增加站内信未读提醒和后台通知中心+txt 校验

backend/internal/modules/adminnotification/handler.go

@@ -0,0 +1,121 @@
+package adminnotification
+
+import (
+	"errors"
+	"net/http"
+	"strconv"
+
+	"hfb_sys/backend/internal/middleware"
+	"hfb_sys/backend/pkg/response"
+
+	"github.com/gin-gonic/gin"
+)
+
+type Handler struct {
+	service *Service
+}
+
+func NewHandler(service *Service) *Handler {
+	return &Handler{service: service}
+}
+
+func parsePagination(c *gin.Context) (int, int) {
+	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
+	pageSize, _ := strconv.Atoi(c.DefaultQuery("page_size", "20"))
+	if page < 1 {
+		page = 1
+	}
+	if pageSize < 1 {
+		pageSize = 20
+	}
+	if pageSize > 100 {
+		pageSize = 100
+	}
+	return page, pageSize
+}
+
+func (h *Handler) List(c *gin.Context) {
+	adminID, ok := currentAdminID(c)
+	if !ok {
+		response.Unauthorized(c, "缺少管理员上下文")
+		return
+	}
+	page, pageSize := parsePagination(c)
+	result, err := h.service.List(c.Request.Context(), Query{
+		AdminUserID: adminID,
+		OnlyUnread:  c.Query("read") == "unread",
+		Page:        page,
+		PageSize:    pageSize,
+	})
+	if err != nil {
+		writeNotificationError(c, err)
+		return
+	}
+	response.OK(c, result)
+}
+
+func (h *Handler) UnreadCount(c *gin.Context) {
+	adminID, ok := currentAdminID(c)
+	if !ok {
+		response.Unauthorized(c, "缺少管理员上下文")
+		return
+	}
+	result, err := h.service.UnreadCount(c.Request.Context(), adminID)
+	if err != nil {
+		writeNotificationError(c, err)
+		return
+	}
+	response.OK(c, result)
+}
+
+func (h *Handler) MarkRead(c *gin.Context) {
+	adminID, ok := currentAdminID(c)
+	if !ok {
+		response.Unauthorized(c, "缺少管理员上下文")
+		return
+	}
+	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
+	if err != nil || id == 0 {
+		response.BadRequest(c, "ID 不正确")
+		return
+	}
+	if err := h.service.MarkRead(c.Request.Context(), adminID, id); err != nil {
+		writeNotificationError(c, err)
+		return
+	}
+	response.OK(c, gin.H{"read": true})
+}
+
+func (h *Handler) MarkAllRead(c *gin.Context) {
+	adminID, ok := currentAdminID(c)
+	if !ok {
+		response.Unauthorized(c, "缺少管理员上下文")
+		return
+	}
+	count, err := h.service.MarkAllRead(c.Request.Context(), adminID)
+	if err != nil {
+		writeNotificationError(c, err)
+		return
+	}
+	response.OK(c, gin.H{"read_count": count})
+}
+
+func currentAdminID(c *gin.Context) (uint64, bool) {
+	value, ok := c.Get(middleware.ContextAdminID)
+	if !ok {
+		return 0, false
+	}
+	adminID, ok := value.(uint64)
+	return adminID, ok
+}
+
+func writeNotificationError(c *gin.Context, err error) {
+	switch {
+	case errors.Is(err, ErrDependencyUnavailable):
+		response.ServiceUnavailable(c, "数据库未连接")
+	case errors.Is(err, ErrNotificationNotFound):
+		response.NotFound(c, "通知不存在")
+	default:
+		response.Error(c, http.StatusInternalServerError, "internal_error", "通知服务暂时不可用")
+	}
+}