mirror of
https://codeberg.org/forgejo/forgejo.git
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100 lines
3.1 KiB
Go
100 lines
3.1 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package packages
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import (
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"context"
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"time"
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"code.gitea.io/gitea/models/db"
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"code.gitea.io/gitea/modules/timeutil"
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"code.gitea.io/gitea/modules/util"
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)
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// ErrPackageBlobNotExist indicates a package blob not exist error
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var ErrPackageBlobNotExist = util.NewNotExistErrorf("package blob does not exist")
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func init() {
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db.RegisterModel(new(PackageBlob))
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}
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// PackageBlob represents a package blob
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type PackageBlob struct {
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ID int64 `xorm:"pk autoincr"`
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Size int64 `xorm:"NOT NULL DEFAULT 0"`
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HashMD5 string `xorm:"hash_md5 char(32) UNIQUE(md5) INDEX NOT NULL"`
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HashSHA1 string `xorm:"hash_sha1 char(40) UNIQUE(sha1) INDEX NOT NULL"`
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HashSHA256 string `xorm:"hash_sha256 char(64) UNIQUE(sha256) INDEX NOT NULL"`
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HashSHA512 string `xorm:"hash_sha512 char(128) UNIQUE(sha512) INDEX NOT NULL"`
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CreatedUnix timeutil.TimeStamp `xorm:"created INDEX NOT NULL"`
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}
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// GetOrInsertBlob inserts a blob. If the blob exists already the existing blob is returned
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func GetOrInsertBlob(ctx context.Context, pb *PackageBlob) (*PackageBlob, bool, error) {
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e := db.GetEngine(ctx)
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has, err := e.Get(pb)
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if err != nil {
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return nil, false, err
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}
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if has {
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return pb, true, nil
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}
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if _, err = e.Insert(pb); err != nil {
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return nil, false, err
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}
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return pb, false, nil
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}
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// GetBlobByID gets a blob by id
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func GetBlobByID(ctx context.Context, blobID int64) (*PackageBlob, error) {
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pb := &PackageBlob{}
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has, err := db.GetEngine(ctx).ID(blobID).Get(pb)
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if err != nil {
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return nil, err
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}
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if !has {
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return nil, ErrPackageBlobNotExist
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}
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return pb, nil
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}
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// ExistPackageBlobWithSHA returns if a package blob exists with the provided sha
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func ExistPackageBlobWithSHA(ctx context.Context, blobSha256 string) (bool, error) {
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return db.GetEngine(ctx).Exist(&PackageBlob{
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HashSHA256: blobSha256,
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})
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}
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// FindExpiredUnreferencedBlobs gets all blobs without associated files older than the specific duration
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func FindExpiredUnreferencedBlobs(ctx context.Context, olderThan time.Duration) ([]*PackageBlob, error) {
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pbs := make([]*PackageBlob, 0, 10)
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return pbs, db.GetEngine(ctx).
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Table("package_blob").
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Join("LEFT", "package_file", "package_file.blob_id = package_blob.id").
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Where("package_file.id IS NULL AND package_blob.created_unix < ?", time.Now().Add(-olderThan).Unix()).
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Find(&pbs)
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}
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// DeleteBlobByID deletes a blob by id
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func DeleteBlobByID(ctx context.Context, blobID int64) error {
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_, err := db.GetEngine(ctx).ID(blobID).Delete(&PackageBlob{})
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return err
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}
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// GetTotalBlobSize returns the total blobs size in bytes
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func GetTotalBlobSize(ctx context.Context) (int64, error) {
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return db.GetEngine(ctx).
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SumInt(&PackageBlob{}, "size")
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}
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// GetTotalUnreferencedBlobSize returns the total size of all unreferenced blobs in bytes
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func GetTotalUnreferencedBlobSize(ctx context.Context) (int64, error) {
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return db.GetEngine(ctx).
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Table("package_blob").
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Join("LEFT", "package_file", "package_file.blob_id = package_blob.id").
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Where("package_file.id IS NULL").
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SumInt(&PackageBlob{}, "size")
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}
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