refactor: V3 版本重构已基本完成

api/go/handler/chat_history_handler.go

@@ -0,0 +1,157 @@
+package handler
+
+import (
+	"chatplus/core/types"
+	"chatplus/store/model"
+	"chatplus/store/vo"
+	"chatplus/utils"
+	"chatplus/utils/param"
+	"chatplus/utils/resp"
+	"github.com/gin-gonic/gin"
+)
+
+// List 获取会话列表
+func (h *ChatHandler) List(c *gin.Context) {
+	userId := param.GetInt(c, "user_id", 0)
+	if userId == 0 {
+		resp.ERROR(c, "The parameter 'user_id' is needed.")
+		return
+	}
+	var items = make([]vo.ChatItem, 0)
+	var chats []model.ChatItem
+	res := h.db.Where("user_id = ?", userId).Order("id DESC").Find(&chats)
+	if res.Error == nil {
+		var roleIds = make([]uint, 0)
+		for _, chat := range chats {
+			roleIds = append(roleIds, chat.RoleId)
+		}
+		var roles []model.ChatRole
+		res = h.db.Find(&roles, roleIds)
+		if res.Error == nil {
+			roleMap := make(map[uint]model.ChatRole)
+			for _, role := range roles {
+				roleMap[role.Id] = role
+			}
+
+			for _, chat := range chats {
+				var item vo.ChatItem
+				err := utils.CopyObject(chat, &item)
+				if err == nil {
+					item.Id = chat.Id
+					item.Icon = roleMap[chat.RoleId].Icon
+					items = append(items, item)
+				}
+			}
+		}
+
+	}
+	resp.SUCCESS(c, items)
+}
+
+// Update 更新会话标题
+func (h *ChatHandler) Update(c *gin.Context) {
+	var data struct {
+		Id    uint   `json:"id"`
+		Title string `json:"title"`
+	}
+	if err := c.ShouldBindJSON(&data); err != nil {
+		resp.ERROR(c, types.InvalidArgs)
+		return
+	}
+	var m = model.ChatItem{}
+	m.Id = data.Id
+	res := h.db.Model(&m).UpdateColumn("title", data.Title)
+	if res.Error != nil {
+		resp.ERROR(c, "Failed to update database")
+		return
+	}
+
+	resp.SUCCESS(c, types.OkMsg)
+}
+
+// Remove 删除会话
+func (h *ChatHandler) Remove(c *gin.Context) {
+	chatId := param.GetTrim(c, "chat_id")
+	if chatId == "" {
+		resp.ERROR(c, types.InvalidArgs)
+		return
+	}
+	user, err := utils.GetLoginUser(c, h.db)
+	if err != nil {
+		resp.NotAuth(c)
+		return
+	}
+
+	res := h.db.Where("user_id = ? AND chat_id = ?", user.Id, chatId).Delete(&model.ChatItem{})
+	if res.Error != nil {
+		resp.ERROR(c, "Failed to update database")
+		return
+	}
+
+	// 清空会话上下文
+	delete(h.app.ChatContexts, chatId)
+	resp.SUCCESS(c, types.OkMsg)
+}
+
+// History 获取聊天历史记录
+func (h *ChatHandler) History(c *gin.Context) {
+	chatId := c.Query("chat_id") // 会话 ID
+	user, err := utils.GetLoginUser(c, h.db)
+	if err != nil {
+		resp.NotAuth(c)
+		return
+	}
+	var items []model.HistoryMessage
+	var messages = make([]vo.HistoryMessage, 0)
+	res := h.db.Where("chat_id = ? AND user_id = ?", chatId, user.Id).Find(&items)
+	if res.Error != nil {
+		resp.ERROR(c, "No history message")
+		return
+	} else {
+		for _, item := range items {
+			var v vo.HistoryMessage
+			err := utils.CopyObject(item, &v)
+			v.CreatedAt = item.CreatedAt.Unix()
+			v.UpdatedAt = item.UpdatedAt.Unix()
+			if err == nil {
+				messages = append(messages, v)
+			}
+		}
+	}
+
+	resp.SUCCESS(c, messages)
+}
+
+// Clear 清空所有聊天记录
+func (h *ChatHandler) Clear(c *gin.Context) {
+	// 获取当前登录用户所有的聊天会话
+	user, err := utils.GetLoginUser(c, h.db)
+	if err != nil {
+		resp.NotAuth(c)
+		return
+	}
+
+	var chats []model.ChatItem
+	res := h.db.Where("user_id = ?", user.Id).Find(&chats)
+	if res.Error != nil {
+		resp.ERROR(c, "No chats found")
+		return
+	}
+	// 清空聊天记录
+	for _, chat := range chats {
+		err := h.db.Where("chat_id = ? AND user_id = ?", chat.ChatId, user.Id).Delete(&model.HistoryMessage{})
+		if err != nil {
+			logger.Warnf("Failed to delele chat history for ChatID: %s", chat.ChatId)
+		}
+		// 清空会话上下文
+		delete(h.app.ChatContexts, chat.ChatId)
+	}
+	// 删除所有的会话记录
+	res = h.db.Where("user_id = ?", user.Id).Delete(&model.ChatItem{})
+	if res.Error != nil {
+		resp.ERROR(c, "Failed to remove chat from database.")
+		return
+	}
+
+	resp.SUCCESS(c, types.OkMsg)
+}