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merge into: shadowik:master
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shadowik:master
shadowik:Lab6_mvc
shadowik:Lab6_Vue
shadowik:Lab5
shadowik:Lab6
shadowik:Lab4
shadowik:lab3
shadowik:Dev_Lab2
shadowik:Dev_Lab1
...
pull from: shadowik:Lab6_Vue
Branches Tags
shadowik:Lab6_mvc
shadowik:Lab6_Vue
shadowik:Lab5
shadowik:Lab6
shadowik:Lab4
shadowik:lab3
shadowik:Dev_Lab2
shadowik:Dev_Lab1
shadowik:master

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40
build.gradle
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@ -1,22 +1,46 @@
plugins {
id 'java'
id 'org.springframework.boot' version '3.0.2'
id 'io.spring.dependency-management' version '1.1.0'
id 'java'
id 'org.springframework.boot' version '3.0.4'
id 'io.spring.dependency-management' version '1.1.0'
}
group = 'com.example'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '17'
sourceCompatibility = '19'
repositories {
mavenCentral()
mavenCentral()
}
jar {
enabled = false
}
dependencies {
implementation 'org.springframework.boot:spring-boot-starter-web'
testImplementation 'org.springframework.boot:spring-boot-starter-test'
annotationProcessor "org.springframework.boot:spring-boot-configuration-processor"
implementation 'org.springframework.boot:spring-boot-starter-web'
implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
implementation 'org.springframework.boot:spring-boot-devtools'
implementation 'nz.net.ultraq.thymeleaf:thymeleaf-layout-dialect'
implementation 'org.webjars.npm:bootstrap:5.3.0-alpha2'
implementation 'org.webjars:jquery:3.6.0'
implementation 'org.webjars:font-awesome:6.1.0'
implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
implementation 'org.springframework.boot:spring-boot-starter-security'
implementation 'com.auth0:java-jwt:4.4.0'
implementation 'com.h2database:h2:2.1.210'
implementation 'org.hibernate.validator:hibernate-validator'
implementation 'org.springdoc:springdoc-openapi-ui:1.6.5'
implementation 'org.projectlombok:lombok:1.18.22'
testImplementation 'org.springframework.boot:spring-boot-starter-test'
}
tasks.named('test') {
useJUnitPlatform()
useJUnitPlatform()
}

2
gradle/wrapper/gradle-wrapper.properties vendored
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@ -1,5 +1,5 @@
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-7.6-bin.zip
distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.1-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

182
gradlew.bat vendored
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@ -1,91 +1,91 @@
@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@if "%DEBUG%"=="" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%"=="" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if %ERRORLEVEL% equ 0 goto execute
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
:end
@rem End local scope for the variables with windows NT shell
if %ERRORLEVEL% equ 0 goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
set EXIT_CODE=%ERRORLEVEL%
if %EXIT_CODE% equ 0 set EXIT_CODE=1
if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
exit /b %EXIT_CODE%
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega
@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@if "%DEBUG%"=="" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%"=="" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if %ERRORLEVEL% equ 0 goto execute
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
:end
@rem End local scope for the variables with windows NT shell
if %ERRORLEVEL% equ 0 goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
set EXIT_CODE=%ERRORLEVEL%
if %EXIT_CODE% equ 0 set EXIT_CODE=1
if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
exit /b %EXIT_CODE%
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

3
settings.gradle
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@ -1 +1,2 @@
rootProject.name = 'demo1'
rootProject.name = 'demo'
include 'front'

18
src/main/java/com/example/demo/Demo1Application.java
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@ -1,18 +0,0 @@
package com.example.demo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
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 Demo1Application {
public static void main(String[] args) {
SpringApplication.run(Demo1Application.class, args);
}
@GetMapping("/")
public String hello(@RequestParam(value = "name", defaultValue = "World") String name) {
return String.format("Hello %s!", name);
}
}

15
src/main/java/com/example/demo/DemoApplication.java Normal file
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@ -0,0 +1,15 @@
package com.example.demo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.RestController;
@SpringBootApplication
@RestController
public class DemoApplication {
public static void main(String[] args) {
SpringApplication.run(DemoApplication.class, args);
}
}

29
src/main/java/com/example/demo/configuration/OpenAPI30Configuration.java Normal file
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package com.example.demo.configuration;
import com.example.demo.configuration.jwt.JwtFilter;
import io.swagger.v3.oas.models.Components;
import io.swagger.v3.oas.models.OpenAPI;
import io.swagger.v3.oas.models.security.SecurityRequirement;
import io.swagger.v3.oas.models.security.SecurityScheme;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class OpenAPI30Configuration {
public static final String API_PREFIX = "/api/1.0";
@Bean
public OpenAPI customizeOpenAPI() {
final String securitySchemeName = JwtFilter.TOKEN_BEGIN_STR;
return new OpenAPI()
.addSecurityItem(new SecurityRequirement()
.addList(securitySchemeName))
.components(new Components()
.addSecuritySchemes(securitySchemeName, new SecurityScheme()
.name(securitySchemeName)
.type(SecurityScheme.Type.HTTP)
.scheme("bearer")
.bearerFormat("JWT")));
}
}

14
src/main/java/com/example/demo/configuration/PasswordEncoderConfiguration.java Normal file
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@ -0,0 +1,14 @@
package com.example.demo.configuration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
@Configuration
public class PasswordEncoderConfiguration {
@Bean
public PasswordEncoder passwordEncoder() {
return new BCryptPasswordEncoder();
}
}

93
src/main/java/com/example/demo/configuration/SecurityConfiguration.java Normal file
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@ -0,0 +1,93 @@
package com.example.demo.configuration;
import com.example.demo.configuration.jwt.JwtFilter;
import com.example.demo.master.MasterController;
import com.example.demo.master.MasterRole;
import com.example.demo.master.MasterService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpMethod;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityCustomizer;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
@Configuration
@EnableWebSecurity
@EnableMethodSecurity(
securedEnabled = true
)
public class SecurityConfiguration {
private final Logger log = LoggerFactory.getLogger(SecurityConfiguration.class);
public static final String SPA_URL_MASK = "/{path:[^\\.]*}";
private final MasterService masterService;
private final JwtFilter jwtFilter;
public SecurityConfiguration(MasterService masterService) {
this.masterService = masterService;
this.jwtFilter = new JwtFilter(masterService);
createAdminOnStartup();
}
private void createAdminOnStartup() {
final String admin = "admin";
if (masterService.findMaster(admin) == null) {
log.info("Admin user successfully created");
masterService.addMaster(admin, admin, admin, admin, MasterRole.ADMIN);
}
}
@Bean
public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
http.cors()
.and()
.csrf().disable()
.sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS)
.and()
.authorizeHttpRequests()
.requestMatchers("/", SPA_URL_MASK).permitAll()
.requestMatchers(HttpMethod.GET, OpenAPI30Configuration.API_PREFIX + "/product/").permitAll()
.requestMatchers(HttpMethod.POST, MasterController.URL_LOGIN).permitAll()
.requestMatchers(HttpMethod.POST, MasterController.URL_SING_UP).permitAll()
.requestMatchers(HttpMethod.POST, MasterController.URL_WHO_AM_I).permitAll()
.anyRequest()
.authenticated()
.and()
.addFilterBefore(jwtFilter, UsernamePasswordAuthenticationFilter.class)
.anonymous();
return http.build();
}
@Bean
public AuthenticationManager authenticationManagerBean(HttpSecurity http) throws Exception {
AuthenticationManagerBuilder authenticationManagerBuilder = http
.getSharedObject(AuthenticationManagerBuilder.class);
authenticationManagerBuilder.userDetailsService(masterService);
return authenticationManagerBuilder.build();
}
@Bean
public WebSecurityCustomizer webSecurityCustomizer() {
return (web) -> web.ignoring()
.requestMatchers(HttpMethod.OPTIONS, "/**")
.requestMatchers("/*.js")
.requestMatchers("/*.html")
.requestMatchers("/*.css")
.requestMatchers("/assets/**")
.requestMatchers("/favicon.ico")
.requestMatchers("/.js", "/.css")
.requestMatchers("/swagger-ui/index.html")
.requestMatchers("/webjars/**")
.requestMatchers("/swagger-resources/**")
.requestMatchers("/v3/api-docs/**")
.requestMatchers("/h2-console");
}
}

30
src/main/java/com/example/demo/configuration/WebConfiguration.java Normal file
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@ -0,0 +1,30 @@
package com.example.demo.configuration;
import org.springframework.boot.web.server.ErrorPage;
import org.springframework.boot.web.server.WebServerFactoryCustomizer;
import org.springframework.boot.web.servlet.server.ConfigurableServletWebServerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpStatus;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistration;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@Configuration
public class WebConfiguration implements WebMvcConfigurer {
@Override
public void addViewControllers(ViewControllerRegistry registry) {
registry.addViewController(SecurityConfiguration.SPA_URL_MASK).setViewName("forward:/");
registry.addViewController("/notFound").setViewName("forward:/");
}
@Bean
public WebServerFactoryCustomizer<ConfigurableServletWebServerFactory> containerCustomizer() {
return container -> container.addErrorPages(new ErrorPage(HttpStatus.NOT_FOUND, "/notFound"));
}
@Override
public void addCorsMappings(CorsRegistry registry) {
registry.addMapping("/**").allowedMethods("*");
}
}

11
src/main/java/com/example/demo/configuration/jwt/JwtException.java Normal file
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@ -0,0 +1,11 @@
package com.example.demo.configuration.jwt;
public class JwtException extends RuntimeException {
public JwtException(Throwable throwable) {
super(throwable);
}
public JwtException(String message) {
super(message);
}
}

72
src/main/java/com/example/demo/configuration/jwt/JwtFilter.java Normal file
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@ -0,0 +1,72 @@
package com.example.demo.configuration.jwt;
import com.example.demo.master.MasterService;
import com.fasterxml.jackson.databind.ObjectMapper;
import jakarta.servlet.FilterChain;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.http.MediaType;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.util.StringUtils;
import org.springframework.web.filter.GenericFilterBean;
import java.io.IOException;
public class JwtFilter extends GenericFilterBean {
private static final String AUTHORIZATION = "Authorization";
public static final String TOKEN_BEGIN_STR = "Bearer ";
private final MasterService masterService;
public JwtFilter(MasterService masterService) {
this.masterService = masterService;
}
private String getTokenFromRequest(HttpServletRequest request) {
String bearer = request.getHeader(AUTHORIZATION);
if (StringUtils.hasText(bearer) && bearer.startsWith(TOKEN_BEGIN_STR)) {
return bearer.substring(TOKEN_BEGIN_STR.length());
}
return null;
}
private void raiseException(ServletResponse response, int status, String message) throws IOException {
if (response instanceof final HttpServletResponse httpResponse) {
httpResponse.setContentType(MediaType.APPLICATION_JSON_VALUE);
httpResponse.setStatus(status);
final byte[] body = new ObjectMapper().writeValueAsBytes(message);
response.getOutputStream().write(body);
}
}
@Override
public void doFilter(ServletRequest request,
ServletResponse response,
FilterChain chain) throws IOException, ServletException {
if (request instanceof final HttpServletRequest httpRequest) {
final String token = getTokenFromRequest(httpRequest);
if (StringUtils.hasText(token)) {
try {
final UserDetails user = masterService.loadUserByToken(token);
final UsernamePasswordAuthenticationToken auth =
new UsernamePasswordAuthenticationToken(user, null, user.getAuthorities());
SecurityContextHolder.getContext().setAuthentication(auth);
} catch (JwtException e) {
raiseException(response, HttpServletResponse.SC_UNAUTHORIZED, e.getMessage());
return;
} catch (Exception e) {
e.printStackTrace();
raiseException(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
String.format("Internal error: %s", e.getMessage()));
return;
}
}
}
chain.doFilter(request, response);
}
}

27
src/main/java/com/example/demo/configuration/jwt/JwtProperties.java Normal file
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@ -0,0 +1,27 @@
package com.example.demo.configuration.jwt;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Configuration;
@Configuration
@ConfigurationProperties(prefix = "jwt", ignoreInvalidFields = true)
public class JwtProperties {
private String devToken = "";
private Boolean isDev = true;
public String getDevToken() {
return devToken;
}
public void setDevToken(String devToken) {
this.devToken = devToken;
}
public Boolean isDev() {
return isDev;
}
public void setDev(Boolean dev) {
isDev = dev;
}
}

107
src/main/java/com/example/demo/configuration/jwt/JwtProvider.java Normal file
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@ -0,0 +1,107 @@
package com.example.demo.configuration.jwt;
import com.auth0.jwt.JWT;
import com.auth0.jwt.algorithms.Algorithm;
import com.auth0.jwt.exceptions.JWTVerificationException;
import com.auth0.jwt.interfaces.DecodedJWT;
import com.auth0.jwt.interfaces.JWTVerifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.time.LocalDate;
import java.time.ZoneId;
import java.util.Date;
import java.util.Optional;
import java.util.UUID;
@Component
public class JwtProvider {
private final static Logger LOG = LoggerFactory.getLogger(JwtProvider.class);
private final static byte[] HEX_ARRAY = "0123456789ABCDEF".getBytes(StandardCharsets.US_ASCII);
private final static String ISSUER = "auth0";
private final Algorithm algorithm;
private final JWTVerifier verifier;
public JwtProvider(JwtProperties jwtProperties) {
if (!jwtProperties.isDev()) {
LOG.info("Generate new JWT key for prod");
try {
final MessageDigest salt = MessageDigest.getInstance("SHA-256");
salt.update(UUID.randomUUID().toString().getBytes(StandardCharsets.UTF_8));
LOG.info("Use generated JWT key for prod \n{}", bytesToHex(salt.digest()));
algorithm = Algorithm.HMAC256(bytesToHex(salt.digest()));
} catch (NoSuchAlgorithmException e) {
throw new JwtException(e);
}
} else {
LOG.info("Use default JWT key for dev \n{}", jwtProperties.getDevToken());
algorithm = Algorithm.HMAC256(jwtProperties.getDevToken());
}
verifier = JWT.require(algorithm)
.withIssuer(ISSUER)
.build();
}
private static String bytesToHex(byte[] bytes) {
byte[] hexChars = new byte[bytes.length * 2];
for (int j = 0; j < bytes.length; j++) {
int v = bytes[j] & 0xFF;
hexChars[j * 2] = HEX_ARRAY[v >>> 4];
hexChars[j * 2 + 1] = HEX_ARRAY[v & 0x0F];
}
return new String(hexChars, StandardCharsets.UTF_8);
}
public String generateToken(String login) {
final Date issueDate = Date.from(LocalDate.now()
.atStartOfDay(ZoneId.systemDefault())
.toInstant());
final Date expireDate = Date.from(LocalDate.now()
.plusDays(15)
.atStartOfDay(ZoneId.systemDefault())
.toInstant());
return JWT.create()
.withIssuer(ISSUER)
.withIssuedAt(issueDate)
.withExpiresAt(expireDate)
.withSubject(login)
.sign(algorithm);
}
private DecodedJWT validateToken(String token) {
try {
return verifier.verify(token);
} catch (JWTVerificationException e) {
throw new JwtException(String.format("Token verification error: %s", e.getMessage()));
}
}
public boolean isTokenValid(String token) {
if (!StringUtils.hasText(token)) {
return false;
}
try {
validateToken(token);
return true;
} catch (JwtException e) {
LOG.error(e.getMessage());
return false;
}
}
public Optional<String> getLoginFromToken(String token) {
try {
return Optional.ofNullable(validateToken(token).getSubject());
} catch (JwtException e) {
LOG.error(e.getMessage());
return Optional.empty();
}
}
}

100
src/main/java/com/example/demo/master/Master.java Normal file
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package com.example.demo.master;
import com.example.demo.master.MasterRole;
import jakarta.persistence.*;
import java.util.Objects;
@Entity
public class Master {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name="_id")
private Long id;
@Column()
private String firstName;
private String lastName;
private String email;
private String password;
private MasterRole role;
public Master() {
}
public Master(String firstName, String lastName, String email, String password, MasterRole role) {
this.firstName = firstName;
this.lastName = lastName;
this.email = email;
this.password = password;
this.role = role;
}
public Long getId() {
return id;
}
public String getFirstName() {
return firstName;
}
public String getLastName() {
return lastName;
}
public String getEmail() {return email; }
public String getPassword() { return password; }
public MasterRole getRole() {
return role;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public void setEmail(String email) {
this.email = email;
}
public void setPassword(String password) {
this.password = password;
}
public void setRole(MasterRole role) {
this.role = role;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Master master = (Master) o;
return Objects.equals(id, master.id);
}
@Override
public int hashCode() {
return Objects.hash(id);
}
@Override
public String toString() {
return "{" +
"\"id\":" + id +
", \"firstName\":\"" + firstName + '\"' +
", \"lastName\":\"" + lastName + '\"' +
", \"email\":\"" + email + '\"' +
", \"password\":\"" + password + '\"' +
", \"role\":\"" + role + "\"" +
'}';
}
}

74
src/main/java/com/example/demo/master/MasterController.java Normal file
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@ -0,0 +1,74 @@
package com.example.demo.master;
import com.example.demo.configuration.OpenAPI30Configuration;
import com.example.demo.order.Order;
import com.example.demo.order.OrderService;
import com.example.demo.util.validation.ValidationException;
import jakarta.validation.Valid;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.web.bind.annotation.*;
import java.io.Console;
import java.security.Principal;
import java.util.List;
@RestController
public class MasterController {
private final MasterService masterService;
private final OrderService orderService;
public static final String URL_LOGIN = "/jwt/login";
public static final String URL_SING_UP = "/sing_up";
public static final String URL_WHO_AM_I = "/who_am_i";
public MasterController(MasterService masterService, OrderService orderService) {
this.masterService = masterService;
this.orderService = orderService;
}
@PostMapping(URL_LOGIN)
public String login(@RequestBody @Valid MasterLoginDto userDto) {
return masterService.loginAndGetToken(userDto);
}
@PostMapping(URL_SING_UP)
public String singUp(@RequestBody MasterSignupDto masterSignupDto) {
try {
final Master master = masterService.addMaster(masterSignupDto.getFirstName(), masterSignupDto.getLastName(),
masterSignupDto.getEmail(), masterSignupDto.getPassword(), MasterRole.USER);
orderService.addOrder(master.getId());
return "created " + master.getEmail();
} catch (ValidationException e) {
return e.getMessage();
}
}
@GetMapping(URL_WHO_AM_I)
public String whoAmI(@RequestParam("token") String token) {
UserDetails userDetails = masterService.loadUserByToken(token);
Master master = masterService.findMaster(userDetails.getUsername());
return master.toString();
}
@PatchMapping(OpenAPI30Configuration.API_PREFIX + "/master")
public MasterDto updateMaster(@RequestParam("firstName") String firstName,
@RequestParam("lastName") String lastName,
@RequestParam("email") String email,
@RequestParam("password") String password,
@RequestParam("token") String token) {
UserDetails userDetails = masterService.loadUserByToken(token);
Master master = masterService.findMaster(userDetails.getUsername());
return new MasterDto(masterService.updateMaster(master.getId(),
firstName, lastName, email, password));
}
@DeleteMapping("/")
public MasterDto deleteMaster(@PathVariable Long id) {
return new MasterDto(masterService.deleteMaster(id));
}
@GetMapping(OpenAPI30Configuration.API_PREFIX + "/master/all")
public List<MasterDto> GetMasters(){
return masterService.findAllMasters().stream().map(MasterDto::new).toList();
}
}

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package com.example.demo.master;
import com.example.demo.order.Order;
import jakarta.validation.constraints.NotBlank;
import java.util.List;
public class MasterDto {
private final Long id;
private final String firstName;
private final String lastName;
@NotBlank
private final String email;
@NotBlank
private final String password;
public MasterDto(Master master) {
id = master.getId();
firstName = master.getFirstName();
lastName = master.getLastName();
email = master.getEmail();
password = master.getPassword();
}
public long getId() {
return id;
}
public String getFirstName() {
return firstName;
}
public String getLastName() {
return lastName;
}
public String getEmail() {return email; }
public String getPassword() { return password; }
}

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src/main/java/com/example/demo/master/MasterLoginDto.java Normal file
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package com.example.demo.master;
import jakarta.validation.constraints.NotBlank;
public class MasterLoginDto {
@NotBlank
private String email;
@NotBlank
private String password;
public String getEmail() {return email; }
public String getPassword() { return password; }
public void setEmail(String email) {
this.email = email;
}
public void setPassword(String password) {
this.password = password;
}
}

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src/main/java/com/example/demo/master/MasterNotFoundException.java Normal file
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package com.example.demo.master;
public class MasterNotFoundException extends RuntimeException {
public MasterNotFoundException(Long id) {
super(String.format("Master with id [%s] is not found", id));
}
public MasterNotFoundException(String email) {
super(String.format("Master with email [%s] is not found", email));
}
}

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src/main/java/com/example/demo/master/MasterRepository.java Normal file
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package com.example.demo.master;
import org.springframework.data.jpa.repository.JpaRepository;
import java.util.List;
import java.util.Optional;
public interface MasterRepository extends JpaRepository<Master, Long> {
Optional<Master> findByEmail(String email);
Master findOneByEmailIgnoreCase(String login);
}

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src/main/java/com/example/demo/master/MasterRole.java Normal file
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package com.example.demo.master;
import org.springframework.security.core.GrantedAuthority;
public enum MasterRole implements GrantedAuthority {
ADMIN,
USER;
private static final String PREFIX = "ROLE_";
@Override
public String getAuthority() {
return PREFIX + this.name();
}
public static final class AsString {
public static final String ADMIN = PREFIX + "ADMIN";
public static final String USER = PREFIX + "USER";
}
}

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package com.example.demo.master;
import com.example.demo.configuration.jwt.JwtException;
import com.example.demo.configuration.jwt.JwtProvider;
import com.example.demo.order.Order;
import com.example.demo.order.OrderController;
import com.example.demo.order.OrderService;
import com.example.demo.util.validation.ValidationException;
import com.example.demo.util.validation.ValidatorUtil;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
@Service
public class MasterService implements UserDetailsService {
private final MasterRepository masterRepository;
private final ValidatorUtil validatorUtil;
private final PasswordEncoder passwordEncoder;
private final JwtProvider jwtProvider;
public MasterService(MasterRepository masterRepository, ValidatorUtil validatorUtil,
PasswordEncoder passwordEncoder, JwtProvider jwtProvider) {
this.masterRepository = masterRepository;
this.validatorUtil = validatorUtil;
this.passwordEncoder = passwordEncoder;
this.jwtProvider = jwtProvider;
}
@Transactional
public Master addMaster(String firstName, String lastName, String email, String password, MasterRole role) {
final Master master = new Master(firstName, lastName, email, passwordEncoder.encode(password), role);
validatorUtil.validate(master);
return masterRepository.save(master);
}
@Transactional
public Master addMaster(String firstName, String lastName, String email, String password) {
final Master master = new Master(firstName, lastName, email, passwordEncoder.encode(password), MasterRole.USER);
validatorUtil.validate(master);
return masterRepository.save(master);
}
@Transactional(readOnly = true)
public Master findMaster(Long id) {
final Optional<Master> mater = masterRepository.findById(id);
return mater.orElseThrow(() -> new MasterNotFoundException(id));
}
@Transactional(readOnly = true)
public Master findMaster(String email, String password) {
final Optional<Master> master = masterRepository.findByEmail(email);
Master realMaster = master.orElseThrow(() -> new MasterNotFoundException(email));
if (!Objects.equals(realMaster.getPassword(), password)) {
throw new MasterNotFoundException(email);
}
return realMaster;
}
@Transactional(readOnly = true)
public Master findMaster(String email) {
return masterRepository.findOneByEmailIgnoreCase(email);
}
@Transactional(readOnly = true)
public List<Master> findAllMasters() {
return masterRepository.findAll();
}
@Transactional
public Master updateMaster(Long id, String firstName, String lastName, String email, String password) {
final Master master = findMaster(id);
master.setFirstName(firstName);
master.setLastName(lastName);
master.setEmail(email);
master.setPassword(password);
validatorUtil.validate(master);
return masterRepository.save(master);
}
@Transactional
public Master deleteMaster(Long id) {
final Master master = findMaster(id);
masterRepository.delete(master);
return master;
}
@Transactional
public void deleteAllMasters() {
masterRepository.deleteAll();
}
public String loginAndGetToken(MasterLoginDto userDto) {
final Master master = findMaster(userDto.getEmail());
if (master == null) {
throw new MasterNotFoundException(userDto.getEmail());
}
if (!passwordEncoder.matches(userDto.getPassword(), master.getPassword())) {
throw new ValidationException("Incorrect password");
}
return jwtProvider.generateToken(master.getEmail());
}
public UserDetails loadUserByToken(String token) throws UsernameNotFoundException {
if (!jwtProvider.isTokenValid(token)) {
throw new JwtException("Bad token");
}
final String userLogin = jwtProvider.getLoginFromToken(token)
.orElseThrow(() -> new JwtException("Token is not contain Login"));
return loadUserByUsername(userLogin);
}
@Override
public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
final Master userEntity = findMaster(username);
if (userEntity == null) {
throw new UsernameNotFoundException(username);
}
return new org.springframework.security.core.userdetails.User(
userEntity.getEmail(), userEntity.getPassword(), Collections.singleton(userEntity.getRole()));
}
}

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package com.example.demo.master;
public class MasterSignupDto {
private String firstName;
private String lastName;
private String email;
private String password;
public String getFirstName() {
return firstName;
}
public String getLastName() {
return lastName;
}
public String getEmail() {return email; }
public String getPassword() { return password; }
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public void setEmail(String email) {
this.email = email;
}
public void setPassword(String password) {
this.password = password;
}
}

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package com.example.demo.order;
import com.example.demo.master.Master;
import com.example.demo.product.Product;
import jakarta.persistence.*;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Objects;
@Entity
@Table(name = "Master_order")
public class Order {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name="_id")
private Long id;
@ManyToOne(fetch = FetchType.EAGER)
private Master master;
@ManyToMany(fetch = FetchType.LAZY, cascade = CascadeType.PERSIST)
@JoinTable(name = "order_products", joinColumns = {@JoinColumn(name = "order_id")}, inverseJoinColumns = {@JoinColumn(name = "product_id")})
private List<Product> products;
private OrderStatus status;
public Order() {
status = OrderStatus.Open;
}
public Long getId() {
return id;
}
public void buyProducts() {
for (var item: products) {
removeProduct(item);
}
}
public void addProduct(Product product) {
if (products == null)
products = new ArrayList<>();
products.add(product);
}
public void removeProduct(Product product) {
if (products == null)
products = new ArrayList<>();
products.remove(product);
}
public Master getMaster() {
return master;
}
public void setMaster(Master master) {
this.master = master;
}
public List<Product> getProducts() {
return products;
}
public OrderStatus getStatus() {return status;}
public void setStatus(OrderStatus status) {
this.status = status;
}
public void setProducts(List<Product> products) {
this.products = products;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Order order = (Order) o;
return Objects.equals(id, order.id);
}
@Override
public int hashCode() {
return Objects.hash(id);
}
@Override
public String toString() {
return "Order {" +
"id=" + id +
", master='" + master.toString() + '\'' +
", products='" + products.toString() + '\'';
}
}

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package com.example.demo.order;
import com.example.demo.configuration.OpenAPI30Configuration;
import com.example.demo.configuration.WebConfiguration;
import com.example.demo.master.Master;
import com.example.demo.master.MasterRole;
import com.example.demo.master.MasterService;
import org.springframework.security.access.annotation.Secured;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.web.bind.annotation.*;
import java.net.http.HttpHeaders;
import java.security.Principal;
import java.util.List;
@RestController
@RequestMapping(OpenAPI30Configuration.API_PREFIX + "/order")
public class OrderController {
private final OrderService orderService;
private final MasterService masterService;
public OrderController(OrderService orderService, MasterService masterService) {
this.orderService = orderService;
this.masterService = masterService;
}
@GetMapping("/")
public OrderDto getOrder(@RequestHeader("Authorization") String token) {
UserDetails userDetails = masterService.loadUserByToken(token.substring(7));
Master master = masterService.findMaster(userDetails.getUsername());
return new OrderDto(orderService.findOrder(master.getId()));
}
@DeleteMapping("/")
public void buyProducts(@RequestHeader("Authorization") String token) {
UserDetails userDetails = masterService.loadUserByToken(token.substring(7));
Master master = masterService.findMaster(userDetails.getUsername());
orderService.buyProducts(master.getId());
}
@GetMapping("/all")
public List<OrderDto> getOrder() {
return orderService.findAllOrders().stream().map(OrderDto::new).toList();
}
@PostMapping("/{product}")
public void addProduct(@PathVariable("product") Long productId, @RequestHeader("Authorization") String token) {
UserDetails userDetails = masterService.loadUserByToken(token.substring(7));
Master master = masterService.findMaster(userDetails.getUsername());
orderService.addProduct(master.getId(), productId);
}
@DeleteMapping("/{product}")
public void deleteProduct(@PathVariable("product") Long productId, @RequestHeader("Authorization") String token) {
UserDetails userDetails = masterService.loadUserByToken(token.substring(7));
Master master = masterService.findMaster(userDetails.getUsername());
orderService.deleteProduct(master.getId(), productId);
}
@GetMapping("/findOrders/{id}")
@Secured(MasterRole.AsString.ADMIN)
public List<OrderDto> findOrders(@PathVariable("id") Long id) {
return orderService.findMastersOrders(id).stream().map(OrderDto::new).toList();
}
}

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package com.example.demo.order;
import com.example.demo.master.Master;
import com.example.demo.product.Product;
import jakarta.validation.constraints.NotBlank;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
public class OrderDto {
private final Long id;
@NotBlank
private final Master master;
private final List<Product> products;
private final OrderStatus status;
private final int cost;
public OrderDto(Order order) {
id = order.getId();
master = order.getMaster();
products = order.getProducts();
status = order.getStatus();
int cost1 = 0;
for (var item : products) {
cost1 += item.getCost();
}
cost = cost1;
}
public long getId() {
return id;
}
public Master getMaster() {
return master;
}
public List<Product> getProducts() {
return products;
}
public OrderStatus getStatus() {
return status;
}
public int getCost() {
return cost;
}
}

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src/main/java/com/example/demo/order/OrderNotFoundException.java Normal file
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package com.example.demo.order;
public class OrderNotFoundException extends RuntimeException {
public OrderNotFoundException(Long id) {
super(String.format("Order with id [%s] is not found", id));
}
}

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src/main/java/com/example/demo/order/OrderRepository.java Normal file
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package com.example.demo.order;
import com.example.demo.master.Master;
import org.springframework.data.jpa.repository.JpaRepository;
import java.util.List;
import java.util.Optional;
public interface OrderRepository extends JpaRepository<Order, Long> {
Optional<Order> findByMasterAndStatus(Master master, OrderStatus status);
List<Order> findByMaster(Master master);
}

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src/main/java/com/example/demo/order/OrderService.java Normal file
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package com.example.demo.order;
import com.example.demo.master.MasterService;
import com.example.demo.product.*;
import com.example.demo.util.validation.ValidatorUtil;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.ArrayList;
import java.util.List;
@Service
public class OrderService {
private final OrderRepository orderRepository;
private final ProductService productService;
private final MasterService masterService;
private final ValidatorUtil validatorUtil;
public OrderService(OrderRepository orderRepository, ProductService productService,
MasterService masterService, ValidatorUtil validatorUtil) {
this.orderRepository = orderRepository;
this.productService = productService;
this.masterService = masterService;
this.validatorUtil = validatorUtil;
}
@Transactional
public Order addOrder(Long masterId) {
final Order order = new Order();
order.setMaster(masterService.findMaster(masterId));
validatorUtil.validate(order);
return orderRepository.save(order);
}
@Transactional
public void addProduct(Long masterId, Long productId) {
final Order order = findOrder(masterId);
final Product product = productService.findProduct(productId);
order.addProduct(product); var products = new ArrayList<Product>();
product.setOrder(order);
product.setAvailable(Status.Ordered);
orderRepository.save(order);
}
@Transactional
public void buyProducts(Long masterId) {
final Order order = findOrder(masterId);
for (var item: order.getProducts()) {
item.setAvailable(Status.Bought);
}
order.setStatus(OrderStatus.Closed);
orderRepository.save(order);
addOrder(masterId);
}
@Transactional
public void deleteProduct(Long masterId, Long productId) {
final Order order = findOrder(masterId);
final Product product = productService.findProduct(productId);
order.removeProduct(product);
product.removeOrder(order);
product.setAvailable(Status.Availible);
orderRepository.save(order);
}
@Transactional()
public Order findOrder(Long masterId) {
return orderRepository.findByMasterAndStatus(masterService.findMaster(masterId), OrderStatus.Open).orElseThrow(
() -> new OrderNotFoundException(masterId));
}
@Transactional(readOnly = true)
public List<Order> findAllOrders() {
return orderRepository.findAll();
}
@Transactional
public Order deleteOrder(Long id) {
final Order order = findOrder(id);
order.setStatus(OrderStatus.Closed);
orderRepository.save(order);
return addOrder(id);
}
@Transactional
public void deleteAllOrders() {
orderRepository.deleteAll();
}
@Transactional
public List<Order> findMastersOrders(Long masterId) {
return orderRepository.findByMaster(masterService.findMaster(masterId));
}
}

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src/main/java/com/example/demo/order/OrderStatus.java Normal file
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package com.example.demo.order;
public enum OrderStatus {
Open,
Closed
}

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src/main/java/com/example/demo/product/Product.java Normal file
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package com.example.demo.product;
import com.example.demo.master.Master;
import com.example.demo.order.Order;
import com.fasterxml.jackson.annotation.JsonIgnore;
import jakarta.persistence.*;
import java.util.List;
import java.util.Objects;
@Entity
public class Product {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name="_id")
private Long id;
@Column()
private String name;
private Integer cost;
@ManyToMany(fetch = FetchType.LAZY)
@JsonIgnore
private List<Order> mastersOrders;
@ManyToOne(fetch = FetchType.EAGER)
private Master master;
private Status status;
public Product() {
}
public Product(String name, Integer cost) {
this.name = name;
this.cost = cost;
this.status = Status.Availible;
}
public Long getId() {
return id;
}
public String getName() {
return name;
}
public void setName(String _name) {
this.name = _name;
}
public Integer getCost() {
return cost;
}
public void setCost(Integer cost) {
this.cost = cost;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Product product = (Product) o;
return Objects.equals(id, product.id);
}
@Override
public int hashCode() {
return Objects.hash(id);
}
@Override
public String toString() {
return "Product {" +
"id=" + id +
", name='" + name + '\'' +
", cost='" + cost.toString() + '\'' +
", master='" + master.toString() + '\'' +
'}';
}
public Master getMaster() {
return master;
}
public void setMaster(Master master) {
this.master = master;
}
public List<Order> getOrders() {
return mastersOrders;
}
public void setOrder(Order order) {
if (!order.getProducts().contains(this)) {
order.getProducts().add(this);
}
}
public void removeOrder(Order order) {
order.getProducts().remove(this);
}
public Status getAvailable() {
return this.status;
}
public void setAvailable(Status status) {
this.status = status;
}
}

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package com.example.demo.product;
import com.example.demo.configuration.OpenAPI30Configuration;
import com.example.demo.configuration.WebConfiguration;
import com.example.demo.master.Master;
import com.example.demo.master.MasterService;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.web.bind.annotation.*;
import java.util.List;
@RestController
@RequestMapping(OpenAPI30Configuration.API_PREFIX + "/product")
public class ProductController {
private final ProductService productService;
private final MasterService masterService;
public ProductController(ProductService productService, MasterService masterService) {
this.productService = productService;
this.masterService = masterService;
}
@GetMapping("/{id}")
public ProductDto getProduct(@PathVariable Long id) {
return new ProductDto(productService.findProduct(id));
}
@GetMapping("/")
public List<ProductDto> getProduct() {
return productService.findAllProducts().stream().map(ProductDto::new).toList();
}
@GetMapping("/master")
public List<ProductDto> getMasterProduct(@RequestHeader("Authorization") String token) {
UserDetails userDetails = masterService.loadUserByToken(token.substring(7));
Master master = masterService.findMaster(userDetails.getUsername());
return productService.findProducts(master.getId()).stream().map(ProductDto::new).toList();
}
@PostMapping("/{name}/{cost}")
public ProductDto createProduct(@PathVariable("name") String name,
@PathVariable("cost") Integer cost,
@RequestHeader("Authorization") String token) {
UserDetails userDetails = masterService.loadUserByToken(token.substring(7));
Master master = masterService.findMaster(userDetails.getUsername());
return new ProductDto(productService.addProduct(name, cost, master.getId()));
}
@PatchMapping("/{id}")
public ProductDto updateProduct(@PathVariable Long id,
@RequestParam("name") String name,
@RequestParam("cost") Integer cost) {
return new ProductDto(productService.updateProduct(id, name, cost));
}
@DeleteMapping("/{id}")
public ProductDto deleteProduct(@PathVariable Long id) {
return new ProductDto(productService.deleteProduct(id));
}
}

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package com.example.demo.product;
import com.example.demo.master.Master;
import com.example.demo.order.Order;
import jakarta.validation.constraints.Min;
import jakarta.validation.constraints.NotBlank;
import java.util.List;
public class ProductDto {
private final long id;
@NotBlank
private final String name;
@Min(1)
private final int cost;
private final List<Order> orders;
@NotBlank
private final Master master;
@NotBlank
private final Status status;
public ProductDto(Product product) {
id = product.getId();
name = product.getName();
cost = product.getCost();
orders = product.getOrders();
master = product.getMaster();
status = product.getAvailable();
}
public long getId() {
return id;
}
public String getName() {
return name;
}
public Integer getCost() {
return cost;
}
public List<Order> getOrders() {
return orders;
}
public Master getMaster() {
return master;
}
public Status getStatus() {
return status;
}
}

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package com.example.demo.product;
public class ProductNotFoundException extends RuntimeException {
public ProductNotFoundException(Long id) {
super(String.format("Product with id [%s] is not found", id));
}
}

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src/main/java/com/example/demo/product/ProductRepository.java Normal file
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package com.example.demo.product;
import com.example.demo.master.Master;
import org.springframework.data.jpa.repository.JpaRepository;
import java.util.List;
import java.util.Optional;
public interface ProductRepository extends JpaRepository<Product, Long> {
List<Product> findByMaster(Master master);
List<Product> findByStatus(Status status);
}

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package com.example.demo.product;
import com.example.demo.master.*;
import com.example.demo.util.validation.ValidatorUtil;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;
import java.util.Optional;
@Service
public class ProductService {
private final ProductRepository productRepository;
private final ValidatorUtil validatorUtil;
private final MasterService masterService;
public ProductService(ProductRepository productRepository, MasterService masterService, ValidatorUtil validatorUtil) {
this.productRepository = productRepository;
this.validatorUtil = validatorUtil;
this.masterService = masterService;
}
@Transactional
public Product addProduct(String name, Integer cost, Long masterId) {
final Product product = new Product(name, cost);
validatorUtil.validate(product);
product.setMaster(masterService.findMaster(masterId));
return productRepository.save(product);
}
@Transactional(readOnly = true)
public Product findProduct(Long id) {
final Optional<Product> product = productRepository.findById(id);
return product.orElseThrow(() -> new ProductNotFoundException(id));
}
@Transactional(readOnly = true)
public List<Product> findProducts(Long masterId) {
List<Product> products = productRepository.findByMaster(masterService.findMaster(masterId));
return products.stream().filter((item) -> item.getAvailable() != Status.Bought).toList();
}
@Transactional(readOnly = true)
public List<Product> findAllProducts() {
return productRepository.findByStatus(Status.Availible);
}
@Transactional
public Product updateProduct(Long id, String name, Integer cost) {
final Product product = findProduct(id);
product.setName(name);
product.setCost(cost);
validatorUtil.validate(product);
return productRepository.save(product);
}
@Transactional
public Product deleteProduct(Long id) {
final Product product = findProduct(id);
productRepository.delete(product);
return product;
}
@Transactional
public void deleteAllProducts() {
productRepository.deleteAll();
}
}

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src/main/java/com/example/demo/product/Status.java Normal file
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package com.example.demo.product;
public enum Status {
Availible,
Ordered,
Bought
}

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src/main/java/com/example/demo/util/error/AdviceController.java Normal file
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package com.example.demo.util.error;
import com.example.demo.master.MasterNotFoundException;
import com.example.demo.order.Order;
import com.example.demo.order.OrderNotFoundException;
import com.example.demo.product.ProductNotFoundException;
import com.example.demo.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;
import java.util.stream.Collectors;
@ControllerAdvice
public class AdviceController {
@ExceptionHandler({
MasterNotFoundException.class,
ProductNotFoundException.class,
OrderNotFoundException.class,
ValidationException.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);
}
}

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package com.example.demo.util.validation;
import java.util.Set;
public class ValidationException extends RuntimeException {
public ValidationException(Set<String> errors) {
super(String.join("\n", errors));
}
public <T> ValidationException(String error) {
super(error);
}
}

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src/main/java/com/example/demo/util/validation/ValidatorUtil.java Normal file
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package com.example.demo.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()));
}
}
}

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src/main/resources/application.properties
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server.port=8080
spring.datasource.url=jdbc:h2:file:./data
spring.datasource.driverClassName=org.h2.Driver
spring.datasource.username=sa
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
jwt.dev-token=my-secret-jwt
jwt.dev=true

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body {
background: #f54d9a;
}
.logo {
background: #FF9CCE;
}
main {
padding: 2%;
margin: 10% 5%;
}
main img {
width: 100%;
object-fit: cover;
}
form {
padding: 1%;
}
.product-div {
background: #e874ac;
}

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src/test/java/com/example/demo/Demo1ApplicationTests.java
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package com.example.demo;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
@SpringBootTest
class Demo1ApplicationTests {
@Test
void contextLoads() {
}
}

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//package com.example.demo;
//
//import jakarta.persistence.EntityNotFoundException;
//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;
//import com.example.demo.order.*;
//import com.example.demo.master.*;
//import com.example.demo.product.*;
//
//import java.util.List;
//
//@SpringBootTest
//class DemoApplicationTests {
//
// @Autowired
// private MasterService masterService;
// @Autowired
// private ProductService productService;
// @Autowired
// private OrderService orderService;
//
// @Test
// void testOrder() {
// productService.deleteAllProducts();
// orderService.deleteAllOrders();
// masterService.deleteAllMasters();
//
// final Product product1 = productService.addProduct("Машинка", 300);
// final Product product2 = productService.addProduct("Ключ", 200);
//
// final Master master1 = masterService.addMaster("Кирилл", "Петрович");
//
// final Order order0 = orderService.addOrder(masterService.findMaster(master1.getId()));
// final Order order1 = orderService.findOrder(order0.getId());
// Assertions.assertEquals(order0, order1);
//
// Assertions.assertEquals(masterService
// .findMaster(master1.getId()).getOrders().size(), 1);
// orderService.deleteAllOrders();
// Assertions.assertThrows(EntityNotFoundException.class, () -> orderService.findOrder(-1L));
// final Master customer2 = masterService.addMaster("Александр", "Игоревич");
// final Order order2 = orderService
// .addOrder(masterService.findMaster(customer2.getId()));
// orderService.addProduct(order2.getId(), product1);
// orderService.addProduct(order2.getId(), product1);
// orderService.deleteProductsInOrder(order2.getId(), product1);
//
// Assertions.assertEquals(orderService
// .findOrder(order2.getId()).getProducts().size(), 1);
// masterService.deleteMaster(customer2.getId());
// Assertions.assertThrows(EntityNotFoundException.class, () -> masterService.findMaster(customer2.getId()));
// Assertions.assertThrows(EntityNotFoundException.class, () -> orderService.findOrder(order2.getId()));
// Assertions.assertEquals(orderService.findAllOrders().size(), 0);
// }
//
// @Test()
// void testMaster() {
// masterService.deleteAllMasters();
// final Master customer = masterService.addMaster("Иван", "Иванов");
// Assertions.assertNotNull(customer.getId());
//
// masterService.deleteAllMasters();
// final Master customer1 = masterService.addMaster("Иван", "Иванов");
// final Master findMaster = masterService.findMaster(customer1.getId());
// Assertions.assertEquals(customer1, findMaster);
//
// masterService.deleteAllMasters();
// Assertions.assertThrows(EntityNotFoundException.class, () -> masterService.findMaster(-1L));
//
// masterService.deleteAllMasters();
// masterService.addMaster("Иван", "Иванов");
// masterService.addMaster("Петр", "Петров");
// final List<Master> customers1 = masterService.findAllMasters();
// Assertions.assertEquals(customers1.size(), 2);
//
// masterService.deleteAllMasters();
// final List<Master> customers2 = masterService.findAllMasters();
//
// Assertions.assertEquals(customers2.size(), 0);
// }
//
// @Test
// void testProduct() {
// productService.deleteAllProducts();
// final Product ticket1 = productService.addProduct("Руно", 100);
// Assertions.assertNotNull(ticket1.getId());
//
// productService.deleteAllProducts();
// final Product ticket2 = productService.addProduct("Шоколад", 100);
// final Product findProduct = productService.findProduct(ticket2.getId());
// Assertions.assertEquals(ticket2, findProduct);
//
// productService.deleteAllProducts();
// Assertions.assertThrows(EntityNotFoundException.class, () -> productService.findProduct(-1L));
//
// productService.deleteAllProducts();
// productService.addProduct("Автомобиль", 100);
// productService.addProduct("Мячик", 100);
// final List<Product> tickets1 = productService.findAllProducts();
// Assertions.assertEquals(tickets1.size(), 2);
//
// productService.deleteAllProducts();
// final List<Product> tickets2 = productService.findAllProducts();
// Assertions.assertEquals(tickets2.size(), 0);
// }
//
// @Test
// void testCommand() {
// productService.deleteAllProducts();
// orderService.deleteAllOrders();
// masterService.deleteAllMasters();
//
// final Product product1 = productService.addProduct("Машинка", 300);
// final Product product2 = productService.addProduct("Ключ", 200);
//
// final Master master1 = masterService.addMaster("Кирилл", "Петрович");
// final Master master2 = masterService.addMaster("Александр", "Камугович");
//
// final Order order0 = orderService.addOrder(masterService.findMaster(master1.getId()));
// final Order order1 = orderService.addOrder(masterService.findMaster(master2.getId()));
// final Order order2 = orderService.addOrder(masterService.findMaster(master2.getId()));
// orderService.addProduct(order0.getId(), product1);
// orderService.addProduct(order1.getId(), product1);
// orderService.addProduct(order2.getId(), product1);
//
// Assertions.assertTrue(orderService.findOrdersWithProduct(master1.getId(), product1).contains(order0));
// Assertions.assertTrue(orderService.findOrdersWithProduct(master1.getId(), product2).isEmpty());
// Assertions.assertTrue(orderService.findOrdersWithProduct(master2.getId(), product1).contains(order1)
// && orderService.findOrdersWithProduct(master2.getId(), product1).contains(order2));
// }
//}

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spring.datasource.url=jdbc:h2:mem:testdb
spring.datasource.driverClassName=org.h2.Driver
spring.datasource.username=sa
spring.datasource.password=password
spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
spring.jpa.hibernate.ddl-auto=create-drop