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/repo_test.go

@@ -0,0 +1,44 @@
+// 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 repo
+
+import (
+	"testing"
+
+	"code.gitea.io/gitea/models/db"
+	"code.gitea.io/gitea/models/unittest"
+	user_model "code.gitea.io/gitea/models/user"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGetRepositoryCount(t *testing.T) {
+	assert.NoError(t, unittest.PrepareTestDatabase())
+
+	count, err1 := GetRepositoryCount(db.DefaultContext, 10)
+	privateCount, err2 := GetPrivateRepositoryCount(&user_model.User{ID: int64(10)})
+	publicCount, err3 := GetPublicRepositoryCount(&user_model.User{ID: int64(10)})
+	assert.NoError(t, err1)
+	assert.NoError(t, err2)
+	assert.NoError(t, err3)
+	assert.Equal(t, int64(3), count)
+	assert.Equal(t, privateCount+publicCount, count)
+}
+
+func TestGetPublicRepositoryCount(t *testing.T) {
+	assert.NoError(t, unittest.PrepareTestDatabase())
+
+	count, err := GetPublicRepositoryCount(&user_model.User{ID: int64(10)})
+	assert.NoError(t, err)
+	assert.Equal(t, int64(1), count)
+}
+
+func TestGetPrivateRepositoryCount(t *testing.T) {
+	assert.NoError(t, unittest.PrepareTestDatabase())
+
+	count, err := GetPrivateRepositoryCount(&user_model.User{ID: int64(10)})
+	assert.NoError(t, err)
+	assert.Equal(t, int64(2), count)
+}