首次提交：初始化项目代码

internal/handler/chat.go

@@ -0,0 +1,71 @@
+package handler
+
+import (
+	"io"
+	"net/http"
+	"resume-platform/internal/service/chat"
+
+	"github.com/gin-gonic/gin"
+)
+
+// ChatHandler 聊天对话处理器，基于文档向量库进行问答
+type ChatHandler struct {
+	chatService chat.ChatService
+}
+
+// NewChatHandler 创建聊天处理器实例
+// @param chatService 聊天服务层
+// @return *ChatHandler 处理器实例
+// @author sunct
+func NewChatHandler(chatService chat.ChatService) *ChatHandler {
+	return &ChatHandler{chatService: chatService}
+}
+
+// Chat 流式对话接口，以 SSE 方式返回 AI 回答
+// @param c Gin 上下文
+// @author sunct
+func (h *ChatHandler) Chat(c *gin.Context) {
+	userID := c.Query("user_id")
+	if userID == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "user_id is required"})
+		return
+	}
+
+	var request struct {
+		Question string `json:"question"`
+	}
+	if err := c.ShouldBindJSON(&request); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid request"})
+		return
+	}
+
+	c.Stream(func(w io.Writer) bool {
+		answer, err := h.chatService.Chat(c.Request.Context(), userID, request.Question)
+		if err != nil {
+			c.SSEvent("error", gin.H{"message": err.Error()})
+			return false
+		}
+
+		c.SSEvent("message", answer)
+		return true
+	})
+}
+
+// GetChatHistory 获取用户聊天历史记录接口
+// @param c Gin 上下文
+// @author sunct
+func (h *ChatHandler) GetChatHistory(c *gin.Context) {
+	userID := c.Query("user_id")
+	if userID == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "user_id is required"})
+		return
+	}
+
+	history, err := h.chatService.GetChatHistory(c.Request.Context(), userID)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, history)
+}