chore(db): introduce db.Session and db.EngineMigration interfaces (#37746)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: wxiaoguang <2114189+wxiaoguang@users.noreply.github.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

models/organization/org.go

@@ -19,7 +19,6 @@ import (
 	"code.gitea.io/gitea/modules/util"
 
 	"xorm.io/builder"
-	"xorm.io/xorm"
 )
 
 // ErrOrgNotExist represents a "OrgNotExist" kind of error.
@@ -191,7 +190,7 @@ func (opts FindOrgMembersOpts) PublicOnly() bool {
 }
 
 // applyTeamMatesOnlyFilter make sure restricted users only see public team members and there own team mates
-func (opts FindOrgMembersOpts) applyTeamMatesOnlyFilter(sess *xorm.Session) {
+func (opts FindOrgMembersOpts) applyTeamMatesOnlyFilter(sess db.Session) {
 	if opts.Doer != nil && opts.IsDoerMember && opts.Doer.IsRestricted {
 		teamMates := builder.Select("DISTINCT team_user.uid").
 			From("team_user").
@@ -463,7 +462,7 @@ func GetOrgUsersByOrgID(ctx context.Context, opts *FindOrgMembersOpts) ([]*OrgUs
 	}
 
 	if opts.ListOptions.PageSize > 0 {
-		sess = db.SetSessionPagination(sess, opts)
+		db.SetSessionPagination(sess, opts)
 
 		ous := make([]*OrgUser, 0, opts.PageSize)
 		return ous, sess.Find(&ous)

models/organization/team_list.go

@@ -85,7 +85,7 @@ func SearchTeam(ctx context.Context, opts *SearchTeamOptions) (TeamList, int64,
 	if opts.UserID > 0 {
 		sess = sess.Join("INNER", "team_user", "team_user.team_id = team.id")
 	}
-	sess = db.SetSessionPagination(sess, opts)
+	db.SetSessionPagination(sess, opts)
 
 	teams := make([]*Team, 0, opts.PageSize)
 	count, err := sess.Where(cond).OrderBy("CASE WHEN name=? THEN '' ELSE lower_name END", OwnerTeamName).FindAndCount(&teams)