chore(web): move web handler package to Vikunja

(cherry picked from commit 2063da9eecf8d0980a62106a627d7f00da172138)

pkg/web/web.go

@@ -0,0 +1,67 @@
+// Vikunja is a to-do list application to facilitate your life.
+// Copyright 2018-present Vikunja and contributors. All rights reserved.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public Licensee 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 Licensee for more details.
+//
+// You should have received a copy of the GNU Affero General Public Licensee
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package web
+
+import (
+	"github.com/labstack/echo/v4"
+	"xorm.io/xorm"
+)
+
+// Rights defines rights methods
+type Rights interface {
+	CanRead(*xorm.Session, Auth) (bool, int, error)
+	CanDelete(*xorm.Session, Auth) (bool, error)
+	CanUpdate(*xorm.Session, Auth) (bool, error)
+	CanCreate(*xorm.Session, Auth) (bool, error)
+}
+
+// CRUDable defines the crud methods
+type CRUDable interface {
+	Create(*xorm.Session, Auth) error
+	ReadOne(*xorm.Session, Auth) error
+	ReadAll(s *xorm.Session, auth Auth, search string, page int, perPage int) (result interface{}, resultCount int, numberOfTotalItems int64, err error)
+	Update(*xorm.Session, Auth) error
+	Delete(*xorm.Session, Auth) error
+}
+
+// HTTPErrorProcessor is executed when the defined error is thrown, it will make sure the user sees an appropriate error message and http status code
+type HTTPErrorProcessor interface {
+	HTTPError() HTTPError
+}
+
+// HTTPError holds informations about an http error
+type HTTPError struct {
+	HTTPCode int    `json:"-"`
+	Code     int    `json:"code"`
+	Message  string `json:"message"`
+}
+
+// Auth defines the authentication interface used to get some auth thing
+type Auth interface {
+	// Most of the time, we need an ID from the auth object only. Having this method saves the need to cast it.
+	GetID() int64
+}
+
+// Authprovider is a holder for the implementation of an authprovider by the application
+type Authprovider interface {
+	GetAuthObject(echo.Context) (Auth, error)
+}
+
+// Auths holds the authobject
+type Auths struct {
+	AuthObject func(echo.Context) (Auth, error)
+}