ProductCategory productCategory) {
+        this.productCategory = productCategory;
+        if(productCategory == null){
+            return;
+        }
+        if (!productCategory.getProducts().contains(this)){
+            productCategory.AddProduct(this);
+        }
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setPrice(float price) {
+        this.price = price;
+    }
+
+    public float getPrice() {
+        return price;
+    }
+
+    @PreRemove
+    public void deleteThis(){
+        //deleteAllCarts();
+        this.productCategory.getProducts().remove(this);
+    }
+
+
+    public List<CountProduct> getCountProducts(){
+        return countProducts;
+    }
+
+    public void addCountProduct(CountProduct countProduct){
+        countProducts.add(countProduct);
+        if (countProduct.getProduct() != this) {
+            countProduct.setProduct(this);
+        }
+    }
+
+    public void deleteCountProduct(CountProduct countProduct){
+        countProducts.remove(countProduct);
+        if (countProduct.getProduct() == this) {
+            countProduct.setProduct(null);
+        }
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) return true;
+        if (obj == null || getClass() != obj.getClass()) return false;
+        Product product = (Product) obj;
+        return Objects.equals(id, product.id);
+    }
+
+    @Override
+    public int hashCode(){
+        return Objects.hashCode(id);
+    }
+
+}

backend/lab/src/main/java/com/example/lab/DataBase/Models/ProductCategory.java

@@ -0,0 +1,68 @@
+package com.example.lab.DataBase.Models;
+
+import jakarta.persistence.*;
+import jakarta.validation.constraints.NotBlank;
+
+import java.util.*;
+
+@Entity
+public class ProductCategory {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+    @Column
+    @NotBlank(message = "Product category name can't be empty")
+    private String name;
+    @OneToMany(fetch = FetchType.EAGER, mappedBy = "productCategory", cascade = CascadeType.ALL)
+    private List<Product> products;
+
+    public void AddProduct(Product product){
+        this.products.add(product);
+        if (product.getProductCategory() != this){
+            product.setProductCategory(this);
+        }
+    }
+
+    public void deleteProduct(Product product) {
+        products.remove(product);
+        if (product.getProductCategory() == this) {
+            product.setProductCategory(null);
+        }
+    }
+    public ProductCategory(){}
+
+    public ProductCategory(String name){
+        this.name = name;
+        this.products = new ArrayList<Product>();
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public List<Product> getProducts() {
+        return products;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) return true;
+        if (obj == null || getClass() != obj.getClass()) return false;
+        ProductCategory customer = (ProductCategory) obj;
+        return Objects.equals(id, customer.id);
+    }
+
+    @Override
+    public int hashCode(){
+        return Objects.hashCode(id);
+    }
+}
+

backend/lab/src/main/java/com/example/lab/DataBase/Repositories/CartRepository.java

@@ -0,0 +1,8 @@
+package com.example.lab.DataBase.Repositories;
+
+import com.example.lab.DataBase.Models.Cart;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface CartRepository extends JpaRepository<Cart, Long> {
+
+}

backend/lab/src/main/java/com/example/lab/DataBase/Repositories/CountProductRepository.java

@@ -0,0 +1,12 @@
+package com.example.lab.DataBase.Repositories;
+
+import com.example.lab.DataBase.Models.CountProduct;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+
+import java.util.Collection;
+
+public interface CountProductRepository extends JpaRepository<CountProduct, Long> {
+    @Query("SELECT p FROM CountProduct p WHERE p.cart.id = ?1")
+    Collection<CountProduct> findAllProductsByCartId(Long cartId);
+}

backend/lab/src/main/java/com/example/lab/DataBase/Repositories/CustomerRepository.java

@@ -0,0 +1,7 @@
+package com.example.lab.DataBase.Repositories;
+
+import com.example.lab.DataBase.Models.Customer;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface CustomerRepository extends JpaRepository<Customer, Long> {
+}

backend/lab/src/main/java/com/example/lab/DataBase/Repositories/ProductCategoryRepository.java

@@ -0,0 +1,7 @@
+package com.example.lab.DataBase.Repositories;
+
+import com.example.lab.DataBase.Models.ProductCategory;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface ProductCategoryRepository extends JpaRepository<ProductCategory, Long> {
+}

backend/lab/src/main/java/com/example/lab/DataBase/Repositories/ProductRepository.java

@@ -0,0 +1,7 @@
+package com.example.lab.DataBase.Repositories;
+
+import com.example.lab.DataBase.Models.Product;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface ProductRepository extends JpaRepository<Product, Long> {
+}

backend/lab/src/main/java/com/example/lab/DataBase/Services/CartService.java

@@ -0,0 +1,93 @@
+package com.example.lab.DataBase.Services;
+
+import com.example.lab.DataBase.Exceptions.CustomerNotFoundException;
+import com.example.lab.DataBase.Models.Customer;
+import com.example.lab.DataBase.Models.Product;
+import com.example.lab.DataBase.Repositories.CustomerRepository;
+import jakarta.persistence.*;
+import jakarta.transaction.Transactional;
+import org.springframework.stereotype.Service;
+import com.example.lab.DataBase.Models.Cart;
+import com.example.lab.DataBase.Repositories.CartRepository;
+import com.example.lab.DataBase.Exceptions.CartNotFoundException;
+import com.example.lab.DataBase.util.Validation.ValidatorUtil;
+import com.example.lab.DataBase.util.Validation.ValidationException;
+import java.util.List;
+
+@Service
+public class CartService {
+
+    private final ProductService productService;
+    private final CountProductService countProductService;
+    private final CartRepository cartRepository;
+    private final ValidatorUtil validatorUtil;
+
+    public CartService(ProductService productService, CountProductService countProductService,
+                       CartRepository cartRepository, ValidatorUtil validatorUtil){
+        this.productService = productService;
+        this.countProductService = countProductService;
+        this.cartRepository = cartRepository;
+        this.validatorUtil = validatorUtil;
+    }
+
+    @Transactional
+    public Cart addCart(Customer customer){
+        Cart cart = new Cart(customer);
+        validatorUtil.validate(cart);
+        return cartRepository.save(cart);
+    }
+
+    @Transactional()
+    public Cart getCart(Long id){
+        return cartRepository.findById(id).orElseThrow(() -> new CartNotFoundException(id));
+    }
+
+    @Transactional
+    public List<Cart> getAllCarts(){
+        return cartRepository.findAll();
+    }
+
+    @Transactional
+    public Cart deleteCart(Long id){
+        Cart cart = getCart(id);
+        cartRepository.delete(cart);
+        return cart;
+    }
+    @Transactional
+    public void deleteAllCarts(){
+        cartRepository.deleteAll();
+    }
+
+    @Transactional
+    public Product addProduct(Long cartId, Long productId){
+        Product product = productService.getProduct(productId);
+        Cart cart = getCart(cartId);
+        var countProduct = countProductService.getCountProduct(productId, cartId);
+        if(countProduct == null) countProduct = countProductService.addCountProduct(product, cart);
+        countProduct.incrementAmount();
+        cartRepository.save(cart);
+        return product;
+    }
+
+    @Transactional
+    public Product deleteProduct(Long cartId, Long productId){
+        Product product = productService.getProduct(productId);
+        Cart cart = getCart(cartId);
+        var countProduct = countProductService.getCountProduct(productId, cartId);
+        if(countProduct == null) return null;
+        countProductService.deleteCountProduct(productId,cartId);
+        cartRepository.save(cart);
+        return product;
+    }
+
+    @Transactional
+    public Product reduceProduct(Long cartId, Long productId){
+        Product product = productService.getProduct(productId);
+        Cart cart = getCart(cartId);
+        var countProduct = countProductService.getCountProduct(productId, cartId);
+        if(countProduct == null) return null;
+        var resProd = countProductService.decrementProduct(productId, cartId);
+        cartRepository.save(cart);
+        return product;
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/Services/CountProductService.java

@@ -0,0 +1,99 @@
+package com.example.lab.DataBase.Services;
+
+import com.example.lab.DataBase.Exceptions.CustomerNotFoundException;
+import com.example.lab.DataBase.Models.*;
+import com.example.lab.DataBase.Repositories.CountProductRepository;
+import com.example.lab.DataBase.util.Validation.ValidatorUtil;
+import jakarta.transaction.Transactional;
+import org.springframework.stereotype.Service;
+import com.example.lab.DataBase.Models.Product;
+
+import java.util.List;
+
+@Service
+public class CountProductService {
+    private final CountProductRepository countProductRepository;
+    private final ValidatorUtil validatorUtil;
+
+    public CountProductService(CountProductRepository countProductRepository,
+                           ValidatorUtil validatorUtil){
+        this.countProductRepository= countProductRepository;
+        this.validatorUtil = validatorUtil;
+    }
+
+    @Transactional
+    public CountProduct addCountProduct(Product product,
+                                         Cart cart){
+        CountProduct countProduct = new CountProduct(cart, product);
+        validatorUtil.validate(countProduct);
+        return countProductRepository.save(countProduct);
+    }
+
+    @Transactional
+    public CountProduct getCountProduct(long productId, long cartId){
+        var count = getAllCountProducts();
+        var countProduct = count.stream().filter(x -> x.getProduct().getId() == productId && x.getCart().getId() == cartId ).findFirst();
+        if(countProduct.isEmpty()) return null;
+        else return countProduct.get();
+    }
+
+    @Transactional
+    public CountProduct getCountProductById(long id){
+        return countProductRepository.findById(id).orElseThrow(() -> new CustomerNotFoundException(id));
+    }
+
+    @Transactional
+    public CountProduct incrementProduct (long productId, long cartId){
+        CountProduct countProduct = getCountProduct(productId, cartId);
+        countProduct.incrementAmount();
+        return countProductRepository.save(countProduct);
+    }
+
+    @Transactional
+    public CountProduct incrementProductById(long id){
+        CountProduct countProduct = getCountProductById(id);
+        countProduct.incrementAmount();
+        return  countProductRepository.save(countProduct);
+    }
+
+    @Transactional
+    public CountProduct decrementProduct (long productId, long cartId){
+        CountProduct countProduct = getCountProduct(productId, cartId);
+        countProduct.decrementAmount();
+        return countProductRepository.save(countProduct);
+    }
+
+    @Transactional
+    public CountProduct decrementProductById (Long id){
+        CountProduct countProduct = getCountProductById(id);
+        countProduct.decrementAmount();
+        return countProductRepository.save(countProduct);
+    }
+
+    @Transactional
+    public CountProduct deleteCountProduct(long productId, long cartId){
+        CountProduct countProduct = getCountProduct(productId,cartId);
+        countProductRepository.delete(countProduct);
+        return countProduct;
+    }
+
+    @Transactional
+    public CountProduct deleteCountProductById(long id){
+        CountProduct countProduct = getCountProductById(id);
+        countProductRepository.delete(countProduct);
+        return countProduct;
+    }
+
+    @Transactional
+    public void deleteAll(){
+        countProductRepository.deleteAll();
+    }
+
+    @Transactional
+    public List<CountProduct> getAllCountProducts(){
+        return countProductRepository.findAll();
+    }
+
+    @Transactional
+    public List<CountProduct> getProductsForCart(Long cartId) { return  countProductRepository.findAllProductsByCartId(cartId).stream().toList();}
+}

backend/lab/src/main/java/com/example/lab/DataBase/Services/CustomerService.java

@@ -0,0 +1,65 @@
+package com.example.lab.DataBase.Services;
+import com.example.lab.DataBase.Exceptions.CustomerNotFoundException;
+import jakarta.transaction.Transactional;
+import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
+import com.example.lab.DataBase.Models.Customer;
+import com.example.lab.DataBase.Repositories.CustomerRepository;
+import com.example.lab.DataBase.Exceptions.CustomerNotFoundException;
+import com.example.lab.DataBase.util.Validation.ValidatorUtil;
+import com.example.lab.DataBase.util.Validation.ValidationException;
+import java.util.List;
+
+@Service
+public class CustomerService {
+    private final CustomerRepository customerRepository;
+    private final  CartService cartService;
+    private final ValidatorUtil validatorUtil;
+
+    public CustomerService(CustomerRepository customerRepository, CartService cartService,
+                           ValidatorUtil validatorUtil){
+        this.customerRepository = customerRepository;
+        this.cartService = cartService;
+        this.validatorUtil = validatorUtil;
+    }
+
+    @Transactional
+    public Customer addCustomer(String customerFirstName, String customerLastName, String customerAddress){
+        Customer customer = new Customer(customerLastName, customerFirstName, customerAddress);
+        validatorUtil.validate(customer);
+        var cus = customerRepository.save(customer);
+        cartService.addCart(cus);
+        return cus;
+    }
+
+    @Transactional()
+    public Customer getCustomer(Long id){
+        return customerRepository.findById(id).orElseThrow(() -> new CustomerNotFoundException(id));
+    }
+
+    @Transactional
+    public List<Customer> getAllCustomers(){
+        return customerRepository.findAll();
+    }
+
+    @Transactional
+    public Customer updateCustomer(Long id, String customerLastName, String customerFirstName, String customerAddress){
+        final Customer customer = getCustomer(id);
+        customer.setLastName(customerLastName);
+        customer.setFirstName(customerFirstName);
+        customer.setCustomerAddress(customerAddress);
+        validatorUtil.validate(customer);
+        return customerRepository.save(customer);
+    }
+
+    @Transactional
+    public Customer deleteCustomer(Long id){
+        Customer customer = getCustomer(id);
+        customerRepository.delete(customer);
+        return customer;
+    }
+    @Transactional
+    public void deleteAllCustomers(){
+        customerRepository.deleteAll();
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/Services/ProductCategoryService.java

@@ -0,0 +1,58 @@
+package com.example.lab.DataBase.Services;
+
+import com.example.lab.DataBase.Exceptions.ProductCategoryNotFoundException;
+import com.example.lab.DataBase.Repositories.ProductCategoryRepository;
+import com.example.lab.DataBase.util.Validation.ValidatorUtil;
+import jakarta.transaction.Transactional;
+import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
+import com.example.lab.DataBase.Models.ProductCategory;
+import java.util.List;
+
+@Service
+public class ProductCategoryService {
+    private final ProductCategoryRepository productCategoryRepository;
+    private final ValidatorUtil validatorUtil;
+
+    public ProductCategoryService(ProductCategoryRepository productCategoryRepository,
+                       ValidatorUtil validatorUtil){
+        this.productCategoryRepository = productCategoryRepository;
+        this.validatorUtil = validatorUtil;
+    }
+
+    @Transactional
+    public ProductCategory addProductCategory(String name){
+        ProductCategory productCategory = new ProductCategory(name);
+        validatorUtil.validate(productCategory);
+        return productCategoryRepository.save(productCategory);
+    }
+
+    @Transactional()
+    public ProductCategory getProductCategory(Long id){
+        return productCategoryRepository.findById(id).orElseThrow(() -> new ProductCategoryNotFoundException(id));
+    }
+
+    @Transactional
+    public List<ProductCategory> getAllProductCategorys(){
+        return productCategoryRepository.findAll();
+    }
+
+    @Transactional
+    public ProductCategory updateProductCategory(Long id, String productCategoryName){
+        final ProductCategory productCategory = getProductCategory(id);
+        productCategory.setName(productCategoryName);
+        validatorUtil.validate(productCategory);
+        return productCategoryRepository.save(productCategory);
+    }
+
+    @Transactional
+    public ProductCategory deleteProductCategory(Long id){
+        final ProductCategory productCategory = getProductCategory(id);
+        productCategoryRepository.delete(productCategory);
+        return productCategory;
+    }
+    @Transactional
+    public void deleteAllProductCategories(){
+        productCategoryRepository.deleteAll();
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/Services/ProductService.java

@@ -0,0 +1,62 @@
+package com.example.lab.DataBase.Services;
+
+import com.example.lab.DataBase.Exceptions.ProductNotFoundException;
+import com.example.lab.DataBase.Models.Customer;
+import com.example.lab.DataBase.Models.ProductCategory;
+import com.example.lab.DataBase.Repositories.ProductRepository;
+import com.example.lab.DataBase.util.Validation.ValidatorUtil;
+import jakarta.transaction.Transactional;
+import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
+import com.example.lab.DataBase.Models.Product;
+import java.util.List;
+
+@Service
+public class ProductService {
+
+    private final ProductRepository productRepository;
+    private final ValidatorUtil validatorUtil;
+
+    public ProductService(ProductRepository productRepository,
+                                  ValidatorUtil validatorUtil){
+        this.productRepository = productRepository;
+        this.validatorUtil = validatorUtil;
+    }
+
+    @Transactional
+    public Product addProduct(String name, float price, ProductCategory productCategory){
+        Product product = new Product(name, price, productCategory);
+        validatorUtil.validate(product);
+        return productRepository.save(product);
+    }
+
+    @Transactional()
+    public Product getProduct(Long id){
+        return productRepository.findById(id).orElseThrow(() -> new ProductNotFoundException(id));
+    }
+
+    @Transactional
+    public List<Product> getAllProducts(){
+        return productRepository.findAll();
+    }
+
+    @Transactional
+    public Product updateProduct(Long id, String name, float price){
+        final Product product = getProduct(id);
+        product.setName(name);
+        product.setPrice(price);
+        validatorUtil.validate(product);
+        return productRepository.save(product);
+    }
+
+    @Transactional
+    public Product deleteProduct(Long id){
+        final Product product = getProduct(id);
+        productRepository.delete(product);
+        return product;
+    }
+    @Transactional
+    public void deleteAllProducts(){
+        productRepository.deleteAll();
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/util/Error/AdviceController.java

@@ -0,0 +1,44 @@
+package com.example.lab.DataBase.util.Error;
+
+import java.util.stream.Collectors;
+import com.example.lab.DataBase.Exceptions.CountProductNotFoundException;
+import com.example.lab.DataBase.Exceptions.ProductCategoryNotFoundException;
+import com.example.lab.DataBase.Exceptions.CustomerNotFoundException;
+import com.example.lab.DataBase.Exceptions.ProductNotFoundException;
+import com.example.lab.DataBase.Exceptions.CartNotFoundException;
+import com.example.lab.DataBase.util.Validation.ValidationException;
+import org.springframework.context.support.DefaultMessageSourceResolvable;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.MethodArgumentNotValidException;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+
+
+@ControllerAdvice
+public class AdviceController {
+    @ExceptionHandler({
+            CustomerNotFoundException.class,
+            ProductCategoryNotFoundException.class,
+            ProductNotFoundException.class,
+            CountProductNotFoundException.class,
+            CartNotFoundException.class,
+    })
+    public ResponseEntity<Object> handleException(Throwable e){
+        return new ResponseEntity<>(e.getMessage(), HttpStatus.BAD_REQUEST);
+    }
+    @ExceptionHandler(MethodArgumentNotValidException.class)
+    public ResponseEntity<Object> handleBindException(MethodArgumentNotValidException e) {
+        final ValidationException validationException = new ValidationException(
+                e.getBindingResult().getAllErrors().stream()
+                        .map(DefaultMessageSourceResolvable::getDefaultMessage)
+                        .collect(Collectors.toSet()));
+        return handleException(validationException);
+    }
+
+    @ExceptionHandler(Exception.class)
+    public ResponseEntity<Object> handleUnknownException(Throwable e) {
+        e.printStackTrace();
+        return new ResponseEntity<>(e.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR);
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/util/Validation/ValidationException.java

@@ -0,0 +1,9 @@
+package com.example.lab.DataBase.util.Validation;
+
+import java.util.Set;
+
+public class ValidationException extends RuntimeException{
+    public ValidationException(Set<String> errors){
+        super(String.join("\n", errors));
+    }
+}

backend/lab/src/main/java/com/example/lab/DataBase/util/Validation/ValidatorUtil.java

@@ -0,0 +1,30 @@
+package com.example.lab.DataBase.util.Validation;
+
+import jakarta.validation.ConstraintViolation;
+import jakarta.validation.Validation;
+import jakarta.validation.Validator;
+import jakarta.validation.ValidatorFactory;
+import org.springframework.stereotype.Component;
+
+import java.util.Set;
+import java.util.stream.Collectors;
+
+@Component
+public class ValidatorUtil {
+    private final Validator validator;
+
+    public ValidatorUtil(){
+        try (ValidatorFactory factory = Validation.buildDefaultValidatorFactory()){
+            this.validator = factory.getValidator();
+        }
+    }
+
+    public <T> void validate(T object) {
+        final Set<ConstraintViolation<T>> errors = validator.validate(object);
+        if (!errors.isEmpty()) {
+            throw new ValidationException(errors.stream()
+                    .map(ConstraintViolation::getMessage)
+                    .collect(Collectors.toSet()));
+        }
+    }
+}

backend/lab/src/main/java/com/example/lab/LabApplication.java

@@ -1,77 +1,16 @@
 package com.example.lab;
 
+import com.example.lab.AllTypeCalc.controller.CalcController;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.ComponentScan;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 @SpringBootApplication
-@RestController
 public class LabApplication {
-
 	public static void main(String[] args) {
 		SpringApplication.run(LabApplication.class, args);
 	}
-
-	@GetMapping("/calculateSquare")
-	public String calculateSquare(@RequestParam int num,
-								  @RequestParam int step) {
-		double res;
-		res = Math.pow(num,step);
-		return ("Результат: " + Double.toString(res));
-	}
-
-	@GetMapping("/calculateFactorial")
-	public String calculateFactorial(@RequestParam int num) {
-		long res = 1;
-		for (int i = 1; i <= num; i++) {
-			res = res * i;
-		}
-		return ("Результат: " + Long.toString(res));
-	}
-
-	public int getFibonacciValue(int n) {
-		if (n <= 1) {
-			return 0;
-		} else if (n == 2) {
-			return 1;
-		} else  {
-			return getFibonacciValue(n - 1) + getFibonacciValue(n - 2);
-		}
-	}
-
-	@GetMapping("/calculateFibbN")
-	public String calculateFibbN(@RequestParam int num) {
-		int result = 0;
-		result = getFibonacciValue(num);
-		return ("Результат: " + Integer.toString(result));
-	}
-
-	public static boolean checkSimple(int i){
-		if (i<=1)
-			return false;
-		else if (i <=3)
-			return true;
-		else if (i%2==0 || i %3 ==0)
-			return false;
-		int n = 5;
-		while (n*n <=i){
-			if (i % n ==0 || i % (n+2) == 0)
-				return false;
-			n=n+6;
-		}
-		return true;
-	}
-
-	@GetMapping("/calculateLastSimple")
-	public String calculateSimple(@RequestParam int num){
-		int result = 0;
-		for (int i=2;i<=num;i++){
-			if(checkSimple(i))
-				result = i;
-		}
-		return ("Результат: " + Integer.toString(result));
-	}
-
 }

backend/lab/src/main/java/com/example/lab/WebConfiguration.java

@@ -0,0 +1,13 @@
+package com.example.lab;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+public class WebConfiguration implements WebMvcConfigurer {
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        registry.addMapping("/**").allowedMethods("*");
+    }
+}

backend/lab/src/main/resources/application.properties

@@ -1 +1,11 @@
-
+spring.main.banner-mode=off
+#server.port=8080
+spring.datasource.url=jdbc:h2:file:./data
+spring.datasource.driverClassName=org.h2.Driver
+spring.datasource.username=user
+spring.datasource.password=password
+spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
+spring.jpa.hibernate.ddl-auto=update
+spring.h2.console.enabled=true
+spring.h2.console.settings.trace=false
+spring.h2.console.settings.web-allow-others=false

backend/lab/src/test/java/com/example/lab/DBTests.java

@@ -0,0 +1,117 @@
+package com.example.lab;
+
+import com.example.lab.DataBase.Models.*;
+import com.example.lab.DataBase.Services.CartService;
+import com.example.lab.DataBase.Services.CustomerService;
+import com.example.lab.DataBase.Services.ProductCategoryService;
+import com.example.lab.DataBase.Services.ProductService;
+import com.example.lab.DataBase.Services.CountProductService;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+public class DBTests {
+    @Autowired
+    CartService cartService;
+    @Autowired
+    CustomerService customerService;
+    @Autowired
+    ProductCategoryService productCategoryService;
+    @Autowired
+    ProductService productService;
+    @Autowired
+    CountProductService countProductService;
+
+
+    @Test
+    void testProductCategory(){
+        cleanAll();
+
+        ProductCategory productCategory = productCategoryService.addProductCategory("exampleCategory");
+        Assertions.assertEquals("exampleCategory", productCategory.getName());
+        productCategoryService.updateProductCategory(productCategory.getId(), "updExample");
+        Assertions.assertEquals("updExample", productCategoryService
+                .getProductCategory(productCategory.getId()).getName());
+
+        Assertions.assertEquals("updExample", productCategoryService
+                .deleteProductCategory(productCategory.getId()).getName());
+
+        cleanAll();
+    }
+
+    @Test
+    void testProduct() {
+        cleanAll();
+
+        ProductCategory productCategory = productCategoryService.addProductCategory("exampleCategory");
+        Product product = productService.addProduct("example", (float) 50, productCategory);
+
+        Assertions.assertEquals("example", product.getName());
+        Assertions.assertEquals("exampleCategory", product.getProductCategory().getName());
+        Assertions.assertEquals("example", productService.getProduct(product.getId()).getName());
+        Assertions.assertEquals((float) 50, productService.getProduct(product.getId()).getPrice());
+        productService.updateProduct(product.getId(), "newExample", (float) 60);
+        Assertions.assertEquals("newExample", productService.getProduct(product.getId()).getName());
+        Assertions.assertEquals((float) 60, productService.getProduct(product.getId()).getPrice());
+
+        Assertions.assertEquals("newExample", productService.deleteProduct(product.getId()).getName());
+
+        cleanAll();
+    }
+
+    @Test
+    void testCustomer(){
+        cleanAll();
+        Customer customer = customerService.addCustomer("Ivan",
+                "Ivanov", "cityExample");
+                Assertions.assertEquals("Ivan", customerService
+                .getCustomer(customer.getId()).getFirstName());
+        Assertions.assertEquals("Ivanov", customerService
+                .getCustomer(customer.getId()).getLastName());
+        Assertions.assertEquals("cityExample", customerService
+                .getCustomer(customer.getId()).getCustomerAddress());
+        customerService.updateCustomer(customer.getId(),"Vaskin",
+                "Vasilii", "newAddress");
+        Assertions.assertEquals("Vasilii", customerService
+                .getCustomer(customer.getId()).getFirstName());
+        Assertions.assertEquals("Vaskin", customerService
+                .getCustomer(customer.getId()).getLastName());
+        Assertions.assertEquals("newAddress", customerService
+                .getCustomer(customer.getId()).getCustomerAddress());
+
+        Assertions.assertEquals("Vasilii", customerService
+                .deleteCustomer(customer.getId()).getFirstName());
+
+        cleanAll();
+    }
+
+    @Test
+    void testCart(){
+        cleanAll();
+
+        ProductCategory productCategory = productCategoryService
+                .addProductCategory("exampleCategory");
+        Product product = productService
+                .addProduct("exampleProduct", (float)50, productCategory );
+        Customer customer = customerService.addCustomer("Ivan",
+                "Ivanov", "cityExample");
+        Cart cart = cartService.addCart(customer);
+
+        Assertions.assertEquals(product,cartService.addProduct(cart.getId(), product.getId()));
+        Assertions.assertEquals(cart,cartService.getCart(cart.getId()));
+        Assertions.assertEquals(product, cartService.reduceProduct(cart.getId(),product.getId()));
+        Assertions.assertEquals(product, cartService.deleteProduct(cart.getId(),product.getId()));
+        Assertions.assertEquals(cart,cartService.deleteCart(cart.getId()));
+        cleanAll();
+    }
+
+    public void cleanAll(){
+        countProductService.deleteAll();
+        productService.deleteAllProducts();
+        cartService.deleteAllCarts();
+        customerService.deleteAllCustomers();
+        productCategoryService.deleteAllProductCategories();
+    }
+}

backend/lab/src/test/java/com/example/lab/LabApplicationTests.java

@@ -1,13 +1,67 @@
 package com.example.lab;
 
+import com.example.lab.AllTypeCalc.service.CalcService;
+import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.NoSuchBeanDefinitionException;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 
 @SpringBootTest
 class LabApplicationTests {
+	@Autowired
+	CalcService calcService;
 
 	@Test
-	void contextLoads() {
+	void testIntSum() {
+		final Object result = calcService.GetSum(1, 2, "int");
+		Assertions.assertEquals("3", result.toString());
 	}
 
+	@Test
+	void testStringSum() {
+		final Object result = calcService.GetSum("ab", "bc", "str");
+		Assertions.assertEquals("abbc", result.toString());
+	}
+
+	@Test
+	void testIntMinus() {
+		final Object result = calcService.GetMinus(5, 4, "int");
+		Assertions.assertEquals("1", result.toString());
+	}
+
+	@Test
+	void testStringMinus() {
+		final Object result = calcService.GetMinus("abc", "bc", "str");
+		Assertions.assertEquals("a", result.toString());
+	}
+
+	@Test
+	void testIntMult() {
+		final Object result = calcService.GetMult(4, 4, "int");
+		Assertions.assertEquals("16", result.toString());
+	}
+
+	@Test
+	void testStringMult() {
+		final Object result = calcService.GetMult("ab", "bc", "str");
+		Assertions.assertEquals("abab", result.toString());
+	}
+
+	@Test
+	void testIntDiv() {
+		final Object result = calcService.GetDiv(12, 6, "int");
+		Assertions.assertEquals("2", result.toString());
+	}
+
+	@Test
+	void testStringDiv() {
+		final Object result = calcService.GetDiv("ab", "bc", "str");
+		Assertions.assertEquals("1.0", result.toString());
+	}
+
+	@Test
+	void testCalculatorErrorWired() {
+		Assertions.assertThrows(NoSuchBeanDefinitionException.class, () -> calcService.GetSum("1", "1", "integer"));
+	}
 }

backend/lab/src/test/java/resources/application.properties

@@ -0,0 +1,6 @@
+spring.datasource.url=jdbc:h2:mem:testdb
+spring.datasource.driverClassName=org.h2.Driver
+spring.datasource.username=user
+spring.datasource.password=password
+spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
+spring.jpa.hibernate.ddl-auto=create-drop

front/index.html

@@ -1,27 +1,17 @@
 <!DOCTYPE html>
-<html lang="en">
-<head>
-    <meta charset="UTF-8">
-    <title>Интернет программирование</title>
-    <script src="node_modules/bootstrap/dist/js/bootstrap.min.js"></script>
-    <link href="node_modules/bootstrap/dist/css/bootstrap.min.css" rel="stylesheet"/>
-    <link href="node_modules/@fortawesome/fontawesome-free/css/all.min.css" rel="stylesheet"/>
-    <script src="scripts.js"></script>
-</head>
-<body class="ms-3">
-    <h3 class="mt-2">Вычисления</h3>
-            <div class="d-flex form-group">
-                <label class="m-2" for="textFieldNum">Число 1:</label>
-                <input type="number" class="form-control w-25" id="textFieldNum" placeholder="Введите число...">
-                <label class="m-2" for="textFieldNum2">Число 2:</label>
-                <input type="number" class="form-control w-25" id="textFieldNum2" placeholder="Введите число...">
-            </div>
-            <div>
-                <button id = "1" class="btn btn-primary w-auto mt-2 ms-3" onclick="Okclick(this.id)">Степень</button>
-                <button id = "2" class="btn btn-primary w-auto mt-2 ms-3" onclick="Okclick(this.id)">Факториал</button>
-                <button id = "3" class="btn btn-primary w-auto mt-2 ms-3" onclick="Okclick(this.id)">Фибоначчи</button>
-                <button id = "4" class="btn btn-primary w-auto mt-2 ms-3" onclick="Okclick(this.id)">Простое число</button>
-            </div>
-        <a id="res"></a>
-</body>
+<html lang="ru" class="h-100">
+  <head>
+    <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <script src="/node_modules/bootstrap/dist/js/bootstrap.min.js"></script>
+    <link rel="stylesheet" href="/node_modules/bootstrap/dist/css/bootstrap.min.css">
+    <link rel="stylesheet" href="/node_modules/@fortawesome/fontawesome-free/css/all.min.css">
+  <title>4th lab</title>
+  </head>
+  <body class="h-100 bg-light m-0">
+    <article class="h-100">
+      <div id="app" class="h-100"></div>
+      <script type="module" src="/src/main.jsx"></script>
+    </article>
+  </body>
 </html>

front/package.json

@@ -1,19 +1,26 @@
 {
-  "name": "thistore",
+  "name": "test",
   "version": "1.0.0",
-  "description": "Internet Programming labs",
-  "main": "MainPage.html",
+  "type": "module",
   "scripts": {
-	"start": "http-server -p 3000 ./",
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "dev": "vite",
+    "start": "npm-run-all --parallel dev",
+    "build": "vite build",
+    "preview": "vite preview"
   },
-  "author": "Nevaeva Ksenia",
-  "license": "ISC",
   "dependencies": {
-	  "bootstrap": "5.2.1",
-	  "@fortawesome/fontawesome-free": "6.2.0"
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0",
+    "react-router-dom": "^6.4.4",
+    "axios": "^1.1.3",
+    "bootstrap": "^5.2.2",
+    "@fortawesome/fontawesome-free": "^6.2.1"
   },
   "devDependencies": {
-	  "http-server": "14.1.1"
+    "@types/react": "^18.0.24",
+    "@types/react-dom": "^18.0.8",
+    "vite": "^3.2.3",
+    "@vitejs/plugin-react": "^2.2.0",
+    "npm-run-all": "^4.1.5"
   }
 }

front/scripts.js

@@ -1,26 +0,0 @@
-function Okclick(clicked) {
-  var num = document.getElementById("textFieldNum").value
-  var num2 = document.getElementById("textFieldNum2").value
-  var id = clicked;
-  var argument = "";
-  if(id == "1"){
-    argument = ("calculateSquare?num=" + num +"&step=" + num2);
-  }
-  else if (id == "2"){
-    argument = ("calculateFactorial?num=" + num);
-  }
-  else if( id == "3"){
-    argument = ("calculateFibbN?num=" + num);
-  }
-  else if (id == "4"){
-    argument = ("calculateLastSimple?num=" + num);
-  }
-
-  fetch ("http://127.0.0.1:8080/" + argument)
-  .then(response => response.text())
-   .then((response) => {
-       console.log(response)
-       document.getElementById("res").innerHTML = response
-   })
-  
-}

front/src/App.jsx

@@ -0,0 +1,45 @@
+import { useRoutes, Outlet, BrowserRouter } from 'react-router-dom';
+import Header from './components/common/Header';
+import CustomerPage from './components/pages/customerPage';
+import ProductPage from './components/pages/productPage';
+import ProductCategoryPage from './components/pages/productCategoryPage';
+import CartsPage from './components/pages/cartsPage';
+import CartPage from './components/pages/cartPage';
+import './style.css';
+
+function Router(props) {
+  return useRoutes(props.rootRoute);
+}
+
+export default function App() {
+  const routes = [
+    { index: true, element: <CustomerPage/> },
+    { path: 'customer', element: <CustomerPage/>, label:'Покупатели'},
+    { path: 'carts', element: <CartsPage/>, label: 'Корзины' },
+    { path: 'product', element: <ProductPage/>, label: 'Товары' },
+    { path: 'productCategory', element: <ProductCategoryPage/>, label: 'Категории товаров'},
+    { path: 'cart', element: <CartPage/>},
+  ];
+  const links = routes.filter(route => route.hasOwnProperty('label'));
+  const rootRoute = [
+    { path: '/', element: render(links), children: routes }
+  ];
+
+  function render(links) {
+    console.info('render links');
+    return (
+      <>
+        <Header links={links} />
+        <div className="container-fluid">
+          <Outlet />
+        </div>
+      </>
+    );
+  }
+
+  return (
+    <BrowserRouter>
+      <Router rootRoute={ rootRoute } />
+    </BrowserRouter>
+  );
+}

front/src/Main.jsx

@@ -0,0 +1,9 @@
+import React from 'react'
+import ReactDOM from 'react-dom/client'
+import App from './App'
+
+ReactDOM.createRoot(document.getElementById('app')).render(
+  <React.StrictMode>
+      <App />
+  </React.StrictMode>
+)

front/src/components/common/CartTable.jsx

@@ -0,0 +1,103 @@
+import { useState, useEffect } from "react";
+import Modal from './Modal';
+import DataService from '../../services/DataService';
+import Toolbar from './Toolbar';
+import Table from './CartsTable';
+
+export default function CartTable(props){
+    const [items, setItems] = useState([]);
+    const [modalHeader, setModalHeader] = useState('');
+    const [modalConfirm, setModalConfirm] = useState('');
+    const [modalVisible, setModalVisible] = useState(false);
+    const [isEdit, setEdit] = useState(false);
+
+    let selectedItems = [];
+
+    useEffect(() => {
+        loadItems();
+    }, []);
+
+    function loadItems() {
+        DataService.readAll(props.getAllUrl, props.transformer)
+            .then(data => setItems(data));
+    }
+
+    function saveItem() {
+        if (!isEdit) {
+            DataService.create(props.url, "?customerLastName=" + props.data.lastName 
+                                + "&customerFirstName=" + props.data.firstName
+                                + "&customerAddress=" + props.data.customerAddress).then(() => loadItems());
+        } else {
+            DataService.update(props.getUrl + props.data.id, "?customerLastName=" + props.data.lastName 
+                                + "&customerFirstName=" + props.data.firstName
+                                + "&customerAddress=" + props.data.customerAddress).then(() => loadItems());
+        }
+    }
+
+    function handleAdd() {
+        setEdit(false);
+        setModalHeader('Создание');
+        setModalConfirm('Создать');
+        setModalVisible(true);
+        props.onAdd();
+    }
+
+    function handleEdit() {
+        if (selectedItems.length === 0) {
+            return;
+        }
+        edit(selectedItems[0]);
+    }
+
+    function edit(editedId) {
+        DataService.read(props.getUrl + editedId, props.transformer)
+            .then(data => {
+                setEdit(true);
+                setModalHeader('Редактирование пользователя');
+                setModalConfirm('Сохранить');
+                setModalVisible(true);
+                props.onEdit(data);
+            });
+    }
+
+    function handleRemove() {
+        if (selectedItems.length === 0) {
+            return;
+        }
+        if (confirm('Удалить выбранные элементы?')) {
+            const promises = [];
+            selectedItems.forEach(item => {
+                promises.push(DataService.delete(props.getUrl + item));
+            });
+            Promise.all(promises).then((results) => {
+                selectedItems.length = 0;
+                loadItems();
+            });
+        }
+    }
+
+    function handleTableClick(tableSelectedItems) {
+        selectedItems = tableSelectedItems;
+    }
+
+    function handleTableDblClick(tableSelectedItem) {
+        edit(tableSelectedItem);
+    }
+
+    function handleModalHide() {
+        setModalVisible(false);
+    }
+
+    function handleModalDone() {
+        saveItem();
+    }
+
+    return(
+        <>
+            <Table 
+                headers={props.headers} 
+                items={items}
+                selectable={false}/>
+        </>
+    )
+}

front/src/components/common/CartsTable.jsx

@@ -0,0 +1,73 @@
+import { useState } from 'react';
+import styles from './Table.module.css';
+
+export default function Table(props) {
+    const [tableUpdate, setTableUpdate] = useState(false);
+    const [selectedItems, setSelectedItems] = useState([]);
+
+    function isSelected(id) {
+        if (!props.selectable) {
+            return false;
+        }
+        return selectedItems.includes(id);
+    }
+
+    function click(id) {
+        if (!props.selectable) {
+            return;
+        }
+        if (isSelected(id)) {
+            var index = selectedItems.indexOf(id);
+            if (index !== -1) {
+                selectedItems.splice(index, 1);
+                setSelectedItems(selectedItems);
+                setTableUpdate(!tableUpdate);
+            }
+        } else {
+            selectedItems.push(id);
+            setSelectedItems(selectedItems);
+            setTableUpdate(!tableUpdate);
+        }
+        props.onClick(selectedItems);
+    }
+
+    function dblClick(id) {
+        if (!props.selectable) {
+            return;
+        }
+        props.onDblClick(id);
+    }
+
+    return (
+        <table className={`table table-success table-hover ${styles.table} ${props.selectable ? styles.selectable : '' } `}>
+            <thead>
+                <tr>
+                    <th scope="col">#</th>
+                    {
+                        props.headers.map(header =>
+                            <th key={header.name} scope="col">
+                                {header.label}
+                            </th>
+                        )
+                    }
+                </tr>
+            </thead>
+            <tbody>
+                {
+                    props.items.map((item, index) =>
+                        <tr key={item.id}
+                            className={isSelected(item.id) ? styles.selected : ''}
+                            onClick={(e) => click(item.id, e)} onDoubleClick={(e) => dblClick(item.id, e)}>
+                            <th scope="row"><a href={"/cart?id=" + item.id}>{index + 1}</a></th>
+                            {
+                                props.headers.map(header =>
+                                    <td key={item.id + header.name}>{item[header.name]}</td>
+                                )
+                            }
+                        </tr>
+                    )
+                }
+            </tbody >
+        </table >
+    );
+            }

front/src/components/common/CountProductTable.jsx

@@ -0,0 +1,102 @@
+import { useState, useEffect } from "react";
+import Modal from './Modal';
+import DataService from '../../services/DataService';
+import Toolbar from './ToolbarOnlyAdd'
+import Table from './TableProduct';
+
+export default function CustomerTable(props){
+    const [items, setItems] = useState([]);
+    const [cartId, setCartId] = useState(0);
+    const [modalHeader, setModalHeader] = useState('');
+    const [modalConfirm, setModalConfirm] = useState('');
+    const [modalVisible, setModalVisible] = useState(false);
+    const [isEdit, setEdit] = useState(false);
+
+    let selectedItems = [];
+
+    useEffect(() => {
+        loadItems();
+    }, []);
+
+    function loadItems() {
+        const queryString = window.location.search;
+        const urlParams = new URLSearchParams(queryString);
+        var cartId = urlParams.get('id');
+        console.log(cartId);
+        setCartId(cartId);
+        DataService.readAll(props.getAllUrl + cartId, props.transformer)
+            .then(data => setItems(data));
+    }
+
+    function saveItem() {
+        DataService.create(props.getUrl, "?cartId=" + cartId 
+                                + "&productId=" + props.data.productId).then(() => loadItems());
+    }
+
+    function handleAdd() {
+        setEdit(false);
+        setModalHeader('Регистрация');
+        setModalConfirm('Добавить');
+        setModalVisible(true);
+        props.onAdd();
+    }
+
+    function edit(editedId) {
+        DataService.read(props.getUrl + editedId, props.transformer)
+            .then(data => {
+                setEdit(true);
+                setModalHeader('Редактирование пользователя');
+                setModalConfirm('Сохранить');
+                setModalVisible(true);
+                props.onEdit(data);
+            });
+    }
+
+    function add(prodId){
+        console.log(prodId);
+        DataService.update(props.url, prodId).then((results) => loadItems());
+    }
+
+    function remove(prodId) {
+        DataService.delete(props.getUrl + "?id=" + prodId).then((results) => loadItems());
+    }
+
+    function handleTableClick(tableSelectedItems) {
+        selectedItems = tableSelectedItems;
+    }
+
+    function handleTableDblClick(tableSelectedItem) {
+        edit(tableSelectedItem);
+    }
+
+    function handleModalHide() {
+        setModalVisible(false);
+    }
+
+    function handleModalDone() {
+        saveItem();
+    }
+
+    return(
+        <>
+            <h2>Корзина №{cartId}</h2>
+            <Toolbar onAdd={handleAdd}/>
+            <Table 
+                headers={props.headers} 
+                items={items}
+                selectable={false}
+                add={add}
+                remove={remove}
+                onClick={handleTableClick}
+                onDblClick={handleTableDblClick}/>
+            <Modal 
+                header={modalHeader}
+                confirm={modalConfirm}
+                visible={modalVisible} 
+                onHide={handleModalHide}
+                onDone={handleModalDone}>
+                    {props.children}
+            </Modal>
+        </>
+    )
+}

front/src/components/common/CustomerTable.jsx

@@ -0,0 +1,117 @@
+import { useState, useEffect } from "react";
+import Modal from './Modal';
+import DataService from '../../services/DataService';
+import Toolbar from './Toolbar';
+import Table from './Table';
+
+export default function CustomerTable(props){
+    const [items, setItems] = useState([]);
+    const [modalHeader, setModalHeader] = useState('');
+    const [modalConfirm, setModalConfirm] = useState('');
+    const [modalVisible, setModalVisible] = useState(false);
+    const [isEdit, setEdit] = useState(false);
+
+    let selectedItems = [];
+
+    useEffect(() => {
+        loadItems();
+    }, []);
+
+    function loadItems() {
+        DataService.readAll(props.getAllUrl, props.transformer)
+            .then(data => setItems(data));
+    }
+
+    function saveItem() {
+        if (!isEdit) {
+            DataService.create(props.url, "?customerLastName=" + props.data.lastName 
+                                + "&customerFirstName=" + props.data.firstName
+                                + "&customerAddress=" + props.data.customerAddress).then(() => loadItems());
+        } else {
+            DataService.update(props.getUrl + props.data.id, "?customerLastName=" + props.data.lastName 
+                                + "&customerFirstName=" + props.data.firstName
+                                + "&customerAddress=" + props.data.customerAddress).then(() => loadItems());
+        }
+    }
+
+    function handleAdd() {
+        setEdit(false);
+        setModalHeader('Регистрация');
+        setModalConfirm('Добавить');
+        setModalVisible(true);
+        props.onAdd();
+    }
+
+    function handleEdit() {
+        if (selectedItems.length === 0) {
+            return;
+        }
+        edit(selectedItems[0]);
+    }
+
+    function edit(editedId) {
+        DataService.read(props.getUrl + editedId, props.transformer)
+            .then(data => {
+                setEdit(true);
+                setModalHeader('Редактирование пользователя');
+                setModalConfirm('Сохранить');
+                setModalVisible(true);
+                props.onEdit(data);
+            });
+    }
+
+    function handleRemove() {
+        if (selectedItems.length === 0) {
+            return;
+        }
+        if (confirm('Удалить выбранные элементы?')) {
+            const promises = [];
+            selectedItems.forEach(item => {
+                promises.push(DataService.delete(props.getUrl + item));
+            });
+            Promise.all(promises).then((results) => {
+                selectedItems.length = 0;
+                loadItems();
+            });
+        }
+    }
+
+    function handleTableClick(tableSelectedItems) {
+        selectedItems = tableSelectedItems;
+    }
+
+    function handleTableDblClick(tableSelectedItem) {
+        edit(tableSelectedItem);
+    }
+
+    function handleModalHide() {
+        setModalVisible(false);
+    }
+
+    function handleModalDone() {
+        saveItem();
+    }
+
+    return(
+        <>
+            <Toolbar 
+                onAdd={handleAdd}
+                onEdit={handleEdit}
+                onRemove={handleRemove}/>
+            <Table 
+                headers={props.headers} 
+                items={items}
+                selectable={true}
+                onClick={handleTableClick}
+                onDblClick={handleTableDblClick}/>
+            <Modal 
+                header={modalHeader}
+                confirm={modalConfirm}
+                visible={modalVisible} 
+                onHide={handleModalHide}
+                onDone={handleModalDone}>
+                    {props.children}
+            </Modal>
+        </>
+    )
+}

front/src/components/common/Header.jsx

@@ -0,0 +1,38 @@
+import { NavLink } from 'react-router-dom';
+import './style.css';
+
+export default function Header(props) {
+    return (
+        <header className="d-flex flex-row">
+            <div id="leftPart" className="d-flex flex-row">
+                <div className="logo mt-2 mb-2 ms-3 me-1">
+                    <a href="/">
+                        <img src="images/logo.png" width="60" height="60px" />
+                    </a>
+                </div>
+                <div id="siteName" className="mt-0">
+                    ThiStore
+                </div>
+                <div id="mainPage" className="mt-2 ms-3 text-nowrap">
+                </div>
+            </div>
+            <nav className="navbar navbar-expand-md">
+                <div className="container-fluid" id="navigationMenu">
+                    <button className="navbar-toggler mt-0" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav"
+                        aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
+                        <span className="navbar-toggler-icon"></span>
+                    </button>
+                    <div className="navbar-collapse collapse justify-content-end" id="navbarNav">
+                        <ul className="navbar-nav d-flex flex-row">
+                            {
+                                props.links.map(route=>
+                                    <div id="listItemsMy"  key ={route.path} className="nav-item d-flex text-nowrap"><NavLink  className="nav-link d-inline" to ={route.path}>{route.label}</NavLink></div>
+                                    )
+                            }
+                        </ul>
+                    </div>
+                </div>
+            </nav>
+        </header>
+    );
+}

front/src/components/common/Modal.jsx

@@ -0,0 +1,46 @@
+import React from "react";
+
+export default function Modal(props) {
+    const formRef = React.createRef();
+
+    function hide() {
+        props.onHide();
+    }
+
+    function done(e) {
+        e.preventDefault();
+        if (formRef.current.checkValidity()) {
+            props.onDone();
+            hide();
+        } else {
+            formRef.current.reportValidity();
+        }
+        
+    }
+
+    return (
+        <div className="modal fade show" tabIndex="-1" aria-hidden="true"
+            style={{ display: props.visible ? 'block' : 'none' }}>
+            <div className="modal-dialog">
+                <div className="modal-content">
+                    <div className="modal-header">
+                        <h1 className="modal-title fs-5" id="exampleModalLabel">{props.header}</h1>
+                        <button className="btn-close" type="button"  aria-label="Close"
+                            onClick={hide}></button>
+                    </div>
+                    <div className="modal-body">
+                        <form ref={formRef} onSubmit={done}>
+                            {props.children}
+                        </form>
+                    </div>
+                    <div className="modal-footer">
+                        <button className="btn btn-secondary" type="button" onClick={hide}>Закрыть</button>
+                        <button className="btn btn-primary" type="button" onClick={done}>
+                            {props.confirm}
+                        </button>
+                    </div>
+                </div>
+            </div>
+        </div>
+    );
+}

front/src/components/common/ProductCategoryTable.jsx

@@ -0,0 +1,113 @@
+import { useState, useEffect } from "react";
+import Modal from './Modal';
+import DataService from '../../services/DataService';
+import Toolbar from './Toolbar';
+import Table from './Table';
+
+export default function ProductCategoryTable(props){
+    const [items, setItems] = useState([]);
+    const [modalHeader, setModalHeader] = useState('');
+    const [modalConfirm, setModalConfirm] = useState('');
+    const [modalVisible, setModalVisible] = useState(false);
+    const [isEdit, setEdit] = useState(false);
+
+    let selectedItems = [];
+
+    useEffect(() => {
+        loadItems();
+    }, []);
+
+    function loadItems() {
+        DataService.readAll(props.getAllUrl, props.transformer)
+            .then(data => setItems(data));
+    }
+
+    function saveItem() {
+        if (!isEdit) {
+            DataService.create(props.url, "?name=" + props.data.name).then(() => loadItems());
+        } else {
+            DataService.update(props.getUrl + props.data.id, "?name=" + props.data.name).then(() => loadItems());
+        }
+    }
+
+    function handleAdd() {
+        setEdit(false);
+        setModalHeader('Добавления категории');
+        setModalConfirm('Добавить');
+        setModalVisible(true);
+        props.onAdd();
+    }
+
+    function handleEdit() {
+        if (selectedItems.length === 0) {
+            return;
+        }
+        edit(selectedItems[0]);
+    }
+
+    function edit(editedId) {
+        DataService.read(props.getUrl + editedId, props.transformer)
+            .then(data => {
+                setEdit(true);
+                setModalHeader('Редактирование пользователя');
+                setModalConfirm('Сохранить');
+                setModalVisible(true);
+                props.onEdit(data);
+            });
+    }
+
+    function handleRemove() {
+        if (selectedItems.length === 0) {
+            return;
+        }
+        if (confirm('Удалить выбранные элементы?')) {
+            const promises = [];
+            selectedItems.forEach(item => {
+                promises.push(DataService.delete(props.getUrl + item));
+            });
+            Promise.all(promises).then((results) => {
+                selectedItems.length = 0;
+                loadItems();
+            });
+        }
+    }
+
+    function handleTableClick(tableSelectedItems) {
+        selectedItems = tableSelectedItems;
+    }
+
+    function handleTableDblClick(tableSelectedItem) {
+        edit(tableSelectedItem);
+    }
+
+    function handleModalHide() {
+        setModalVisible(false);
+    }
+
+    function handleModalDone() {
+        saveItem();
+    }
+
+    return(
+        <>
+            <Toolbar 
+                onAdd={handleAdd}
+                onEdit={handleEdit}
+                onRemove={handleRemove}/>
+            <Table 
+                headers={props.headers} 
+                items={items}
+                selectable={true}
+                onClick={handleTableClick}
+                onDblClick={handleTableDblClick}/>
+            <Modal 
+                header={modalHeader}
+                confirm={modalConfirm}
+                visible={modalVisible} 
+                onHide={handleModalHide}
+                onDone={handleModalDone}>
+                    {props.children}
+            </Modal>
+        </>
+    )
+}

front/src/components/common/ProductTable.jsx

@@ -0,0 +1,114 @@
+import { useState, useEffect } from "react";
+import Modal from './Modal';
+import DataService from '../../services/DataService';
+import Toolbar from './Toolbar';
+import Table from './Table';
+
+export default function ProductTable(props){
+    const [items, setItems] = useState([]);
+    const [modalHeader, setModalHeader] = useState('');
+    const [modalConfirm, setModalConfirm] = useState('');
+    const [modalVisible, setModalVisible] = useState(false);
+    const [isEdit, setEdit] = useState(false);
+
+    let selectedItems = [];
+
+    useEffect(() => {
+        loadItems();
+    }, []);
+
+    function loadItems() {
+        DataService.readAll(props.getAllUrl, props.transformer)
+            .then(data => setItems(data));
+    }
+
+    function saveItem() {
+        console.log("Createing product");
+        if (!isEdit) {
+            DataService.create(props.url, "?productName=" + props.data.name + "&price=" + props.data.price + "&productCategoryId=" + props.data.productCategoryId).then(() => loadItems());
+        } else {
+            DataService.update(props.getUrl + props.data.id, "?productName=" + props.data.name + "&price=" + props.data.price + "&productCategoryId=" + props.data.productCategoryId).then(() => loadItems());
+        }
+    }
+
+    function handleAdd() {
+        setEdit(false);
+        setModalHeader('Добавления товара');
+        setModalConfirm('Добавить');
+        setModalVisible(true);
+        props.onAdd();
+    }
+
+    function handleEdit() {
+        if (selectedItems.length === 0) {
+            return;
+        }
+        edit(selectedItems[0]);
+    }
+
+    function edit(editedId) {
+        DataService.read(props.getUrl + editedId, props.transformer)
+            .then(data => {
+                setEdit(true);
+                setModalHeader('Редактирование пользователя');
+                setModalConfirm('Сохранить');
+                setModalVisible(true);
+                props.onEdit(data);
+            });
+    }
+
+    function handleRemove() {
+        if (selectedItems.length === 0) {
+            return;
+        }
+        if (confirm('Удалить выбранные элементы?')) {
+            const promises = [];
+            selectedItems.forEach(item => {
+                promises.push(DataService.delete(props.getUrl + item));
+            });
+            Promise.all(promises).then((results) => {
+                selectedItems.length = 0;
+                loadItems();
+            });
+        }
+    }
+
+    function handleTableClick(tableSelectedItems) {
+        selectedItems = tableSelectedItems;
+    }
+
+    function handleTableDblClick(tableSelectedItem) {
+        edit(tableSelectedItem);
+    }
+
+    function handleModalHide() {
+        setModalVisible(false);
+    }
+
+    function handleModalDone() {
+        saveItem();
+    }
+
+    return(
+        <>
+            <Toolbar 
+                onAdd={handleAdd}
+                onEdit={handleEdit}
+                onRemove={handleRemove}/>
+            <Table 
+                headers={props.headers} 
+                items={items}
+                selectable={true}
+                onClick={handleTableClick}
+                onDblClick={handleTableDblClick}/>
+            <Modal 
+                header={modalHeader}
+                confirm={modalConfirm}
+                visible={modalVisible} 
+                onHide={handleModalHide}
+                onDone={handleModalDone}>
+                    {props.children}
+            </Modal>
+        </>
+    )
+}

front/src/components/common/Table.jsx

@@ -0,0 +1,73 @@
+import { useState } from 'react';
+import styles from './Table.module.css';
+
+export default function Table(props) {
+    const [tableUpdate, setTableUpdate] = useState(false);
+    const [selectedItems, setSelectedItems] = useState([]);
+
+    function isSelected(id) {
+        if (!props.selectable) {
+            return false;
+        }
+        return selectedItems.includes(id);
+    }
+
+    function click(id) {
+        if (!props.selectable) {
+            return;
+        }
+        if (isSelected(id)) {
+            var index = selectedItems.indexOf(id);
+            if (index !== -1) {
+                selectedItems.splice(index, 1);
+                setSelectedItems(selectedItems);
+                setTableUpdate(!tableUpdate);
+            }
+        } else {
+            selectedItems.push(id);
+            setSelectedItems(selectedItems);
+            setTableUpdate(!tableUpdate);
+        }
+        props.onClick(selectedItems);
+    }
+
+    function dblClick(id) {
+        if (!props.selectable) {
+            return;
+        }
+        props.onDblClick(id);
+    }
+
+    return (
+        <table className={`table table-success table-hover ${styles.table} ${props.selectable ? styles.selectable : '' } `}>
+            <thead>
+                <tr>
+                    <th scope="col">#</th>
+                    {
+                        props.headers.map(header =>
+                            <th key={header.name} scope="col">
+                                {header.label}
+                            </th>
+                        )
+                    }
+                </tr>
+            </thead>
+            <tbody>
+                {
+                    props.items.map((item, index) =>
+                        <tr key={item.id}
+                            className={isSelected(item.id) ? styles.selected : ''}
+                            onClick={(e) => click(item.id, e)} onDoubleClick={(e) => dblClick(item.id, e)}>
+                            <th scope="row">{index + 1}</th>
+                            {
+                                props.headers.map(header =>
+                                    <td key={item.id + header.name}>{item[header.name]}</td>
+                                )
+                            }
+                        </tr>
+                    )
+                }
+            </tbody >
+        </table >
+    );
+            }

front/src/components/common/Table.module.css

@@ -0,0 +1,12 @@
+.table tbody tr {
+    user-select: none;
+}
+
+.selectable tbody tr:hover {
+    cursor: pointer;
+}
+
+.selected {
+    background-color: #0d6efd;
+    opacity: 80%;
+}

front/src/components/common/TableProduct.jsx

@@ -0,0 +1,90 @@
+import { useState } from 'react';
+import styles from './Table.module.css';
+
+export default function Table(props) {
+    const [tableUpdate, setTableUpdate] = useState(false);
+    const [selectedItems, setSelectedItems] = useState([]);
+
+    function isSelected(id) {
+        if (!props.selectable) {
+            return false;
+        }
+        return selectedItems.includes(id);
+    }
+
+    function click(id) {
+        if (!props.selectable) {
+            return;
+        }
+        if (isSelected(id)) {
+            var index = selectedItems.indexOf(id);
+            if (index !== -1) {
+                selectedItems.splice(index, 1);
+                setSelectedItems(selectedItems);
+                setTableUpdate(!tableUpdate);
+            }
+        } else {
+            selectedItems.push(id);
+            setSelectedItems(selectedItems);
+            setTableUpdate(!tableUpdate);
+        }
+        props.onClick(selectedItems);
+    }
+
+    function dblClick(id) {
+        if (!props.selectable) {
+            return;
+        }
+        props.onDblClick(id);
+    }
+
+    function add(prodId){
+        props.add(prodId);
+    }
+
+    function remove(prodId){    
+        props.remove(prodId);
+    }
+
+    return (
+        <table className={`table table-success table-hover ${styles.table} ${props.selectable ? styles.selectable : '' } `}>
+            <thead>
+                <tr>
+                    <th scope="col">#</th>
+                    {
+                        props.headers.map(header =>
+                            <th key={header.name} scope="col">
+                                {header.label}
+                            </th>
+                        )
+                    }
+                    <th></th>
+                </tr>
+            </thead>
+            <tbody>
+                {
+                    props.items.map((item, index) =>
+                        <tr key={item.id}
+                            className={isSelected(item.id) ? styles.selected : ''}
+                            onClick={(e) => click(item.id, e)} onDoubleClick={(e) => dblClick(item.id, e)}>
+                            <th scope="row">{index + 1}</th>
+                            {
+                                props.headers.map(header =>
+                                    <td key={item.id + header.name}>{item[header.name]}</td>
+                                )
+                            }
+                            <td>
+                                <button type="button" className='btn btn-success mx-2' onClick={(e) => add(item.id, e)}>
+                                +
+                                </button>
+                                <button type="button" className='btn btn-danger mx-2' onClick={(e) => remove(item.id, e)}>
+                                -
+                                </button>
+                            </td>
+                        </tr>
+                    )
+                }
+            </tbody >
+        </table >
+    );
+            }

front/src/components/common/Toolbar.jsx

@@ -0,0 +1,29 @@
+import styles from './Toolbar.module.css';
+
+export default function Toolbar(props) {
+    function add() {
+        props.onAdd();
+    }
+
+    function edit() {
+        props.onEdit();
+    }
+
+    function remove() {
+        props.onRemove();
+    }
+
+    return (
+        <div className="btn-group mt-2" role="group">
+            <button type="button" className={`btn btn-success ${styles.btn}`} onClick={add}>
+                Добавить
+            </button>
+            <button type="button" className={`btn btn-warning ${styles.btn}`} onClick={edit} >
+                Изменить
+            </button >
+            <button type="button" className={`btn btn-danger ${styles.btn}`} onClick={remove}>
+                Удалить
+            </button >
+        </div >
+    );
+}

front/src/components/common/Toolbar.module.css

@@ -0,0 +1,3 @@
+.btn {
+    min-width: 140px;
+}

front/src/components/common/ToolbarOnlyAdd.jsx

@@ -0,0 +1,15 @@
+import styles from './Toolbar.module.css';
+
+export default function Toolbar(props) {
+    function add() {
+        props.onAdd();
+    }
+
+    return (
+        <div className="btn-group mt-2" role="group">
+            <button type="button" className={`btn btn-success ${styles.btn}`} onClick={add}>
+                Добавить
+            </button>
+        </div >
+    );
+}

front/src/components/common/style.css

@@ -0,0 +1,473 @@
+.mainHtml{
+  background-color: #ffb84b !important;
+}
+.hide{
+  display: none;
+}
+.active{
+  display: block;
+}
+.active img {
+  height: auto;
+}
+header {
+  height: fit-content;
+  background-image: linear-gradient(to right, #ff8400 , #ffc156);
+  align-items: center;
+}
+
+img.center {
+    display: block;
+    margin: 0 auto;
+}
+div.colorBG{
+  background-color: #ffb84b;
+}
+
+.firstPart div {
+  display: flex;
+}
+
+.firstPart figcaption {
+ color: white;
+ text-align: center;
+}
+
+#salePrice{
+  font-family: 'Agency FB Bold', arial;
+  margin-top: -10px;
+}
+
+.adIphone {
+  color: white;
+  font-family: 'Antipasto Pro', sans-serif;
+  font-size: 28px;
+}
+
+#saleText{
+  color: red;
+  font-size: 35px;
+}
+
+#specialText{
+  font-size: 40px;
+  color: red;
+}
+
+.adIphone figure img{
+  text-align: justify-all;
+}
+
+.menu {
+  flex-grow: 1;
+}
+
+.menu a,
+.menu .active {  
+  font-family: 'Antipasto Pro', sans-serif;
+  display: block;
+  padding: 8px 10px;
+  color: white;
+  font-size: 22px;
+  text-decoration: none;
+}
+
+.menu .active {
+  color: #fff;
+  background-color: #ff3d00;
+  border-radius: 8px;
+}
+
+#siteName{
+  color: white;
+  font-family: 'Agency FB Bold', arial;
+  font-size: 36px;
+}
+
+#mainPage{
+  font-size: 27px;
+}
+
+#mainPage a{
+  font-family: 'Antipasto Pro', sans-serif;
+  color: white;
+  text-decoration: none;
+}
+div.colorBG{
+  background-color: #ffb84b;
+}
+
+.firstPart{
+   background-image: url(images/banner.png);
+   background-repeat: no-repeat;
+   background-size: 107%;
+}
+
+.firstPart figure {
+  margin-inline-start: 10px;
+  margin-block-start: 10px;
+}
+
+footer {
+  background-image: linear-gradient(to right, #ff8400 , #ffc156);
+}
+
+.socialMedia{
+  margin-right: 5px;
+  margin-left: auto;
+}
+
+.socialMedia figcaption{
+  font-family: 'Antipasto Pro', sans-serif;
+}
+.copyright {
+  margin-right: 10px;
+  flex-basis: 98%;
+  text-align: right;
+  color: white;
+  font-family: 'Agency FB', arial;
+}
+#weInSocial {
+  color: white;
+}
+
+.aboutUsFooter{
+  font-family: 'Antipasto Pro', sans-serif;
+}
+
+.aboutUsFooter a{
+  text-decoration: none;
+  color: white;
+}
+
+.aboutUsFooter li{
+  list-style-type: none;
+  margin: 7px 0;
+}
+
+.aboutUsText figcaption {
+  color: #ff8400;
+  font-family: 'Antipasto Pro', sans-serif;
+  font-size: 46px;
+}
+
+#loremIpsumText{
+  color: black;
+  font-size: 20px;
+  margin-right: 15%;
+  margin-left: 15%;
+}
+
+#leftColumn{
+  flex-direction: column;
+}
+
+#middleColumn{
+  flex-direction: column;
+}
+
+#rightColumn{
+  text-align: center;
+  display: flex;
+  flex-direction: column;
+}
+
+.item{
+  text-align: center;
+  font-family: Segoe UI;
+  font-weight: bold;
+  font-size: 18px;
+}
+
+.item figcaption{
+    color: black;
+}
+
+#Items {
+  columns: 3;
+  column-gap: 1em;
+}
+
+* {box-sizing: border-box;}
+form {
+  position: relative;
+  width: 400px;
+  margin-top: 20px;
+  margin-left: auto;
+  margin-right: auto;
+  background-image: linear-gradient(to right, #ff8400 , #ffc156);
+}
+input, button {
+  border: none;
+  outline: none;
+  background: transparent;
+}
+input {
+  height: 42px;
+}
+.searchbutton{
+  height: 42px;
+  width: 42px;
+  position: absolute;
+  top: 0;
+  right: 0;
+  cursor: pointer;
+}
+button .searchbutton:before {
+  font-family: FontAwesome;
+  font-size: 16px;
+  color: #F9F0DA;
+}
+
+.orders{
+  width: 1000px;
+  display: block;
+  float: none;
+  height: 350px;
+  background:  #ffc156;
+  border: 1px solid #C1C1C1; 
+  overflow: auto;
+}
+
+#activeOrders {
+  font-family: 'Antipasto Pro', sans-serif;
+  text-align: center;
+  font-size: 20px;
+  margin-top: 10px;
+  color: #c06300;
+}
+
+#listOfInf{
+  background-color: #ffc156;
+  height: 150px;
+  width: 900px;
+  vertical-align: center;
+  margin-top: 15px;
+  display: flex;
+}
+
+#listOfInf li{
+  color: #c06300;
+  list-style-type: none;
+  font-family: 'Antipasto Pro', sans-serif;
+  margin: 9px 0;
+}
+
+.orderItem{
+  display: flex;
+}
+
+.nameItem{
+  margin-top: 20px;
+  color: white;
+  font-family: 'Antipasto Pro', sans-serif;
+  margin-left: 0px;
+}
+
+.priceItem {
+  color: white;
+  font-family: 'Antipasto Pro', sans-serif;
+  margin-bottom: 30px;
+  margin-top: auto;
+  margin-right: 100px;
+  margin-left: auto;
+}
+
+.deleteItem button{
+  color: white;
+  width: auto;
+  height: 25px;
+  font-family: 'Antipasto Pro', sans-serif;
+  font-size: 16px;
+  position: relative;
+  left: 10%;
+  top: 73%;
+  transform: translate(-70%, 0);
+  background: #ff8400;
+  
+}
+
+.ordersCart{
+  margin-left: auto;
+  margin-right: auto;
+  margin-bottom: 30px;
+  margin-top: 30px;
+  width: 1000px;  
+  display: block;
+  float: none;
+  height: auto;
+  background:  #ffc156;
+  border: 1px solid #C1C1C1; 
+  overflow: auto;
+}
+
+.orderItems button{
+  color: white;
+  width: auto;
+  height: 40px;
+  font-family: 'Antipasto Pro', sans-serif;
+  font-size: 36px;
+  position: relative;
+  left: 85%;
+  top: 73%;
+  transform: translate(-70%, 0);
+  background: #ff8400;
+  margin-bottom: 50px;
+}
+
+/* change the link color */
+.navbar-custom .navbar-nav .nav-link {
+    color: white;
+    font-family: 'Antipasto Pro', sans-serif;
+}
+
+@media (max-width: 550px){
+  .nameItem{
+    font-size: 12px;
+  }
+  .deleteItem{
+    font-size: 12px;
+  }
+  .priceItem{
+    font-size: 12px;
+  }
+  .orderItem img{
+    height: 120px;
+    width: auto;
+  }
+  .orderItems button {
+    font-size: 16px;
+  }
+}
+@media(max-width: 500px){
+  header{
+    flex-direction: column;
+  }
+  #mainPage{
+    margin-top: 0px;
+  }
+  #leftPart a{
+    font-size: 12px;
+    text-align: left;
+    margin-top: 0;
+    padding-top: 0;
+  }
+  .logo img{
+    margin-top: 10px;
+    width: 35px;
+    height: 35px;
+    margin-top: 10px;
+    margin-bottom: 10px;
+  }
+  #siteName{
+    font-size: 14px;
+    margin-top: 24px !important; 
+  }
+  #profile li{
+    font-size: 6px !important;
+  }
+  #profile ul{
+    padding-left: 6px;
+  }
+  #activeOrders{
+    font-size: 8px !important; 
+  }
+  footer{
+    font-size: 8px !important;
+  }
+  .socialMedia img{
+    width: 20px;
+    height: 20px;
+  }
+  #Items {
+  columns: 1;
+  }
+  #textIphone{
+    font-size: 10px;
+  }
+  #specialText{
+    font-size: 12px;
+  }
+  #saleText{
+    font-size: 12px;
+  }
+  #salePrice{
+    font-size: 12px;
+    padding-top: 10px;
+  }
+}
+
+@media(max-width: 700px){
+  .firstPart img{
+    width:80px !important;
+    height: auto;
+  }
+  .firstPart figcaption{
+    font-size: 8px;
+  }
+  #textIphone{
+    font-size: 12px;
+  }
+  #specialText{
+    font-size: 14px;
+  }
+  #saleText{
+    font-size: 16px;
+  }
+  #salePrice{
+    font-size: 14px;
+  }
+}
+@media(max-width: 600px){
+  .firstPart img{
+    width:60px !important;
+    height: auto;
+  }
+  .firstPart figcaption{
+    font-size: 6px;
+  }
+}
+@media(max-width: 800px){
+  #profile li{
+    font-size: 12px;
+  }
+    #activeOrders{
+    font-size: 12px;
+  }
+  #avatar{
+    width: 110px;
+  }
+  #profile ul{
+    padding-left: 6px;
+  }
+  .socialMedia img{
+    width: 35px;
+    height: 35px;
+  }
+  .firstPart img{
+    width:90px;
+    height: auto;
+  }
+  .firstPart figcaption{
+    font-size: 10px;
+  }
+  footer{
+    font-size: 12px;
+  }
+  .navbar-toggler{
+    margin-top: 10px !important;
+  }
+  #Items {
+  columns: 1;
+  }
+}
+@media(max-width: 900px){
+  .firstPart img{
+    width:100px;
+    height: auto;
+  }
+  .firstPart figcaption{
+    font-size: 12px;
+  }
+}
+

front/src/components/pages/cartPage.jsx

@@ -0,0 +1,84 @@
+import CountProduct from '../../models/countProduct';
+import Product from '../../models/product';
+import CountProductTable from '../common/CountProductTable'
+import DataService from '../../services/DataService';
+import { useState, useEffect} from "react";
+
+import '../common/style.css';
+
+export default function CartPage(){
+    const url = 'countProduct/';
+    const getUrl = 'countProduct';
+    const getProductUrl = 'product'
+    const transformer = (data) => new CountProduct(data);
+    const transformerProd = (data) => new Product(data);
+    const catalogCountProductHeaders = [
+        {name: 'name', label: 'Название' },
+        {name: 'amount', label: 'Количество' },
+        {name: 'price', label: 'Цена' },
+    ];
+
+    const [data, setData] = useState(new CountProduct());
+    const [productOptions, setProductOptions] = useState([]);
+
+    function handleOnAdd() {
+        setData(new CountProduct());
+    }
+
+    function handleOnEdit(data) {
+        setData(new CountProduct(data));
+    }
+
+    function handleFormChange(event) {
+        setData({ ...data, [event.target.id]: event.target.value })
+    }
+
+    useEffect(() => {
+        loadOptions();
+    }, []);
+
+    async function loadOptions(){
+        loadProdOptions(await DataService.readAll(getProductUrl, transformerProd)); 
+    }
+
+    function loadProdOptions(dataProduct){
+        const products = [];
+        
+        dataProduct.forEach((value) => {
+            products.push({
+                key: value.name,
+                value: value.id,
+            })
+        })
+        console.log(products);
+        setProductOptions(products);
+    }
+
+
+        return(
+            <article className="h-100 mt-0 mb-0 d-flex flex-column justify-content-between">
+            <CountProductTable headers={catalogCountProductHeaders} 
+                getAllUrl={url}
+                url={url}
+                getUrl={getUrl}
+                transformer={transformer}
+                data={data}
+                onAdd={handleOnAdd}
+                onEdit={handleOnEdit}>
+        <label className="form-label" forhtml="productId"></label>
+            <select className="form-select" id="productId" value={data.productCategoryId} onChange={handleFormChange}  required>
+                {
+                    productOptions.map((option) => {
+                        return(
+                            <option key={option.value} value={option.value}>
+                                {option.key}
+                            </option>
+                        )
+                    }
+                    )
+                }
+            </select>
+            </CountProductTable>
+          </article>
+        )
+}

front/src/components/pages/cartsPage.jsx

@@ -0,0 +1,41 @@
+import Cart from "../../models/cart"
+import CartTable from '../common/CartTable'
+import { useState, useEffect} from "react";
+
+import '../common/style.css';
+
+export default function CartsPage(){
+    const url = 'cart';
+    const getUrl = 'cart/';
+    const transformer = (data) => new Cart(data);
+    const catalogCartHeaders = [
+        {name: 'customer', label: 'Покупатель' },
+    ];
+
+    const [data, setData] = useState(new Cart());
+
+    function handleOnAdd() {
+        setData(new Cart());
+    }
+
+    function handleOnEdit(data) {
+        setData(new Cart(data));
+    }
+
+    function handleFormChange(event) {
+        setData({ ...data, [event.target.id]: event.target.value })
+    }
+        return(
+            <article className="h-100 mt-0 mb-0 d-flex flex-column justify-content-between">
+            <CartTable headers={catalogCartHeaders} 
+                getAllUrl={url}
+                url={url}
+                getUrl={getUrl}
+                transformer={transformer}
+                data={data}
+                onAdd={handleOnAdd}
+                onEdit={handleOnEdit}>
+            </CartTable>
+          </article>
+        )
+}

front/src/components/pages/customerPage.jsx

@@ -0,0 +1,53 @@
+import Customer from "../../models/customer"
+import CustomerTable from '../common/CustomerTable'
+import { useState, useEffect} from "react";
+
+export default function CustomerPage(){
+    const url = 'customer';
+    const getUrl = 'customer/';
+    const transformer = (data) => new Customer(data);
+    const catalogCustomerHeaders = [
+        { name: 'lastName', label: 'Фамилия' },
+        {name: 'firstName', label: 'Имя'},
+        {name: 'customerAddress', label: 'Адрес'}
+    ];
+
+    const [data, setData] = useState(new Customer());
+
+    function handleOnAdd() {
+        setData(new Customer());
+    }
+
+    function handleOnEdit(data) {
+        setData(new Customer(data));
+    }
+
+    function handleFormChange(event) {
+        setData({ ...data, [event.target.id]: event.target.value })
+    }
+    return(
+        <article className="h-100 mt-0 mb-0 d-flex flex-column justify-content-between">
+        <CustomerTable headers={catalogCustomerHeaders} 
+            getAllUrl={url}
+            url={url}
+            getUrl={getUrl}
+            transformer={transformer}
+            data={data}
+            onAdd={handleOnAdd}
+            onEdit={handleOnEdit}>
+        <div className="col-md-4">
+            <label className="form-label" forhtml="lastName">Фамилия</label>
+            <input className="form-control" type="text" id="lastName" value={data.lastName} onChange={handleFormChange} required="required"/>
+          </div>
+          <div className="col-md-4">
+            <label className="form-label" forhtml="firstName">Имя</label> 
+            <input className="form-control" type="text" value={data.firstName} onChange={handleFormChange} id="firstName" required="required"/>
+          </div>
+          <div className="col-md-4">
+            <label className="form-label" forhtml="customerAddress">Адрес</label>
+            <input className="form-control" type="text" id="customerAddress" value={data.customerAddress} onChange={handleFormChange} required="required"/>
+          </div>
+        </CustomerTable>
+      </article>
+    )
+}

front/src/components/pages/productCategoryPage.jsx

@@ -0,0 +1,43 @@
+import ProductCategory from "../../models/productCategory"
+import ProductCategoryTable from '../common/productCategoryTable'
+import { useState, useEffect} from "react";
+
+export default function ProductCategoryPage(){
+    const url = 'productCategory';
+    const getUrl = 'productCategory/';
+    const transformer = (data) => new ProductCategory(data);
+    const catalogCustomerHeaders = [
+        { name: 'name', label: 'Название категории' },
+    ];
+
+    const [data, setData] = useState(new ProductCategory());
+
+    function handleOnAdd() {
+        setData(new ProductCategory());
+    }
+
+    function handleOnEdit(data) {
+        setData(new ProductCategory(data));
+    }
+
+    function handleFormChange(event) {
+        setData({ ...data, [event.target.id]: event.target.value })
+    }
+    return(
+        <article className="h-100 mt-0 mb-0 d-flex flex-column justify-content-between">
+        <ProductCategoryTable headers={catalogCustomerHeaders} 
+            getAllUrl={url}
+            url={url}
+            getUrl={getUrl}
+            transformer={transformer}
+            data={data}
+            onAdd={handleOnAdd}
+            onEdit={handleOnEdit}>
+        <div className="col-md-4">
+            <label className="form-label" forhtml="name">Название категории</label>
+            <input className="form-control" type="text" id="name" value={data.name} onChange={handleFormChange} required="required"/>
+          </div>
+        </ProductCategoryTable>
+      </article>
+    )
+}

front/src/components/pages/productPage.jsx

@@ -0,0 +1,91 @@
+import Product from "../../models/product"
+import ProductCategory from "../../models/productCategory"
+import DataService from '../../services/DataService';
+import ProductTable from '../common/productTable'
+import { useState, useEffect} from "react";
+
+export default function ProductPage(){
+    const url = 'product';
+    const getUrl = 'product/';
+    const getCatUrl = 'productCategory';
+    const transformer = (data) => new Product(data);
+    const transformerCat = (data) => new ProductCategory(data);
+    const catalogProductHeaders = [
+        { name: 'name', label: 'Название товара' },
+        { name: 'price', label: 'Цена' },
+        { name: 'categoryName', label: 'Категория товара' }
+    ];
+
+    const [data, setData] = useState(new Product());
+    const [productCategoryOptions, setProductCategoryOptions] = useState([]);
+
+    function handleOnAdd() {
+        setData(new Product());
+    }
+
+    function handleOnEdit(data) {
+        setData(new Product(data));
+    }
+
+    function handleFormChange(event) {
+        setData({ ...data, [event.target.id]: event.target.value })
+    }
+
+    //подтягиваем список категорий в селект
+
+    useEffect(() => {
+        loadOptions();
+    }, []);
+
+    async function loadOptions(){
+        loadCatOptions(await DataService.readAll(getCatUrl, transformerCat)); 
+    }
+
+    function loadCatOptions(dataProductCategory){
+        const productCategories = [];
+        
+        dataProductCategory.forEach((value) => {
+            productCategories.push({
+                key: value.name,
+                value: value.id,
+            })
+        })
+        console.log(productCategories);
+        setProductCategoryOptions(productCategories);
+    }
+
+    return(
+        <article className="h-100 mt-0 mb-0 d-flex flex-column justify-content-between">
+        <ProductTable headers={catalogProductHeaders} 
+            getAllUrl={url}
+            url={url}
+            getUrl={getUrl}
+            transformer={transformer}
+            data={data}
+            onAdd={handleOnAdd}
+            onEdit={handleOnEdit}>
+        <div className="col-md-4">
+            <label className="form-label" forhtml="name">Название</label>
+            <input className="form-control" type="text" id="name" value={data.name} onChange={handleFormChange} required="required"/>
+        </div>
+        <div className="col-md-4">
+            <label className="form-label" forhtml="price">Цена</label>
+            <input className="form-control" type="text" id="price" value={data.price} onChange={handleFormChange} required="required"/>
+        </div>
+        <label className="form-label" forhtml="productCategoryId"></label>
+            <select className="form-select" id="productCategoryId" value={data.productCategoryId} onChange={handleFormChange}  required>
+                {
+                    productCategoryOptions.map((option) => {
+                        return(
+                            <option key={option.value} value={option.value}>
+                                {option.key}
+                            </option>
+                        )
+                    }
+                    )
+                }
+            </select>
+        </ProductTable>
+      </article>
+    )
+}

front/src/models/cart.js

@@ -0,0 +1,6 @@
+export default class Cart {
+    constructor(data) {
+        this.id = data?.id;
+        this.customer = data?.customer || '';
+    }
+}

front/src/models/countProduct.js

@@ -0,0 +1,8 @@
+export default class CountProduct {
+    constructor(data) {
+        this.id = data?.id;
+        this.name = data?.name || '';
+        this.amount = data?.amount || '';
+        this.price = data?.price || '';
+    }
+}

front/src/models/customer.js

@@ -0,0 +1,8 @@
+export default class Customer {
+    constructor(data) {
+        this.id = data?.id;
+        this.lastName = data?.lastName || '';
+        this.firstName = data?.firstName || '';
+        this.customerAddress = data?.customerAddress || '';
+    }
+}

front/src/models/product.js

@@ -0,0 +1,9 @@
+export default class Product {
+    constructor(data) {
+        this.id = data?.id;
+        this.name = data?.name || '';
+        this.price = data?.price || '';
+        this.productCategoryId = data?.productCategoryId || '';
+        this.categoryName = data?.categoryName || '';
+    }
+}

front/src/models/productCategory.js

@@ -0,0 +1,6 @@
+export default class Product {
+    constructor(data) {
+        this.id = data?.id;
+        this.name = data?.name || '';
+    }
+}

front/src/services/DataService.js

@@ -0,0 +1,45 @@
+import axios from 'axios';
+
+function toJSON(data) {
+    const jsonObj = {};
+    const fields = Object.getOwnPropertyNames(data);
+    for (const field of fields) {
+        if (data[field] === undefined) {
+            continue;
+        }
+        jsonObj[field] = data[field];
+    }
+    return jsonObj;
+}
+
+export default class DataService {
+    static dataUrlPrefix = 'http://localhost:8080/';
+
+    static async readAll(url, transformer) {
+        const response = await axios.get(this.dataUrlPrefix + url);
+        return response.data.map(item => transformer(item));
+    }
+
+    static async read(url, transformer) {
+        const response = await axios.get(this.dataUrlPrefix + url);
+        return transformer(response.data);
+    }
+
+    static async create(url, data) {
+        console.log("Create " + this.dataUrlPrefix + url + data);
+        const response = await axios.post(this.dataUrlPrefix + url + data);
+        return true;
+    }
+
+    static async update(url, data) {
+        console.log("UPD")
+        const response = await axios.put(this.dataUrlPrefix + url + data);
+        console.log("Done upd")
+        return true;
+    }
+
+    static async delete(url) {
+        const response = await axios.delete(this.dataUrlPrefix + url);
+        return response.data.id;
+    }
+}

front/src/style.css

@@ -0,0 +1,473 @@
+.mainHtml{
+  background-color: #ffb84b !important;
+}
+.hide{
+  display: none;
+}
+.active{
+  display: block;
+}
+.active img {
+  height: auto;
+}
+header {
+  height: fit-content;
+  background-image: linear-gradient(to right, #ff8400 , #ffc156);
+  align-items: center;
+}
+
+img.center {
+    display: block;
+    margin: 0 auto;
+}
+div.colorBG{
+  background-color: #ffb84b;
+}
+
+.firstPart div {
+  display: flex;
+}
+
+.firstPart figcaption {
+ color: white;
+ text-align: center;
+}
+
+#salePrice{
+  font-family: 'Agency FB Bold', arial;
+  margin-top: -10px;
+}
+
+.adIphone {
+  color: white;
+  font-family: 'Antipasto Pro', sans-serif;
+  font-size: 28px;
+}
+
+#saleText{
+  color: red;
+  font-size: 35px;
+}
+
+#specialText{
+  font-size: 40px;
+  color: red;
+}
+
+.adIphone figure img{
+  text-align: justify-all;
+}
+
+.menu {
+  flex-grow: 1;
+}
+
+.menu a,
+.menu .active {  
+  font-family: 'Antipasto Pro', sans-serif;
+  display: block;
+  padding: 8px 10px;
+  color: white;
+  font-size: 22px;
+  text-decoration: none;
+}
+
+.menu .active {
+  color: #fff;
+  background-color: #ff3d00;
+  border-radius: 8px;
+}
+
+#siteName{
+  color: white;
+  font-family: 'Agency FB Bold', arial;
+  font-size: 36px;
+}
+
+#mainPage{
+  font-size: 27px;
+}
+
+#mainPage a{
+  font-family: 'Antipasto Pro', sans-serif;
+  color: white;
+  text-decoration: none;
+}
+div.colorBG{
+  background-color: #ffb84b;
+}
+
+.firstPart{
+   background-image: url(images/banner.png);
+   background-repeat: no-repeat;
+   background-size: 107%;
+}
+
+.firstPart figure {
+  margin-inline-start: 10px;
+  margin-block-start: 10px;
+}
+
+footer {
+  background-image: linear-gradient(to right, #ff8400 , #ffc156);
+}
+
+.socialMedia{
+  margin-right: 5px;
+  margin-left: auto;
+}
+
+.socialMedia figcaption{
+  font-family: 'Antipasto Pro', sans-serif;
+}
+.copyright {
+  margin-right: 10px;
+  flex-basis: 98%;
+  text-align: right;
+  color: white;
+  font-family: 'Agency FB', arial;
+}
+#weInSocial {
+  color: white;
+}
+
+.aboutUsFooter{
+  font-family: 'Antipasto Pro', sans-serif;
+}
+
+.aboutUsFooter a{
+  text-decoration: none;
+  color: white;
+}
+
+.aboutUsFooter li{
+  list-style-type: none;
+  margin: 7px 0;
+}
+
+.aboutUsText figcaption {
+  color: #ff8400;
+  font-family: 'Antipasto Pro', sans-serif;
+  font-size: 46px;
+}
+
+#loremIpsumText{
+  color: black;
+  font-size: 20px;
+  margin-right: 15%;
+  margin-left: 15%;
+}
+
+#leftColumn{
+  flex-direction: column;
+}
+
+#middleColumn{
+  flex-direction: column;
+}
+
+#rightColumn{
+  text-align: center;
+  display: flex;
+  flex-direction: column;
+}
+
+.item{
+  text-align: center;
+  font-family: Segoe UI;
+  font-weight: bold;
+  font-size: 18px;
+}
+
+.item figcaption{
+    color: black;
+}
+
+#Items {
+  columns: 3;
+  column-gap: 1em;
+}
+
+* {box-sizing: border-box;}
+form {
+  position: relative;
+  width: 400px;
+  margin-top: 20px;
+  margin-left: auto;
+  margin-right: auto;
+  background-image: linear-gradient(to right, #ff8400 , #ffc156);
+}
+input, button {
+  border: none;
+  outline: none;
+  background: transparent;
+}
+input {
+  height: 42px;
+}
+.searchbutton{
+  height: 42px;
+  width: 42px;
+  position: absolute;
+  top: 0;
+  right: 0;
+  cursor: pointer;
+}
+button .searchbutton:before {
+  font-family: FontAwesome;
+  font-size: 16px;
+  color: #F9F0DA;
+}
+
+.orders{
+  width: 1000px;
+  display: block;
+  float: none;
+  height: 350px;
+  background:  #ffc156;
+  border: 1px solid #C1C1C1; 
+  overflow: auto;
+}
+
+#activeOrders {
+  font-family: 'Antipasto Pro', sans-serif;
+  text-align: center;
+  font-size: 20px;
+  margin-top: 10px;
+  color: #c06300;
+}
+
+#listOfInf{
+  background-color: #ffc156;
+  height: 150px;
+  width: 900px;
+  vertical-align: center;
+  margin-top: 15px;
+  display: flex;
+}
+
+#listOfInf li{
+  color: #c06300;
+  list-style-type: none;
+  font-family: 'Antipasto Pro', sans-serif;
+  margin: 9px 0;
+}
+
+.orderItem{
+  display: flex;
+}
+
+.nameItem{
+  margin-top: 20px;
+  color: white;
+  font-family: 'Antipasto Pro', sans-serif;
+  margin-left: 0px;
+}
+
+.priceItem {
+  color: white;
+  font-family: 'Antipasto Pro', sans-serif;
+  margin-bottom: 30px;
+  margin-top: auto;
+  margin-right: 100px;
+  margin-left: auto;
+}
+
+.deleteItem button{
+  color: white;
+  width: auto;
+  height: 25px;
+  font-family: 'Antipasto Pro', sans-serif;
+  font-size: 16px;
+  position: relative;
+  left: 10%;
+  top: 73%;
+  transform: translate(-70%, 0);
+  background: #ff8400;
+  
+}
+
+.ordersCart{
+  margin-left: auto;
+  margin-right: auto;
+  margin-bottom: 30px;
+  margin-top: 30px;
+  width: 1000px;  
+  display: block;
+  float: none;
+  height: auto;
+  background:  #ffc156;
+  border: 1px solid #C1C1C1; 
+  overflow: auto;
+}
+
+.orderItems button{
+  color: white;
+  width: auto;
+  height: 40px;
+  font-family: 'Antipasto Pro', sans-serif;
+  font-size: 36px;
+  position: relative;
+  left: 85%;
+  top: 73%;
+  transform: translate(-70%, 0);
+  background: #ff8400;
+  margin-bottom: 50px;
+}
+
+/* change the link color */
+.navbar-custom .navbar-nav .nav-link {
+    color: white;
+    font-family: 'Antipasto Pro', sans-serif;
+}
+
+@media (max-width: 550px){
+  .nameItem{
+    font-size: 12px;
+  }
+  .deleteItem{
+    font-size: 12px;
+  }
+  .priceItem{
+    font-size: 12px;
+  }
+  .orderItem img{
+    height: 120px;
+    width: auto;
+  }
+  .orderItems button {
+    font-size: 16px;
+  }
+}
+@media(max-width: 500px){
+  header{
+    flex-direction: column;
+  }
+  #mainPage{
+    margin-top: 0px;
+  }
+  #leftPart a{
+    font-size: 12px;
+    text-align: left;
+    margin-top: 0;
+    padding-top: 0;
+  }
+  .logo img{
+    margin-top: 10px;
+    width: 35px;
+    height: 35px;
+    margin-top: 10px;
+    margin-bottom: 10px;
+  }
+  #siteName{
+    font-size: 14px;
+    margin-top: 24px !important; 
+  }
+  #profile li{
+    font-size: 6px !important;
+  }
+  #profile ul{
+    padding-left: 6px;
+  }
+  #activeOrders{
+    font-size: 8px !important; 
+  }
+  footer{
+    font-size: 8px !important;
+  }
+  .socialMedia img{
+    width: 20px;
+    height: 20px;
+  }
+  #Items {
+  columns: 1;
+  }
+  #textIphone{
+    font-size: 10px;
+  }
+  #specialText{
+    font-size: 12px;
+  }
+  #saleText{
+    font-size: 12px;
+  }
+  #salePrice{
+    font-size: 12px;
+    padding-top: 10px;
+  }
+}
+
+@media(max-width: 700px){
+  .firstPart img{
+    width:80px !important;
+    height: auto;
+  }
+  .firstPart figcaption{
+    font-size: 8px;
+  }
+  #textIphone{
+    font-size: 12px;
+  }
+  #specialText{
+    font-size: 14px;
+  }
+  #saleText{
+    font-size: 16px;
+  }
+  #salePrice{
+    font-size: 14px;
+  }
+}
+@media(max-width: 600px){
+  .firstPart img{
+    width:60px !important;
+    height: auto;
+  }
+  .firstPart figcaption{
+    font-size: 6px;
+  }
+}
+@media(max-width: 800px){
+  #profile li{
+    font-size: 12px;
+  }
+    #activeOrders{
+    font-size: 12px;
+  }
+  #avatar{
+    width: 110px;
+  }
+  #profile ul{
+    padding-left: 6px;
+  }
+  .socialMedia img{
+    width: 35px;
+    height: 35px;
+  }
+  .firstPart img{
+    width:90px;
+    height: auto;
+  }
+  .firstPart figcaption{
+    font-size: 10px;
+  }
+  footer{
+    font-size: 12px;
+  }
+  .navbar-toggler{
+    margin-top: 10px !important;
+  }
+  #Items {
+  columns: 1;
+  }
+}
+@media(max-width: 900px){
+  .firstPart img{
+    width:100px;
+    height: auto;
+  }
+  .firstPart figcaption{
+    font-size: 12px;
+  }
+}
+

front/vite.config.js

@@ -0,0 +1,7 @@
+import { defineConfig } from 'vite'
+import react from '@vitejs/plugin-react'
+
+// https://vitejs.dev/config/
+export default defineConfig({
+  plugins: [react()]
+})