Count downloads for tag archives

models/repo/archive_download_count.go

@@ -0,0 +1,87 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package repo
+
+import (
+	"context"
+
+	"code.gitea.io/gitea/models/db"
+	"code.gitea.io/gitea/modules/git"
+	api "code.gitea.io/gitea/modules/structs"
+)
+
+// RepoArchiveDownloadCount counts all archive downloads for a tag
+type RepoArchiveDownloadCount struct { //nolint:revive
+	ID        int64           `xorm:"pk autoincr"`
+	RepoID    int64           `xorm:"index unique(s)"`
+	ReleaseID int64           `xorm:"index unique(s)"`
+	Type      git.ArchiveType `xorm:"unique(s)"`
+	Count     int64
+}
+
+func init() {
+	db.RegisterModel(new(RepoArchiveDownloadCount))
+}
+
+// CountArchiveDownload adds one download the the given archive
+func CountArchiveDownload(ctx context.Context, repoID, releaseID int64, tp git.ArchiveType) error {
+	updateCount, err := db.GetEngine(ctx).Where("repo_id = ?", repoID).And("release_id = ?", releaseID).And("`type` = ?", tp).Incr("count").Update(new(RepoArchiveDownloadCount))
+	if err != nil {
+		return err
+	}
+
+	if updateCount != 0 {
+		// The count was updated, so we can exit
+		return nil
+	}
+
+	// The archive does not esxists in the databse, so let's add it
+	newCounter := &RepoArchiveDownloadCount{
+		RepoID:    repoID,
+		ReleaseID: releaseID,
+		Type:      tp,
+		Count:     1,
+	}
+
+	_, err = db.GetEngine(ctx).Insert(newCounter)
+	return err
+}
+
+// GetArchiveDownloadCount returns the download count of a tag
+func GetArchiveDownloadCount(ctx context.Context, repoID, releaseID int64) (*api.TagArchiveDownloadCount, error) {
+	downloadCountList := make([]RepoArchiveDownloadCount, 0)
+	err := db.GetEngine(ctx).Where("repo_id = ?", repoID).And("release_id = ?", releaseID).Find(&downloadCountList)
+	if err != nil {
+		return nil, err
+	}
+
+	tagCounter := new(api.TagArchiveDownloadCount)
+
+	for _, singleCount := range downloadCountList {
+		switch singleCount.Type {
+		case git.ZIP:
+			tagCounter.Zip = singleCount.Count
+		case git.TARGZ:
+			tagCounter.TarGz = singleCount.Count
+		}
+	}
+
+	return tagCounter, nil
+}
+
+// GetDownloadCountForTagName returns the download count of a tag with the given name
+func GetArchiveDownloadCountForTagName(ctx context.Context, repoID int64, tagName string) (*api.TagArchiveDownloadCount, error) {
+	release, err := GetRelease(ctx, repoID, tagName)
+	if err != nil {
+		return nil, err
+	}
+
+	return GetArchiveDownloadCount(ctx, repoID, release.ID)
+}
+
+// DeleteArchiveDownloadCountForRelease deletes the release from the repo_archive_download_count table
+func DeleteArchiveDownloadCountForRelease(ctx context.Context, releaseID int64) error {
+	_, err := db.GetEngine(ctx).Delete(&RepoArchiveDownloadCount{ReleaseID: releaseID})
+	return err
+}