A fork of Gitea (see branch `mj`) adding Majority Judgment Polls 𐄷 over Issues and Merge Requests. https://git.mieuxvoter.fr
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// Copyright 2019 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 migrations
import (
"context"
"fmt"
"net/http"
"net/url"
"strings"
"time"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/migrations/base"
"code.gitea.io/gitea/modules/structs"
"github.com/gogs/go-gogs-client"
)
var (
_ base.Downloader = &GogsDownloader{}
_ base.DownloaderFactory = &GogsDownloaderFactory{}
)
func init() {
RegisterDownloaderFactory(&GogsDownloaderFactory{})
}
// GogsDownloaderFactory defines a gogs downloader factory
type GogsDownloaderFactory struct {
}
// New returns a Downloader related to this factory according MigrateOptions
func (f *GogsDownloaderFactory) New(ctx context.Context, opts base.MigrateOptions) (base.Downloader, error) {
u, err := url.Parse(opts.CloneAddr)
if err != nil {
return nil, err
}
baseURL := u.Scheme + "://" + u.Host
repoNameSpace := strings.TrimSuffix(u.Path, ".git")
repoNameSpace = strings.Trim(repoNameSpace, "/")
fields := strings.Split(repoNameSpace, "/")
if len(fields) < 2 {
return nil, fmt.Errorf("invalid path: %s", repoNameSpace)
}
log.Trace("Create gogs downloader. BaseURL: %s RepoOwner: %s RepoName: %s", baseURL, fields[0], fields[1])
return NewGogsDownloader(ctx, baseURL, opts.AuthUsername, opts.AuthPassword, opts.AuthToken, fields[0], fields[1]), nil
}
// GitServiceType returns the type of git service
func (f *GogsDownloaderFactory) GitServiceType() structs.GitServiceType {
return structs.GogsService
}
// GogsDownloader implements a Downloader interface to get repository informations
// from gogs via API
type GogsDownloader struct {
base.NullDownloader
ctx context.Context
client *gogs.Client
baseURL string
repoOwner string
repoName string
userName string
password string
openIssuesFinished bool
openIssuesPages int
transport http.RoundTripper
}
// SetContext set context
func (g *GogsDownloader) SetContext(ctx context.Context) {
g.ctx = ctx
}
// NewGogsDownloader creates a gogs Downloader via gogs API
func NewGogsDownloader(ctx context.Context, baseURL, userName, password, token, repoOwner, repoName string) *GogsDownloader {
var downloader = GogsDownloader{
ctx: ctx,
baseURL: baseURL,
userName: userName,
password: password,
repoOwner: repoOwner,
repoName: repoName,
}
var client *gogs.Client
if len(token) != 0 {
client = gogs.NewClient(baseURL, token)
downloader.userName = token
} else {
downloader.transport = &http.Transport{
Proxy: func(req *http.Request) (*url.URL, error) {
req.SetBasicAuth(userName, password)
return nil, nil
},
}
client = gogs.NewClient(baseURL, "")
client.SetHTTPClient(&http.Client{
Transport: &downloader,
})
}
downloader.client = client
return &downloader
}
// RoundTrip wraps the provided request within this downloader's context and passes it to our internal http.Transport.
// This implements http.RoundTripper and makes the gogs client requests cancellable even though it is not cancellable itself
func (g *GogsDownloader) RoundTrip(req *http.Request) (*http.Response, error) {
return g.transport.RoundTrip(req.WithContext(g.ctx))
}
// GetRepoInfo returns a repository information
func (g *GogsDownloader) GetRepoInfo() (*base.Repository, error) {
gr, err := g.client.GetRepo(g.repoOwner, g.repoName)
if err != nil {
return nil, err
}
// convert gogs repo to stand Repo
return &base.Repository{
Owner: g.repoOwner,
Name: g.repoName,
IsPrivate: gr.Private,
Description: gr.Description,
CloneURL: gr.CloneURL,
OriginalURL: gr.HTMLURL,
DefaultBranch: gr.DefaultBranch,
}, nil
}
// GetMilestones returns milestones
func (g *GogsDownloader) GetMilestones() ([]*base.Milestone, error) {
var perPage = 100
var milestones = make([]*base.Milestone, 0, perPage)
ms, err := g.client.ListRepoMilestones(g.repoOwner, g.repoName)
if err != nil {
return nil, err
}
t := time.Now()
for _, m := range ms {
milestones = append(milestones, &base.Milestone{
Title: m.Title,
Description: m.Description,
Deadline: m.Deadline,
State: string(m.State),
Created: t,
Updated: &t,
Closed: m.Closed,
})
}
return milestones, nil
}
// GetLabels returns labels
func (g *GogsDownloader) GetLabels() ([]*base.Label, error) {
var perPage = 100
var labels = make([]*base.Label, 0, perPage)
ls, err := g.client.ListRepoLabels(g.repoOwner, g.repoName)
if err != nil {
return nil, err
}
for _, label := range ls {
labels = append(labels, convertGogsLabel(label))
}
return labels, nil
}
// GetIssues returns issues according start and limit, perPage is not supported
func (g *GogsDownloader) GetIssues(page, _ int) ([]*base.Issue, bool, error) {
var state string
if g.openIssuesFinished {
state = string(gogs.STATE_CLOSED)
page -= g.openIssuesPages
} else {
state = string(gogs.STATE_OPEN)
g.openIssuesPages = page
}
issues, isEnd, err := g.getIssues(page, state)
if err != nil {
return nil, false, err
}
if isEnd {
if g.openIssuesFinished {
return issues, true, nil
}
g.openIssuesFinished = true
}
return issues, false, nil
}
func (g *GogsDownloader) getIssues(page int, state string) ([]*base.Issue, bool, error) {
var allIssues = make([]*base.Issue, 0, 10)
issues, err := g.client.ListRepoIssues(g.repoOwner, g.repoName, gogs.ListIssueOption{
Page: page,
State: state,
})
if err != nil {
return nil, false, fmt.Errorf("error while listing repos: %v", err)
}
for _, issue := range issues {
if issue.PullRequest != nil {
continue
}
allIssues = append(allIssues, convertGogsIssue(issue))
}
return allIssues, len(issues) == 0, nil
}
// GetComments returns comments according issueNumber
func (g *GogsDownloader) GetComments(issueNumber int64) ([]*base.Comment, error) {
var allComments = make([]*base.Comment, 0, 100)
comments, err := g.client.ListIssueComments(g.repoOwner, g.repoName, issueNumber)
if err != nil {
return nil, fmt.Errorf("error while listing repos: %v", err)
}
for _, comment := range comments {
if len(comment.Body) == 0 || comment.Poster == nil {
continue
}
allComments = append(allComments, &base.Comment{
IssueIndex: issueNumber,
PosterID: comment.Poster.ID,
PosterName: comment.Poster.Login,
PosterEmail: comment.Poster.Email,
Content: comment.Body,
Created: comment.Created,
Updated: comment.Updated,
})
}
return allComments, nil
}
// GetTopics return repository topics
func (g *GogsDownloader) GetTopics() ([]string, error) {
return []string{}, nil
}
// FormatCloneURL add authentification into remote URLs
func (g *GogsDownloader) FormatCloneURL(opts MigrateOptions, remoteAddr string) (string, error) {
if len(opts.AuthToken) > 0 || len(opts.AuthUsername) > 0 {
u, err := url.Parse(remoteAddr)
if err != nil {
return "", err
}
if len(opts.AuthToken) != 0 {
u.User = url.UserPassword(opts.AuthToken, "")
} else {
u.User = url.UserPassword(opts.AuthUsername, opts.AuthPassword)
}
return u.String(), nil
}
return remoteAddr, nil
}
func convertGogsIssue(issue *gogs.Issue) *base.Issue {
var milestone string
if issue.Milestone != nil {
milestone = issue.Milestone.Title
}
var labels = make([]*base.Label, 0, len(issue.Labels))
for _, l := range issue.Labels {
labels = append(labels, convertGogsLabel(l))
}
var closed *time.Time
if issue.State == gogs.STATE_CLOSED {
// gogs client haven't provide closed, so we use updated instead
closed = &issue.Updated
}
return &base.Issue{
Title: issue.Title,
Number: issue.Index,
PosterName: issue.Poster.Login,
PosterEmail: issue.Poster.Email,
Content: issue.Body,
Milestone: milestone,
State: string(issue.State),
Created: issue.Created,
Labels: labels,
Closed: closed,
}
}
func convertGogsLabel(label *gogs.Label) *base.Label {
return &base.Label{
Name: label.Name,
Color: label.Color,
}
}