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Merge pull request #115 from doctorixx/master
Add posts
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‎BACKEND_V2/src/main/kotlin/ru/codebattles/backend/dto/CreatePostDto.kt‎

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package ru.codebattles.backend.dto
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import io.swagger.v3.oas.annotations.media.Schema
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import jakarta.validation.constraints.NotBlank
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import jakarta.validation.constraints.NotNull
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data class CreatePostDto(
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@field:NotBlank
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@Schema(description = "Title of the post", example = "Welcome to Code Battles")
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val title: String,
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@field:NotBlank
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@Schema(description = "Content of the post", example = "This is the main content of the post...")
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val content: String,
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@field:NotNull
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@Schema(description = "Show post at main page", example = "true")
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val showAtMain: Boolean,
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)

‎BACKEND_V2/src/main/kotlin/ru/codebattles/backend/dto/PostDto.kt‎

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package ru.codebattles.backend.dto
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import io.swagger.v3.oas.annotations.media.Schema
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data class PostDto(
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@Schema(description = "Unique identifier of the post", example = "1")
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val id: Long? = null,
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@Schema(description = "Title of post")
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val title: String,
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@Schema(description = "Content of post")
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val content: String,
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@Schema(description = "Show post at main page")
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val showAtMain: Boolean,
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)
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‎BACKEND_V2/src/main/kotlin/ru/codebattles/backend/dto/mapper/CreatePostMapper.kt‎

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package ru.codebattles.backend.dto.mapper
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import org.mapstruct.Mapper
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import ru.codebattles.backend.dto.CreatePostDto
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import ru.codebattles.backend.dto.mapper.core.AbstractMapper
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import ru.codebattles.backend.entity.Posts
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@Mapper(componentModel = "spring")
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interface CreatePostMapper : AbstractMapper<Posts, CreatePostDto>

‎BACKEND_V2/src/main/kotlin/ru/codebattles/backend/dto/mapper/PostMapper.kt‎

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package ru.codebattles.backend.dto.mapper
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import org.mapstruct.Mapper
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import ru.codebattles.backend.dto.PostDto
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import ru.codebattles.backend.dto.mapper.core.AbstractMapper
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import ru.codebattles.backend.entity.Posts
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@Mapper(componentModel = "spring")
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interface PostMapper : AbstractMapper<Posts, PostDto>

‎BACKEND_V2/src/main/kotlin/ru/codebattles/backend/entity/Posts.kt‎

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package ru.codebattles.backend.entity
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import jakarta.persistence.Column
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import jakarta.persistence.Entity
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import jakarta.persistence.Table
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@Entity
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@Table(name = "posts")
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data class Posts(
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@Column(nullable = false)
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var title: String,
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@Column(nullable = false)
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var content: String,
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@Column(nullable = false)
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var showAtMain: Boolean,
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) : BaseEntity()

‎BACKEND_V2/src/main/kotlin/ru/codebattles/backend/repository/PostRepository.kt‎

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package ru.codebattles.backend.repository
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import org.springframework.data.jpa.repository.JpaRepository
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import ru.codebattles.backend.entity.Posts
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interface PostRepository : JpaRepository<Posts, Long> {
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fun findByShowAtMainTrue(): List<Posts>
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}

‎BACKEND_V2/src/main/kotlin/ru/codebattles/backend/services/PostService.kt‎

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package ru.codebattles.backend.services
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import org.springframework.http.HttpStatus
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import org.springframework.stereotype.Service
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import org.springframework.web.server.ResponseStatusException
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import ru.codebattles.backend.dto.CreatePostDto
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import ru.codebattles.backend.dto.PostDto
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import ru.codebattles.backend.dto.mapper.PostMapper
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import ru.codebattles.backend.entity.Posts
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import ru.codebattles.backend.repository.PostRepository
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@Service
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class PostService(
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private val postRepository: PostRepository,
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private val postMapper: PostMapper,
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) {
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fun getAll(): List<PostDto> {
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return postMapper.toDtoS(
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postRepository.findAll()
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)
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}
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fun getById(id: Long): PostDto {
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val optionalPost = postRepository.findById(id)
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if (optionalPost.isPresent) {
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return postMapper.toDto(optionalPost.get())
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}
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throw ResponseStatusException(HttpStatus.NOT_FOUND, "Post not found")
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}
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fun getMainPagePosts(): List<PostDto> {
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return postMapper.toDtoS(
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postRepository.findByShowAtMainTrue()
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)
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}
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fun create(createPostDto: CreatePostDto): PostDto {
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val post = Posts(
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title = createPostDto.title,
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content = createPostDto.content,
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showAtMain = createPostDto.showAtMain
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)
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val savedPost = postRepository.save(post)
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return postMapper.toDto(savedPost)
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}
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fun update(id: Long, postDto: PostDto): PostDto {
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val existingPost = postRepository.findById(id)
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.orElseThrow { ResponseStatusException(HttpStatus.NOT_FOUND, "Post not found") }
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existingPost.title = postDto.title
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existingPost.content = postDto.content
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existingPost.showAtMain = postDto.showAtMain
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val updatedPost = postRepository.save(existingPost)
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return postMapper.toDto(updatedPost)
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}
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fun delete(id: Long) {
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if (!postRepository.existsById(id)) {
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throw ResponseStatusException(HttpStatus.NOT_FOUND, "Post not found")
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}
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postRepository.deleteById(id)
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}
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}

‎BACKEND_V2/src/main/kotlin/ru/codebattles/backend/web/controllers/PostController.kt‎

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package ru.codebattles.backend.web.controllers
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import io.swagger.v3.oas.annotations.Operation
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import io.swagger.v3.oas.annotations.security.SecurityRequirement
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import io.swagger.v3.oas.annotations.tags.Tag
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import jakarta.annotation.security.RolesAllowed
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import org.springframework.http.HttpStatus
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import org.springframework.http.ResponseEntity
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import org.springframework.security.core.annotation.AuthenticationPrincipal
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import org.springframework.web.bind.annotation.*
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import ru.codebattles.backend.dto.CreatePostDto
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import ru.codebattles.backend.dto.PostDto
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import ru.codebattles.backend.entity.User
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import ru.codebattles.backend.services.PostService
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@Tag(name = "Posts", description = "Endpoints for managing posts")
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@RestController
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@RequestMapping("/api/posts")
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@SecurityRequirement(name = "JWT")
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class PostController(
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private val postService: PostService,
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) {
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@Operation(
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summary = "Get all posts",
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description = "Retrieves a list of all posts."
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)
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@GetMapping
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fun getAll(): List<PostDto> {
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return postService.getAll()
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}
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@Operation(
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summary = "Get main page posts",
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description = "Retrieves posts that should be shown on the main page."
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)
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@GetMapping("/main")
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fun getMainPagePosts(): List<PostDto> {
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return postService.getMainPagePosts()
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}
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@Operation(
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summary = "Get post by ID",
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description = "Retrieves a post by its ID."
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)
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@GetMapping("/{id}")
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fun getById(@PathVariable id: Long): PostDto {
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return postService.getById(id)
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}
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@Operation(
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summary = "[ADMIN] Create a new post",
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description = "Creates a new post. Required admin role."
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)
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@RolesAllowed("ADMIN")
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@PostMapping
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fun create(@RequestBody createPostDto: CreatePostDto, @AuthenticationPrincipal user: User): PostDto {
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return postService.create(createPostDto)
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}
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@Operation(
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summary = "[ADMIN] Update a post",
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description = "Updates an existing post by ID. Required admin role."
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)
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@RolesAllowed("ADMIN")
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@PutMapping("/{id}")
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fun update(@PathVariable id: Long, @RequestBody postDto: PostDto, @AuthenticationPrincipal user: User): PostDto {
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return postService.update(id, postDto)
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}
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@Operation(
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summary = "[ADMIN] Delete a post",
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description = "Deletes a post by ID. Required admin role."
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)
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@RolesAllowed("ADMIN")
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@DeleteMapping("/{id}")
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fun delete(@PathVariable id: Long, @AuthenticationPrincipal user: User): ResponseEntity<Void> {
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postService.delete(id)
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return ResponseEntity.noContent().build()
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}
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}

‎BACKEND_V2/src/main/resources/db/migrations/V7__add_posts.sql‎

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CREATE TABLE posts
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(
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id BIGINT GENERATED BY DEFAULT AS IDENTITY NOT NULL,
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created_at TIMESTAMP WITHOUT TIME ZONE,
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updated_at TIMESTAMP WITHOUT TIME ZONE,
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title VARCHAR(255) NOT NULL,
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content VARCHAR(255) NOT NULL,
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show_at_main BOOLEAN NOT NULL,
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CONSTRAINT pk_posts PRIMARY KEY (id)
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);

‎FRONTEND_V2/src/App.jsx‎

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import ChangeLanguagePage from "./pages/shared/ChangeLanguagePage.jsx";
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import RegisterPage from "./pages/shared/RegisterPage.jsx";
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import {AdminProblemsPageImportFromJSON} from "./pages/admin/problems/AdminProblemsPageImportFromJSON.jsx";
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import {PostPage} from "./pages/shared/PostPage.jsx";
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import {AdminPostPage} from "./pages/admin/pages/AdminPostPage.jsx";
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import {AdminPostsPageCreate} from "./pages/admin/pages/AdminPostsPageCreate.jsx";
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import {AdminPostsPageEdit} from "./pages/admin/pages/AdminPostsPageEdit.jsx";
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import("../node_modules/bootstrap/dist/js/bootstrap.min.js")
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<Route path="/" element={<LoginPage/>}/>
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<Route path="/register" element={<RegisterPage/>}/>
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<Route path="/posts/:postId" element={<PostPage/>}/>
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<Route path="/problems" element={<ProblemsListPage/>}/>
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<Route path="/champs/:compId/problems" element={<ProblemsListPage/>}/>
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<Route path="/champs/:compId/problems/:id" element={<SeeProblemPage/>}/>
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<Route path="/admin/problems/import/polygon" element={<AdminProblemsPageImportFromPolygon/>}/>
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<Route path="/admin/problems/import/json" element={<AdminProblemsPageImportFromJSON/>}/>
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<Route path="/admin/problems/:probId/edit" element={<AdminProblemsPageEdit/>}/>
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<Route path="/admin/posts" element={<AdminPostPage/>}/>
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<Route path="/admin/posts/create" element={<AdminPostsPageCreate/>}/>
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<Route path="/admin/posts/:postId/edit" element={<AdminPostsPageEdit/>}/>
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<Route path="/admin/champs" element={<AdminChampsPage/>}/>
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<Route path="/admin/checkers" element={<AdminCheckersPage/>}/>
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<Route path="/admin/checkers/:checkId/edit" element={<AdminCheckersEditPage/>}/>
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<Route path="/admin/checkers/create" element={<AdminCheckersCreatePage/>}/>
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<Route path="/admin/champs/:compId/edit" element={<AdminChampsDetailPage/>}/>
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<Route path="/admin/champs/create" element={<AdminChampsCreate/>}/>
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<Route path="/admin/champs/:compId/edit/users" element={<AdminUsersDetailPage/>}/>

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