add delete endpoint for blog articles

Signed-off-by: Tobias Erbshäußer <tobias@tesoft.dev>

backend/blog.go

@@ -259,6 +259,27 @@ func (h *ApiHandler) ServeBlogGetSingle(writer http.ResponseWriter, request *htt
 	WriteResponse(writer, http.StatusOK, article)
 }
 
+func (h *ApiHandler) ServeBlogDelete(writer http.ResponseWriter, request *http.Request) {
+	idStr := request.PathValue("id")
+	id, err := strconv.ParseInt(idStr, 10, 64)
+	if err != nil {
+		WriteError(writer, http.StatusBadRequest, "invalid id", err)
+		return
+	}
+
+	err = h.db.DeleteBlogArticle(id)
+	if err != nil {
+		if errors.Is(err, ErrNotFound) {
+			WriteError(writer, http.StatusNotFound, "article not found", nil)
+		} else {
+			WriteError(writer, http.StatusInternalServerError, "failed to update database", err)
+		}
+		return
+	}
+
+	WriteResponse(writer, http.StatusOK, map[string]interface{}{})
+}
+
 func (h *ApiHandler) ServeBlogFileGetSingle(writer http.ResponseWriter, request *http.Request) {
 	idStr := request.PathValue("articleId")
 	articleId, err := strconv.ParseInt(idStr, 10, 64)