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https://github.com/Ed1s0nZ/CyberStrikeAI.git
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公明
@@ -0,0 +1,256 @@
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package database
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import (
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"database/sql"
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"encoding/json"
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"fmt"
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"time"
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"github.com/google/uuid"
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"go.uber.org/zap"
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)
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// Conversation 对话
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type Conversation struct {
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ID string `json:"id"`
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Title string `json:"title"`
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CreatedAt time.Time `json:"createdAt"`
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UpdatedAt time.Time `json:"updatedAt"`
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Messages []Message `json:"messages,omitempty"`
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}
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// Message 消息
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type Message struct {
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ID string `json:"id"`
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ConversationID string `json:"conversationId"`
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Role string `json:"role"`
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Content string `json:"content"`
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MCPExecutionIDs []string `json:"mcpExecutionIds,omitempty"`
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CreatedAt time.Time `json:"createdAt"`
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}
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// CreateConversation 创建新对话
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func (db *DB) CreateConversation(title string) (*Conversation, error) {
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id := uuid.New().String()
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now := time.Now()
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_, err := db.Exec(
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"INSERT INTO conversations (id, title, created_at, updated_at) VALUES (?, ?, ?, ?)",
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id, title, now, now,
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)
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if err != nil {
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return nil, fmt.Errorf("创建对话失败: %w", err)
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}
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return &Conversation{
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ID: id,
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Title: title,
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CreatedAt: now,
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UpdatedAt: now,
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}, nil
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}
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// GetConversation 获取对话
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func (db *DB) GetConversation(id string) (*Conversation, error) {
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var conv Conversation
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var createdAt, updatedAt string
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err := db.QueryRow(
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"SELECT id, title, created_at, updated_at FROM conversations WHERE id = ?",
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id,
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).Scan(&conv.ID, &conv.Title, &createdAt, &updatedAt)
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if err != nil {
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if err == sql.ErrNoRows {
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return nil, fmt.Errorf("对话不存在")
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}
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return nil, fmt.Errorf("查询对话失败: %w", err)
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}
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// 尝试多种时间格式解析
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var err1, err2 error
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conv.CreatedAt, err1 = time.Parse("2006-01-02 15:04:05.999999999-07:00", createdAt)
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if err1 != nil {
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conv.CreatedAt, err1 = time.Parse("2006-01-02 15:04:05", createdAt)
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}
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if err1 != nil {
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conv.CreatedAt, err1 = time.Parse(time.RFC3339, createdAt)
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}
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conv.UpdatedAt, err2 = time.Parse("2006-01-02 15:04:05.999999999-07:00", updatedAt)
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if err2 != nil {
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conv.UpdatedAt, err2 = time.Parse("2006-01-02 15:04:05", updatedAt)
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}
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if err2 != nil {
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conv.UpdatedAt, err2 = time.Parse(time.RFC3339, updatedAt)
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}
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// 加载消息
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messages, err := db.GetMessages(id)
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if err != nil {
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return nil, fmt.Errorf("加载消息失败: %w", err)
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}
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conv.Messages = messages
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return &conv, nil
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}
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// ListConversations 列出所有对话
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func (db *DB) ListConversations(limit, offset int) ([]*Conversation, error) {
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rows, err := db.Query(
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"SELECT id, title, created_at, updated_at FROM conversations ORDER BY updated_at DESC LIMIT ? OFFSET ?",
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limit, offset,
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)
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if err != nil {
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return nil, fmt.Errorf("查询对话列表失败: %w", err)
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}
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defer rows.Close()
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var conversations []*Conversation
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for rows.Next() {
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var conv Conversation
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var createdAt, updatedAt string
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if err := rows.Scan(&conv.ID, &conv.Title, &createdAt, &updatedAt); err != nil {
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return nil, fmt.Errorf("扫描对话失败: %w", err)
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}
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// 尝试多种时间格式解析
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var err1, err2 error
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conv.CreatedAt, err1 = time.Parse("2006-01-02 15:04:05.999999999-07:00", createdAt)
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if err1 != nil {
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conv.CreatedAt, err1 = time.Parse("2006-01-02 15:04:05", createdAt)
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}
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if err1 != nil {
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conv.CreatedAt, err1 = time.Parse(time.RFC3339, createdAt)
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}
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conv.UpdatedAt, err2 = time.Parse("2006-01-02 15:04:05.999999999-07:00", updatedAt)
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if err2 != nil {
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conv.UpdatedAt, err2 = time.Parse("2006-01-02 15:04:05", updatedAt)
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}
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if err2 != nil {
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conv.UpdatedAt, err2 = time.Parse(time.RFC3339, updatedAt)
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}
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conversations = append(conversations, &conv)
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}
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return conversations, nil
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}
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// UpdateConversationTitle 更新对话标题
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func (db *DB) UpdateConversationTitle(id, title string) error {
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_, err := db.Exec(
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"UPDATE conversations SET title = ?, updated_at = ? WHERE id = ?",
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title, time.Now(), id,
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)
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if err != nil {
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return fmt.Errorf("更新对话标题失败: %w", err)
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}
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return nil
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}
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// UpdateConversationTime 更新对话时间
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func (db *DB) UpdateConversationTime(id string) error {
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_, err := db.Exec(
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"UPDATE conversations SET updated_at = ? WHERE id = ?",
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time.Now(), id,
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)
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if err != nil {
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return fmt.Errorf("更新对话时间失败: %w", err)
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}
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return nil
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}
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// DeleteConversation 删除对话
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func (db *DB) DeleteConversation(id string) error {
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_, err := db.Exec("DELETE FROM conversations WHERE id = ?", id)
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if err != nil {
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return fmt.Errorf("删除对话失败: %w", err)
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}
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return nil
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}
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// AddMessage 添加消息
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func (db *DB) AddMessage(conversationID, role, content string, mcpExecutionIDs []string) (*Message, error) {
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id := uuid.New().String()
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var mcpIDsJSON string
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if len(mcpExecutionIDs) > 0 {
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jsonData, err := json.Marshal(mcpExecutionIDs)
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if err != nil {
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db.logger.Warn("序列化MCP执行ID失败", zap.Error(err))
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} else {
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mcpIDsJSON = string(jsonData)
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}
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}
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_, err := db.Exec(
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"INSERT INTO messages (id, conversation_id, role, content, mcp_execution_ids, created_at) VALUES (?, ?, ?, ?, ?, ?)",
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id, conversationID, role, content, mcpIDsJSON, time.Now(),
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)
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if err != nil {
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return nil, fmt.Errorf("添加消息失败: %w", err)
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}
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// 更新对话时间
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if err := db.UpdateConversationTime(conversationID); err != nil {
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db.logger.Warn("更新对话时间失败", zap.Error(err))
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}
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message := &Message{
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ID: id,
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ConversationID: conversationID,
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Role: role,
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Content: content,
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MCPExecutionIDs: mcpExecutionIDs,
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CreatedAt: time.Now(),
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}
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return message, nil
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}
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// GetMessages 获取对话的所有消息
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func (db *DB) GetMessages(conversationID string) ([]Message, error) {
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rows, err := db.Query(
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"SELECT id, conversation_id, role, content, mcp_execution_ids, created_at FROM messages WHERE conversation_id = ? ORDER BY created_at ASC",
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conversationID,
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)
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if err != nil {
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return nil, fmt.Errorf("查询消息失败: %w", err)
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}
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defer rows.Close()
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var messages []Message
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for rows.Next() {
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var msg Message
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var mcpIDsJSON sql.NullString
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var createdAt string
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if err := rows.Scan(&msg.ID, &msg.ConversationID, &msg.Role, &msg.Content, &mcpIDsJSON, &createdAt); err != nil {
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return nil, fmt.Errorf("扫描消息失败: %w", err)
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}
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// 尝试多种时间格式解析
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var err error
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msg.CreatedAt, err = time.Parse("2006-01-02 15:04:05.999999999-07:00", createdAt)
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if err != nil {
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msg.CreatedAt, err = time.Parse("2006-01-02 15:04:05", createdAt)
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}
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if err != nil {
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msg.CreatedAt, err = time.Parse(time.RFC3339, createdAt)
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}
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// 解析MCP执行ID
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if mcpIDsJSON.Valid && mcpIDsJSON.String != "" {
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if err := json.Unmarshal([]byte(mcpIDsJSON.String), &msg.MCPExecutionIDs); err != nil {
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db.logger.Warn("解析MCP执行ID失败", zap.Error(err))
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}
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}
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messages = append(messages, msg)
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}
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return messages, nil
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}
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@@ -0,0 +1,90 @@
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package database
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import (
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"database/sql"
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"fmt"
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_ "github.com/mattn/go-sqlite3"
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"go.uber.org/zap"
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)
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// DB 数据库连接
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type DB struct {
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*sql.DB
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logger *zap.Logger
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}
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// NewDB 创建数据库连接
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func NewDB(dbPath string, logger *zap.Logger) (*DB, error) {
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db, err := sql.Open("sqlite3", dbPath+"?_journal_mode=WAL&_foreign_keys=1")
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if err != nil {
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return nil, fmt.Errorf("打开数据库失败: %w", err)
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}
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if err := db.Ping(); err != nil {
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return nil, fmt.Errorf("连接数据库失败: %w", err)
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}
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database := &DB{
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DB: db,
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logger: logger,
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}
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// 初始化表
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if err := database.initTables(); err != nil {
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return nil, fmt.Errorf("初始化表失败: %w", err)
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}
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return database, nil
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}
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// initTables 初始化数据库表
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func (db *DB) initTables() error {
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// 创建对话表
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createConversationsTable := `
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CREATE TABLE IF NOT EXISTS conversations (
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id TEXT PRIMARY KEY,
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title TEXT NOT NULL,
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created_at DATETIME NOT NULL,
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updated_at DATETIME NOT NULL
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);`
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// 创建消息表
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createMessagesTable := `
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CREATE TABLE IF NOT EXISTS messages (
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id TEXT PRIMARY KEY,
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conversation_id TEXT NOT NULL,
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role TEXT NOT NULL,
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content TEXT NOT NULL,
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mcp_execution_ids TEXT,
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created_at DATETIME NOT NULL,
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FOREIGN KEY (conversation_id) REFERENCES conversations(id) ON DELETE CASCADE
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);`
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// 创建索引
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createIndexes := `
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CREATE INDEX IF NOT EXISTS idx_messages_conversation_id ON messages(conversation_id);
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CREATE INDEX IF NOT EXISTS idx_conversations_updated_at ON conversations(updated_at);
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`
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if _, err := db.Exec(createConversationsTable); err != nil {
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return fmt.Errorf("创建conversations表失败: %w", err)
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}
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if _, err := db.Exec(createMessagesTable); err != nil {
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return fmt.Errorf("创建messages表失败: %w", err)
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}
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if _, err := db.Exec(createIndexes); err != nil {
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return fmt.Errorf("创建索引失败: %w", err)
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}
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db.logger.Info("数据库表初始化完成")
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return nil
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}
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// Close 关闭数据库连接
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func (db *DB) Close() error {
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return db.DB.Close()
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}
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