add delete procedure and implementation for uploads

1 files changed, 64 insertions, 0 deletions

diff --git a/system/admin/handlers.go b/system/admin/handlers.go
index ac18020..bb36e39 100644
--- a/system/admin/handlers.go
+++ b/system/admin/handlers.go
@@ -2061,6 +2061,70 @@ func deleteHandler(res http.ResponseWriter, req *http.Request) {
 	http.Redirect(res, req, redir, http.StatusFound)
 }
 
+func deleteUploadHandler(res http.ResponseWriter, req *http.Request) {
+	if req.Method != http.MethodPost {
+		res.WriteHeader(http.StatusMethodNotAllowed)
+		return
+	}
+
+	err := req.ParseMultipartForm(1024 * 1024 * 4) // maxMemory 4MB
+	if err != nil {
+		log.Println(err)
+		res.WriteHeader(http.StatusInternalServerError)
+		errView, err := Error500()
+		if err != nil {
+			return
+		}
+
+		res.Write(errView)
+		return
+	}
+
+	id := req.FormValue("id")
+	t := "__uploads"
+
+	if id == "" || t == "" {
+		res.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	post := interface{}(&item.FileUpload{})
+	hook, ok := post.(item.Hookable)
+	if !ok {
+		log.Println("Type", t, "does not implement item.Hookable or embed item.Item.")
+		res.WriteHeader(http.StatusBadRequest)
+		errView, err := Error400()
+		if err != nil {
+			return
+		}
+
+		res.Write(errView)
+		return
+	}
+
+	err = hook.BeforeDelete(res, req)
+	if err != nil {
+		log.Println("Error running BeforeDelete method in deleteHandler for:", t, err)
+		return
+	}
+
+	err = db.DeleteUpload(t + ":" + id)
+	if err != nil {
+		log.Println(err)
+		res.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+
+	err = hook.AfterDelete(res, req)
+	if err != nil {
+		log.Println("Error running AfterDelete method in deleteHandler for:", t, err)
+		return
+	}
+
+	redir := "/admin/uploads"
+	http.Redirect(res, req, redir, http.StatusFound)
+}
+
 func editUploadHandler(res http.ResponseWriter, req *http.Request) {
 	switch req.Method {
 	case http.MethodGet: