Drop db operations from hook commands (#1514)

* move all database operations from hook command to web command and instead of internal routes

* bug fixed

* adjust the import path sequences

* remove unused return value on hookSetup

routers/private/branch.go

@@ -0,0 +1,30 @@
+// Copyright 2017 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package private
+
+import (
+	"code.gitea.io/gitea/models"
+
+	macaron "gopkg.in/macaron.v1"
+)
+
+// GetProtectedBranchBy get protected branch information
+func GetProtectedBranchBy(ctx *macaron.Context) {
+	repoID := ctx.ParamsInt64(":id")
+	branchName := ctx.Params(":branch")
+	protectBranch, err := models.GetProtectedBranchBy(repoID, branchName)
+	if err != nil {
+		ctx.JSON(500, map[string]interface{}{
+			"err": err.Error(),
+		})
+		return
+	} else if protectBranch != nil {
+		ctx.JSON(200, protectBranch)
+	} else {
+		ctx.JSON(200, &models.ProtectedBranch{
+			CanPush: true,
+		})
+	}
+}