first commit

api/handlers/post_category_view_handler.go

@@ -0,0 +1,74 @@
+package handlers
+
+import (
+	"net/http"
+	"strings"
+
+	"gauth-central/internal/services"
+
+	"github.com/gin-gonic/gin"
+)
+
+type PostCategoryViewHandler struct {
+	viewService *services.PostCategoryViewService
+}
+
+func NewPostCategoryViewHandler(viewService *services.PostCategoryViewService) *PostCategoryViewHandler {
+	return &PostCategoryViewHandler{viewService: viewService}
+}
+
+// TrackPostCategoryView godoc
+// @Summary Track post category view
+// @Description Record a post category view (daily per IP)
+// @Tags post-category-views
+// @Produce json
+// @Param id path string true "Category ID"
+// @Success 200 {object} models.PostCategoryView
+// @Failure 400 {object} map[string]string
+// @Failure 500 {object} map[string]string
+// @Router /post-categories/{id}/views [post]
+// TrackPostCategoryView records a category view.
+func (h *PostCategoryViewHandler) TrackPostCategoryView(c *gin.Context) {
+	categoryID := c.Param("id")
+	ipAddress := strings.TrimSpace(c.ClientIP())
+	userAgent := strings.TrimSpace(c.GetHeader("User-Agent"))
+
+	view, err := h.viewService.TrackView(categoryID, ipAddress, userAgent)
+	if err != nil {
+		status := http.StatusInternalServerError
+		if err.Error() == "invalid category_id" {
+			status = http.StatusBadRequest
+		}
+		c.JSON(status, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, view)
+}
+
+// AdminGetPostCategoryViews godoc
+// @Summary Get post category views (Admin)
+// @Description Retrieve views for a category
+// @Tags admin
+// @Security ApiKeyAuth
+// @Produce json
+// @Param category_id query string true "Category ID"
+// @Success 200 {array} models.PostCategoryView
+// @Failure 400 {object} map[string]string
+// @Failure 500 {object} map[string]string
+// @Router /admin/post-category-views [get]
+// AdminGetPostCategoryViews returns views for a category.
+func (h *PostCategoryViewHandler) AdminGetPostCategoryViews(c *gin.Context) {
+	categoryID := strings.TrimSpace(c.Query("category_id"))
+	if categoryID == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "category_id is required"})
+		return
+	}
+
+	views, err := h.viewService.GetViewsByCategory(categoryID)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(http.StatusOK, views)
+}