Move db related basic functions to models/db (#17075)

* Move db related basic functions to models/db

* Fix lint

* Fix lint

* Fix test

* Fix lint

* Fix lint

* revert unnecessary change

* Fix test

* Fix wrong replace string

* Use *Context

* Correct committer spelling and fix wrong replaced words

Co-authored-by: zeripath <art27@cantab.net>

routers/web/repo/release_test.go

@@ -8,6 +8,7 @@ import (
 	"testing"
 
 	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/models/db"
 	"code.gitea.io/gitea/modules/test"
 	"code.gitea.io/gitea/modules/web"
 	"code.gitea.io/gitea/services/forms"
@@ -43,7 +44,7 @@ func TestNewReleasePost(t *testing.T) {
 			},
 		},
 	} {
-		models.PrepareTestEnv(t)
+		db.PrepareTestEnv(t)
 
 		ctx := test.MockContext(t, "user2/repo1/releases/new")
 		test.LoadUser(t, ctx, 2)
@@ -51,14 +52,14 @@ func TestNewReleasePost(t *testing.T) {
 		test.LoadGitRepo(t, ctx)
 		web.SetForm(ctx, &testCase.Form)
 		NewReleasePost(ctx)
-		models.AssertExistsAndLoadBean(t, &models.Release{
+		db.AssertExistsAndLoadBean(t, &models.Release{
 			RepoID:      1,
 			PublisherID: 2,
 			TagName:     testCase.Form.TagName,
 			Target:      testCase.Form.Target,
 			Title:       testCase.Form.Title,
 			Note:        testCase.Form.Content,
-		}, models.Cond("is_draft=?", len(testCase.Form.Draft) > 0))
+		}, db.Cond("is_draft=?", len(testCase.Form.Draft) > 0))
 		ctx.Repo.GitRepo.Close()
 	}
 }