Move some files into models' sub packages (#20262)

* Move some files into models' sub packages

* Move functions

* merge main branch

* Fix check

* fix check

* Fix some tests

* Fix lint

* Fix lint

* Revert lint changes

* Fix error comments

* Fix lint

Co-authored-by: 6543 <6543@obermui.de>

services/org/repo.go

@@ -0,0 +1,28 @@
+// Copyright 2022 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 org
+
+import (
+	"context"
+	"errors"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/models/db"
+	"code.gitea.io/gitea/models/organization"
+	repo_model "code.gitea.io/gitea/models/repo"
+)
+
+// TeamAddRepository adds new repository to team of organization.
+func TeamAddRepository(t *organization.Team, repo *repo_model.Repository) (err error) {
+	if repo.OwnerID != t.OrgID {
+		return errors.New("repository does not belong to organization")
+	} else if models.HasRepository(t, repo.ID) {
+		return nil
+	}
+
+	return db.WithTx(func(ctx context.Context) error {
+		return models.AddRepository(ctx, t, repo)
+	})
+}