Feedback and Feedback Category CRUD completed.

pom.xml

@@ -52,21 +52,21 @@
 		</dependency>
 	</dependencies>
 
-	<build>
-		<plugins>
-			<plugin>
-				<groupId>org.springframework.boot</groupId>
-				<artifactId>spring-boot-maven-plugin</artifactId>
-				<configuration>
-					<excludes>
-						<exclude>
-							<groupId>org.projectlombok</groupId>
-							<artifactId>lombok</artifactId>
-						</exclude>
-					</excludes>
-				</configuration>
-			</plugin>
-		</plugins>
-	</build>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <excludes>
+                        <exclude>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                        </exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 
 </project>

src/main/java/com/waa/project/Application.java

@@ -1,13 +1,19 @@
 package com.waa.project;
 
+import org.modelmapper.ModelMapper;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
 
 @SpringBootApplication
 public class Application {
 
-	public static void main(String[] args) {
-		SpringApplication.run(Application.class, args);
-	}
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
 
+    @Bean
+    public ModelMapper modelMapper() {
+        return new ModelMapper();
+    }
 }

src/main/java/com/waa/project/controller/FeedbackCategoryController.java

@@ -0,0 +1,50 @@
+package com.waa.project.controller;
+
+import com.waa.project.dto.FeedbackCategoryDto;
+import com.waa.project.service.FeedbackCategoryService;
+import lombok.AllArgsConstructor;
+import lombok.NoArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@AllArgsConstructor
+@NoArgsConstructor
+@RequestMapping("/api/v1/feedbackcategories")
+public class FeedbackCategoryController {
+
+    @Autowired
+    private FeedbackCategoryService feedbackCategoryService;
+
+    @GetMapping
+    public List<FeedbackCategoryDto> getAllFeedCategory() {
+        return feedbackCategoryService.getAllCategories();
+    }
+
+    @GetMapping("/{catId}")
+    public FeedbackCategoryDto getAllFeedCategory(@PathVariable Long catId) {
+        return feedbackCategoryService.getCategory(catId);
+    }
+
+    @PutMapping("/{catId}")
+    public String getAllFeedCategory(
+            @RequestBody FeedbackCategoryDto feedbackCategoryDto,
+            @PathVariable Long catId
+                                    ) {
+        return feedbackCategoryService.update(feedbackCategoryDto, catId);
+    }
+
+    @PostMapping
+    public String getAllFeedCategory(@RequestBody FeedbackCategoryDto feedbackCategoryDto) {
+        return feedbackCategoryService.save(feedbackCategoryDto);
+    }
+
+    @DeleteMapping("/{catId}")
+    public String delete(@PathVariable Long catId) {
+        return feedbackCategoryService.delete(catId);
+    }
+
+
+}

src/main/java/com/waa/project/controller/FeedbackController.java

@@ -0,0 +1,63 @@
+package com.waa.project.controller;
+
+import com.waa.project.dto.FeedbackDto;
+import com.waa.project.service.FeedbackService;
+import lombok.AllArgsConstructor;
+import lombok.NoArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+@RestController
+@AllArgsConstructor
+@NoArgsConstructor
+@RequestMapping("/api/v1/feedbacks")
+public class FeedbackController {
+
+    @Autowired
+    private FeedbackService feedbackService;
+
+    @GetMapping
+    public List<FeedbackDto> getAllFeedBack() {
+
+        return feedbackService.getAllFeedbacks();
+    }
+
+    @GetMapping("/category/{Id}")
+    public List<FeedbackDto> getFeedByCategory(@PathVariable Long Id) {
+        return feedbackService.findFeedbackByCategory(Id);
+    }
+
+    @PutMapping("/{Id}")
+    public String update(
+            @RequestBody FeedbackDto feedbackDto, @PathVariable Long Id
+                        ) {
+        return feedbackService.update(feedbackDto, Id);
+    }
+
+    @PostMapping
+    public String save(@RequestBody FeedbackDto feedbackDto) {
+        return feedbackService.save(feedbackDto);
+    }
+
+    @DeleteMapping("/{Id}")
+    public String delete(@PathVariable Long Id) {
+
+        return feedbackService.delete(Id);
+    }
+
+    @GetMapping("/reports")
+    public Map<String, Integer> findFeedbackByCategoryCount() {
+        List<Object[]> results = feedbackService.findFeedbackByCategoryCount();
+        return results.stream()
+                      .collect(Collectors.toMap(
+                              result -> (String) result[0],
+                              result -> ((Long) result[1]).intValue()
+                                               ));
+
+    }
+
+}

src/main/java/com/waa/project/dto/FeedbackCategoryDto.java

@@ -0,0 +1,10 @@
+package com.waa.project.dto;
+
+import lombok.Data;
+
+@Data
+public class FeedbackCategoryDto {
+    private Long   id;
+    private String name;
+    private String description;
+}

src/main/java/com/waa/project/dto/FeedbackDto.java

@@ -0,0 +1,14 @@
+package com.waa.project.dto;
+
+import com.waa.project.entity.FeedbackCategory;
+import com.waa.project.entity.Student;
+import lombok.Data;
+
+@Data
+public class FeedbackDto {
+    private Long             id;
+    private String           title;
+    private String           body;
+    private FeedbackCategory feedbackCategory;
+    private Student          student;
+}

src/main/java/com/waa/project/repository/FeedbackCategoryRepository.java

@@ -0,0 +1,9 @@
+package com.waa.project.repository;
+
+import com.waa.project.entity.FeedbackCategory;
+import org.springframework.data.repository.ListCrudRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface FeedbackCategoryRepository extends ListCrudRepository<FeedbackCategory, Long> {
+}

src/main/java/com/waa/project/repository/FeedbackRepository.java

@@ -0,0 +1,19 @@
+package com.waa.project.repository;
+
+import com.waa.project.entity.Feedback;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.ListCrudRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+public interface FeedbackRepository extends ListCrudRepository<Feedback, Long> {
+    List<Feedback> findFeedbackByCategoryId(Long id);
+
+    @Query("SELECT fc.name, COUNT(f.category) " +
+           "FROM Feedback f " +
+           "JOIN f.category fc " +
+           "GROUP BY fc.name")
+    List<Object[]> findFeedbackByCategoryCount();
+}

src/main/java/com/waa/project/repository/StudentRepository.java

@@ -0,0 +1,10 @@
+package com.waa.project.repository;
+
+
+import com.waa.project.entity.Student;
+import org.springframework.data.repository.ListCrudRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface StudentRepository extends ListCrudRepository<Student, Long> {
+}

src/main/java/com/waa/project/service/FeedbackCategoryService.java

@@ -0,0 +1,17 @@
+package com.waa.project.service;
+
+import com.waa.project.dto.FeedbackCategoryDto;
+
+import java.util.List;
+
+public interface FeedbackCategoryService {
+    List<FeedbackCategoryDto> getAllCategories();
+
+    FeedbackCategoryDto getCategory(Long feedId);
+
+    String save(FeedbackCategoryDto category);
+
+    String update(FeedbackCategoryDto category, Long fid);
+
+    String delete(Long fid);
+}

src/main/java/com/waa/project/service/FeedbackService.java

@@ -0,0 +1,21 @@
+package com.waa.project.service;
+
+import com.waa.project.dto.FeedbackDto;
+
+import java.util.List;
+
+public interface FeedbackService {
+    List<FeedbackDto> getAllFeedbacks();
+
+    FeedbackDto getFeedback(Long feedId);
+
+    String save(FeedbackDto feedback);
+
+    String update(FeedbackDto feedback, Long fid);
+
+    String delete(Long fid);
+
+    List<FeedbackDto> findFeedbackByCategory(Long id);
+
+    List<Object[]> findFeedbackByCategoryCount();
+}

src/main/java/com/waa/project/service/impl/FeebackCategoryServiceImp.java

@@ -0,0 +1,62 @@
+package com.waa.project.service.impl;
+
+import com.waa.project.dto.FeedbackCategoryDto;
+import com.waa.project.entity.FeedbackCategory;
+import com.waa.project.repository.FeedbackCategoryRepository;
+import com.waa.project.service.FeedbackCategoryService;
+import org.modelmapper.ModelMapper;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.NoSuchElementException;
+
+@Service
+public class FeebackCategoryServiceImp implements FeedbackCategoryService {
+
+    @Autowired
+    private FeedbackCategoryRepository feedbackCategoryRepository;
+
+    @Autowired
+    private ModelMapper modelMapper;
+
+    @Override
+    public List<FeedbackCategoryDto> getAllCategories() {
+        List<FeedbackCategoryDto> feedbackCategories = new ArrayList<>();
+        feedbackCategoryRepository.findAll().forEach(feed -> feedbackCategories.add(modelMapper.map(
+                feed, FeedbackCategoryDto.class)));
+
+        return feedbackCategories;
+    }
+
+    @Override
+    public FeedbackCategoryDto getCategory(Long feedId) {
+
+        return modelMapper.map(feedbackCategoryRepository.findById(feedId), FeedbackCategoryDto.class);
+    }
+
+    @Override
+    public String save(FeedbackCategoryDto feedback) {
+        feedbackCategoryRepository.save(modelMapper.map(feedback, FeedbackCategory.class));
+        return "FeedbackCategory saved successfully.";
+    }
+
+    @Override
+    public String update(FeedbackCategoryDto feedback, Long fid) {
+        FeedbackCategory feedToUpdate = feedbackCategoryRepository.findById(fid)
+                                                                  .orElseThrow(
+                                                                          () -> new NoSuchElementException(
+                                                                                  "No feedback was found."));
+        feedToUpdate.setName(feedback.getName());
+        feedToUpdate.setDescription(feedback.getDescription());
+        feedbackCategoryRepository.save(feedToUpdate);
+        return "FeedbackCategory is updated.";
+    }
+
+    @Override
+    public String delete(Long fid) {
+        feedbackCategoryRepository.deleteById(fid);
+        return "FeedbackCategory is deleted.";
+    }
+}