forgejo/modules/migrations/base/retry_downloader.go
6543 81c833d92d
Add support to migrate from gogs (#14342)
Add support to migrate gogs:

  *  issues
  *  comments
  *  labels
  *  milestones
  *  wiki


Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: Andrew Thornton <art27@cantab.net>
2021-01-21 20:33:58 +01:00

247 lines
5.6 KiB
Go

// Copyright 2021 The Gitea Authors. 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"
"time"
)
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
}
if IsErrNotSupported(err) {
return nil, err
}
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
}
if IsErrNotSupported(err) {
return nil, err
}
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
}
if IsErrNotSupported(err) {
return nil, err
}
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
}
if IsErrNotSupported(err) {
return nil, err
}
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
}
if IsErrNotSupported(err) {
return nil, err
}
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
}
if IsErrNotSupported(err) {
return nil, false, err
}
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
}
if IsErrNotSupported(err) {
return nil, err
}
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
}
if IsErrNotSupported(err) {
return nil, false, err
}
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
}
if IsErrNotSupported(err) {
return nil, err
}
select {
case <-d.ctx.Done():
return nil, d.ctx.Err()
case <-time.After(time.Second * time.Duration(d.RetryDelay)):
}
}
return nil, err
}