1 files changed, 139 insertions, 0 deletions
diff --git a/models/repo/archiver.go b/models/repo/archiver.go
new file mode 100644
index 00000000..3f05fcf7
--- /dev/null
+++ b/models/repo/archiver.go
@@ -0,0 +1,139 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package repo
+
+import (
+	"context"
+	"fmt"
+	"strconv"
+	"strings"
+	"time"
+
+	"code.gitea.io/gitea/models/db"
+	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/timeutil"
+	"code.gitea.io/gitea/modules/util"
+
+	"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(64) unique(s)"`
+	CreatedUnix timeutil.TimeStamp `xorm:"INDEX NOT NULL created"`
+	ReleaseID   int64              `xorm:"-"`
+}
+
+func init() {
+	db.RegisterModel(new(RepoArchiver))
+}
+
+// RelativePath returns the archive path relative to the archive storage root.
+func (archiver *RepoArchiver) RelativePath() string {
+	return fmt.Sprintf("%d/%s/%s.%s", archiver.RepoID, archiver.CommitID[:2], archiver.CommitID, archiver.Type.String())
+}
+
+// repoArchiverForRelativePath takes a relativePath created from (archiver *RepoArchiver) RelativePath() and creates a shell repoArchiver struct representing it
+func repoArchiverForRelativePath(relativePath string) (*RepoArchiver, error) {
+	parts := strings.SplitN(relativePath, "/", 3)
+	if len(parts) != 3 {
+		return nil, util.SilentWrap{Message: fmt.Sprintf("invalid storage path: %s", relativePath), Err: util.ErrInvalidArgument}
+	}
+	repoID, err := strconv.ParseInt(parts[0], 10, 64)
+	if err != nil {
+		return nil, util.SilentWrap{Message: fmt.Sprintf("invalid storage path: %s", relativePath), Err: util.ErrInvalidArgument}
+	}
+	nameExts := strings.SplitN(parts[2], ".", 2)
+	if len(nameExts) != 2 {
+		return nil, util.SilentWrap{Message: fmt.Sprintf("invalid storage path: %s", relativePath), Err: util.ErrInvalidArgument}
+	}
+
+	return &RepoArchiver{
+		RepoID:   repoID,
+		CommitID: parts[1] + nameExts[0],
+		Type:     git.ToArchiveType(nameExts[1]),
+	}, nil
+}
+
+// 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
+}
+
+// ExistsRepoArchiverWithStoragePath checks if there is a RepoArchiver for a given storage path
+func ExistsRepoArchiverWithStoragePath(ctx context.Context, storagePath string) (bool, error) {
+	// We need to invert the path provided func (archiver *RepoArchiver) RelativePath() above
+	archiver, err := repoArchiverForRelativePath(storagePath)
+	if err != nil {
+		return false, err
+	}
+
+	return db.GetEngine(ctx).Exist(archiver)
+}
+
+// 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(ctx context.Context) error {
+	// 1=1 to enforce delete all data, otherwise it will delete nothing
+	_, err := db.GetEngine(ctx).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 {
+	cond := builder.NewCond()
+	if opts.OlderThan > 0 {
+		cond = cond.And(builder.Lt{"created_unix": time.Now().Add(-opts.OlderThan).Unix()})
+	}
+	return cond
+}
+
+func (opts FindRepoArchiversOption) ToOrders() string {
+	return "created_unix ASC"
+}
+
+// SetArchiveRepoState sets if a repo is archived
+func SetArchiveRepoState(ctx context.Context, repo *Repository, isArchived bool) (err error) {
+	repo.IsArchived = isArchived
+
+	if isArchived {
+		repo.ArchivedUnix = timeutil.TimeStampNow()
+	} else {
+		repo.ArchivedUnix = timeutil.TimeStamp(0)
+	}
+
+	_, err = db.GetEngine(ctx).ID(repo.ID).Cols("is_archived", "archived_unix").NoAutoTime().Update(repo)
+	return err
+}