chore(init): 初始化解忧商行项目并完成 Phase 0 基座

backend/internal/modules/chat/handler_user.go

@@ -0,0 +1,106 @@
+package chat
+
+import (
+	"hfb_sys/backend/pkg/response"
+
+	"github.com/gin-gonic/gin"
+)
+
+func (h *Handler) List(c *gin.Context) {
+	userID, ok := currentUserID(c)
+	if !ok {
+		response.Unauthorized(c, "缺少用户上下文")
+		return
+	}
+	h.list(c, Principal{Type: "user", ID: userID})
+}
+
+func (h *Handler) UnreadCount(c *gin.Context) {
+	userID, ok := currentUserID(c)
+	if !ok {
+		response.Unauthorized(c, "缺少用户上下文")
+		return
+	}
+	siteCode := parseSiteCode(c)
+	result, err := h.service.CountUnreadMessages(c.Request.Context(), Principal{Type: "user", ID: userID}, siteCode)
+	if err != nil {
+		writeChatError(c, err)
+		return
+	}
+	response.OK(c, result)
+}
+
+func (h *Handler) Detail(c *gin.Context) {
+	userID, ok := currentUserID(c)
+	if !ok {
+		response.Unauthorized(c, "缺少用户上下文")
+		return
+	}
+	h.detail(c, Principal{Type: "user", ID: userID})
+}
+
+func (h *Handler) OrderConversation(c *gin.Context) {
+	userID, ok := currentUserID(c)
+	if !ok {
+		response.Unauthorized(c, "缺少用户上下文")
+		return
+	}
+	orderID, ok := parseID(c, "id")
+	if !ok {
+		return
+	}
+	item, err := h.service.FindOrderConversation(c.Request.Context(), userID, orderID)
+	if err != nil {
+		writeChatError(c, err)
+		return
+	}
+	response.OK(c, item)
+}
+
+func (h *Handler) EnsureSupportConversation(c *gin.Context) {
+	userID, ok := currentUserID(c)
+	if !ok {
+		response.Unauthorized(c, "缺少用户上下文")
+		return
+	}
+	var req EnsureSupportRequest
+	// scene 可选；空 body 仍按平台客服处理
+	_ = c.ShouldBindJSON(&req)
+	siteCode := parseSiteCode(c)
+	if siteCode == "" && req.DistributionSiteCode != "" {
+		siteCode = req.DistributionSiteCode
+	}
+	item, err := h.service.EnsureSupportConversation(c.Request.Context(), userID, req.Scene, siteCode)
+	if err != nil {
+		writeChatError(c, err)
+		return
+	}
+	response.OK(c, item)
+}
+
+func (h *Handler) Messages(c *gin.Context) {
+	userID, ok := currentUserID(c)
+	if !ok {
+		response.Unauthorized(c, "缺少用户上下文")
+		return
+	}
+	h.messages(c, Principal{Type: "user", ID: userID})
+}
+
+func (h *Handler) Send(c *gin.Context) {
+	userID, ok := currentUserID(c)
+	if !ok {
+		response.Unauthorized(c, "缺少用户上下文")
+		return
+	}
+	h.send(c, Principal{Type: "user", ID: userID})
+}
+
+func (h *Handler) MarkRead(c *gin.Context) {
+	userID, ok := currentUserID(c)
+	if !ok {
+		response.Unauthorized(c, "缺少用户上下文")
+		return
+	}
+	h.markRead(c, Principal{Type: "user", ID: userID})
+}