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/wiki_test.go

@@ -0,0 +1,45 @@
+// 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 (
+	"path/filepath"
+	"testing"
+
+	"code.gitea.io/gitea/models/unittest"
+	"code.gitea.io/gitea/modules/setting"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestRepository_WikiCloneLink(t *testing.T) {
+	assert.NoError(t, unittest.PrepareTestDatabase())
+
+	repo := unittest.AssertExistsAndLoadBean(t, &Repository{ID: 1}).(*Repository)
+	cloneLink := repo.WikiCloneLink()
+	assert.Equal(t, "ssh://runuser@try.gitea.io:3000/user2/repo1.wiki.git", cloneLink.SSH)
+	assert.Equal(t, "https://try.gitea.io/user2/repo1.wiki.git", cloneLink.HTTPS)
+}
+
+func TestWikiPath(t *testing.T) {
+	assert.NoError(t, unittest.PrepareTestDatabase())
+	expected := filepath.Join(setting.RepoRootPath, "user2/repo1.wiki.git")
+	assert.Equal(t, expected, WikiPath("user2", "repo1"))
+}
+
+func TestRepository_WikiPath(t *testing.T) {
+	assert.NoError(t, unittest.PrepareTestDatabase())
+	repo := unittest.AssertExistsAndLoadBean(t, &Repository{ID: 1}).(*Repository)
+	expected := filepath.Join(setting.RepoRootPath, "user2/repo1.wiki.git")
+	assert.Equal(t, expected, repo.WikiPath())
+}
+
+func TestRepository_HasWiki(t *testing.T) {
+	unittest.PrepareTestEnv(t)
+	repo1 := unittest.AssertExistsAndLoadBean(t, &Repository{ID: 1}).(*Repository)
+	assert.True(t, repo1.HasWiki())
+	repo2 := unittest.AssertExistsAndLoadBean(t, &Repository{ID: 2}).(*Repository)
+	assert.False(t, repo2.HasWiki())
+}