Move repo archiver to models/repo (#17913)

* Move repo archiver to models/repo

* Move archiver service into services/repository/

* Fix imports

* Fix test

* Fix test

models/repo/archiver.go

@@ -0,0 +1,109 @@
+// Copyright 2021 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 (
+	"context"
+	"fmt"
+	"time"
+
+	"code.gitea.io/gitea/models/db"
+	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/timeutil"
+
+	"xorm.io/builder"
+)
+
+// ArchiverStatus represents repo archive status
+type ArchiverStatus int
+
+// enumerate all repo archive statuses
+const (
+	ArchiverGenerating = iota // the archiver is generating
+	ArchiverReady             // it's ready
+)
+
+// RepoArchiver represents all archivers
+type RepoArchiver struct { //revive:disable-line:exported
+	ID          int64           `xorm:"pk autoincr"`
+	RepoID      int64           `xorm:"index unique(s)"`
+	Type        git.ArchiveType `xorm:"unique(s)"`
+	Status      ArchiverStatus
+	CommitID    string             `xorm:"VARCHAR(40) unique(s)"`
+	CreatedUnix timeutil.TimeStamp `xorm:"INDEX NOT NULL created"`
+}
+
+func init() {
+	db.RegisterModel(new(RepoArchiver))
+}
+
+// RelativePath returns relative path
+func (archiver *RepoArchiver) RelativePath() (string, error) {
+	return fmt.Sprintf("%d/%s/%s.%s", archiver.RepoID, archiver.CommitID[:2], archiver.CommitID, archiver.Type.String()), nil
+}
+
+var delRepoArchiver = new(RepoArchiver)
+
+// DeleteRepoArchiver delete archiver
+func DeleteRepoArchiver(ctx context.Context, archiver *RepoArchiver) error {
+	_, err := db.GetEngine(db.DefaultContext).ID(archiver.ID).Delete(delRepoArchiver)
+	return err
+}
+
+// GetRepoArchiver get an archiver
+func GetRepoArchiver(ctx context.Context, repoID int64, tp git.ArchiveType, commitID string) (*RepoArchiver, error) {
+	var archiver RepoArchiver
+	has, err := db.GetEngine(ctx).Where("repo_id=?", repoID).And("`type`=?", tp).And("commit_id=?", commitID).Get(&archiver)
+	if err != nil {
+		return nil, err
+	}
+	if has {
+		return &archiver, nil
+	}
+	return nil, nil
+}
+
+// AddRepoArchiver adds an archiver
+func AddRepoArchiver(ctx context.Context, archiver *RepoArchiver) error {
+	_, err := db.GetEngine(ctx).Insert(archiver)
+	return err
+}
+
+// UpdateRepoArchiverStatus updates archiver's status
+func UpdateRepoArchiverStatus(ctx context.Context, archiver *RepoArchiver) error {
+	_, err := db.GetEngine(ctx).ID(archiver.ID).Cols("status").Update(archiver)
+	return err
+}
+
+// DeleteAllRepoArchives deletes all repo archives records
+func DeleteAllRepoArchives() error {
+	_, err := db.GetEngine(db.DefaultContext).Where("1=1").Delete(new(RepoArchiver))
+	return err
+}
+
+// FindRepoArchiversOption represents an archiver options
+type FindRepoArchiversOption struct {
+	db.ListOptions
+	OlderThan time.Duration
+}
+
+func (opts FindRepoArchiversOption) toConds() builder.Cond {
+	var cond = builder.NewCond()
+	if opts.OlderThan > 0 {
+		cond = cond.And(builder.Lt{"created_unix": time.Now().Add(-opts.OlderThan).Unix()})
+	}
+	return cond
+}
+
+// FindRepoArchives find repo archivers
+func FindRepoArchives(opts FindRepoArchiversOption) ([]*RepoArchiver, error) {
+	var archivers = make([]*RepoArchiver, 0, opts.PageSize)
+	start, limit := opts.GetSkipTake()
+	err := db.GetEngine(db.DefaultContext).Where(opts.toConds()).
+		Asc("created_unix").
+		Limit(limit, start).
+		Find(&archivers)
+	return archivers, err
+}