mirror of
https://github.com/MichaelMure/git-bug.git
synced 2024-12-15 02:01:43 +03:00
602 lines
13 KiB
Go
602 lines
13 KiB
Go
package github
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import (
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"context"
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"fmt"
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"time"
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"github.com/shurcooL/githubv4"
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"github.com/MichaelMure/git-bug/bridge/core"
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"github.com/MichaelMure/git-bug/bridge/core/auth"
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"github.com/MichaelMure/git-bug/bug"
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"github.com/MichaelMure/git-bug/cache"
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"github.com/MichaelMure/git-bug/entity"
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"github.com/MichaelMure/git-bug/util/text"
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)
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// githubImporter implement the Importer interface
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type githubImporter struct {
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conf core.Configuration
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// default user client
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client *githubv4.Client
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// iterator
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iterator *iterator
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// send only channel
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out chan<- core.ImportResult
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}
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func (gi *githubImporter) Init(repo *cache.RepoCache, conf core.Configuration) error {
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gi.conf = conf
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creds, err := auth.List(repo, auth.WithTarget(target), auth.WithKind(auth.KindToken))
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if err != nil {
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return err
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}
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if len(creds) == 0 {
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return ErrMissingIdentityToken
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}
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gi.client = buildClient(creds[0].(*auth.Token))
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return nil
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}
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// ImportAll iterate over all the configured repository issues and ensure the creation of the
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// missing issues / timeline items / edits / label events ...
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func (gi *githubImporter) ImportAll(ctx context.Context, repo *cache.RepoCache, since time.Time) (<-chan core.ImportResult, error) {
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gi.iterator = NewIterator(ctx, gi.client, 10, gi.conf[keyOwner], gi.conf[keyProject], since)
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out := make(chan core.ImportResult)
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gi.out = out
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go func() {
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defer close(gi.out)
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// Loop over all matching issues
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for gi.iterator.NextIssue() {
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issue := gi.iterator.IssueValue()
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// create issue
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b, err := gi.ensureIssue(repo, issue)
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if err != nil {
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err := fmt.Errorf("issue creation: %v", err)
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out <- core.NewImportError(err, "")
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return
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}
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// loop over timeline items
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for gi.iterator.NextTimelineItem() {
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item := gi.iterator.TimelineItemValue()
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err := gi.ensureTimelineItem(repo, b, item)
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if err != nil {
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err = fmt.Errorf("timeline item creation: %v", err)
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out <- core.NewImportError(err, "")
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return
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}
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}
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if !b.NeedCommit() {
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out <- core.NewImportNothing(b.Id(), "no imported operation")
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} else if err := b.Commit(); err != nil {
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// commit bug state
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err = fmt.Errorf("bug commit: %v", err)
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out <- core.NewImportError(err, "")
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return
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}
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}
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if err := gi.iterator.Error(); err != nil {
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gi.out <- core.NewImportError(err, "")
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}
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}()
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return out, nil
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}
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func (gi *githubImporter) ensureIssue(repo *cache.RepoCache, issue issueTimeline) (*cache.BugCache, error) {
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// ensure issue author
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author, err := gi.ensurePerson(repo, issue.Author)
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if err != nil {
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return nil, err
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}
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// resolve bug
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b, err := repo.ResolveBugCreateMetadata(metaKeyGithubUrl, issue.Url.String())
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if err != nil && err != bug.ErrBugNotExist {
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return nil, err
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}
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// get issue edits
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var issueEdits []userContentEdit
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for gi.iterator.NextIssueEdit() {
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issueEdits = append(issueEdits, gi.iterator.IssueEditValue())
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}
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// if issueEdits is empty
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if len(issueEdits) == 0 {
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if err == bug.ErrBugNotExist {
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cleanText, err := text.Cleanup(string(issue.Body))
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if err != nil {
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return nil, err
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}
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// create bug
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b, _, err = repo.NewBugRaw(
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author,
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issue.CreatedAt.Unix(),
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issue.Title,
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cleanText,
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nil,
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map[string]string{
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core.MetaKeyOrigin: target,
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metaKeyGithubId: parseId(issue.Id),
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metaKeyGithubUrl: issue.Url.String(),
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})
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if err != nil {
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return nil, err
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}
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// importing a new bug
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gi.out <- core.NewImportBug(b.Id())
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}
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} else {
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// create bug from given issueEdits
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for i, edit := range issueEdits {
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if i == 0 && b != nil {
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// The first edit in the github result is the issue creation itself, we already have that
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continue
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}
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cleanText, err := text.Cleanup(string(*edit.Diff))
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if err != nil {
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return nil, err
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}
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// if the bug doesn't exist
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if b == nil {
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// we create the bug as soon as we have a legit first edition
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b, _, err = repo.NewBugRaw(
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author,
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issue.CreatedAt.Unix(),
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issue.Title, // TODO: this is the *current* title, not the original one
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cleanText,
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nil,
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map[string]string{
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core.MetaKeyOrigin: target,
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metaKeyGithubId: parseId(issue.Id),
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metaKeyGithubUrl: issue.Url.String(),
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},
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)
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if err != nil {
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return nil, err
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}
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// importing a new bug
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gi.out <- core.NewImportBug(b.Id())
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continue
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}
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// other edits will be added as CommentEdit operations
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target, err := b.ResolveOperationWithMetadata(metaKeyGithubId, parseId(issue.Id))
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if err == cache.ErrNoMatchingOp {
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// original comment is missing somehow, issuing a warning
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gi.out <- core.NewImportWarning(fmt.Errorf("comment ID %s to edit is missing", parseId(issue.Id)), b.Id())
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continue
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}
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if err != nil {
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return nil, err
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}
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err = gi.ensureCommentEdit(repo, b, target, edit)
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if err != nil {
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return nil, err
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}
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}
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}
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return b, nil
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}
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func (gi *githubImporter) ensureTimelineItem(repo *cache.RepoCache, b *cache.BugCache, item timelineItem) error {
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switch item.Typename {
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case "IssueComment":
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// collect all comment edits
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var commentEdits []userContentEdit
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for gi.iterator.NextCommentEdit() {
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commentEdits = append(commentEdits, gi.iterator.CommentEditValue())
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}
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// ensureTimelineComment send import events over out chanel
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err := gi.ensureTimelineComment(repo, b, item.IssueComment, commentEdits)
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if err != nil {
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return fmt.Errorf("timeline comment creation: %v", err)
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}
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return nil
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case "LabeledEvent":
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id := parseId(item.LabeledEvent.Id)
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_, err := b.ResolveOperationWithMetadata(metaKeyGithubId, id)
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if err == nil {
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return nil
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}
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if err != cache.ErrNoMatchingOp {
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return err
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}
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author, err := gi.ensurePerson(repo, item.LabeledEvent.Actor)
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if err != nil {
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return err
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}
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op, err := b.ForceChangeLabelsRaw(
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author,
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item.LabeledEvent.CreatedAt.Unix(),
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[]string{
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string(item.LabeledEvent.Label.Name),
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},
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nil,
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map[string]string{metaKeyGithubId: id},
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)
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if err != nil {
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return err
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}
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gi.out <- core.NewImportLabelChange(op.Id())
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return nil
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case "UnlabeledEvent":
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id := parseId(item.UnlabeledEvent.Id)
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_, err := b.ResolveOperationWithMetadata(metaKeyGithubId, id)
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if err == nil {
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return nil
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}
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if err != cache.ErrNoMatchingOp {
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return err
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}
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author, err := gi.ensurePerson(repo, item.UnlabeledEvent.Actor)
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if err != nil {
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return err
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}
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op, err := b.ForceChangeLabelsRaw(
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author,
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item.UnlabeledEvent.CreatedAt.Unix(),
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nil,
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[]string{
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string(item.UnlabeledEvent.Label.Name),
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},
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map[string]string{metaKeyGithubId: id},
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)
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if err != nil {
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return err
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}
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gi.out <- core.NewImportLabelChange(op.Id())
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return nil
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case "ClosedEvent":
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id := parseId(item.ClosedEvent.Id)
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_, err := b.ResolveOperationWithMetadata(metaKeyGithubId, id)
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if err != cache.ErrNoMatchingOp {
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return err
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}
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if err == nil {
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return nil
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}
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author, err := gi.ensurePerson(repo, item.ClosedEvent.Actor)
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if err != nil {
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return err
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}
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op, err := b.CloseRaw(
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author,
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item.ClosedEvent.CreatedAt.Unix(),
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map[string]string{metaKeyGithubId: id},
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)
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if err != nil {
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return err
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}
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gi.out <- core.NewImportStatusChange(op.Id())
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return nil
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case "ReopenedEvent":
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id := parseId(item.ReopenedEvent.Id)
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_, err := b.ResolveOperationWithMetadata(metaKeyGithubId, id)
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if err != cache.ErrNoMatchingOp {
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return err
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}
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if err == nil {
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return nil
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}
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author, err := gi.ensurePerson(repo, item.ReopenedEvent.Actor)
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if err != nil {
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return err
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}
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op, err := b.OpenRaw(
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author,
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item.ReopenedEvent.CreatedAt.Unix(),
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map[string]string{metaKeyGithubId: id},
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)
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if err != nil {
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return err
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}
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gi.out <- core.NewImportStatusChange(op.Id())
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return nil
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case "RenamedTitleEvent":
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id := parseId(item.RenamedTitleEvent.Id)
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_, err := b.ResolveOperationWithMetadata(metaKeyGithubId, id)
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if err != cache.ErrNoMatchingOp {
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return err
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}
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if err == nil {
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return nil
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}
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author, err := gi.ensurePerson(repo, item.RenamedTitleEvent.Actor)
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if err != nil {
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return err
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}
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op, err := b.SetTitleRaw(
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author,
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item.RenamedTitleEvent.CreatedAt.Unix(),
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string(item.RenamedTitleEvent.CurrentTitle),
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map[string]string{metaKeyGithubId: id},
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)
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if err != nil {
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return err
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}
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gi.out <- core.NewImportTitleEdition(op.Id())
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return nil
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}
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return nil
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}
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func (gi *githubImporter) ensureTimelineComment(repo *cache.RepoCache, b *cache.BugCache, item issueComment, edits []userContentEdit) error {
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// ensure person
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author, err := gi.ensurePerson(repo, item.Author)
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if err != nil {
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return err
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}
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targetOpID, err := b.ResolveOperationWithMetadata(metaKeyGithubId, parseId(item.Id))
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if err != nil && err != cache.ErrNoMatchingOp {
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// real error
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return err
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}
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// if no edits are given we create the comment
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if len(edits) == 0 {
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if err == cache.ErrNoMatchingOp {
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cleanText, err := text.Cleanup(string(item.Body))
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if err != nil {
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return err
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}
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// add comment operation
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op, err := b.AddCommentRaw(
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author,
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item.CreatedAt.Unix(),
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cleanText,
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nil,
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map[string]string{
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metaKeyGithubId: parseId(item.Id),
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metaKeyGithubUrl: parseId(item.Url.String()),
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},
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)
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if err != nil {
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return err
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}
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gi.out <- core.NewImportComment(op.Id())
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return nil
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}
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} else {
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for i, edit := range edits {
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if i == 0 && targetOpID != "" {
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// The first edit in the github result is the comment creation itself, we already have that
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continue
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}
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// ensure editor identity
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editor, err := gi.ensurePerson(repo, edit.Editor)
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if err != nil {
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return err
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}
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// create comment when target is empty
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if targetOpID == "" {
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cleanText, err := text.Cleanup(string(*edit.Diff))
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if err != nil {
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return err
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}
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op, err := b.AddCommentRaw(
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editor,
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edit.CreatedAt.Unix(),
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cleanText,
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nil,
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map[string]string{
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metaKeyGithubId: parseId(item.Id),
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metaKeyGithubUrl: item.Url.String(),
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},
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)
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if err != nil {
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return err
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}
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gi.out <- core.NewImportComment(op.Id())
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// set target for the nexr edit now that the comment is created
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targetOpID = op.Id()
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continue
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}
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err = gi.ensureCommentEdit(repo, b, targetOpID, edit)
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if err != nil {
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return err
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}
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}
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}
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return nil
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}
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func (gi *githubImporter) ensureCommentEdit(repo *cache.RepoCache, b *cache.BugCache, target entity.Id, edit userContentEdit) error {
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_, err := b.ResolveOperationWithMetadata(metaKeyGithubId, parseId(edit.Id))
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if err == nil {
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return nil
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}
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if err != cache.ErrNoMatchingOp {
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// real error
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return err
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}
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editor, err := gi.ensurePerson(repo, edit.Editor)
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if err != nil {
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return err
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}
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switch {
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case edit.DeletedAt != nil:
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// comment deletion, not supported yet
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return nil
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case edit.DeletedAt == nil:
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cleanText, err := text.Cleanup(string(*edit.Diff))
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if err != nil {
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return err
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}
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// comment edition
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op, err := b.EditCommentRaw(
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editor,
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edit.CreatedAt.Unix(),
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target,
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cleanText,
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map[string]string{
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metaKeyGithubId: parseId(edit.Id),
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},
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)
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if err != nil {
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return err
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}
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gi.out <- core.NewImportCommentEdition(op.Id())
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return nil
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}
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return nil
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}
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// ensurePerson create a bug.Person from the Github data
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func (gi *githubImporter) ensurePerson(repo *cache.RepoCache, actor *actor) (*cache.IdentityCache, error) {
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// When a user has been deleted, Github return a null actor, while displaying a profile named "ghost"
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// in it's UI. So we need a special case to get it.
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if actor == nil {
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return gi.getGhost(repo)
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}
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// Look first in the cache
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i, err := repo.ResolveIdentityImmutableMetadata(metaKeyGithubLogin, string(actor.Login))
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if err == nil {
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return i, nil
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}
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if entity.IsErrMultipleMatch(err) {
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return nil, err
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}
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// importing a new identity
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var name string
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var email string
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switch actor.Typename {
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case "User":
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if actor.User.Name != nil {
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name = string(*(actor.User.Name))
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}
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email = string(actor.User.Email)
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case "Organization":
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if actor.Organization.Name != nil {
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name = string(*(actor.Organization.Name))
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}
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if actor.Organization.Email != nil {
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email = string(*(actor.Organization.Email))
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}
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case "Bot":
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}
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// Name is not necessarily set, fallback to login as a name is required in the identity
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if name == "" {
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name = string(actor.Login)
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}
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i, err = repo.NewIdentityRaw(
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name,
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email,
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string(actor.AvatarUrl),
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map[string]string{
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metaKeyGithubLogin: string(actor.Login),
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},
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)
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if err != nil {
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return nil, err
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}
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gi.out <- core.NewImportIdentity(i.Id())
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return i, nil
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}
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func (gi *githubImporter) getGhost(repo *cache.RepoCache) (*cache.IdentityCache, error) {
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// Look first in the cache
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i, err := repo.ResolveIdentityImmutableMetadata(metaKeyGithubLogin, "ghost")
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if err == nil {
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return i, nil
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}
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if entity.IsErrMultipleMatch(err) {
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return nil, err
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}
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var q ghostQuery
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variables := map[string]interface{}{
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"login": githubv4.String("ghost"),
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}
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ctx, cancel := context.WithTimeout(gi.iterator.ctx, defaultTimeout)
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defer cancel()
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err = gi.client.Query(ctx, &q, variables)
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if err != nil {
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return nil, err
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}
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var name string
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if q.User.Name != nil {
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name = string(*q.User.Name)
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}
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return repo.NewIdentityRaw(
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name,
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"",
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|
string(q.User.AvatarUrl),
|
|
map[string]string{
|
|
metaKeyGithubLogin: string(q.User.Login),
|
|
},
|
|
)
|
|
}
|
|
|
|
// parseId convert the unusable githubv4.ID (an interface{}) into a string
|
|
func parseId(id githubv4.ID) string {
|
|
return fmt.Sprintf("%v", id)
|
|
}
|