Добавить возможность предложить тему

GPTutor-Backend/src/main/java/com/chatgpt/controllers/TopicSuggestionController.java

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+package com.chatgpt.controllers;
+
+import com.chatgpt.entity.database.TopicSuggestion;
+import com.chatgpt.entity.requests.CreateTopicSuggestion;
+import com.chatgpt.entity.requests.UpdateTopicSuggestion;
+import com.chatgpt.services.TopicSuggestionService;
+import jakarta.servlet.http.HttpServletRequest;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+import java.util.UUID;
+
+@RestController
+public class TopicSuggestionController {
+
+    @Autowired
+    TopicSuggestionService topicSuggestionService;
+
+    @PostMapping(path = "/topic-suggestion")
+    public TopicSuggestion createTopicSuggestion(HttpServletRequest request, @RequestBody CreateTopicSuggestion createTopicSuggestion) {
+        return topicSuggestionService.createTopicSuggestion((String) request.getAttribute("vkUserId"), createTopicSuggestion);
+    }
+
+    @GetMapping(path = "/topic-suggestion")
+    public List<TopicSuggestion> getTopicSuggestions(HttpServletRequest request) {
+        return topicSuggestionService.getTopicSuggestions((String) request.getAttribute("vkUserId"));
+    }
+
+    @GetMapping(path = "/topic-suggestion/all")
+    public List<TopicSuggestion> getAllTopicSuggestions() {
+        return topicSuggestionService.getAllTopicSuggestions();
+    }
+
+    @GetMapping(path = "/topic-suggestion/status/{status}")
+    public List<TopicSuggestion> getTopicSuggestionsByStatus(@PathVariable("status") TopicSuggestion.SuggestionStatus status) {
+        return topicSuggestionService.getTopicSuggestionsByStatus(status);
+    }
+
+    @GetMapping(path = "/topic-suggestion/type/{type}")
+    public List<TopicSuggestion> getTopicSuggestionsByType(@PathVariable("type") TopicSuggestion.TopicType type) {
+        return topicSuggestionService.getTopicSuggestionsByType(type);
+    }
+
+    @DeleteMapping(path = "/topic-suggestion/{id}")
+    public void deleteTopicSuggestion(HttpServletRequest request, @PathVariable("id") UUID topicSuggestionId) {
+        topicSuggestionService.deleteTopicSuggestion((String) request.getAttribute("vkUserId"), topicSuggestionId);
+    }
+
+    @PutMapping(path = "/topic-suggestion")
+    public void updateTopicSuggestion(HttpServletRequest request, @RequestBody UpdateTopicSuggestion updateTopicSuggestion) {
+        topicSuggestionService.updateTopicSuggestion((String) request.getAttribute("vkUserId"), updateTopicSuggestion);
+    }
+}

GPTutor-Backend/src/main/java/com/chatgpt/entity/database/TopicSuggestion.java

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+package com.chatgpt.entity.database;
+
+import com.chatgpt.entity.VkUser;
+import jakarta.persistence.*;
+
+import java.time.LocalDateTime;
+import java.util.UUID;
+
+@Entity
+public class TopicSuggestion {
+    @Id
+    @GeneratedValue(strategy = GenerationType.UUID)
+    private UUID id;
+
+    @ManyToOne()
+    private VkUser vkUser;
+
+    private String title;
+
+    private String description;
+
+    @Enumerated(EnumType.STRING)
+    private TopicType type;
+
+    @Enumerated(EnumType.STRING)
+    private SuggestionStatus status;
+
+    private LocalDateTime createdAt;
+
+    private LocalDateTime updatedAt;
+
+    public enum TopicType {
+        LESSON,
+        CONVERSATION_STARTER,
+        ADDITIONAL_REQUEST
+    }
+
+    public enum SuggestionStatus {
+        PENDING,
+        APPROVED,
+        REJECTED
+    }
+
+    public TopicSuggestion() {
+        this.createdAt = LocalDateTime.now();
+        this.updatedAt = LocalDateTime.now();
+        this.status = SuggestionStatus.PENDING;
+    }
+
+    public UUID getId() {
+        return id;
+    }
+
+    public void setId(UUID id) {
+        this.id = id;
+    }
+
+    public VkUser getVkUser() {
+        return vkUser;
+    }
+
+    public void setVkUser(VkUser vkUser) {
+        this.vkUser = vkUser;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public TopicType getType() {
+        return type;
+    }
+
+    public void setType(TopicType type) {
+        this.type = type;
+    }
+
+    public SuggestionStatus getStatus() {
+        return status;
+    }
+
+    public void setStatus(SuggestionStatus status) {
+        this.status = status;
+        this.updatedAt = LocalDateTime.now();
+    }
+
+    public LocalDateTime getCreatedAt() {
+        return createdAt;
+    }
+
+    public void setCreatedAt(LocalDateTime createdAt) {
+        this.createdAt = createdAt;
+    }
+
+    public LocalDateTime getUpdatedAt() {
+        return updatedAt;
+    }
+
+    public void setUpdatedAt(LocalDateTime updatedAt) {
+        this.updatedAt = updatedAt;
+    }
+}

GPTutor-Backend/src/main/java/com/chatgpt/entity/requests/CreateTopicSuggestion.java

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+package com.chatgpt.entity.requests;
+
+import com.chatgpt.entity.database.TopicSuggestion;
+
+public class CreateTopicSuggestion {
+    private String title;
+    private String description;
+    private TopicSuggestion.TopicType type;
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public TopicSuggestion.TopicType getType() {
+        return type;
+    }
+
+    public void setType(TopicSuggestion.TopicType type) {
+        this.type = type;
+    }
+}

GPTutor-Backend/src/main/java/com/chatgpt/entity/requests/UpdateTopicSuggestion.java

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+package com.chatgpt.entity.requests;
+
+import com.chatgpt.entity.database.TopicSuggestion;
+
+import java.util.UUID;
+
+public class UpdateTopicSuggestion {
+    private UUID id;
+    private String title;
+    private String description;
+    private TopicSuggestion.TopicType type;
+    private TopicSuggestion.SuggestionStatus status;
+
+    public UUID getId() {
+        return id;
+    }
+
+    public void setId(UUID id) {
+        this.id = id;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public TopicSuggestion.TopicType getType() {
+        return type;
+    }
+
+    public void setType(TopicSuggestion.TopicType type) {
+        this.type = type;
+    }
+
+    public TopicSuggestion.SuggestionStatus getStatus() {
+        return status;
+    }
+
+    public void setStatus(TopicSuggestion.SuggestionStatus status) {
+        this.status = status;
+    }
+}

GPTutor-Backend/src/main/java/com/chatgpt/repositories/TopicSuggestionRepository.java

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+package com.chatgpt.repositories;
+
+import com.chatgpt.entity.database.TopicSuggestion;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.repository.CrudRepository;
+
+import java.util.List;
+import java.util.UUID;
+
+public interface TopicSuggestionRepository extends CrudRepository<TopicSuggestion, UUID> {
+    List<TopicSuggestion> findAllByVkUserId(UUID vkUserId);
+    Page<TopicSuggestion> findAllByVkUserId(UUID vkUserId, PageRequest pageable);
+    List<TopicSuggestion> findAllByStatus(TopicSuggestion.SuggestionStatus status);
+    List<TopicSuggestion> findAllByType(TopicSuggestion.TopicType type);
+    List<TopicSuggestion> findAllByVkUserIdAndStatus(UUID vkUserId, TopicSuggestion.SuggestionStatus status);
+    void deleteAllByVkUserId(UUID vkUserId);
+}

GPTutor-Backend/src/main/java/com/chatgpt/services/TopicSuggestionService.java

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+package com.chatgpt.services;
+
+import com.chatgpt.entity.VkUser;
+import com.chatgpt.entity.database.TopicSuggestion;
+import com.chatgpt.entity.requests.CreateTopicSuggestion;
+import com.chatgpt.entity.requests.UpdateTopicSuggestion;
+import com.chatgpt.repositories.TopicSuggestionRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Service;
+import org.springframework.web.server.ResponseStatusException;
+
+import java.util.List;
+import java.util.UUID;
+
+@Service
+public class TopicSuggestionService {
+    @Autowired
+    UserService userService;
+
+    @Autowired
+    TopicSuggestionRepository topicSuggestionRepository;
+
+    public TopicSuggestion createTopicSuggestion(String vkUserId, CreateTopicSuggestion createTopicSuggestion) {
+        var user = userService.getOrCreateVkUser(vkUserId);
+        return saveTopicSuggestion(
+                user,
+                createTopicSuggestion.getTitle(),
+                createTopicSuggestion.getDescription(),
+                createTopicSuggestion.getType()
+        );
+    }
+
+    public List<TopicSuggestion> getTopicSuggestions(String vkUserId) {
+        var user = userService.getOrCreateVkUser(vkUserId);
+        return topicSuggestionRepository.findAllByVkUserId(user.getId());
+    }
+
+    public List<TopicSuggestion> getAllTopicSuggestions() {
+        return (List<TopicSuggestion>) topicSuggestionRepository.findAll();
+    }
+
+    public List<TopicSuggestion> getTopicSuggestionsByStatus(TopicSuggestion.SuggestionStatus status) {
+        return topicSuggestionRepository.findAllByStatus(status);
+    }
+
+    public List<TopicSuggestion> getTopicSuggestionsByType(TopicSuggestion.TopicType type) {
+        return topicSuggestionRepository.findAllByType(type);
+    }
+
+    public void deleteTopicSuggestion(String vkUserId, UUID topicSuggestionId) {
+        var user = userService.getOrCreateVkUser(vkUserId);
+        var foundTopicSuggestion = topicSuggestionRepository.findById(topicSuggestionId);
+
+        foundTopicSuggestion.ifPresent(topicSuggestion -> checkAccess(user, topicSuggestion));
+
+        topicSuggestionRepository.deleteById(topicSuggestionId);
+    }
+
+    public void updateTopicSuggestion(String vkUserId, UpdateTopicSuggestion updateTopicSuggestion) {
+        var user = userService.getOrCreateVkUser(vkUserId);
+        var foundTopicSuggestion = topicSuggestionRepository.findById(updateTopicSuggestion.getId());
+
+        foundTopicSuggestion.ifPresent(topicSuggestion -> {
+            checkAccess(user, topicSuggestion);
+
+            if (updateTopicSuggestion.getTitle() != null) {
+                topicSuggestion.setTitle(updateTopicSuggestion.getTitle());
+            }
+            if (updateTopicSuggestion.getDescription() != null) {
+                topicSuggestion.setDescription(updateTopicSuggestion.getDescription());
+            }
+            if (updateTopicSuggestion.getType() != null) {
+                topicSuggestion.setType(updateTopicSuggestion.getType());
+            }
+            if (updateTopicSuggestion.getStatus() != null) {
+                topicSuggestion.setStatus(updateTopicSuggestion.getStatus());
+            }
+
+            topicSuggestionRepository.save(topicSuggestion);
+        });
+    }
+
+    private void checkAccess(VkUser user, TopicSuggestion topicSuggestion) {
+        if (!user.getId().equals(topicSuggestion.getVkUser().getId())) {
+            throw new ResponseStatusException(HttpStatus.FORBIDDEN);
+        }
+    }
+
+    private TopicSuggestion saveTopicSuggestion(VkUser user, String title, String description, TopicSuggestion.TopicType type) {
+        var topicSuggestion = new TopicSuggestion();
+
+        topicSuggestion.setVkUser(user);
+        topicSuggestion.setTitle(title);
+        topicSuggestion.setDescription(description);
+        topicSuggestion.setType(type);
+
+        topicSuggestionRepository.save(topicSuggestion);
+
+        return topicSuggestion;
+    }
+}