feat: add media preview

backend/app/http/admin/posts.go

@@ -142,7 +142,7 @@ func (ctl *posts) Delete(ctx fiber.Ctx, id int64) error {
 
 type PostItem struct {
 	*model.Posts
-	Medias []*models.MediaItem `json:"medias"`
+	Medias []*model.Medias `json:"medias"`
 }
 
 // Show posts by id
@@ -161,15 +161,7 @@ func (ctl *posts) Show(ctx fiber.Ctx, id int64) (*PostItem, error) {
 		return nil, err
 	}
 	return &PostItem{
-		Posts: post,
-		Medias: lo.Map(medias, func(media *model.Medias, _ int) *models.MediaItem {
-			return &models.MediaItem{
-				ID:         media.ID,
-				Name:       media.Name,
-				UploadTime: media.CreatedAt.Format("2006-01-02 15:04:05"),
-				FileSize:   media.Size,
-				MimeType:   media.MimeType,
-			}
-		}),
+		Posts:  post,
+		Medias: medias,
 	}, nil
 }