Get Questions and Answers for UserProfile

backend/src/main/java/com/group1/programminglanguagesforum/Config/ModelMapperConfig.java

@@ -30,6 +30,13 @@ protected void configure() {
                 skip(destination.getFollowing());
             }
         });
+        modelMapper.addMappings(new PropertyMap<User, SelfProfileResponseDto>() {
+            @Override
+            protected void configure() {
+                skip(destination.getQuestions());
+                skip(destination.getAnswers());
+            }
+        });
         modelMapper.addMappings(new PropertyMap <UserProfileResponseDto,User>() {
             @Override
             protected void configure() {

backend/src/main/java/com/group1/programminglanguagesforum/Controllers/UserController.java

@@ -2,14 +2,12 @@
 
 import com.group1.programminglanguagesforum.Constants.EndpointConstants;
 import com.group1.programminglanguagesforum.DTOs.Requests.UserProfileUpdateRequestDto;
-import com.group1.programminglanguagesforum.DTOs.Responses.ErrorResponse;
-import com.group1.programminglanguagesforum.DTOs.Responses.GenericApiResponse;
-import com.group1.programminglanguagesforum.DTOs.Responses.SelfProfileResponseDto;
-import com.group1.programminglanguagesforum.DTOs.Responses.UserProfileResponseDto;
-import com.group1.programminglanguagesforum.DTOs.Responses.UserSummaryDto;
+import com.group1.programminglanguagesforum.DTOs.Responses.*;
 import com.group1.programminglanguagesforum.Entities.User;
 import com.group1.programminglanguagesforum.Exceptions.UnauthorizedAccessException;
 import com.group1.programminglanguagesforum.Exceptions.UserNotFoundException;
+import com.group1.programminglanguagesforum.Services.AnswerService;
+import com.group1.programminglanguagesforum.Services.QuestionService;
 import com.group1.programminglanguagesforum.Services.UserContextService;
 import com.group1.programminglanguagesforum.Services.UserService;
 import com.group1.programminglanguagesforum.Util.ApiResponseBuilder;
@@ -33,6 +31,8 @@ public class UserController extends BaseController {
         private final UserContextService userContextService;
         private final UserService userService;
         private final ModelMapper modelMapper;
+        private final QuestionService questionService;
+        private final AnswerService answerService;
 
         @GetMapping(value = EndpointConstants.UserEndpoints.USER_ME)
         public ResponseEntity<GenericApiResponse<SelfProfileResponseDto>> getUser() {
@@ -41,6 +41,16 @@ public ResponseEntity<GenericApiResponse<SelfProfileResponseDto>> getUser() {
                         User user = userContextService.getCurrentUser();
                         SelfProfileResponseDto selfProfileResponseDto = modelMapper.map(user,
                                         SelfProfileResponseDto.class);
+                        List<QuestionSummaryDto> questions = questionService.findByAuthorId(user.getId());
+                        List<GetAnswerDtoForProfile> answers = answerService.findByAnsweredBy(user.getId());
+                        selfProfileResponseDto.setQuestionCount((long) questions.size());
+                        selfProfileResponseDto.setQuestions(
+                                questions);
+                        selfProfileResponseDto.setAnswerCount((long) answers.size());
+                        selfProfileResponseDto.setAnswers(
+                                answers);
+
+
                         GenericApiResponse<SelfProfileResponseDto> response = ApiResponseBuilder.buildSuccessResponse(
                                         selfProfileResponseDto.getClass(),
                                         "User retrieved successfully",

backend/src/main/java/com/group1/programminglanguagesforum/DTOs/Responses/GetAnswerDtoForProfile.java

@@ -0,0 +1,31 @@
+package com.group1.programminglanguagesforum.DTOs.Responses;
+
+import lombok.*;
+
+@Builder
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+public class GetAnswerDtoForProfile {
+    private Long id;
+    private String content;
+    private AuthorDto author;
+    private String createdAt;
+    private String updatedAt;
+    private Long upvoteCount;
+    private Long downvoteCount;
+    private boolean selfAnswer;
+    private Integer selfVoted;
+    @Builder
+    @Getter
+    @Setter
+    @NoArgsConstructor
+    @AllArgsConstructor
+   public static class QuesitonInfoForAnswer {
+        private Long id;
+        private String title;
+    }
+    private QuesitonInfoForAnswer question;
+
+}

backend/src/main/java/com/group1/programminglanguagesforum/DTOs/Responses/SelfProfileResponseDto.java

@@ -2,6 +2,8 @@
 import com.group1.programminglanguagesforum.Entities.ExperienceLevel;
 import lombok.*;
 
+import java.util.List;
+
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
@@ -19,5 +21,8 @@ public class SelfProfileResponseDto {
     private int followersCount;
     private int followingCount;
     private int reputationPoints;
+    private Long questionCount;
     private ExperienceLevel experienceLevel;
+    private List<QuestionSummaryDto> questions;
+    private List<GetAnswerDtoForProfile> answers;
 }

backend/src/main/java/com/group1/programminglanguagesforum/Repositories/AnswerRepository.java

@@ -1,9 +1,16 @@
 package com.group1.programminglanguagesforum.Repositories;
 
 import com.group1.programminglanguagesforum.Entities.Answer;
+import com.group1.programminglanguagesforum.Entities.User;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
 import org.springframework.stereotype.Repository;
 
+import java.util.List;
+
 @Repository
 public interface AnswerRepository extends JpaRepository<Answer,Long> {
+
+    @Query("SELECT a FROM Answer a WHERE a.answeredBy.id = :userId")
+    List<Answer> findByAnsweredBy(Long userId);
 }

backend/src/main/java/com/group1/programminglanguagesforum/Repositories/QuestionRepository.java

@@ -28,4 +28,6 @@ Page<Question> searchQuestions(
             @Param("tagIds") List<Long> tagIds,
             @Param("difficulty") DifficultyLevel difficulty,
             Pageable pageable);
+    @Query("SELECT q FROM Question q WHERE q.askedBy.id = :author")
+    List<Question> findByAuthorId(@Param("author") Long authorId);
 }

backend/src/main/java/com/group1/programminglanguagesforum/Services/AnswerService.java

@@ -3,6 +3,7 @@
 import com.group1.programminglanguagesforum.DTOs.Requests.CreateAnswerRequestDto;
 import com.group1.programminglanguagesforum.DTOs.Responses.AuthorDto;
 import com.group1.programminglanguagesforum.DTOs.Responses.CreateAnswerResponseDto;
+import com.group1.programminglanguagesforum.DTOs.Responses.GetAnswerDtoForProfile;
 import com.group1.programminglanguagesforum.DTOs.Responses.GetAnswersResponseDto;
 import com.group1.programminglanguagesforum.Entities.Answer;
 import com.group1.programminglanguagesforum.Entities.Question;
@@ -23,6 +24,13 @@ public class AnswerService {
     private final QuestionService questionService;
     private final VoteRepository voteRepository;
 
+
+    public java.util.List<GetAnswerDtoForProfile>  findByAnsweredBy(Long userId) {
+        return answerRepository.findByAnsweredBy(userId).stream()
+                .map(this::mapAnswerToProfileDto)
+                .toList();
+    }
+
     public CreateAnswerResponseDto createAnswer(Long questionId, CreateAnswerRequestDto createAnswerRequestDto) throws UnauthorizedAccessException {
         User currentUser = userContextService.getCurrentUser();
         Question question = questionService.findById(questionId).orElseThrow();
@@ -101,6 +109,32 @@ public GetAnswersResponseDto getAnswersForQuestion(Long questionId) {
                 .build();
     }
 
+    public GetAnswerDtoForProfile mapAnswerToProfileDto(Answer answer){
+        final User currentUser = getCurrentUserOrNull();
+        return GetAnswerDtoForProfile.builder()
+                .id(answer.getId())
+                .content(answer.getAnswerBody())
+                .author(
+                        AuthorDto.builder()
+                                .id(answer.getAnsweredBy().getId())
+                                .username(answer.getAnsweredBy().getUsername())
+                                .reputationPoints(answer.getAnsweredBy().getReputationPoints())
+                                .name(answer.getAnsweredBy().getFirstName() + " " + answer.getAnsweredBy().getLastName())
+                                .build()
+                )
+                .createdAt(answer.getCreatedAt())
+                .updatedAt(answer.getUpdatedAt())
+                .upvoteCount(answer.getUpvoteCount())
+                .downvoteCount(answer.getDownvoteCount())
+                .selfAnswer(currentUser != null && currentUser.getId().equals(answer.getAnsweredBy().getId()))
+                .selfVoted(currentUser != null && voteRepository.findByUserAndAnswer(currentUser, answer).isPresent() ? voteRepository.findByUserAndAnswer(currentUser, answer).get().isUpvote()? 1 : -1 : 0)
+                .question(GetAnswerDtoForProfile.QuesitonInfoForAnswer.builder()
+                        .id(answer.getQuestion().getId())
+                        .title(answer.getQuestion().getTitle())
+                        .build())
+                .build();
+    }
+
     private User getCurrentUserOrNull() {
         try {
             return userContextService.getCurrentUser();

backend/src/main/java/com/group1/programminglanguagesforum/Services/QuestionService.java

@@ -38,6 +38,11 @@ public class QuestionService {
         public Optional<Question> findById(Long id) {
                 return questionRepository.findById(id);
         }
+        public List<QuestionSummaryDto> findByAuthorId(Long authorId) {
+               return   questionRepository.findByAuthorId(authorId).stream()
+                                .map(this::mapToQuestionSummary)
+                                .collect(Collectors.toList());
+        }
 
         public CreateQuestionResponseDto createQuestion(CreateQuestionRequestDto dto)
                         throws UnauthorizedAccessException {