feat: editor image removal QOLs

api/handlers/image/imageHandler.go

@@ -17,13 +17,15 @@ type Handler struct {
 	CreateUseCase *useCases.CreateImageUseCase
 	GetUseCase    *useCases.GetArticleUseCase
 	UpdateUseCase *useCases.UpdateArticleUseCase
+	DeleteUseCase *useCases.DeleteImageUseCase
 }
 
-func NewHandler(create *useCases.CreateImageUseCase, get *useCases.GetArticleUseCase, update *useCases.UpdateArticleUseCase) *Handler {
+func NewHandler(create *useCases.CreateImageUseCase, get *useCases.GetArticleUseCase, update *useCases.UpdateArticleUseCase, deleteUseCase *useCases.DeleteImageUseCase) *Handler {
 	return &Handler{
 		CreateUseCase: create,
 		GetUseCase:    get,
 		UpdateUseCase: update,
+		DeleteUseCase: deleteUseCase,
 	}
 }
 
@@ -78,7 +80,7 @@ func (h *Handler) PostImage(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	responseJson, err := json.Marshal(map[string]any{"location": newImage.Path})
+	responseJson, err := json.Marshal(map[string]any{"id": newImage.ID, "location": newImage.Path})
 	if err != nil {
 		writeInternalServerError(w)
 		return
@@ -87,3 +89,33 @@ func (h *Handler) PostImage(w http.ResponseWriter, r *http.Request) {
 	w.WriteHeader(http.StatusCreated)
 	_, _ = w.Write(responseJson)
 }
+
+func (h *Handler) DeleteImage(w http.ResponseWriter, r *http.Request) {
+	articleId, err := strconv.ParseUint(chi.URLParam(r, "id"), 10, 32)
+	if err != nil {
+		http.Error(w, apperr.IdUint32ErrorMessage, http.StatusBadRequest)
+		return
+	}
+
+	imageId, err := strconv.ParseUint(chi.URLParam(r, "imageId"), 10, 32)
+	if err != nil {
+		http.Error(w, apperr.IdUint32ErrorMessage, http.StatusBadRequest)
+		return
+	}
+
+	if _, err := h.GetUseCase.GetArticle(uint32(articleId)); err != nil {
+		writeArticleError(w, err)
+		return
+	}
+
+	if err := h.DeleteUseCase.DeleteImage(uint32(imageId)); err != nil {
+		if errors.Is(err, domainImage.ErrImageNotFound) {
+			http.Error(w, apperr.ImageNotFoundErrorMessage, http.StatusNotFound)
+			return
+		}
+		writeInternalServerError(w)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}

api/pkg/apperr/messages.go

@@ -4,6 +4,7 @@ const LogsErrorMessage = "Access to the requested resource is forbidden due to i
 const BodyErrorMessage = "The request cannot be processed due to a mismatch in the format of the body."
 const IdUint32ErrorMessage = "The server expects the ID to be in the format of an unsigned 32-bit integer (uint32)."
 const ArticleNotFoundErrorMessage = "Article not found"
+const ImageNotFoundErrorMessage = "Image not found"
 const ArticleTitleErrorMessage = "Article title must be between 3 and 200 characters."
 const RegistrationClosedErrorMessage = "You are not allowed to create a user. Log in or reset database."
 const RegistrationFailedErrorMessage = "Registration failed. Please try again later."

api/router.go

@@ -33,7 +33,7 @@ func NewArticleRouter(container *UseCases) http.Handler {
 	r := chi.NewRouter()
 
 	articleHandler := article.NewHandler(container.CreateArticleUseCase, container.GetArticleUseCase, container.ListArticlesUseCase, container.DeleteArticleUseCase, container.UpdateArticleUseCase, container.GetUserUseCase)
-	imageHandler := image.NewHandler(container.CreateImageUseCase, container.GetArticleUseCase, container.UpdateArticleUseCase)
+	imageHandler := image.NewHandler(container.CreateImageUseCase, container.GetArticleUseCase, container.UpdateArticleUseCase, container.DeleteImageUseCase)
 
 	r.Group(func(r chi.Router) {
 		r.Get("/", articleHandler.ListArticles)
@@ -49,6 +49,7 @@ func NewArticleRouter(container *UseCases) http.Handler {
 		r.Patch("/{id}/publish", articleHandler.PublishArticle)
 		r.Patch("/{id}/unpublish", articleHandler.UnpublishArticle)
 		r.Post("/{id}/image", imageHandler.PostImage)
+		r.Delete("/{id}/image/{imageId}", imageHandler.DeleteImage)
 	})
 	return r
 }