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gitea/modules/migrations/base/downloader.go
6543 49b1948cb1
Gitea 2 Gitea migration (#12657)
* first draft

* update gitea sdk to 9e280adb4da

* adapt feat of updated sdk

* releases now works

* break the Reactions loop

* use convertGiteaLabel

* fix endless loop because paggination is not supported there !!!

* rename gitea local uploader files

* pagination can bite you in the ass

* Version Checks

* lint

* docs

* rename gitea sdk import to miss future conficts

* go-swagger: dont scan the sdk structs

* make sure gitea can shutdown gracefully

* make GetPullRequests and GetIssues similar

* rm useles

* Add Test: started ...

* ... add tests ...

* Add tests and Fixing things

* Workaround missing SHA

* Adapt: Ensure that all migration requests are cancellable
(714ab71ddc)

* LINT: fix misspells in test set

* adapt ListMergeRequestAwardEmoji

* update sdk

* Return error when creating giteadownloader failed

* update sdk

* adapt new sdk

* adopt new features

* check version before err

* adapt: 'migrate service type switch page'

* optimize

* Fix DefaultBranch

* impruve

* handle subPath

* fix test

* Fix ReviewCommentPosition

* test GetReviews

* add DefaultBranch int test set

* rm unused

* Update SDK to v0.13.0

* addopt sdk changes

* found better link

* format template

* Update Docs

* Update Gitea SDK (v0.13.1)
2020-10-14 07:06:00 +03:00

250 lines
6.1 KiB
Go

// Copyright 2019 The Gitea Authors. All rights reserved.
// Copyright 2018 Jonas Franz. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package base
import (
"context"
"io"
"time"
"code.gitea.io/gitea/modules/structs"
)
// AssetDownloader downloads an asset (attachment) for a release
type AssetDownloader interface {
GetAsset(relTag string, relID, id int64) (io.ReadCloser, error)
}
// Downloader downloads the site repo informations
type Downloader interface {
AssetDownloader
SetContext(context.Context)
GetRepoInfo() (*Repository, error)
GetTopics() ([]string, error)
GetMilestones() ([]*Milestone, error)
GetReleases() ([]*Release, error)
GetLabels() ([]*Label, error)
GetIssues(page, perPage int) ([]*Issue, bool, error)
GetComments(issueNumber int64) ([]*Comment, error)
GetPullRequests(page, perPage int) ([]*PullRequest, bool, error)
GetReviews(pullRequestNumber int64) ([]*Review, error)
}
// DownloaderFactory defines an interface to match a downloader implementation and create a downloader
type DownloaderFactory interface {
New(ctx context.Context, opts MigrateOptions) (Downloader, error)
GitServiceType() structs.GitServiceType
}
var (
_ Downloader = &RetryDownloader{}
)
// RetryDownloader retry the downloads
type RetryDownloader struct {
Downloader
ctx context.Context
RetryTimes int // the total execute times
RetryDelay int // time to delay seconds
}
// NewRetryDownloader creates a retry downloader
func NewRetryDownloader(ctx context.Context, downloader Downloader, retryTimes, retryDelay int) *RetryDownloader {
return &RetryDownloader{
Downloader: downloader,
ctx: ctx,
RetryTimes: retryTimes,
RetryDelay: retryDelay,
}
}
// SetContext set context
func (d *RetryDownloader) SetContext(ctx context.Context) {
d.ctx = ctx
d.Downloader.SetContext(ctx)
}
// GetRepoInfo returns a repository information with retry
func (d *RetryDownloader) GetRepoInfo() (*Repository, error) {
var (
times = d.RetryTimes
repo *Repository
err error
)
for ; times > 0; times-- {
if repo, err = d.Downloader.GetRepoInfo(); err == nil {
return repo, nil
}
select {
case <-d.ctx.Done():
return nil, d.ctx.Err()
case <-time.After(time.Second * time.Duration(d.RetryDelay)):
}
}
return nil, err
}
// GetTopics returns a repository's topics with retry
func (d *RetryDownloader) GetTopics() ([]string, error) {
var (
times = d.RetryTimes
topics []string
err error
)
for ; times > 0; times-- {
if topics, err = d.Downloader.GetTopics(); err == nil {
return topics, nil
}
select {
case <-d.ctx.Done():
return nil, d.ctx.Err()
case <-time.After(time.Second * time.Duration(d.RetryDelay)):
}
}
return nil, err
}
// GetMilestones returns a repository's milestones with retry
func (d *RetryDownloader) GetMilestones() ([]*Milestone, error) {
var (
times = d.RetryTimes
milestones []*Milestone
err error
)
for ; times > 0; times-- {
if milestones, err = d.Downloader.GetMilestones(); err == nil {
return milestones, nil
}
select {
case <-d.ctx.Done():
return nil, d.ctx.Err()
case <-time.After(time.Second * time.Duration(d.RetryDelay)):
}
}
return nil, err
}
// GetReleases returns a repository's releases with retry
func (d *RetryDownloader) GetReleases() ([]*Release, error) {
var (
times = d.RetryTimes
releases []*Release
err error
)
for ; times > 0; times-- {
if releases, err = d.Downloader.GetReleases(); err == nil {
return releases, nil
}
select {
case <-d.ctx.Done():
return nil, d.ctx.Err()
case <-time.After(time.Second * time.Duration(d.RetryDelay)):
}
}
return nil, err
}
// GetLabels returns a repository's labels with retry
func (d *RetryDownloader) GetLabels() ([]*Label, error) {
var (
times = d.RetryTimes
labels []*Label
err error
)
for ; times > 0; times-- {
if labels, err = d.Downloader.GetLabels(); err == nil {
return labels, nil
}
select {
case <-d.ctx.Done():
return nil, d.ctx.Err()
case <-time.After(time.Second * time.Duration(d.RetryDelay)):
}
}
return nil, err
}
// GetIssues returns a repository's issues with retry
func (d *RetryDownloader) GetIssues(page, perPage int) ([]*Issue, bool, error) {
var (
times = d.RetryTimes
issues []*Issue
isEnd bool
err error
)
for ; times > 0; times-- {
if issues, isEnd, err = d.Downloader.GetIssues(page, perPage); err == nil {
return issues, isEnd, nil
}
select {
case <-d.ctx.Done():
return nil, false, d.ctx.Err()
case <-time.After(time.Second * time.Duration(d.RetryDelay)):
}
}
return nil, false, err
}
// GetComments returns a repository's comments with retry
func (d *RetryDownloader) GetComments(issueNumber int64) ([]*Comment, error) {
var (
times = d.RetryTimes
comments []*Comment
err error
)
for ; times > 0; times-- {
if comments, err = d.Downloader.GetComments(issueNumber); err == nil {
return comments, nil
}
select {
case <-d.ctx.Done():
return nil, d.ctx.Err()
case <-time.After(time.Second * time.Duration(d.RetryDelay)):
}
}
return nil, err
}
// GetPullRequests returns a repository's pull requests with retry
func (d *RetryDownloader) GetPullRequests(page, perPage int) ([]*PullRequest, bool, error) {
var (
times = d.RetryTimes
prs []*PullRequest
err error
isEnd bool
)
for ; times > 0; times-- {
if prs, isEnd, err = d.Downloader.GetPullRequests(page, perPage); err == nil {
return prs, isEnd, nil
}
select {
case <-d.ctx.Done():
return nil, false, d.ctx.Err()
case <-time.After(time.Second * time.Duration(d.RetryDelay)):
}
}
return nil, false, err
}
// GetReviews returns pull requests reviews
func (d *RetryDownloader) GetReviews(pullRequestNumber int64) ([]*Review, error) {
var (
times = d.RetryTimes
reviews []*Review
err error
)
for ; times > 0; times-- {
if reviews, err = d.Downloader.GetReviews(pullRequestNumber); err == nil {
return reviews, nil
}
select {
case <-d.ctx.Done():
return nil, d.ctx.Err()
case <-time.After(time.Second * time.Duration(d.RetryDelay)):
}
}
return nil, err
}