clean up some weirdness in the router (#80)

internal/router/attach.go

@@ -0,0 +1,41 @@
+/*
+   GoToSocial
+   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package router
+
+import "github.com/gin-gonic/gin"
+
+// AttachHandler attaches the given gin.HandlerFunc to the router with the specified method and path.
+// If the path is set to ANY, then the handlerfunc will be used for ALL methods at its given path.
+func (r *router) AttachHandler(method string, path string, handler gin.HandlerFunc) {
+	if method == "ANY" {
+		r.engine.Any(path, handler)
+	} else {
+		r.engine.Handle(method, path, handler)
+	}
+}
+
+// AttachMiddleware attaches a gin middleware to the router that will be used globally
+func (r *router) AttachMiddleware(middleware gin.HandlerFunc) {
+	r.engine.Use(middleware)
+}
+
+// AttachNoRouteHandler attaches a gin.HandlerFunc to NoRoute to handle 404's
+func (r *router) AttachNoRouteHandler(handler gin.HandlerFunc) {
+	r.engine.NoRoute(handler)
+}