93 lines
4.0 KiB
Java
93 lines
4.0 KiB
Java
package io.spring.api;
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import com.fasterxml.jackson.annotation.JsonRootName;
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import io.spring.api.exception.InvalidRequestException;
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import io.spring.application.Page;
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import io.spring.application.ArticleQueryService;
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import io.spring.core.article.Article;
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import io.spring.core.article.ArticleRepository;
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import io.spring.core.user.User;
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import lombok.Getter;
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import lombok.NoArgsConstructor;
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import javax.validation.constraints.NotBlank;
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import org.springframework.beans.factory.annotation.Autowired;
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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.validation.BindingResult;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestBody;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import javax.validation.Valid;
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import java.util.HashMap;
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@RestController
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@RequestMapping(path = "/articles")
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public class ArticlesApi {
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private ArticleRepository articleRepository;
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private ArticleQueryService articleQueryService;
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@Autowired
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public ArticlesApi(ArticleRepository articleRepository, ArticleQueryService articleQueryService) {
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this.articleRepository = articleRepository;
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this.articleQueryService = articleQueryService;
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}
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@PostMapping
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public ResponseEntity createArticle(@Valid @RequestBody NewArticleParam newArticleParam,
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BindingResult bindingResult,
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@AuthenticationPrincipal User user) {
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if (bindingResult.hasErrors()) {
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throw new InvalidRequestException(bindingResult);
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}
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if (articleQueryService.findBySlug(Article.toSlug(newArticleParam.getTitle()), null).isPresent()) {
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bindingResult.rejectValue("title", "DUPLICATED", "article name exists");
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throw new InvalidRequestException(bindingResult);
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}
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Article article = new Article(
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newArticleParam.getTitle(),
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newArticleParam.getDescription(),
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newArticleParam.getBody(),
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newArticleParam.getTagList(),
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user.getId());
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articleRepository.save(article);
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return ResponseEntity.ok(new HashMap<String, Object>() {{
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put("article", articleQueryService.findById(article.getId(), user).get());
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}});
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}
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@GetMapping(path = "feed")
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public ResponseEntity getFeed(@RequestParam(value = "offset", defaultValue = "0") int offset,
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@RequestParam(value = "limit", defaultValue = "20") int limit,
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@AuthenticationPrincipal User user) {
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return ResponseEntity.ok(articleQueryService.findUserFeed(user, new Page(offset, limit)));
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}
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@GetMapping
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public ResponseEntity getArticles(@RequestParam(value = "offset", defaultValue = "0") int offset,
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@RequestParam(value = "limit", defaultValue = "20") int limit,
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@RequestParam(value = "tag", required = false) String tag,
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@RequestParam(value = "favorited", required = false) String favoritedBy,
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@RequestParam(value = "author", required = false) String author,
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@AuthenticationPrincipal User user) {
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return ResponseEntity.ok(articleQueryService.findRecentArticles(tag, author, favoritedBy, new Page(offset, limit), user));
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}
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}
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@Getter
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@JsonRootName("article")
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@NoArgsConstructor
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class NewArticleParam {
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@NotBlank(message = "can't be empty")
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private String title;
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@NotBlank(message = "can't be empty")
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private String description;
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@NotBlank(message = "can't be empty")
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private String body;
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private String[] tagList;
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} |