bugfix

build.gradle

@@ -13,6 +13,7 @@ buildscript {
 apply plugin: 'java'
 apply plugin: 'eclipse'
 apply plugin: 'idea'
+apply plugin: 'findbugs'
 apply plugin: 'org.springframework.boot'
 
 version = '0.0.1-SNAPSHOT'
@@ -22,6 +23,12 @@ repositories {
 	mavenCentral()
 }
 
+tasks.withType(FindBugs) {
+    reports {
+        xml.enabled false
+        html.enabled true
+    }
+}
 
 dependencies {
 	compile('org.springframework.boot:spring-boot-starter-data-jpa')

src/main/java/io/spring/api/CommentsApi.java

@@ -28,7 +28,6 @@ import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.RestController;
 
 import javax.validation.Valid;
-import javax.xml.ws.Response;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -67,7 +66,7 @@ public class CommentsApi {
     public ResponseEntity getComments(@PathVariable("slug") String slug,
                                       @AuthenticationPrincipal User user) {
         Article article = findArticle(slug);
-        List<CommentData> comments = commentQueryService.findByArticleSlug(article.getSlug(), user);
+        List<CommentData> comments = commentQueryService.findByArticleId(article.getId(), user);
         return ResponseEntity.ok(new HashMap<String, Object>() {{
             put("comments", comments);
         }});

src/main/java/io/spring/api/CurrentUserApi.java

@@ -1,6 +1,7 @@
 package io.spring.api;
 
 import com.fasterxml.jackson.annotation.JsonRootName;
+import io.spring.api.exception.InvalidRequestException;
 import io.spring.application.user.UserQueryService;
 import io.spring.application.user.UserWithToken;
 import io.spring.core.user.User;
@@ -22,6 +23,7 @@ import org.springframework.web.bind.annotation.RestController;
 import javax.validation.Valid;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Optional;
 
 @RestController
 @RequestMapping(path = "/user")
@@ -43,9 +45,13 @@ public class CurrentUserApi {
 
     @PutMapping
     public ResponseEntity updateProfile(@AuthenticationPrincipal User currentUser,
-                                        @RequestHeader(value = "Authorization") String authorization,
                                         @Valid @RequestBody UpdateUserParam updateUserParam,
                                         BindingResult bindingResult) {
+        if (bindingResult.hasErrors()) {
+            throw new InvalidRequestException(bindingResult);
+        }
+        checkUniquenessOfUsernameAndEmail(currentUser, updateUserParam, bindingResult);
+
         currentUser.update(
             updateUserParam.getEmail(),
             updateUserParam.getUsername(),
@@ -53,7 +59,27 @@ public class CurrentUserApi {
             updateUserParam.getBio(),
             updateUserParam.getImage());
         userRepository.save(currentUser);
-        return ResponseEntity.ok(userResponse(userQueryService.fetchCurrentUser(currentUser.getUsername(), authorization.split(" ")[1])));
+        return ResponseEntity.ok(userResponse(userQueryService.fetchNewAuthenticatedUser(currentUser.getUsername())));
+    }
+
+    private void checkUniquenessOfUsernameAndEmail(User currentUser, UpdateUserParam updateUserParam, BindingResult bindingResult) {
+        if (!"".equals(updateUserParam.getUsername())) {
+            Optional<User> byUsername = userRepository.findByUsername(updateUserParam.getUsername());
+            if (byUsername.isPresent() && !byUsername.get().equals(currentUser)) {
+                bindingResult.rejectValue("username", "DUPLICATED", "username already exist");
+            }
+        }
+
+        if (!"".equals(updateUserParam.getEmail())) {
+            Optional<User> byEmail = userRepository.findByEmail(updateUserParam.getEmail());
+            if (byEmail.isPresent() && !byEmail.get().equals(currentUser)) {
+                bindingResult.rejectValue("email", "DUPLICATED", "email already exist");
+            }
+        }
+
+        if (bindingResult.hasErrors()) {
+            throw new InvalidRequestException(bindingResult);
+        }
     }
 
     private Map<String, Object> userResponse(UserWithToken userWithToken) {

src/main/java/io/spring/api/security/CORSConfig.java

@@ -0,0 +1,25 @@
+package io.spring.api.security;
+
+import org.springframework.boot.web.servlet.FilterRegistrationBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.cors.CorsConfiguration;
+import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
+import org.springframework.web.filter.CorsFilter;
+
+@Configuration
+public class CORSConfig {
+    @Bean
+    public FilterRegistrationBean corsFilter() {
+        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
+        CorsConfiguration config = new CorsConfiguration();
+        config.setAllowCredentials(true);
+        config.addAllowedOrigin("*");
+        config.addAllowedHeader("*");
+        config.addAllowedMethod("*");
+        source.registerCorsConfiguration("/**", config);
+        FilterRegistrationBean bean = new FilterRegistrationBean(new CorsFilter(source));
+        bean.setOrder(0);
+        return bean;
+    }
+}

src/main/java/io/spring/api/security/JwtTokenFilter.java

@@ -30,16 +30,17 @@ public class JwtTokenFilter extends OncePerRequestFilter {
     @Override
     protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
         getTokenString(request.getHeader(header)).ifPresent(token -> {
-            jwtService.getSubFromToken(token).ifPresent(username -> {
+            jwtService.getSubFromToken(token).ifPresent(id -> {
                 if (SecurityContextHolder.getContext().getAuthentication() == null) {
-                    User user = userRepository.findByUsername(username).get();
-                    UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(
-                        user,
-                        null,
-                        Collections.emptyList()
-                    );
-                    authenticationToken.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
-                    SecurityContextHolder.getContext().setAuthentication(authenticationToken);
+                    userRepository.findById(id).ifPresent(user -> {
+                        UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(
+                            user,
+                            null,
+                            Collections.emptyList()
+                        );
+                        authenticationToken.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
+                        SecurityContextHolder.getContext().setAuthentication(authenticationToken);
+                    });
                 }
             });
         });

src/main/java/io/spring/api/security/WebSecurityConfig.java

@@ -25,9 +25,10 @@ public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
             .and()
             .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS).and()
             .authorizeRequests()
+            .antMatchers(HttpMethod.OPTIONS).permitAll()
             .antMatchers(HttpMethod.GET, "/articles/feed").authenticated()
             .antMatchers(HttpMethod.POST, "/users", "/users/login").permitAll()
-            .antMatchers(HttpMethod.GET, "/articles/**", "/profiles/**").permitAll()
+            .antMatchers(HttpMethod.GET, "/articles/**", "/profiles/**", "/tags").permitAll()
             .anyRequest().authenticated();
 
         http.addFilterBefore(jwtTokenFilter(), UsernamePasswordAuthenticationFilter.class);

src/main/java/io/spring/application/comment/CommentQueryService.java

@@ -4,9 +4,10 @@ import io.spring.application.profile.UserRelationshipQueryService;
 import io.spring.core.user.User;
 import org.springframework.stereotype.Service;
 
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
+import java.util.Set;
+import java.util.stream.Collectors;
 
 @Service
 public class CommentQueryService {
@@ -31,7 +32,16 @@ public class CommentQueryService {
         return Optional.ofNullable(commentData);
     }
 
-    public List<CommentData> findByArticleSlug(String slug, User user) {
-        return new ArrayList<>();
+    public List<CommentData> findByArticleId(String articleId, User user) {
+        List<CommentData> comments = commentReadService.findByArticleId(articleId);
+        if (comments.size() > 0) {
+            Set<String> followingAuthors = userRelationshipQueryService.followingAuthors(user.getId(), comments.stream().map(commentData -> commentData.getProfileData().getId()).collect(Collectors.toList()));
+            comments.forEach(commentData -> {
+                if (followingAuthors.contains(commentData.getProfileData().getId())) {
+                    commentData.getProfileData().setFollowing(true);
+                }
+            });
+        }
+        return comments;
     }
 }

src/main/java/io/spring/application/comment/CommentReadService.java

@@ -1,10 +1,15 @@
 package io.spring.application.comment;
 
 import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
 import org.springframework.stereotype.Component;
 
+import java.util.List;
+
 @Component
 @Mapper
 public interface CommentReadService {
-    CommentData findById(String id);
+    CommentData findById(@Param("id") String id);
+
+    List<CommentData> findByArticleId(@Param("articleId") String articleId);
 }

src/main/java/io/spring/core/article/Article.java

@@ -53,6 +53,7 @@ public class Article {
         if (!"".equals(body)) {
             this.body = body;
         }
+        this.updatedAt = new DateTime();
     }
 
     private String toSlug(String title) {

src/main/java/io/spring/infrastructure/service/DefaultJwtService.java

@@ -28,7 +28,7 @@ public class DefaultJwtService implements JwtService {
     @Override
     public String toToken(UserData userData) {
         return Jwts.builder()
-            .setSubject(userData.getUsername())
+            .setSubject(userData.getId())
             .setExpiration(expireTimeFromNow())
             .signWith(SignatureAlgorithm.HS512, secret)
             .compact();

src/main/resources/mapper/ArticleFavoritesQueryService.xml

@@ -8,7 +8,7 @@
         select count(1) from article_favorites where article_id = #{articleId}
     </select>
     <select id="articlesFavoriteCount" resultMap="favoriteCount">
-        select A.id, count(A.id) as favoriteCount from articles A
+        select A.id, count(AF.user_id) as favoriteCount from articles A
         left join article_favorites AF on A.id = AF.article_id
         where id in
         <foreach collection="ids" item="item" separator="," open="(" close=")">

src/main/resources/mapper/CommentReadService.xml

@@ -1,17 +1,25 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
 <mapper namespace="io.spring.application.comment.CommentReadService">
-    <select id="findById" resultMap="commentData">
+    <sql id="selectCommentData">
         SELECT
-          C.id commentId,
-          C.body commentBody,
-          C.created_at commentCreatedAt,
-          <include refid="io.spring.application.article.ArticleReadService.profileColumns"/>
+        C.id commentId,
+        C.body commentBody,
+        C.created_at commentCreatedAt,
+        <include refid="io.spring.application.article.ArticleReadService.profileColumns"/>
         from comments C
         left join users U
         on C.user_id = U.id
+    </sql>
+
+    <select id="findById" resultMap="commentData">
+        <include refid="selectCommentData"/>
         where C.id = #{id}
     </select>
+    <select id="findByArticleId" resultMap="commentData">
+        <include refid="selectCommentData"/>
+        where C.article_id = #{articleId}
+    </select>
 
     <resultMap id="commentData" type="io.spring.application.comment.CommentData">
         <id column="commentId" property="id"/>

src/test/java/io/spring/api/CommentsApiTest.java

@@ -115,7 +115,7 @@ public class CommentsApiTest extends TestWithCurrentUser {
 
     @Test
     public void should_get_comments_of_article_success() throws Exception {
-        when(commentQueryService.findByArticleSlug(anyString(), eq(null))).thenReturn(Arrays.asList(commentData));
+        when(commentQueryService.findByArticleId(anyString(), eq(null))).thenReturn(Arrays.asList(commentData));
         RestAssured.when()
             .get("/articles/{slug}/comments", article.getSlug())
             .prettyPeek()

src/test/java/io/spring/api/CurrentUserApiTest.java

@@ -1,20 +1,29 @@
 package io.spring.api;
 
 import io.restassured.RestAssured;
+import io.spring.application.JwtService;
+import io.spring.application.user.UserData;
+import io.spring.core.user.User;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.context.embedded.LocalServerPort;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.test.context.junit4.SpringRunner;
 
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Optional;
 
 import static io.restassured.RestAssured.given;
 import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.CoreMatchers.not;
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.core.IsEqual.equalTo;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.when;
 import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT;
 
 @SpringBootTest(webEnvironment = RANDOM_PORT)
@@ -24,16 +33,9 @@ public class CurrentUserApiTest extends TestWithCurrentUser {
     @LocalServerPort
     private int port;
 
-    protected String email;
-    protected String username;
-    protected String defaultAvatar;
-
     @Before
     public void setUp() throws Exception {
         RestAssured.port = port;
-        email = "john@jacob.com";
-        username = "johnjacob";
-        defaultAvatar = "https://static.productionready.io/images/smiley-cyrus.jpg";
         userFixture();
     }
 
@@ -51,7 +53,7 @@ public class CurrentUserApiTest extends TestWithCurrentUser {
             .body("user.email", equalTo(email))
             .body("user.username", equalTo(username))
             .body("user.bio", equalTo(""))
-            .body("user.image", equalTo("https://static.productionready.io/images/smiley-cyrus.jpg"))
+            .body("user.image", equalTo(defaultAvatar))
             .body("user.token", equalTo(token));
     }
 
@@ -81,14 +83,18 @@ public class CurrentUserApiTest extends TestWithCurrentUser {
     public void should_update_current_user_profile() throws Exception {
         String newEmail = "newemail@example.com";
         String newBio = "updated";
+        String newUsername = "newusernamee";
 
         Map<String, Object> param = new HashMap<String, Object>() {{
             put("user", new HashMap<String, Object>() {{
                 put("email", newEmail);
                 put("bio", newBio);
+                put("username", newUsername);
             }});
         }};
 
+        when(userReadService.findByUsername(eq(newUsername))).thenReturn(new UserData(user.getId(), newEmail, newUsername, newBio, user.getImage()));
+
         given()
             .contentType("application/json")
             .header("Authorization", "Token " + token)
@@ -96,11 +102,44 @@ public class CurrentUserApiTest extends TestWithCurrentUser {
             .when()
             .put("/user")
             .then()
-            .statusCode(200);
+            .statusCode(200)
+            .body("user.token", not(token));
+    }
 
-        assertThat(user.getEmail(), is(newEmail));
-        assertThat(user.getBio(), is(newBio));
-        assertThat(user.getImage(), is(defaultAvatar));
+    @Test
+    public void should_get_error_if_email_exists_when_update_user_profile() throws Exception {
+        String newEmail = "newemail@example.com";
+        String newBio = "updated";
+        String newUsername = "newusernamee";
+
+        Map<String, Object> param = prepareUpdateParam(newEmail, newBio, newUsername);
+
+        when(userRepository.findByEmail(eq(newEmail))).thenReturn(Optional.of(new User(newEmail, "username", "123", "", "")));
+        when(userRepository.findByUsername(eq(newUsername))).thenReturn(Optional.empty());
+
+        when(userReadService.findByUsername(eq(newUsername))).thenReturn(new UserData(user.getId(), newEmail, newUsername, newBio, user.getImage()));
+
+        given()
+            .contentType("application/json")
+            .header("Authorization", "Token " + token)
+            .body(param)
+            .when()
+            .put("/user")
+            .prettyPeek()
+            .then()
+            .statusCode(422)
+            .body("errors.email[0]", equalTo("email already exist"));
+
+    }
+
+    private HashMap<String, Object> prepareUpdateParam(final String newEmail, final String newBio, final String newUsername) {
+        return new HashMap<String, Object>() {{
+            put("user", new HashMap<String, Object>() {{
+                put("email", newEmail);
+                put("bio", newBio);
+                put("username", newUsername);
+            }});
+        }};
     }
 
     @Test

src/test/java/io/spring/application/comment/CommentQueryServiceTest.java

@@ -1,9 +1,13 @@
 package io.spring.application.comment;
 
+import io.spring.core.article.Article;
+import io.spring.core.article.ArticleRepository;
 import io.spring.core.comment.Comment;
 import io.spring.core.comment.CommentRepository;
+import io.spring.core.user.FollowRelation;
 import io.spring.core.user.User;
 import io.spring.core.user.UserRepository;
+import io.spring.infrastructure.article.MyBatisArticleRepository;
 import io.spring.infrastructure.comment.MyBatisCommentRepository;
 import io.spring.infrastructure.user.MyBatisUserRepository;
 import org.junit.Before;
@@ -14,6 +18,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Import;
 import org.springframework.test.context.junit4.SpringRunner;
 
+import java.util.List;
 import java.util.Optional;
 
 import static org.hamcrest.CoreMatchers.is;
@@ -21,7 +26,7 @@ import static org.junit.Assert.*;
 
 @MybatisTest
 @RunWith(SpringRunner.class)
-@Import({MyBatisCommentRepository.class, MyBatisUserRepository.class, CommentQueryService.class})
+@Import({MyBatisCommentRepository.class, MyBatisUserRepository.class, CommentQueryService.class, MyBatisArticleRepository.class})
 public class CommentQueryServiceTest {
     @Autowired
     private CommentRepository commentRepository;
@@ -31,6 +36,10 @@ public class CommentQueryServiceTest {
 
     @Autowired
     private CommentQueryService commentQueryService;
+
+    @Autowired
+    private ArticleRepository articleRepository;
+
     private User user;
 
     @Before
@@ -49,4 +58,23 @@ public class CommentQueryServiceTest {
         CommentData commentData = optional.get();
         assertThat(commentData.getProfileData().getUsername(), is(user.getUsername()));
     }
+
+    @Test
+    public void should_read_comments_of_article() throws Exception {
+        Article article = new Article("title", "desc", "body", new String[]{"java"}, user.getId());
+        articleRepository.save(article);
+
+        User user2 = new User("user2@email.com", "user2", "123", "", "");
+        userRepository.save(user2);
+        userRepository.saveRelation(new FollowRelation(user.getId(), user2.getId()));
+
+        Comment comment1 = new Comment("content1", user.getId(), article.getId());
+        commentRepository.save(comment1);
+        Comment comment2 = new Comment("content2", user2.getId(), article.getId());
+        commentRepository.save(comment2);
+
+        List<CommentData> comments = commentQueryService.findByArticleId(article.getId(), user);
+        assertThat(comments.size(), is(2));
+
+    }
 }

src/test/java/io/spring/application/tag/TagsQueryServiceTest.java

@@ -2,8 +2,6 @@ package io.spring.application.tag;
 
 import io.spring.core.article.Article;
 import io.spring.core.article.ArticleRepository;
-import io.spring.core.article.Tag;
-import io.spring.infrastructure.article.ArticleMapper;
 import io.spring.infrastructure.article.MyBatisArticleRepository;
 import org.junit.Test;
 import org.junit.runner.RunWith;