Move repository model into models/repo (#17933)

* Some refactors related repository model

* Move more methods out of repository

* Move repository into models/repo

* Fix test

* Fix test

* some improvements

* Remove unnecessary function

models/repo/pushmirror_test.go

@@ -0,0 +1,50 @@
+// Copyright 2021 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 repo
+
+import (
+	"testing"
+	"time"
+
+	"code.gitea.io/gitea/models/unittest"
+	"code.gitea.io/gitea/modules/timeutil"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPushMirrorsIterate(t *testing.T) {
+	assert.NoError(t, unittest.PrepareTestDatabase())
+
+	now := timeutil.TimeStampNow()
+
+	InsertPushMirror(&PushMirror{
+		RemoteName:     "test-1",
+		LastUpdateUnix: now,
+		Interval:       1,
+	})
+
+	long, _ := time.ParseDuration("24h")
+	InsertPushMirror(&PushMirror{
+		RemoteName:     "test-2",
+		LastUpdateUnix: now,
+		Interval:       long,
+	})
+
+	InsertPushMirror(&PushMirror{
+		RemoteName:     "test-3",
+		LastUpdateUnix: now,
+		Interval:       0,
+	})
+
+	time.Sleep(1 * time.Millisecond)
+
+	PushMirrorsIterate(func(idx int, bean interface{}) error {
+		m, ok := bean.(*PushMirror)
+		assert.True(t, ok)
+		assert.Equal(t, "test-1", m.RemoteName)
+		assert.Equal(t, m.RemoteName, m.GetRemoteName())
+		return nil
+	})
+}