[Feat] FAQ 조회 로직 구현 (#61)

* [Feat] FAQ 삽입 로직 구현

* [Feat] FAQ 조회 로직 구현

* [Feat] FAQ 생성 로직 admin 그룹으로 변경

src/main/java/appjjang/fitpet/domain/admin/api/AdminController.java

@@ -2,6 +2,8 @@
 
 import appjjang.fitpet.domain.admin.application.AdminService;
 import appjjang.fitpet.domain.admin.dto.request.AdminInsuranceRequest;
+import appjjang.fitpet.domain.question.application.QuestionService;
+import appjjang.fitpet.domain.question.dto.request.FaqCreateRequest;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import lombok.RequiredArgsConstructor;
@@ -18,6 +20,7 @@
 @RequestMapping("/admin")
 public class AdminController {
     private final AdminService adminservice;
+    private final QuestionService questionService;
 
     @Operation(summary = "admin으로 체결된 보험 등록", description = "MY펫등록을 진행합니다.")
     @PostMapping("/insurance")
@@ -26,4 +29,12 @@ public ResponseEntity<Void> registerInsurance(@RequestBody AdminInsuranceRequest
         return ResponseEntity.status(HttpStatus.CREATED)
                 .build();
     }
+
+    @Operation(summary = "FAQ 생성", description = "관리자가 FQA를 생성합니다.")
+    @PostMapping("/questions")
+    public ResponseEntity<Void> addQuestion(@RequestBody FaqCreateRequest request) {
+        questionService.addQuestion(request);
+        return ResponseEntity.status(HttpStatus.CREATED)
+                .build();
+    }
 }

src/main/java/appjjang/fitpet/domain/coverage/api/CoverageController.java

@@ -12,7 +12,7 @@
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
-@Tag(name = "관리자 API", description = "클라이언트에서는 사용되지 않습니다.")
+@Tag(name = "admin API", description = "관리자 API 입니다.")
 @RestController
 @RequiredArgsConstructor
 @RequestMapping("/admin")

src/main/java/appjjang/fitpet/domain/question/FaqDto.java

@@ -0,0 +1,17 @@
+package appjjang.fitpet.domain.question;
+
+import appjjang.fitpet.domain.question.domain.Question;
+import lombok.Getter;
+
+@Getter
+public class FaqDto {
+    private String type;
+    private String question;
+    private String answer;
+
+    public FaqDto(Question question) {
+        this.type = question.getType();
+        this.question = question.getTitle();
+        this.answer = question.getAnswer();
+    }
+}

src/main/java/appjjang/fitpet/domain/question/api/QuestionController.java

@@ -0,0 +1,23 @@
+package appjjang.fitpet.domain.question.api;
+
+import appjjang.fitpet.domain.question.application.QuestionService;
+import appjjang.fitpet.domain.question.dto.response.FaqQueryResponse;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import lombok.RequiredArgsConstructor;
+
+import org.springframework.web.bind.annotation.*;
+
+@Tag(name = "FAQ API", description = "FAQ 관련 API입니다.")
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/questions")
+public class QuestionController {
+    private final QuestionService questionService;
+
+    @Operation(summary = "FAQ 조회", description = "모든 FAQ를 조회합니다.")
+    @GetMapping
+    public FaqQueryResponse addQuestion(@RequestParam(required = false) String keyword) {
+        return questionService.getQuestionList(keyword);
+    }
+}

src/main/java/appjjang/fitpet/domain/question/application/QuestionService.java

@@ -0,0 +1,33 @@
+package appjjang.fitpet.domain.question.application;
+
+import appjjang.fitpet.domain.question.FaqDto;
+import appjjang.fitpet.domain.question.dao.QuestionRepository;
+import appjjang.fitpet.domain.question.domain.Question;
+import appjjang.fitpet.domain.question.dto.request.FaqCreateRequest;
+import appjjang.fitpet.domain.question.dto.response.FaqQueryResponse;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+@RequiredArgsConstructor
+@Transactional
+public class QuestionService {
+    private final QuestionRepository questionRepository;
+
+    public void addQuestion(FaqCreateRequest request) {
+        questionRepository.save(Question.createQuestion(request.getType(), request.getTitle(), request.getAnswer()));
+    }
+
+    @Transactional(readOnly = true)
+    public FaqQueryResponse getQuestionList(String keyword) {
+        List<String> types = questionRepository.findDistinctTypes();
+        List<FaqDto> dtoList = questionRepository.findQuestionByType(keyword).stream()
+                .map(FaqDto::new)
+                .collect(Collectors.toList());
+        return new FaqQueryResponse(types.size(), types, dtoList.size(), dtoList);
+    }
+}

src/main/java/appjjang/fitpet/domain/question/dao/QuestionRepository.java

@@ -0,0 +1,9 @@
+package appjjang.fitpet.domain.question.dao;
+
+import appjjang.fitpet.domain.question.domain.Question;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface QuestionRepository extends JpaRepository<Question, Long> , QuestionRepositoryCustom{
+}

src/main/java/appjjang/fitpet/domain/question/dao/QuestionRepositoryCustom.java

@@ -0,0 +1,10 @@
+package appjjang.fitpet.domain.question.dao;
+
+import appjjang.fitpet.domain.question.domain.Question;
+
+import java.util.List;
+
+public interface QuestionRepositoryCustom {
+    List<String> findDistinctTypes();
+    List<Question> findQuestionByType(String keyword);
+}

src/main/java/appjjang/fitpet/domain/question/dao/QuestionRepositoryImpl.java

@@ -0,0 +1,37 @@
+package appjjang.fitpet.domain.question.dao;
+
+import appjjang.fitpet.domain.question.domain.Question;
+import com.querydsl.core.BooleanBuilder;
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+import static appjjang.fitpet.domain.question.domain.QQuestion.question;
+
+@Repository
+@RequiredArgsConstructor
+public class QuestionRepositoryImpl implements QuestionRepositoryCustom{
+    private final JPAQueryFactory queryFactory;
+
+    @Override
+    public List<String> findDistinctTypes() {
+        return queryFactory
+                .select(question.type)
+                .distinct()
+                .from(question)
+                .fetch();
+    }
+
+    @Override
+    public List<Question> findQuestionByType(String keyword) {
+        BooleanBuilder builder = new BooleanBuilder();
+        if (keyword != null) {
+            builder.and(question.type.eq(keyword));
+        }
+        return queryFactory.selectFrom(question)
+                .where(builder)
+                .fetch();
+    }
+}

src/main/java/appjjang/fitpet/domain/question/domain/Question.java

@@ -2,6 +2,7 @@
 
 import jakarta.persistence.*;
 import lombok.AccessLevel;
+import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 
@@ -16,5 +17,22 @@ public class Question {
 
     private String type;
     private String title;
+
+    @Column(length = 2000)
     private String answer;
+
+    @Builder
+    private Question(String type, String title, String answer) {
+        this.type = type;
+        this.title = title;
+        this.answer = answer;
+    }
+
+    public static Question createQuestion(String type, String title, String answer) {
+        return Question.builder()
+                .type(type)
+                .title(title)
+                .answer(answer)
+                .build();
+    }
 }

src/main/java/appjjang/fitpet/domain/question/dto/request/FaqCreateRequest.java

@@ -0,0 +1,12 @@
+package appjjang.fitpet.domain.question.dto.request;
+
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+public class FaqCreateRequest {
+    private String type;
+    private String title;
+    private String answer;
+}

src/main/java/appjjang/fitpet/domain/question/dto/response/FaqQueryResponse.java

@@ -0,0 +1,16 @@
+package appjjang.fitpet.domain.question.dto.response;
+
+import appjjang.fitpet.domain.question.FaqDto;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import java.util.List;
+
+@Getter
+@AllArgsConstructor
+public class FaqQueryResponse {
+    private long typeCount;
+    private List<String> typeList;
+    private int questionCount;
+    private List<FaqDto> questionList;
+}