Add edit resource functionality.

server/api/resource.go

@@ -183,6 +183,36 @@ func handleGetResourcesWithUser(c fiber.Ctx) error {
 	})
 }
 
+func handleUpdateResource(c fiber.Ctx) error {
+	idStr := c.Params("id")
+	if idStr == "" {
+		return model.NewRequestError("Resource ID is required")
+	}
+	id, err := strconv.Atoi(idStr)
+	if err != nil {
+		return model.NewRequestError("Invalid resource ID")
+	}
+	var params service.ResourceCreateParams
+	body := c.Body()
+	err = json.Unmarshal(body, &params)
+	if err != nil {
+		return model.NewRequestError("Invalid request body")
+	}
+	uid, ok := c.Locals("uid").(uint)
+	if !ok {
+		return model.NewUnAuthorizedError("You must be logged in to update a resource")
+	}
+	err = service.EditResource(uid, uint(id), &params)
+	if err != nil {
+		return err
+	}
+	return c.Status(fiber.StatusOK).JSON(model.Response[any]{
+		Success: true,
+		Data:    nil,
+		Message: "Resource updated successfully",
+	})
+}
+
 func AddResourceRoutes(api fiber.Router) {
 	resource := api.Group("/resource")
 	{
@@ -193,5 +223,6 @@ func AddResourceRoutes(api fiber.Router) {
 		resource.Delete("/:id", handleDeleteResource)
 		resource.Get("/tag/:tag", handleListResourcesWithTag)
 		resource.Get("/user/:username", handleGetResourcesWithUser)
+		resource.Post("/:id", handleUpdateResource)
 	}
 }

server/service/resource.go

@@ -1,6 +1,7 @@
 package service
 
 import (
+	"github.com/gofiber/fiber/v3/log"
 	"nysoure/server/dao"
 	"nysoure/server/model"
 
@@ -136,3 +137,46 @@ func GetResourcesWithUser(username string, page int) ([]model.ResourceView, int,
 	}
 	return views, totalPages, nil
 }
+
+func EditResource(uid, rid uint, params *ResourceCreateParams) error {
+	isAdmin, err := checkUserCanUpload(uid)
+	if err != nil {
+		log.Error("checkUserCanUpload error: ", err)
+		return model.NewInternalServerError("Failed to check user permission")
+	}
+	r, err := dao.GetResourceByID(rid)
+	if err != nil {
+		return err
+	}
+	if r.UserID != uid && !isAdmin {
+		return model.NewUnAuthorizedError("You have not permission to edit this resource")
+	}
+
+	r.Title = params.Title
+	r.AlternativeTitles = params.AlternativeTitles
+	r.Article = params.Article
+
+	images := make([]model.Image, len(params.Images))
+	for i, id := range params.Images {
+		images[i] = model.Image{
+			Model: gorm.Model{
+				ID: id,
+			},
+		}
+	}
+	tags := make([]model.Tag, len(params.Tags))
+	for i, id := range params.Tags {
+		tags[i] = model.Tag{
+			Model: gorm.Model{
+				ID: id,
+			},
+		}
+	}
+	r.Images = images
+	r.Tags = tags
+	if err := dao.UpdateResource(r); err != nil {
+		log.Error("UpdateResource error: ", err)
+		return model.NewInternalServerError("Failed to update resource")
+	}
+	return nil
+}