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// Copyright Earl Warren <contact@earl-warren.org>
// Copyright Loïc Dachary <loic@dachary.org>
// SPDX-License-Identifier: MIT
package driver
import (
"context"
"crypto/sha256"
"encoding/hex"
"fmt"
"io"
"os"
"code.gitea.io/gitea/models/db"
repo_model "code.gitea.io/gitea/models/repo"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/storage"
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/services/attachment"
"code.forgejo.org/f3/gof3/v3/f3"
f3_tree "code.forgejo.org/f3/gof3/v3/tree/f3"
"code.forgejo.org/f3/gof3/v3/tree/generic"
f3_util "code.forgejo.org/f3/gof3/v3/util"
"github.com/google/uuid"
)
var _ f3_tree.ForgeDriverInterface = &issue{}
type asset struct {
common
forgejoAsset *repo_model.Attachment
sha string
contentType string
downloadFunc f3.DownloadFuncType
}
func (o *asset) SetNative(asset any) {
o.forgejoAsset = asset.(*repo_model.Attachment)
}
func (o *asset) GetNativeID() string {
return fmt.Sprintf("%d", o.forgejoAsset.ID)
}
func (o *asset) NewFormat() f3.Interface {
node := o.GetNode()
return node.GetTree().(f3_tree.TreeInterface).NewFormat(node.GetKind())
}
func (o *asset) ToFormat() f3.Interface {
if o.forgejoAsset == nil {
return o.NewFormat()
}
return &f3.ReleaseAsset{
Common: f3.NewCommon(o.GetNativeID()),
Name: o.forgejoAsset.Name,
ContentType: o.contentType,
Size: o.forgejoAsset.Size,
DownloadCount: o.forgejoAsset.DownloadCount,
Created: o.forgejoAsset.CreatedUnix.AsTime(),
SHA256: o.sha,
DownloadURL: o.forgejoAsset.DownloadURL(),
DownloadFunc: o.downloadFunc,
}
}
func (o *asset) FromFormat(content f3.Interface) {
asset := content.(*f3.ReleaseAsset)
o.forgejoAsset = &repo_model.Attachment{
ID: f3_util.ParseInt(asset.GetID()),
Name: asset.Name,
Size: asset.Size,
DownloadCount: asset.DownloadCount,
CreatedUnix: timeutil.TimeStamp(asset.Created.Unix()),
CustomDownloadURL: asset.DownloadURL,
}
o.contentType = asset.ContentType
o.sha = asset.SHA256
o.downloadFunc = asset.DownloadFunc
}
func (o *asset) Get(ctx context.Context) bool {
node := o.GetNode()
o.Trace("%s", node.GetID())
id := node.GetID().Int64()
asset, err := repo_model.GetAttachmentByID(ctx, id)
if repo_model.IsErrAttachmentNotExist(err) {
return false
}
if err != nil {
panic(fmt.Errorf("asset %v %w", id, err))
}
o.forgejoAsset = asset
path := o.forgejoAsset.RelativePath()
{
f, err := storage.Attachments.Open(path)
if err != nil {
panic(err)
}
hasher := sha256.New()
if _, err := io.Copy(hasher, f); err != nil {
panic(fmt.Errorf("io.Copy to hasher: %v", err))
}
o.sha = hex.EncodeToString(hasher.Sum(nil))
}
o.downloadFunc = func() io.ReadCloser {
o.Trace("download %s from copy stored in temporary file %s", o.forgejoAsset.DownloadURL, path)
f, err := os.Open(path)
if err != nil {
panic(err)
}
return f
}
return true
}
func (o *asset) Patch(ctx context.Context) {
o.Trace("%d", o.forgejoAsset.ID)
if _, err := db.GetEngine(ctx).ID(o.forgejoAsset.ID).Cols("name").Update(o.forgejoAsset); err != nil {
panic(fmt.Errorf("UpdateAssetCols: %v %v", o.forgejoAsset, err))
}
}
func (o *asset) Put(ctx context.Context) generic.NodeID {
node := o.GetNode()
o.Trace("%s", node.GetID())
uploader, err := user_model.GetAdminUser(ctx)
if err != nil {
panic(fmt.Errorf("GetAdminUser %w", err))
}
o.forgejoAsset.UploaderID = uploader.ID
o.forgejoAsset.RepoID = f3_tree.GetProjectID(o.GetNode())
o.forgejoAsset.ReleaseID = f3_tree.GetReleaseID(o.GetNode())
o.forgejoAsset.UUID = uuid.New().String()
download := o.downloadFunc()
defer download.Close()
_, err = attachment.NewAttachment(ctx, o.forgejoAsset, download, o.forgejoAsset.Size)
if err != nil {
panic(err)
}
o.Trace("asset created %d", o.forgejoAsset.ID)
return generic.NewNodeID(o.forgejoAsset.ID)
}
func (o *asset) Delete(ctx context.Context) {
node := o.GetNode()
o.Trace("%s", node.GetID())
if err := repo_model.DeleteAttachment(ctx, o.forgejoAsset, true); err != nil {
panic(err)
}
}
func newAsset() generic.NodeDriverInterface {
return &asset{}
}
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