Add tagged resources page.

server/api/resource.go

@@ -99,6 +99,34 @@ func handleListResources(c fiber.Ctx) error {
 	})
 }
 
+func handleListResourcesWithTag(c fiber.Ctx) error {
+	tag := c.Params("tag")
+	if tag == "" {
+		return model.NewRequestError("Tag is required")
+	}
+	pageStr := c.Query("page")
+	if pageStr == "" {
+		pageStr = "1"
+	}
+	page, err := strconv.Atoi(pageStr)
+	if err != nil {
+		return model.NewRequestError("Invalid page number")
+	}
+	resources, totalPages, err := service.GetResourcesWithTag(tag, page)
+	if err != nil {
+		return err
+	}
+	if resources == nil {
+		resources = []model.ResourceView{}
+	}
+	return c.Status(fiber.StatusOK).JSON(model.PageResponse[model.ResourceView]{
+		Success:    true,
+		Data:       resources,
+		TotalPages: totalPages,
+		Message:    "Resources retrieved successfully",
+	})
+}
+
 func handleSearchResources(c fiber.Ctx) error {
 	query := c.Query("keyword")
 	if query == "" {
@@ -135,5 +163,6 @@ func AddResourceRoutes(api fiber.Router) {
 		resource.Get("/", handleListResources)
 		resource.Get("/:id", handleGetResource)
 		resource.Delete("/:id", handleDeleteResource)
+		resource.Get("/tag/:tag", handleListResourcesWithTag)
 	}
 }

server/dao/resource.go

@@ -41,7 +41,7 @@ func GetResourceList(page, pageSize int) ([]model.Resource, int, error) {
 		return nil, 0, err
 	}
 
-	totalPages := int(total) / pageSize
+	totalPages := (total + int64(pageSize) - 1) / int64(pageSize)
 
 	return resources, int(totalPages), nil
 }
@@ -110,7 +110,7 @@ func Search(query string, page, pageSize int) ([]model.Resource, int, error) {
 	if endIndex > len(resource) {
 		endIndex = len(resource)
 	}
-	totalPages := len(resource) / pageSize
+	totalPages := (len(resource) + pageSize - 1) / pageSize
 
 	result := make([]model.Resource, 0, endIndex-startIndex)
 	for i := startIndex; i < endIndex; i++ {
@@ -157,13 +157,13 @@ func GetResourceByTag(tagID uint, page int, pageSize int) ([]model.Resource, int
 
 	total = db.Model(&model.Tag{}).Where("id = ?", tagID).Association("Resources").Count()
 
-	if err := db.Model(&model.Tag{}).Where("id = ?", tagID).Preload("User").Preload("Resources", func(tx *gorm.DB) *gorm.DB {
-		return tx.Offset((page - 1) * pageSize).Limit(pageSize)
+	if err := db.Model(&model.Tag{}).Where("id = ?", tagID).Preload("Resources", func(tx *gorm.DB) *gorm.DB {
+		return tx.Offset((page - 1) * pageSize).Limit(pageSize).Preload("Tags").Preload("User").Preload("Images").Order("created_at DESC")
 	}).First(&tag).Error; err != nil {
 		return nil, 0, err
 	}
 
-	totalPages := int(total) / pageSize
+	totalPages := (int(total) + pageSize - 1) / pageSize
 
 	return tag.Resources, totalPages, nil
 }