Zakharov_Rostislav/internet_programming
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lab3

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Zakharov_Rostislav
2025-03-18 16:35:07 +04:00
parent 17be9a789d
commit 52fbb51aef
53 changed files with 1423 additions and 564 deletions
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2
.gitignore vendored
View File

@@ -32,3 +32,5 @@ out/
/dist/
/nbdist/
/.nb-gradle/
data.*.db

4
.vscode/extensions.json vendored
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@@ -1,5 +1,9 @@
{
"recommendations": [
// fronted
"AndersEAndersen.html-class-suggestions",
"dbaeumer.vscode-eslint",
// backend
"vscjava.vscode-java-pack",
"vmware.vscode-boot-dev-pack",
"vscjava.vscode-gradle",

2
.vscode/launch.json vendored
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@@ -6,7 +6,7 @@
"request": "launch",
"cwd": "${workspaceFolder}",
"mainClass": "com.example.demo.DemoApplication",
"projectName": "demo-internet_programming_example",
"projectName": "lec3",
"args": "--populate",
"envFile": "${workspaceFolder}/.env"
}

5
.vscode/settings.json vendored
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@@ -1,13 +1,14 @@
{
"editor.tabSize": 4,
"editor.detectIndentation": false,
"editor.insertSpaces": true,
"editor.formatOnPaste": true,
"editor.formatOnSave": true,
"editor.formatOnType": false,
"java.compile.nullAnalysis.mode": "automatic",
"java.compile.nullAnalysis.mode": "disabled",
"java.configuration.updateBuildConfiguration": "automatic",
"[java]": {
"editor.pasteAs.enabled": false
"editor.pasteAs.enabled": false,
},
"gradle.nestedProjects": true,
"java.saveActions.organizeImports": true,

16
build.gradle
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@@ -1,12 +1,23 @@
plugins {
id 'java'
id 'org.springframework.boot' version '3.2.3'
id 'org.springframework.boot' version '3.2.4'
id 'io.spring.dependency-management' version '1.1.4'
}
group = 'com.example'
version = '0.0.1-SNAPSHOT'
defaultTasks 'bootRun'
jar {
enabled = false
}
bootJar {
archiveFileName = String.format('%s-%s.jar', rootProject.name, version)
}
assert System.properties['java.specification.version'] == '17' || '21'
java {
sourceCompatibility = '17'
}
@@ -21,6 +32,9 @@ dependencies {
implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.3.0'
implementation 'org.modelmapper:modelmapper:3.2.0'
implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
implementation 'com.h2database:h2:2.2.224'
testImplementation 'org.springframework.boot:spring-boot-starter-test'
}

62
index.html
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@@ -1,62 +0,0 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<p id="out">Push the button</p>
<input id="name"/>
<br/>
<button onclick="get()">Get</button>
<br/>
<button onclick="getTest()">Get Test</button>
<br/>
<button onclick="post()">Post</button>
<br/>
<button onclick="put()">Put</button>
</body>
<script>
const url = "http://localhost:8080/api";
const out = document.getElementById("out");
const name = document.getElementById("name");
const get = async () => {
const res = await fetch(`${url}?name=${name.value}`);
const text = await res.text();
out.innerText = text;
}
const getTest = async () => {
const res = await fetch(`${url}/test`);
const text = await res.text();
out.innerText = text;
}
const post = async () => {
if (!name.value) {
alert("Name is required");
return;
}
const res = await fetch(url, {
method: 'post',
headers: {'Content-Type': 'application/json'},
body: name.value
});
const text = await res.text();
out.innerText = text;
}
const put = async () => {
if (!name.value) {
alert("Name is required");
return;
}
const res = await fetch(`${url}/${name.value}`, {
method: 'put',
headers: {'Content-Type': 'application/json'},
body: name.value
});
// JSON.stringify()
const text = await res.text();
out.innerText = text;
}
</script>
</html>

18
readme.md Normal file
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@@ -0,0 +1,18 @@
Swagger UI: \
http://localhost:8080/swagger-ui/index.html
H2 Console: \
http://localhost:8080/h2-console
JDBC URL: jdbc:h2:file:./data \
User Name: sa \
Password: password
Почитать:
- Односторонние и двусторонние связи https://www.baeldung.com/jpa-hibernate-associations
- Getters и Setters для двусторонних связей https://en.wikibooks.org/wiki/Java_Persistence/OneToMany#Getters_and_Setters
- Многие-ко-многим с доп. атрибутами https://thorben-janssen.com/hibernate-tip-many-to-many-association-with-additional-attributes/
- Многие-ко-многим с доп. атрибутами https://www.baeldung.com/jpa-many-to-many
- Каскадное удаление сущностей со связями многие-ко-многим https://www.baeldung.com/jpa-remove-entity-many-to-many
- Выбор типа коллекции для отношений вида ко-многим в JPA https://thorben-janssen.com/association-mappings-bag-list-set/

58
src/main/java/com/example/demo/DemoApplication.java
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@@ -1,5 +1,6 @@
package com.example.demo;
import java.util.List;
import java.util.Objects;
import org.slf4j.Logger;
@@ -8,21 +9,33 @@ import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import com.example.demo.items.model.ItemEntity;
import com.example.demo.items.service.ItemService;
import com.example.demo.orders.model.OrderEntity;
import com.example.demo.orders.service.OrderService;
import com.example.demo.subscriptions.model.SubscriptionEntity;
import com.example.demo.subscriptions.service.SubscriptionService;
import com.example.demo.types.model.TypeEntity;
import com.example.demo.types.service.TypeService;
import com.example.demo.users.model.UserEntity;
import com.example.demo.users.service.UserService;
@SpringBootApplication
public class DemoApplication implements CommandLineRunner {
private final Logger log = LoggerFactory.getLogger(DemoApplication.class);
private final TypeService typeService;
private final ItemService itemService;
private final SubscriptionService subscriptionService;
private final UserService userService;
private final OrderService orderService;
public DemoApplication(TypeService typeService, ItemService itemService) {
public DemoApplication(
TypeService typeService,
SubscriptionService subscriptionService,
UserService userService,
OrderService orderService) {
this.typeService = typeService;
this.itemService = itemService;
this.subscriptionService = subscriptionService;
this.userService = userService;
this.orderService = orderService;
}
public static void main(String[] args) {
@@ -32,19 +45,30 @@ public class DemoApplication implements CommandLineRunner {
@Override
public void run(String... args) throws Exception {
if (args.length > 0 && Objects.equals("--populate", args[0])) {
log.info("Create default types values");
final var type1 = typeService.create(new TypeEntity(null, "Ноутбук"));
final var type2 = typeService.create(new TypeEntity(null, "Телефон"));
final var type3 = typeService.create(new TypeEntity(null, "Игровая приставка"));
log.info("Create default type values");
final var type1 = typeService.create(new TypeEntity("Ноутбук"));
final var type2 = typeService.create(new TypeEntity("Телефон"));
final var type3 = typeService.create(new TypeEntity("Игровая приставка"));
log.info("Create default items values");
itemService.create(new ItemEntity(null, type1, 49999.00, 20));
itemService.create(new ItemEntity(null, type1, 129999.00, 3));
itemService.create(new ItemEntity(null, type2, 15450.50, 30));
itemService.create(new ItemEntity(null, type2, 69900.50, 10));
itemService.create(new ItemEntity(null, type2, 150000.00, 6));
itemService.create(new ItemEntity(null, type3, 75000.00, 6));
itemService.create(new ItemEntity(null, type3, 67800.00, 3));
log.info("Create default subscription values");
subscriptionService.create(new SubscriptionEntity("Подписка 1"));
subscriptionService.create(new SubscriptionEntity("Подписка 2"));
subscriptionService.create(new SubscriptionEntity("Подписка 3"));
log.info("Create default user values");
final var user1 = userService.create(new UserEntity("user1"));
userService.create(new UserEntity("user2"));
log.info("Create default order values");
final var orders = List.of(
new OrderEntity(type1, 49999.00, 20),
new OrderEntity(type1, 129999.00, 3),
new OrderEntity(type2, 15450.50, 30),
new OrderEntity(type2, 69900.50, 10),
new OrderEntity(type2, 150000.00, 6),
new OrderEntity(type3, 75000.00, 6),
new OrderEntity(type3, 67800.00, 3));
orders.forEach(order -> orderService.create(user1.getId(), order));
}
}
}

2
src/main/java/com/example/demo/core/configuration/Constants.java
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@@ -1,6 +1,8 @@
package com.example.demo.core.configuration;
public class Constants {
public static final String SEQUENCE_NAME = "hibernate_sequence";
public static final String API_URL = "/api/1.0";
private Constants() {

4
src/main/java/com/example/demo/core/error/NotFoundException.java
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@@ -1,7 +1,7 @@
package com.example.demo.core.error;
public class NotFoundException extends RuntimeException {
public NotFoundException(Long id) {
super(String.format("Entity with id [%s] is not found or not exists", id));
public <T> NotFoundException(Class<T> clazz, Long id) {
super(String.format("%s with id [%s] is not found or not exists", clazz.getSimpleName(), id));
}
}

16
src/main/java/com/example/demo/core/model/BaseEntity.java
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@@ -1,15 +1,23 @@
package com.example.demo.core.model;
import com.example.demo.core.configuration.Constants;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import jakarta.persistence.MappedSuperclass;
import jakarta.persistence.SequenceGenerator;
@MappedSuperclass
public abstract class BaseEntity {
@Id
@GeneratedValue(strategy = GenerationType.SEQUENCE, generator = Constants.SEQUENCE_NAME)
@SequenceGenerator(name = Constants.SEQUENCE_NAME, sequenceName = Constants.SEQUENCE_NAME, allocationSize = 1)
protected Long id;
protected BaseEntity() {
}
protected BaseEntity(Long id) {
this.id = id;
}
public Long getId() {
return id;
}

17
src/main/java/com/example/demo/core/repository/CommonRepository.java
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@@ -1,17 +0,0 @@
package com.example.demo.core.repository;
import java.util.List;
public interface CommonRepository<E, T> {
List<E> getAll();
E get(T id);
E create(E entity);
E update(E entity);
E delete(E entity);
void deleteAll();
}

57
src/main/java/com/example/demo/core/repository/MapRepository.java
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@@ -1,57 +0,0 @@
package com.example.demo.core.repository;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import com.example.demo.core.model.BaseEntity;
public abstract class MapRepository<E extends BaseEntity> implements CommonRepository<E, Long> {
private final Map<Long, E> entities = new TreeMap<>();
private Long lastId = 0L;
protected MapRepository() {
}
@Override
public List<E> getAll() {
return entities.values().stream().toList();
}
@Override
public E get(Long id) {
return entities.get(id);
}
@Override
public E create(E entity) {
lastId++;
entity.setId(lastId);
entities.put(lastId, entity);
return entity;
}
@Override
public E update(E entity) {
if (get(entity.getId()) == null) {
return null;
}
entities.put(entity.getId(), entity);
return entity;
}
@Override
public E delete(E entity) {
if (get(entity.getId()) == null) {
return null;
}
entities.remove(entity.getId());
return entity;
}
@Override
public void deleteAll() {
lastId = 0L;
entities.clear();
}
}

70
src/main/java/com/example/demo/items/api/ItemController.java
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@@ -1,70 +0,0 @@
package com.example.demo.items.api;
import java.util.List;
import org.modelmapper.ModelMapper;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import com.example.demo.core.configuration.Constants;
import com.example.demo.items.model.ItemEntity;
import com.example.demo.items.service.ItemService;
import com.example.demo.types.service.TypeService;
import jakarta.validation.Valid;
@RestController
@RequestMapping(Constants.API_URL + "/item")
public class ItemController {
private final ItemService itemService;
private final TypeService typeService;
private final ModelMapper modelMapper;
public ItemController(ItemService itemService, TypeService typeService, ModelMapper modelMapper) {
this.itemService = itemService;
this.typeService = typeService;
this.modelMapper = modelMapper;
}
private ItemDto toDto(ItemEntity entity) {
return modelMapper.map(entity, ItemDto.class);
}
private ItemEntity toEntity(ItemDto dto) {
final ItemEntity entity = modelMapper.map(dto, ItemEntity.class);
entity.setType(typeService.get(dto.getTypeId()));
return entity;
}
@GetMapping
public List<ItemDto> getAll(@RequestParam(name = "typeId", defaultValue = "0") Long typeId) {
return itemService.getAll(typeId).stream().map(this::toDto).toList();
}
@GetMapping("/{id}")
public ItemDto get(@PathVariable(name = "id") Long id) {
return toDto(itemService.get(id));
}
@PostMapping
public ItemDto create(@RequestBody @Valid ItemDto dto) {
return toDto(itemService.create(toEntity(dto)));
}
@PutMapping("/{id}")
public ItemDto update(@PathVariable(name = "id") Long id, @RequestBody ItemDto dto) {
return toDto(itemService.update(id, toEntity(dto)));
}
@DeleteMapping("/{id}")
public ItemDto delete(@PathVariable(name = "id") Long id) {
return toDto(itemService.delete(id));
}
}

10
src/main/java/com/example/demo/items/repository/ItemRepository.java
View File

@@ -1,10 +0,0 @@
package com.example.demo.items.repository;
import org.springframework.stereotype.Repository;
import com.example.demo.core.repository.MapRepository;
import com.example.demo.items.model.ItemEntity;
@Repository
public class ItemRepository extends MapRepository<ItemEntity> {
}

51
src/main/java/com/example/demo/items/service/ItemService.java
View File

@@ -1,51 +0,0 @@
package com.example.demo.items.service;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import org.springframework.stereotype.Service;
import com.example.demo.core.error.NotFoundException;
import com.example.demo.items.model.ItemEntity;
import com.example.demo.items.repository.ItemRepository;
@Service
public class ItemService {
private final ItemRepository repository;
public ItemService(ItemRepository repository) {
this.repository = repository;
}
public List<ItemEntity> getAll(Long typeId) {
if (Objects.equals(typeId, 0L)) {
return repository.getAll();
}
return repository.getAll().stream()
.filter(item -> item.getType().getId().equals(typeId))
.toList();
}
public ItemEntity get(Long id) {
return Optional.ofNullable(repository.get(id))
.orElseThrow(() -> new NotFoundException(id));
}
public ItemEntity create(ItemEntity entity) {
return repository.create(entity);
}
public ItemEntity update(Long id, ItemEntity entity) {
final ItemEntity existsEntity = get(id);
existsEntity.setType(entity.getType());
existsEntity.setPrice(entity.getPrice());
existsEntity.setCount(entity.getCount());
return repository.update(existsEntity);
}
public ItemEntity delete(Long id) {
final ItemEntity existsEntity = get(id);
return repository.delete(existsEntity);
}
}

96
src/main/java/com/example/demo/orders/api/OrderController.java Normal file
View File

@@ -0,0 +1,96 @@
package com.example.demo.orders.api;
import java.util.List;
import org.modelmapper.ModelMapper;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import com.example.demo.core.configuration.Constants;
import com.example.demo.orders.model.OrderEntity;
import com.example.demo.orders.model.OrderGrouped;
import com.example.demo.orders.service.OrderService;
import com.example.demo.types.service.TypeService;
import jakarta.validation.Valid;
@RestController
@RequestMapping(Constants.API_URL + "/user/{user}/order")
public class OrderController {
private final OrderService orderService;
private final TypeService typeService;
private final ModelMapper modelMapper;
public OrderController(OrderService orderService, TypeService typeService, ModelMapper modelMapper) {
this.orderService = orderService;
this.typeService = typeService;
this.modelMapper = modelMapper;
}
private OrderDto toDto(OrderEntity entity) {
return modelMapper.map(entity, OrderDto.class);
}
private OrderEntity toEntity(OrderDto dto) {
final OrderEntity entity = modelMapper.map(dto, OrderEntity.class);
entity.setType(typeService.get(dto.getTypeId()));
return entity;
}
private OrderGroupedDto toGroupedDto(OrderGrouped entity) {
return modelMapper.map(entity, OrderGroupedDto.class);
}
@GetMapping
public List<OrderDto> getAll(
@PathVariable(name = "user") Long userId,
@RequestParam(name = "typeId", defaultValue = "0") Long typeId) {
return orderService.getAll(userId, typeId).stream()
.map(this::toDto)
.toList();
}
@GetMapping("/{id}")
public OrderDto get(
@PathVariable(name = "user") Long userId,
@PathVariable(name = "id") Long id) {
return toDto(orderService.get(userId, id));
}
@PostMapping
public OrderDto create(
@PathVariable(name = "user") Long userId,
@RequestBody @Valid OrderDto dto) {
return toDto(orderService.create(userId, toEntity(dto)));
}
@PutMapping("/{id}")
public OrderDto update(
@PathVariable(name = "user") Long userId,
@PathVariable(name = "id") Long id,
@RequestBody @Valid OrderDto dto) {
return toDto(orderService.update(userId, id, toEntity(dto)));
}
@DeleteMapping("/{id}")
public OrderDto delete(
@PathVariable(name = "user") Long userId,
@PathVariable(name = "id") Long id) {
return toDto(orderService.delete(userId, id));
}
@GetMapping("/total")
public List<OrderGroupedDto> getMethodName(@PathVariable(name = "user") Long userId) {
return orderService.getTotal(userId).stream()
.map(this::toGroupedDto)
.toList();
}
}

4
src/main/java/com/example/demo/items/api/ItemDto.java → src/main/java/com/example/demo/orders/api/OrderDto.java
View File

@@ -1,11 +1,11 @@
package com.example.demo.items.api;
package com.example.demo.orders.api;
import com.fasterxml.jackson.annotation.JsonProperty;
import jakarta.validation.constraints.Min;
import jakarta.validation.constraints.NotNull;
public class ItemDto {
public class OrderDto {
@JsonProperty(access = JsonProperty.Access.READ_ONLY)
private Long id;
@NotNull

31
src/main/java/com/example/demo/orders/api/OrderGroupedDto.java Normal file
View File

@@ -0,0 +1,31 @@
package com.example.demo.orders.api;
public class OrderGroupedDto {
private Long typeId;
private Long totalPrice;
private Integer totalCount;
public Long getTypeId() {
return typeId;
}
public void setTypeId(Long typeId) {
this.typeId = typeId;
}
public Long getTotalPrice() {
return totalPrice;
}
public void setTotalPrice(Long totalPrice) {
this.totalPrice = totalPrice;
}
public Integer getTotalCount() {
return totalCount;
}
public void setTotalCount(Integer totalCount) {
this.totalCount = totalCount;
}
}

42
src/main/java/com/example/demo/items/model/ItemEntity.java → src/main/java/com/example/demo/orders/model/OrderEntity.java
View File

@@ -1,21 +1,35 @@
package com.example.demo.items.model;
package com.example.demo.orders.model;
import java.util.Objects;
import com.example.demo.core.model.BaseEntity;
import com.example.demo.types.model.TypeEntity;
import com.example.demo.users.model.UserEntity;
public class ItemEntity extends BaseEntity {
import jakarta.persistence.Column;
import jakarta.persistence.Entity;
import jakarta.persistence.JoinColumn;
import jakarta.persistence.ManyToOne;
import jakarta.persistence.Table;
@Entity
@Table(name = "orders")
public class OrderEntity extends BaseEntity {
@ManyToOne
@JoinColumn(name = "typeId", nullable = false)
private TypeEntity type;
@ManyToOne
@JoinColumn(name = "userId", nullable = false)
private UserEntity user;
@Column(nullable = false)
private Double price;
@Column(nullable = false)
private Integer count;
public ItemEntity() {
super();
public OrderEntity() {
}
public ItemEntity(Long id, TypeEntity type, Double price, Integer count) {
super(id);
public OrderEntity(TypeEntity type, Double price, Integer count) {
this.type = type;
this.price = price;
this.count = count;
@@ -29,6 +43,17 @@ public class ItemEntity extends BaseEntity {
this.type = type;
}
public UserEntity getUser() {
return user;
}
public void setUser(UserEntity user) {
this.user = user;
if (!user.getOrders().contains(this)) {
user.getOrders().add(this);
}
}
public Double getPrice() {
return price;
}
@@ -47,7 +72,7 @@ public class ItemEntity extends BaseEntity {
@Override
public int hashCode() {
return Objects.hash(id, type, price, count);
return Objects.hash(id, type, user.getId(), price, count);
}
@Override
@@ -56,9 +81,10 @@ public class ItemEntity extends BaseEntity {
return true;
if (obj == null || getClass() != obj.getClass())
return false;
final ItemEntity other = (ItemEntity) obj;
final OrderEntity other = (OrderEntity) obj;
return Objects.equals(other.getId(), id)
&& Objects.equals(other.getType(), type)
&& Objects.equals(other.getUser().getId(), user.getId())
&& Objects.equals(other.getPrice(), price)
&& Objects.equals(other.getCount(), count);
}

11
src/main/java/com/example/demo/orders/model/OrderGrouped.java Normal file
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@@ -0,0 +1,11 @@
package com.example.demo.orders.model;
import com.example.demo.types.model.TypeEntity;
public interface OrderGrouped {
TypeEntity getType();
double getTotalPrice();
int getTotalCount();
}

33
src/main/java/com/example/demo/orders/repository/OrderRepository.java Normal file
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@@ -0,0 +1,33 @@
package com.example.demo.orders.repository;
import java.util.List;
import java.util.Optional;
import org.springframework.data.jpa.repository.Query;
import org.springframework.data.repository.CrudRepository;
import com.example.demo.orders.model.OrderEntity;
import com.example.demo.orders.model.OrderGrouped;
public interface OrderRepository extends CrudRepository<OrderEntity, Long> {
Optional<OrderEntity> findOneByUserIdAndId(long userId, long id);
List<OrderEntity> findByUserId(long userId);
List<OrderEntity> findByUserIdAndTypeId(long userId, long typeId);
// select
// tpe.name,
// coalesce(sum(order.price), 0),
// coalesce(sum(order.count), 0)
// from types as tpe
// left join orders as order on tpe.id = order.type_id and order.user_id = ?
// group by tpe.name order by tpe.id
@Query("select "
+ "t as type, "
+ "coalesce(sum(o.price), 0) as totalPrice, "
+ "coalesce(sum(o.count), 0) as totalCount "
+ "from TypeEntity t left join OrderEntity o on o.type = t and o.user.id = ?1 "
+ "group by t order by t.id")
List<OrderGrouped> getOrdersTotalByType(long userId);
}

75
src/main/java/com/example/demo/orders/service/OrderService.java Normal file
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@@ -0,0 +1,75 @@
package com.example.demo.orders.service;
import java.util.List;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.example.demo.core.error.NotFoundException;
import com.example.demo.orders.model.OrderEntity;
import com.example.demo.orders.model.OrderGrouped;
import com.example.demo.orders.repository.OrderRepository;
import com.example.demo.users.model.UserEntity;
import com.example.demo.users.service.UserService;
@Service
public class OrderService {
private final OrderRepository repository;
private final UserService userService;
public OrderService(OrderRepository repository, UserService userService) {
this.repository = repository;
this.userService = userService;
}
@Transactional(readOnly = true)
public List<OrderEntity> getAll(long userId, long typeId) {
userService.get(userId);
if (typeId <= 0L) {
return repository.findByUserId(userId);
} else {
return repository.findByUserIdAndTypeId(userId, typeId);
}
}
@Transactional(readOnly = true)
public OrderEntity get(long userId, long id) {
userService.get(userId);
return repository.findOneByUserIdAndId(userId, id)
.orElseThrow(() -> new NotFoundException(OrderEntity.class, id));
}
@Transactional
public OrderEntity create(long userId, OrderEntity entity) {
if (entity == null) {
throw new IllegalArgumentException("Entity is null");
}
final UserEntity existsUser = userService.get(userId);
entity.setUser(existsUser);
return repository.save(entity);
}
@Transactional
public OrderEntity update(long userId, long id, OrderEntity entity) {
userService.get(userId);
final OrderEntity existsEntity = get(userId, id);
existsEntity.setType(entity.getType());
existsEntity.setPrice(entity.getPrice());
existsEntity.setCount(entity.getCount());
return repository.save(existsEntity);
}
@Transactional
public OrderEntity delete(long userId, long id) {
userService.get(userId);
final OrderEntity existsEntity = get(userId, id);
repository.delete(existsEntity);
return existsEntity;
}
@Transactional(readOnly = true)
public List<OrderGrouped> getTotal(long userId) {
userService.get(userId);
return repository.getOrdersTotalByType(userId);
}
}

23
src/main/java/com/example/demo/speaker/api/SpeakerController.java
View File

@@ -1,23 +0,0 @@
package com.example.demo.speaker.api;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import com.example.demo.speaker.service.SpeakerService;
@RestController
public class SpeakerController {
private final SpeakerService speakerService;
public SpeakerController(SpeakerService speakerService) {
this.speakerService = speakerService;
}
@GetMapping
public String hello(
@RequestParam(value = "name", defaultValue = "Мир") String name,
@RequestParam(value = "lang", defaultValue = "ru") String lang) {
return speakerService.say(name, lang);
}
}

27
src/main/java/com/example/demo/speaker/configuration/SpeakerConfiguration.java
View File

@@ -1,27 +0,0 @@
package com.example.demo.speaker.configuration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import com.example.demo.speaker.domain.Speaker;
import com.example.demo.speaker.domain.SpeakerEng;
import com.example.demo.speaker.domain.SpeakerRus;
@Configuration
public class SpeakerConfiguration {
private final Logger log = LoggerFactory.getLogger(SpeakerConfiguration.class);
@Bean(value = "ru", initMethod = "init", destroyMethod = "destroy")
public SpeakerRus createRusSpeaker() {
log.info("Call createRusSpeaker()");
return new SpeakerRus();
}
@Bean(value = "en")
public Speaker createEngSpeaker() {
log.info("Call createEngSpeaker()");
return new SpeakerEng();
}
}

5
src/main/java/com/example/demo/speaker/domain/Speaker.java
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@@ -1,5 +0,0 @@
package com.example.demo.speaker.domain;
public interface Speaker {
String say();
}

28
src/main/java/com/example/demo/speaker/domain/SpeakerDeu.java
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@@ -1,28 +0,0 @@
package com.example.demo.speaker.domain;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import jakarta.annotation.PostConstruct;
import jakarta.annotation.PreDestroy;
@Component(value = "de")
public class SpeakerDeu implements Speaker {
private final Logger log = LoggerFactory.getLogger(SpeakerDeu.class);
@Override
public String say() {
return "Hallo";
}
@PostConstruct
public void init() {
log.info("SpeakerDeu.init()");
}
@PreDestroy
public void destroy() {
log.info("SpeakerDeu.destroy()");
}
}

26
src/main/java/com/example/demo/speaker/domain/SpeakerEng.java
View File

@@ -1,26 +0,0 @@
package com.example.demo.speaker.domain;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.InitializingBean;
public class SpeakerEng implements Speaker, InitializingBean, DisposableBean {
private final Logger log = LoggerFactory.getLogger(SpeakerEng.class);
@Override
public String say() {
return "Hello";
}
@Override
public void afterPropertiesSet() {
log.info("SpeakerEng.afterPropertiesSet()");
}
@Override
public void destroy() {
log.info("SpeakerEng.destroy()");
}
}

21
src/main/java/com/example/demo/speaker/domain/SpeakerRus.java
View File

@@ -1,21 +0,0 @@
package com.example.demo.speaker.domain;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class SpeakerRus implements Speaker {
private final Logger log = LoggerFactory.getLogger(SpeakerRus.class);
@Override
public String say() {
return "Привет";
}
public void init() {
log.info("SpeakerRus.init()");
}
public void destroy() {
log.info("SpeakerRus.destroy()");
}
}

20
src/main/java/com/example/demo/speaker/service/SpeakerService.java
View File

@@ -1,20 +0,0 @@
package com.example.demo.speaker.service;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Service;
import com.example.demo.speaker.domain.Speaker;
@Service
public class SpeakerService {
private final ApplicationContext applicationContext;
public SpeakerService(ApplicationContext applicationContext) {
this.applicationContext = applicationContext;
}
public String say(String name, String lang) {
final Speaker speaker = (Speaker) applicationContext.getBean(lang);
return String.format("%s, %s!", speaker.say(), name);
}
}

68
src/main/java/com/example/demo/subscriptions/api/SubscriptionController.java Normal file
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@@ -0,0 +1,68 @@
package com.example.demo.subscriptions.api;
import java.util.List;
import org.modelmapper.ModelMapper;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.example.demo.core.configuration.Constants;
import com.example.demo.subscriptions.model.SubscriptionEntity;
import com.example.demo.subscriptions.service.SubscriptionService;
import jakarta.validation.Valid;
@RestController
@RequestMapping(Constants.API_URL + "/subsciption")
public class SubscriptionController {
private final SubscriptionService subscriptionService;
private final ModelMapper modelMapper;
public SubscriptionController(SubscriptionService subscriptionService, ModelMapper modelMapper) {
this.subscriptionService = subscriptionService;
this.modelMapper = modelMapper;
}
private SubscriptionDto toDto(SubscriptionEntity entity) {
return modelMapper.map(entity, SubscriptionDto.class);
}
private SubscriptionEntity toEntity(SubscriptionDto dto) {
return modelMapper.map(dto, SubscriptionEntity.class);
}
@GetMapping
public List<SubscriptionDto> getAll() {
return subscriptionService.getAll().stream()
.map(this::toDto)
.toList();
}
@GetMapping("/{id}")
public SubscriptionDto get(@PathVariable(name = "id") Long id) {
return toDto(subscriptionService.get(id));
}
@PostMapping
public SubscriptionDto create(@RequestBody @Valid SubscriptionDto dto) {
return toDto(subscriptionService.create(toEntity(dto)));
}
@PutMapping("/{id}")
public SubscriptionDto update(
@PathVariable(name = "id") Long id,
@RequestBody @Valid SubscriptionDto dto) {
return toDto(subscriptionService.update(id, toEntity(dto)));
}
@DeleteMapping("/{id}")
public SubscriptionDto delete(@PathVariable(name = "id") Long id) {
return toDto(subscriptionService.delete(id));
}
}

30
src/main/java/com/example/demo/subscriptions/api/SubscriptionDto.java Normal file
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@@ -0,0 +1,30 @@
package com.example.demo.subscriptions.api;
import com.fasterxml.jackson.annotation.JsonProperty;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.Size;
public class SubscriptionDto {
@JsonProperty(access = JsonProperty.Access.READ_ONLY)
private Long id;
@NotBlank
@Size(min = 5, max = 50)
private String name;
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;
}
}

67
src/main/java/com/example/demo/subscriptions/model/SubscriptionEntity.java Normal file
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@@ -0,0 +1,67 @@
package com.example.demo.subscriptions.model;
import java.util.HashSet;
import java.util.Objects;
import java.util.Set;
import com.example.demo.core.model.BaseEntity;
import com.example.demo.usersubscription.model.UserSubscriptionEntity;
import jakarta.persistence.Column;
import jakarta.persistence.Entity;
import jakarta.persistence.OneToMany;
import jakarta.persistence.OrderBy;
import jakarta.persistence.Table;
@Entity
@Table(name = "subscriptions")
public class SubscriptionEntity extends BaseEntity {
@Column(nullable = false, unique = true, length = 50)
private String name;
@OneToMany(mappedBy = "subscription")
@OrderBy("id ASC")
private Set<UserSubscriptionEntity> userSubscriptions = new HashSet<>();
public SubscriptionEntity() {
}
public SubscriptionEntity(String name) {
this.name = name;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Set<UserSubscriptionEntity> getUserSubscriptions() {
return userSubscriptions;
}
public void addUser(UserSubscriptionEntity userSubscription) {
if (userSubscription.getSubscription() != this) {
userSubscription.setSubscription(this);
}
userSubscriptions.add(userSubscription);
}
@Override
public int hashCode() {
return Objects.hash(id, name, userSubscriptions);
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null || getClass() != obj.getClass())
return false;
SubscriptionEntity other = (SubscriptionEntity) obj;
return Objects.equals(id, other.id)
&& Objects.equals(name, other.name)
&& Objects.equals(userSubscriptions, other.userSubscriptions);
}
}

11
src/main/java/com/example/demo/subscriptions/repository/SubscriptionRepository.java Normal file
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@@ -0,0 +1,11 @@
package com.example.demo.subscriptions.repository;
import java.util.Optional;
import org.springframework.data.repository.CrudRepository;
import com.example.demo.subscriptions.model.SubscriptionEntity;
public interface SubscriptionRepository extends CrudRepository<SubscriptionEntity, Long> {
Optional<SubscriptionEntity> findByNameIgnoreCase(String name);
}

63
src/main/java/com/example/demo/subscriptions/service/SubscriptionService.java Normal file
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@@ -0,0 +1,63 @@
package com.example.demo.subscriptions.service;
import java.util.List;
import java.util.stream.StreamSupport;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.example.demo.core.error.NotFoundException;
import com.example.demo.subscriptions.model.SubscriptionEntity;
import com.example.demo.subscriptions.repository.SubscriptionRepository;
@Service
public class SubscriptionService {
private final SubscriptionRepository repository;
public SubscriptionService(SubscriptionRepository repository) {
this.repository = repository;
}
private void checkName(String name) {
if (repository.findByNameIgnoreCase(name).isPresent()) {
throw new IllegalArgumentException(
String.format("Type with name %s is already exists", name));
}
}
@Transactional(readOnly = true)
public List<SubscriptionEntity> getAll() {
return StreamSupport.stream(repository.findAll().spliterator(), false).toList();
}
@Transactional(readOnly = true)
public SubscriptionEntity get(long id) {
return repository.findById(id)
.orElseThrow(() -> new NotFoundException(SubscriptionEntity.class, id));
}
@Transactional
public SubscriptionEntity create(SubscriptionEntity entity) {
if (entity == null) {
throw new IllegalArgumentException("Entity is null");
}
checkName(entity.getName());
return repository.save(entity);
}
@Transactional
public SubscriptionEntity update(Long id, SubscriptionEntity entity) {
final SubscriptionEntity existsEntity = get(id);
checkName(entity.getName());
existsEntity.setName(entity.getName());
return repository.save(existsEntity);
}
@Transactional
public SubscriptionEntity delete(Long id) {
final SubscriptionEntity existsEntity = get(id);
repository.delete(existsEntity);
return existsEntity;
}
}

8
src/main/java/com/example/demo/types/api/TypeController.java
View File

@@ -39,7 +39,9 @@ public class TypeController {
@GetMapping
public List<TypeDto> getAll() {
return typeService.getAll().stream().map(this::toDto).toList();
return typeService.getAll().stream()
.map(this::toDto)
.toList();
}
@GetMapping("/{id}")
@@ -53,7 +55,9 @@ public class TypeController {
}
@PutMapping("/{id}")
public TypeDto update(@PathVariable(name = "id") Long id, @RequestBody TypeDto dto) {
public TypeDto update(
@PathVariable(name = "id") Long id,
@RequestBody @Valid TypeDto dto) {
return toDto(typeService.update(id, toEntity(dto)));
}

2
src/main/java/com/example/demo/types/api/TypeDto.java
View File

@@ -3,11 +3,13 @@ package com.example.demo.types.api;
import com.fasterxml.jackson.annotation.JsonProperty;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.Size;
public class TypeDto {
@JsonProperty(access = JsonProperty.Access.READ_ONLY)
private Long id;
@NotBlank
@Size(min = 5, max = 50)
private String name;
public Long getId() {

11
src/main/java/com/example/demo/types/model/TypeEntity.java
View File

@@ -4,15 +4,20 @@ import java.util.Objects;
import com.example.demo.core.model.BaseEntity;
import jakarta.persistence.Column;
import jakarta.persistence.Entity;
import jakarta.persistence.Table;
@Entity
@Table(name = "types")
public class TypeEntity extends BaseEntity {
@Column(nullable = false, unique = true, length = 50)
private String name;
public TypeEntity() {
super();
}
public TypeEntity(Long id, String name) {
super(id);
public TypeEntity(String name) {
this.name = name;
}

9
src/main/java/com/example/demo/types/repository/TypeRepository.java
View File

@@ -1,10 +1,11 @@
package com.example.demo.types.repository;
import org.springframework.stereotype.Repository;
import java.util.Optional;
import org.springframework.data.repository.CrudRepository;
import com.example.demo.core.repository.MapRepository;
import com.example.demo.types.model.TypeEntity;
@Repository
public class TypeRepository extends MapRepository<TypeEntity> {
public interface TypeRepository extends CrudRepository<TypeEntity, Long> {
Optional<TypeEntity> findByNameIgnoreCase(String name);
}

35
src/main/java/com/example/demo/types/service/TypeService.java
View File

@@ -1,9 +1,10 @@
package com.example.demo.types.service;
import java.util.List;
import java.util.Optional;
import java.util.stream.StreamSupport;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.example.demo.core.error.NotFoundException;
import com.example.demo.types.model.TypeEntity;
@@ -17,27 +18,45 @@ public class TypeService {
this.repository = repository;
}
private void checkName(String name) {
if (repository.findByNameIgnoreCase(name).isPresent()) {
throw new IllegalArgumentException(
String.format("Type with name %s is already exists", name));
}
}
@Transactional(readOnly = true)
public List<TypeEntity> getAll() {
return repository.getAll();
return StreamSupport.stream(repository.findAll().spliterator(), false).toList();
}
public TypeEntity get(Long id) {
return Optional.ofNullable(repository.get(id))
.orElseThrow(() -> new NotFoundException(id));
@Transactional(readOnly = true)
public TypeEntity get(long id) {
return repository.findById(id)
.orElseThrow(() -> new NotFoundException(TypeEntity.class, id));
}
@Transactional
public TypeEntity create(TypeEntity entity) {
return repository.create(entity);
if (entity == null) {
throw new IllegalArgumentException("Entity is null");
}
checkName(entity.getName());
return repository.save(entity);
}
@Transactional
public TypeEntity update(Long id, TypeEntity entity) {
final TypeEntity existsEntity = get(id);
checkName(entity.getName());
existsEntity.setName(entity.getName());
return repository.update(existsEntity);
return repository.save(existsEntity);
}
@Transactional
public TypeEntity delete(Long id) {
final TypeEntity existsEntity = get(id);
return repository.delete(existsEntity);
repository.delete(existsEntity);
return existsEntity;
}
}

107
src/main/java/com/example/demo/users/api/UserController.java Normal file
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@@ -0,0 +1,107 @@
package com.example.demo.users.api;
import java.util.List;
import org.modelmapper.ModelMapper;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import com.example.demo.core.configuration.Constants;
import com.example.demo.subscriptions.api.SubscriptionDto;
import com.example.demo.subscriptions.model.SubscriptionEntity;
import com.example.demo.users.model.UserEntity;
import com.example.demo.users.service.UserService;
import jakarta.validation.Valid;
@RestController
@RequestMapping(Constants.API_URL + "/user")
public class UserController {
private final UserService userService;
private final ModelMapper modelMapper;
public UserController(UserService userService, ModelMapper modelMapper) {
this.userService = userService;
this.modelMapper = modelMapper;
}
private UserDto toDto(UserEntity entity) {
return modelMapper.map(entity, UserDto.class);
}
private SubscriptionDto toSubscriptionDto(SubscriptionEntity entity) {
return modelMapper.map(entity, SubscriptionDto.class);
}
private UserEntity toEntity(UserDto dto) {
return modelMapper.map(dto, UserEntity.class);
}
@GetMapping
public List<UserDto> getAll() {
return userService.getAll().stream()
.map(this::toDto)
.toList();
}
@GetMapping("/{id}")
public UserDto get(@PathVariable(name = "id") Long id) {
return toDto(userService.get(id));
}
@PostMapping
public UserDto create(@RequestBody @Valid UserDto dto) {
return toDto(userService.create(toEntity(dto)));
}
@PutMapping("/{id}")
public UserDto update(
@PathVariable(name = "id") Long id,
@RequestBody @Valid UserDto dto) {
return toDto(userService.update(id, toEntity(dto)));
}
@DeleteMapping("/{id}")
public UserDto delete(@PathVariable(name = "id") Long id) {
return toDto(userService.delete(id));
}
@GetMapping("/{id}/subscription")
public List<SubscriptionDto> getUserSubscriptions(@PathVariable(name = "id") Long id) {
return userService.getUserSubscriptions(id).stream()
.map(this::toSubscriptionDto)
.toList();
}
@PostMapping("/{id}/subscription")
public List<SubscriptionDto> enableUserSubscriptions(
@PathVariable(name = "id") Long id,
@RequestParam(name = "subscriptions", defaultValue = "") List<Long> subscriptionsIds) {
return userService.enableUserSubscriptions(id, subscriptionsIds).stream()
.map(this::toSubscriptionDto)
.toList();
}
@DeleteMapping("/{id}/subscription")
public List<SubscriptionDto> disableUserSubscriptions(
@PathVariable(name = "id") Long id,
@RequestParam(name = "subscriptions", defaultValue = "") List<Long> subscriptionsIds) {
return userService.disableUserSubscriptions(id, subscriptionsIds).stream()
.map(this::toSubscriptionDto)
.toList();
}
@DeleteMapping("/{id}/subscription/all")
public List<SubscriptionDto> deleteAllUserSubscriptions(@PathVariable(name = "id") Long id) {
return userService.deleteAllUserSubscriptions(id).stream()
.map(this::toSubscriptionDto)
.toList();
}
}

31
src/main/java/com/example/demo/users/api/UserDto.java Normal file
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@@ -0,0 +1,31 @@
package com.example.demo.users.api;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonProperty.Access;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.Size;
public class UserDto {
@JsonProperty(access = Access.READ_ONLY)
private Long id;
@NotBlank
@Size(min = 3, max = 20)
private String login;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getLogin() {
return login;
}
public void setLogin(String login) {
this.login = login;
}
}

91
src/main/java/com/example/demo/users/model/UserEntity.java Normal file
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@@ -0,0 +1,91 @@
package com.example.demo.users.model;
import java.util.HashSet;
import java.util.Objects;
import java.util.Set;
import com.example.demo.core.model.BaseEntity;
import com.example.demo.orders.model.OrderEntity;
import com.example.demo.usersubscription.model.UserSubscriptionEntity;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Column;
import jakarta.persistence.Entity;
import jakarta.persistence.OneToMany;
import jakarta.persistence.OrderBy;
import jakarta.persistence.Table;
@Entity
@Table(name = "users")
public class UserEntity extends BaseEntity {
@Column(nullable = false, unique = true, length = 20)
private String login;
@OneToMany(mappedBy = "user", cascade = CascadeType.ALL)
@OrderBy("id ASC")
private Set<OrderEntity> orders = new HashSet<>();
@OneToMany(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
@OrderBy("id ASC")
private Set<UserSubscriptionEntity> userSubscriptions = new HashSet<>();
public UserEntity() {
}
public UserEntity(String login) {
this.login = login;
}
public String getLogin() {
return login;
}
public void setLogin(String login) {
this.login = login;
}
public Set<OrderEntity> getOrders() {
return orders;
}
public void addOrder(OrderEntity order) {
if (order.getUser() != this) {
order.setUser(this);
}
orders.add(order);
}
public Set<UserSubscriptionEntity> getUserSubscriptions() {
return userSubscriptions;
}
public void addSubscription(UserSubscriptionEntity userSubscription) {
if (userSubscription.getUser() != this) {
userSubscription.setUser(this);
}
userSubscriptions.add(userSubscription);
}
public void deleteSubscription(UserSubscriptionEntity userSubscription) {
if (userSubscription.getUser() != this) {
return;
}
userSubscriptions.remove(userSubscription);
}
@Override
public int hashCode() {
return Objects.hash(id, login, orders, userSubscriptions);
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null || getClass() != obj.getClass())
return false;
UserEntity other = (UserEntity) obj;
return Objects.equals(other.getId(), id)
&& Objects.equals(other.getLogin(), login)
&& Objects.equals(other.getOrders(), orders)
&& Objects.equals(other.getUserSubscriptions(), userSubscriptions);
}
}

11
src/main/java/com/example/demo/users/repository/UserRepository.java Normal file
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@@ -0,0 +1,11 @@
package com.example.demo.users.repository;
import java.util.Optional;
import org.springframework.data.repository.CrudRepository;
import com.example.demo.users.model.UserEntity;
public interface UserRepository extends CrudRepository<UserEntity, Long> {
Optional<UserEntity> findByLoginIgnoreCase(String login);
}

131
src/main/java/com/example/demo/users/service/UserService.java Normal file
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@@ -0,0 +1,131 @@
package com.example.demo.users.service;
import java.util.List;
import java.util.Objects;
import java.util.stream.StreamSupport;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.example.demo.core.error.NotFoundException;
import com.example.demo.subscriptions.model.SubscriptionEntity;
import com.example.demo.subscriptions.service.SubscriptionService;
import com.example.demo.users.model.UserEntity;
import com.example.demo.users.repository.UserRepository;
import com.example.demo.usersubscription.model.UserSubscriptionEntity;
@Service
public class UserService {
private final UserRepository repository;
private final SubscriptionService subscriptionService;
public UserService(
UserRepository repository,
SubscriptionService subscriptionService) {
this.repository = repository;
this.subscriptionService = subscriptionService;
}
private void checkLogin(String login) {
if (repository.findByLoginIgnoreCase(login).isPresent()) {
throw new IllegalArgumentException(
String.format("User with login %s is already exists", login));
}
}
@Transactional(readOnly = true)
public List<UserEntity> getAll() {
return StreamSupport.stream(repository.findAll().spliterator(), false).toList();
}
@Transactional(readOnly = true)
public UserEntity get(long id) {
return repository.findById(id)
.orElseThrow(() -> new NotFoundException(UserEntity.class, id));
}
@Transactional
public UserEntity create(UserEntity entity) {
if (entity == null) {
throw new IllegalArgumentException("Entity is null");
}
checkLogin(entity.getLogin());
repository.save(entity);
subscriptionService.getAll().forEach(subscription -> {
final UserSubscriptionEntity userSubscription = new UserSubscriptionEntity(entity, subscription, true);
userSubscription.setUser(entity);
userSubscription.setSubscription(subscription);
});
return repository.save(entity);
}
@Transactional
public UserEntity update(long id, UserEntity entity) {
final UserEntity existsEntity = get(id);
checkLogin(entity.getLogin());
existsEntity.setLogin(entity.getLogin());
repository.save(existsEntity);
return existsEntity;
}
@Transactional
public UserEntity delete(long id) {
final UserEntity existsEntity = get(id);
repository.delete(existsEntity);
return existsEntity;
}
@Transactional(readOnly = true)
public List<SubscriptionEntity> getUserSubscriptions(long id) {
return get(id).getUserSubscriptions().stream()
.filter(UserSubscriptionEntity::isActive)
.map(UserSubscriptionEntity::getSubscription)
.toList();
}
private List<SubscriptionEntity> changeUserSubscriptionsState(
UserEntity existsUser,
List<Long> subscriptionsIds,
boolean state) {
return existsUser.getUserSubscriptions().stream()
.filter(subscription -> Objects.nonNull(subscription.getSubscription()))
.filter(subscription -> subscriptionsIds.contains(subscription.getSubscription().getId()))
.filter(subscription -> subscription.isActive() == !state)
.map(subscription -> {
subscription.setActive(state);
return subscription.getSubscription();
})
.toList();
}
@Transactional
public List<SubscriptionEntity> enableUserSubscriptions(long id, List<Long> subscriptionsIds) {
final UserEntity existsUser = get(id);
final List<SubscriptionEntity> changedSubscriptions = changeUserSubscriptionsState(
existsUser, subscriptionsIds, true);
repository.save(existsUser);
return changedSubscriptions;
}
@Transactional
public List<SubscriptionEntity> disableUserSubscriptions(long id, List<Long> subscriptionsIds) {
final UserEntity existsUser = get(id);
final List<SubscriptionEntity> changedSubscriptions = changeUserSubscriptionsState(
existsUser, subscriptionsIds, false);
repository.save(existsUser);
return changedSubscriptions;
}
@Transactional
public List<SubscriptionEntity> deleteAllUserSubscriptions(long id) {
final UserEntity existsUser = get(id);
final List<UserSubscriptionEntity> subscriptions = existsUser.getUserSubscriptions().stream()
.filter(subscription -> Objects.nonNull(subscription.getSubscription()))
.toList();
subscriptions.forEach(existsUser::deleteSubscription);
repository.save(existsUser);
return subscriptions.stream()
.map(UserSubscriptionEntity::getSubscription)
.toList();
}
}

95
src/main/java/com/example/demo/usersubscription/model/UserSubscriptionEntity.java Normal file
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package com.example.demo.usersubscription.model;
import java.util.Objects;
import com.example.demo.subscriptions.model.SubscriptionEntity;
import com.example.demo.users.model.UserEntity;
import jakarta.persistence.EmbeddedId;
import jakarta.persistence.Entity;
import jakarta.persistence.JoinColumn;
import jakarta.persistence.ManyToOne;
import jakarta.persistence.MapsId;
import jakarta.persistence.Table;
@Entity
@Table(name = "users_subscriptions")
public class UserSubscriptionEntity {
@EmbeddedId
private UserSubscriptionId id = new UserSubscriptionId();
@ManyToOne
@MapsId("userId")
@JoinColumn(name = "user_id")
private UserEntity user;
@ManyToOne
@MapsId("subscriptionId")
@JoinColumn(name = "subscription_id")
private SubscriptionEntity subscription;
private boolean active;
public UserSubscriptionEntity() {
}
public UserSubscriptionEntity(UserEntity user, SubscriptionEntity subscription, boolean active) {
this.user = user;
this.subscription = subscription;
this.active = active;
}
public UserSubscriptionId getId() {
return id;
}
public void setId(UserSubscriptionId id) {
this.id = id;
}
public UserEntity getUser() {
return user;
}
public void setUser(UserEntity user) {
this.user = user;
if (!user.getUserSubscriptions().contains(this)) {
user.getUserSubscriptions().add(this);
}
}
public SubscriptionEntity getSubscription() {
return subscription;
}
public void setSubscription(SubscriptionEntity subscription) {
this.subscription = subscription;
if (!subscription.getUserSubscriptions().contains(this)) {
subscription.getUserSubscriptions().add(this);
}
}
public boolean isActive() {
return active;
}
public void setActive(boolean active) {
this.active = active;
}
@Override
public int hashCode() {
return Objects.hash(id, user.getId(), subscription.getId(), active);
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null || getClass() != obj.getClass())
return false;
UserSubscriptionEntity other = (UserSubscriptionEntity) obj;
return Objects.equals(id, other.id)
&& Objects.equals(user.getId(), other.user.getId())
&& Objects.equals(subscription.getId(), other.subscription.getId())
&& active == other.active;
}
}

55
src/main/java/com/example/demo/usersubscription/model/UserSubscriptionId.java Normal file
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package com.example.demo.usersubscription.model;
import java.util.Objects;
import java.util.Optional;
import jakarta.persistence.Embeddable;
@Embeddable
public class UserSubscriptionId {
private Long userId;
private Long subscriptionId;
public UserSubscriptionId() {
}
public UserSubscriptionId(Long userId, Long subscriptionId) {
this.userId = userId;
this.subscriptionId = subscriptionId;
}
public Long getUserId() {
return userId;
}
public void setUserId(Long userId) {
this.userId = userId;
}
public Long getSubscriptionId() {
return subscriptionId;
}
public void setSubscriptionId(Long subscriptionId) {
this.subscriptionId = subscriptionId;
}
@Override
public int hashCode() {
return Objects.hash(
Optional.ofNullable(userId).orElse(0L),
Optional.ofNullable(subscriptionId).orElse(0L));
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null || getClass() != obj.getClass())
return false;
UserSubscriptionId other = (UserSubscriptionId) obj;
return Objects.equals(userId, other.userId)
&& Objects.equals(subscriptionId, other.subscriptionId);
}
}

19
src/main/resources/application.properties
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# Server
spring.main.banner-mode=off
server.port=8080
# Logger settings
# Available levels are: TRACE, DEBUG, INFO, WARN, ERROR, FATAL, OFF
logging.level.com.example.demo=DEBUG
# JPA Settings
spring.datasource.url=jdbc:h2:file:./data
spring.datasource.username=sa
spring.datasource.password=password
spring.datasource.driver-class-name=org.h2.Driver
spring.jpa.hibernate.ddl-auto=create
spring.jpa.open-in-view=false
# spring.jpa.show-sql=true
# spring.jpa.properties.hibernate.format_sql=true
# H2 console
spring.h2.console.enabled=true

13
src/test/java/com/example/demo/DemoApplicationTests.java
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package com.example.demo;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
@SpringBootTest
class DemoApplicationTests {
@Test
void contextLoads() {
}
}

38
src/test/java/com/example/demo/SpeakerSrviceTests.java
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package com.example.demo;
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;
import com.example.demo.speaker.service.SpeakerService;
@SpringBootTest
class SpeakerSrviceTests {
@Autowired
SpeakerService speakerService;
@Test
void testSpeakerRus() {
final String res = speakerService.say("Мир", "ru");
Assertions.assertEquals("Привет, Мир!", res);
}
@Test
void testSpeakerEng() {
final String res = speakerService.say("World", "en");
Assertions.assertEquals("Hello, World!", res);
}
@Test
void testSpeakerDeu() {
final String res = speakerService.say("Welt", "de");
Assertions.assertEquals("Hallo, Welt!", res);
}
@Test
void testSpeakerErrorWired() {
Assertions.assertThrows(NoSuchBeanDefinitionException.class, () -> speakerService.say("Мир", "rus"));
}
}

102
src/test/java/com/example/demo/TypeServiceTests.java
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@@ -1,61 +1,79 @@
package com.example.demo;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.MethodOrderer.OrderAnnotation;
import org.junit.jupiter.api.Order;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestMethodOrder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.dao.DataIntegrityViolationException;
import com.example.demo.core.error.NotFoundException;
import com.example.demo.types.model.TypeEntity;
import com.example.demo.types.service.TypeService;
@SpringBootTest
@TestMethodOrder(OrderAnnotation.class)
class TypeServiceTests {
@Autowired
private TypeService typeService;
@Autowired
private TypeService typeService;
@Test
void getTest() {
Assertions.assertThrows(NotFoundException.class, () -> typeService.get(0L));
}
private TypeEntity type;
@Test
@Order(1)
void createTest() {
typeService.create(new TypeEntity(null, "Ноутбук"));
typeService.create(new TypeEntity(null, "Телефон"));
final TypeEntity last = typeService.create(new TypeEntity(null, "Игровая приставка"));
Assertions.assertEquals(3, typeService.getAll().size());
Assertions.assertEquals(last, typeService.get(3L));
}
@BeforeEach
void createData() {
removeData();
@Test
@Order(2)
void updateTest() {
final String test = "TEST";
final TypeEntity entity = typeService.get(3L);
final String oldName = entity.getName();
final TypeEntity newEntity = typeService.update(3L, new TypeEntity(1L, test));
Assertions.assertEquals(3, typeService.getAll().size());
Assertions.assertEquals(newEntity, typeService.get(3L));
Assertions.assertEquals(test, newEntity.getName());
Assertions.assertNotEquals(oldName, newEntity.getName());
}
type = typeService.create(new TypeEntity("Ноутбук"));
typeService.create(new TypeEntity("Телефон"));
typeService.create(new TypeEntity("Игровая приставка"));
}
@Test
@Order(3)
void deleteTest() {
typeService.delete(3L);
Assertions.assertEquals(2, typeService.getAll().size());
final TypeEntity last = typeService.get(2L);
Assertions.assertEquals(2L, last.getId());
@AfterEach
void removeData() {
typeService.getAll().forEach(item -> typeService.delete(item.getId()));
}
final TypeEntity newEntity = typeService.create(new TypeEntity(null, "Игровая приставка"));
Assertions.assertEquals(3, typeService.getAll().size());
Assertions.assertEquals(4L, newEntity.getId());
}
@Test
void getTest() {
Assertions.assertThrows(NotFoundException.class, () -> typeService.get(0L));
}
@Test
void createTest() {
Assertions.assertEquals(3, typeService.getAll().size());
Assertions.assertEquals(type, typeService.get(type.getId()));
}
@Test
void createNotUniqueTest() {
final TypeEntity nonUniqueType = new TypeEntity("Ноутбук");
Assertions.assertThrows(IllegalArgumentException.class, () -> typeService.create(nonUniqueType));
}
@Test
void createNullableTest() {
final TypeEntity nullableType = new TypeEntity(null);
Assertions.assertThrows(DataIntegrityViolationException.class, () -> typeService.create(nullableType));
}
@Test
void updateTest() {
final String test = "TEST";
final String oldName = type.getName();
final TypeEntity newEntity = typeService.update(type.getId(), new TypeEntity(test));
Assertions.assertEquals(3, typeService.getAll().size());
Assertions.assertEquals(newEntity, typeService.get(type.getId()));
Assertions.assertEquals(test, newEntity.getName());
Assertions.assertNotEquals(oldName, newEntity.getName());
}
@Test
void deleteTest() {
typeService.delete(type.getId());
Assertions.assertEquals(2, typeService.getAll().size());
final TypeEntity newEntity = typeService.create(new TypeEntity(type.getName()));
Assertions.assertEquals(3, typeService.getAll().size());
Assertions.assertNotEquals(type.getId(), newEntity.getId());
}
}

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src/test/java/com/example/demo/UserOrderServiceTest.java Normal file
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package com.example.demo;
import java.util.List;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.MethodOrderer.OrderAnnotation;
import org.junit.jupiter.api.Order;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestMethodOrder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import com.example.demo.orders.model.OrderEntity;
import com.example.demo.orders.service.OrderService;
import com.example.demo.subscriptions.model.SubscriptionEntity;
import com.example.demo.subscriptions.service.SubscriptionService;
import com.example.demo.types.model.TypeEntity;
import com.example.demo.types.service.TypeService;
import com.example.demo.users.model.UserEntity;
import com.example.demo.users.service.UserService;
import jakarta.persistence.EntityManager;
@SpringBootTest
@TestMethodOrder(OrderAnnotation.class)
class UserOrderServiceTest {
@Autowired
private EntityManager entityManager;
@Autowired
private TypeService typeService;
@Autowired
private SubscriptionService subscriptionService;
@Autowired
private OrderService orderService;
@Autowired
private UserService userService;
private TypeEntity type1;
private TypeEntity type2;
private TypeEntity type3;
private SubscriptionEntity subscription;
private UserEntity user1;
private UserEntity user2;
@BeforeEach
void createData() {
removeData();
type1 = typeService.create(new TypeEntity("Ноутбук"));
type2 = typeService.create(new TypeEntity("Телефон"));
type3 = typeService.create(new TypeEntity("Игровая приставка"));
subscription = subscriptionService.create(new SubscriptionEntity("Подписка 1"));
subscriptionService.create(new SubscriptionEntity("Подписка 2"));
subscriptionService.create(new SubscriptionEntity("Подписка 3"));
user1 = userService.create(new UserEntity("user1"));
user2 = userService.create(new UserEntity("user2"));
final var orders = List.of(
new OrderEntity(type1, 49999.00, 20),
new OrderEntity(type1, 129999.00, 3),
new OrderEntity(type2, 15450.50, 30),
new OrderEntity(type2, 69900.50, 10),
new OrderEntity(type2, 150000.00, 6),
new OrderEntity(type3, 75000.00, 6),
new OrderEntity(type3, 67800.00, 3));
orders.forEach(order -> orderService.create(user1.getId(), order));
}
@AfterEach
void removeData() {
userService.getAll().forEach(item -> userService.delete(item.getId()));
typeService.getAll().forEach(item -> typeService.delete(item.getId()));
subscriptionService.getAll().forEach(item -> subscriptionService.delete(item.getId()));
}
@Test
@Order(1)
void createTest() {
Assertions.assertEquals(7, orderService.getAll(user1.getId(), 0).size());
Assertions.assertEquals(0, orderService.getAll(user2.getId(), 0).size());
}
@Test
@Order(2)
void orderFilterTest() {
Assertions.assertEquals(2, orderService.getAll(user1.getId(), type1.getId()).size());
Assertions.assertEquals(3, orderService.getAll(user1.getId(), type2.getId()).size());
Assertions.assertEquals(2, orderService.getAll(user1.getId(), type3.getId()).size());
}
@Test
@Order(3)
void subscriptionsTest() {
Assertions.assertEquals(3, userService.getUserSubscriptions(user1.getId()).size());
}
@Test
@Order(4)
void subscriptionDisableTest() {
userService.disableUserSubscriptions(user1.getId(), List.of(subscription.getId()));
Assertions.assertEquals(subscriptionService.getAll().size() - 1,
userService.getUserSubscriptions(user1.getId()).size());
}
@Test
@Order(5)
void subscriptionEnableTest() {
userService.enableUserSubscriptions(user1.getId(), List.of(subscription.getId()));
Assertions.assertEquals(subscriptionService.getAll().size(),
userService.getUserSubscriptions(user1.getId()).size());
}
@Test
@Order(6)
void subscriptionsDeleteTest() {
userService.deleteAllUserSubscriptions(user1.getId());
Assertions.assertTrue(userService.getUserSubscriptions(user1.getId()).isEmpty());
}
@Test
@Order(6)
void userCascadeDeleteTest() {
userService.delete(user1.getId());
final var orders = entityManager.createQuery(
"select count(o) from OrderEntity o where o.user.id = :userId");
orders.setParameter("userId", user1.getId());
Assertions.assertEquals(0, orders.getFirstResult());
final var subscriptions = entityManager.createQuery(
"select count(us) from UserSubscriptionEntity us where us.user.id = :userId");
subscriptions.setParameter("userId", user1.getId());
Assertions.assertEquals(0, subscriptions.getFirstResult());
}
}

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src/test/resources/application.properties Normal file
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# Server
spring.main.banner-mode=off
# Logger settings
# Available levels are: TRACE, DEBUG, INFO, WARN, ERROR, FATAL, OFF
logging.level.com.example.demo=DEBUG
# JPA Settings
spring.datasource.url=jdbc:h2:mem:testdb
spring.datasource.username=sa
spring.datasource.password=password
spring.datasource.driver-class-name=org.h2.Driver
spring.jpa.hibernate.ddl-auto=create
spring.jpa.open-in-view=false