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should create article success

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This commit is contained in:
aisensiy
2017-08-15 10:47:18 +08:00
parent b1e8632c3b
commit 00f778c087
32 changed files with 825 additions and 37 deletions
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67
src/main/java/io/spring/api/ArticlesApi.java Normal file
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package io.spring.api;
import com.fasterxml.jackson.annotation.JsonRootName;
import io.spring.api.exception.InvalidRequestException;
import io.spring.application.article.ArticleQueryService;
import io.spring.core.article.Article;
import io.spring.core.article.ArticleRepository;
import io.spring.core.user.User;
import lombok.Getter;
import lombok.NoArgsConstructor;
import org.hibernate.validator.constraints.NotBlank;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.security.core.annotation.AuthenticationPrincipal;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import javax.validation.Valid;
@RestController
@RequestMapping(path = "/articles")
public class ArticlesApi {
private ArticleRepository articleRepository;
private ArticleQueryService articleQueryService;
@Autowired
public ArticlesApi(ArticleRepository articleRepository, ArticleQueryService articleQueryService) {
this.articleRepository = articleRepository;
this.articleQueryService = articleQueryService;
}
@PostMapping
public ResponseEntity createArticle(@Valid @RequestBody NewArticleParam newArticleParam,
BindingResult bindingResult,
@AuthenticationPrincipal User user) {
if (bindingResult.hasErrors()) {
throw new InvalidRequestException(bindingResult);
}
Article article = new Article(
articleRepository.toSlug(
newArticleParam.getTitle()),
newArticleParam.getTitle(),
newArticleParam.getDescription(),
newArticleParam.getBody(),
newArticleParam.getTagList(),
user.getId());
articleRepository.save(article);
return ResponseEntity.ok(articleQueryService.findById(article.getId(), user).get());
}
}
@Getter
@JsonRootName("article")
@NoArgsConstructor
class NewArticleParam {
@NotBlank(message = "can't be empty")
private String title;
@NotBlank(message = "can't be empty")
private String description;
@NotBlank(message = "can't be empty")
private String body;
private String[] tagList;
}

31
src/main/java/io/spring/application/article/ArticleData.java Normal file
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package io.spring.application.article;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonRootName;
import io.spring.application.profile.ProfileData;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.joda.time.DateTime;
import java.util.List;
@Data
@NoArgsConstructor
@AllArgsConstructor
@JsonRootName("article")
public class ArticleData {
private String id;
private String slug;
private String title;
private String description;
private String body;
private boolean favorited;
private int favoritesCount;
private DateTime createdAt;
private DateTime updatedAt;
private List<String> tagList;
@JsonProperty("author")
private ProfileData profileData;
}

13
src/main/java/io/spring/application/article/ArticleFavoritesQueryService.java Normal file
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package io.spring.application.article;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Component;
@Mapper
@Component
public interface ArticleFavoritesQueryService {
boolean isUserFavorite(@Param("userId") String userId, @Param("articleId") String articleId);
int articleFavoriteCount(@Param("articleId") String articleId);
}

39
src/main/java/io/spring/application/article/ArticleQueryService.java Normal file
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package io.spring.application.article;
import io.spring.application.profile.UserRelationshipQueryService;
import io.spring.core.user.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.Optional;
@Service
public class ArticleQueryService {
private ArticleReadService articleReadService;
private UserRelationshipQueryService userRelationshipQueryService;
private ArticleFavoritesQueryService articleFavoritesQueryService;
@Autowired
public ArticleQueryService(ArticleReadService articleReadService,
UserRelationshipQueryService userRelationshipQueryService,
ArticleFavoritesQueryService articleFavoritesQueryService) {
this.articleReadService = articleReadService;
this.userRelationshipQueryService = userRelationshipQueryService;
this.articleFavoritesQueryService = articleFavoritesQueryService;
}
public Optional<ArticleData> findById(String id, User user) {
ArticleData articleData = articleReadService.ofId(id);
if (articleData == null) {
return Optional.empty();
} else {
articleData.setFavorited(articleFavoritesQueryService.isUserFavorite(user.getId(), id));
articleData.setFavoritesCount(articleFavoritesQueryService.articleFavoriteCount(id));
articleData.getProfileData().setFollowing(
userRelationshipQueryService.isUserFollowing(
user.getId(),
articleData.getProfileData().getId()));
return Optional.of(articleData);
}
}
}

11
src/main/java/io/spring/application/article/ArticleReadService.java Normal file
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@@ -0,0 +1,11 @@
package io.spring.application.article;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Component;
@Component
@Mapper
public interface ArticleReadService {
ArticleData ofId(@Param("id") String id);
}

18
src/main/java/io/spring/application/profile/ProfileData.java Normal file
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@@ -0,0 +1,18 @@
package io.spring.application.profile;
import com.fasterxml.jackson.annotation.JsonIgnore;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@NoArgsConstructor
@AllArgsConstructor
public class ProfileData {
@JsonIgnore
private String id;
private String username;
private String bio;
private String image;
private boolean following;
}

11
src/main/java/io/spring/application/profile/UserRelationshipQueryService.java Normal file
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@@ -0,0 +1,11 @@
package io.spring.application.profile;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Component;
@Component
@Mapper
public interface UserRelationshipQueryService {
boolean isUserFollowing(@Param("userId") String userId, @Param("anotherUserId") String anotherUserId);
}

2
src/main/java/io/spring/application/user/UserData.java
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@@ -11,10 +11,8 @@ import javax.persistence.Id;
@Data
@NoArgsConstructor
@AllArgsConstructor
@Entity
@JsonRootName("user")
public class UserData {
@Id
private String id;
private String email;
private String username;

4
src/main/java/io/spring/application/user/UserQueryService.java
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@@ -16,12 +16,12 @@ public class UserQueryService {
}
public UserWithToken fetchNewAuthenticatedUser(String username) {
UserData userData = userReadService.findOne(username);
UserData userData = userReadService.findByUsername(username);
return new UserWithToken(userData, jwtService.toToken(userData));
}
public UserWithToken fetchCurrentUser(String username, String token) {
return new UserWithToken(userReadService.findOne(username), token);
return new UserWithToken(userReadService.findByUsername(username), token);
}
}

9
src/main/java/io/spring/application/user/UserReadService.java
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@@ -1,8 +1,13 @@
package io.spring.application.user;
import org.springframework.data.repository.CrudRepository;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Component;
public interface UserReadService extends CrudRepository<UserData, String> {
@Component
@Mapper
public interface UserReadService {
UserData findByUsername(@Param("username") String username);
}

41
src/main/java/io/spring/core/article/Article.java Normal file
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package io.spring.core.article;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.NoArgsConstructor;
import org.joda.time.DateTime;
import java.util.Arrays;
import java.util.List;
import java.util.UUID;
import static java.util.stream.Collectors.toList;
import static java.util.stream.Collectors.toSet;
@Getter
@NoArgsConstructor
@EqualsAndHashCode(of = {"id"})
public class Article {
private String userId;
private String id;
private String slug;
private String title;
private String description;
private String body;
private List<Tag> tags;
private DateTime createdAt;
private DateTime updatedAt;
public Article(String slug, String title, String description, String body, String[] tagList, String userId) {
this.id = UUID.randomUUID().toString();
this.slug = slug;
this.title = title;
this.description = description;
this.body = body;
this.tags = Arrays.stream(tagList).collect(toSet()).stream().map(Tag::new).collect(toList());
this.userId = userId;
this.createdAt = new DateTime();
this.updatedAt = new DateTime();
}
}

11
src/main/java/io/spring/core/article/ArticleRepository.java Normal file
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package io.spring.core.article;
import java.util.Optional;
public interface ArticleRepository {
String toSlug(String title);
void save(Article article);
Optional<Article> findById(String id);
}

20
src/main/java/io/spring/core/article/Tag.java Normal file
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@@ -0,0 +1,20 @@
package io.spring.core.article;
import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.NoArgsConstructor;
import java.util.UUID;
@Data
@NoArgsConstructor
@EqualsAndHashCode(of = "name")
public class Tag {
private String id;
private String name;
public Tag(String name) {
this.id = UUID.randomUUID().toString();
this.name = name;
}
}

2
src/main/java/io/spring/core/user/User.java
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@@ -9,7 +9,7 @@ import java.util.UUID;
@Getter
@NoArgsConstructor
@EqualsAndHashCode(of = {"username"})
@EqualsAndHashCode(of = {"id"})
public class User {
private String id;
private String email;

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src/main/java/io/spring/infrastructure/article/ArticleMapper.java Normal file
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@@ -0,0 +1,21 @@
package io.spring.infrastructure.article;
import io.spring.core.article.Article;
import io.spring.core.article.Tag;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Component;
@Component
@Mapper
public interface ArticleMapper {
void insert(@Param("article") Article article);
Article findById(@Param("id") String id);
boolean findTag(@Param("tagName") String tagName);
void insertTag(@Param("tag") Tag tag);
void insertArticleTagRelation(@Param("articleId") String articleId, @Param("tagId") String tagId);
}

38
src/main/java/io/spring/infrastructure/article/MyBatisArticleRepository.java Normal file
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@@ -0,0 +1,38 @@
package io.spring.infrastructure.article;
import io.spring.core.article.Article;
import io.spring.core.article.ArticleRepository;
import io.spring.core.article.Tag;
import org.springframework.stereotype.Repository;
import java.util.Optional;
@Repository
public class MyBatisArticleRepository implements ArticleRepository {
private ArticleMapper articleMapper;
public MyBatisArticleRepository(ArticleMapper articleMapper) {
this.articleMapper = articleMapper;
}
@Override
public String toSlug(String title) {
return title.toLowerCase().replace(' ', '-');
}
@Override
public void save(Article article) {
articleMapper.insert(article);
for (Tag tag : article.getTags()) {
if (!articleMapper.findTag(tag.getName())) {
articleMapper.insertTag(tag);
}
articleMapper.insertArticleTagRelation(article.getId(), tag.getId());
}
}
@Override
public Optional<Article> findById(String id) {
return Optional.ofNullable(articleMapper.findById(id));
}
}

44
src/main/java/io/spring/infrastructure/mybatis/DateTimeHandler.java Normal file
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package io.spring.infrastructure.mybatis;
import org.apache.ibatis.type.JdbcType;
import org.apache.ibatis.type.MappedTypes;
import org.apache.ibatis.type.TypeHandler;
import org.joda.time.DateTime;
import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Timestamp;
import java.util.Calendar;
import java.util.TimeZone;
@MappedTypes(DateTime.class)
public class DateTimeHandler implements TypeHandler<DateTime> {
private static final Calendar UTC_CALENDAR = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
@Override
public void setParameter(PreparedStatement ps, int i, DateTime parameter, JdbcType jdbcType) throws SQLException {
ps.setTimestamp(i, parameter != null ? new Timestamp(parameter.getMillis()) : null, UTC_CALENDAR);
}
@Override
public DateTime getResult(ResultSet rs, String columnName) throws SQLException {
Timestamp timestamp = rs.getTimestamp(columnName, UTC_CALENDAR);
return timestamp != null ? new DateTime(timestamp.getTime()) : null;
}
@Override
public DateTime getResult(ResultSet rs, int columnIndex) throws SQLException {
Timestamp timestamp = rs.getTimestamp(columnIndex, UTC_CALENDAR);
return timestamp != null ? new DateTime(timestamp.getTime()) : null;
}
@Override
public DateTime getResult(CallableStatement cs, int columnIndex) throws SQLException {
Timestamp ts = cs.getTimestamp(columnIndex, UTC_CALENDAR);
return ts != null ? new DateTime(ts.getTime()) : null;
}
}