mirror of
https://github.com/MichaelMure/git-bug.git
synced 2024-12-15 10:12:06 +03:00
373 lines
8.2 KiB
Go
373 lines
8.2 KiB
Go
package gitlab
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import (
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"context"
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"fmt"
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"strconv"
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"time"
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"github.com/xanzy/go-gitlab"
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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/cache"
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"github.com/MichaelMure/git-bug/entities/bug"
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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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// gitlabImporter implement the Importer interface
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type gitlabImporter struct {
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conf core.Configuration
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// default client
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client *gitlab.Client
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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 *gitlabImporter) Init(_ context.Context, repo *cache.RepoCache, conf core.Configuration) error {
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gi.conf = conf
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creds, err := auth.List(repo,
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auth.WithTarget(target),
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auth.WithKind(auth.KindToken),
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auth.WithMeta(auth.MetaKeyBaseURL, conf[confKeyGitlabBaseUrl]),
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auth.WithMeta(auth.MetaKeyLogin, conf[confKeyDefaultLogin]),
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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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if len(creds) == 0 {
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return ErrMissingIdentityToken
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}
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gi.client, err = buildClient(conf[confKeyGitlabBaseUrl], creds[0].(*auth.Token))
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if err != nil {
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return err
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}
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return nil
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}
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// ImportAll iterate over all the configured repository issues (notes) and ensure the creation
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// of the missing issues / comments / label events / title changes ...
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func (gi *gitlabImporter) ImportAll(ctx context.Context, repo *cache.RepoCache, since time.Time) (<-chan core.ImportResult, error) {
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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(out)
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for issue := range Issues(ctx, gi.client, gi.conf[confKeyProjectID], since) {
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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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issueEvents := SortedEvents(
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Notes(ctx, gi.client, issue),
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LabelEvents(ctx, gi.client, issue),
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StateEvents(ctx, gi.client, issue),
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)
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for e := range issueEvents {
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if e, ok := e.(ErrorEvent); ok {
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out <- core.NewImportError(e.Err, "")
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continue
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}
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if err := gi.ensureIssueEvent(repo, b, issue, e); err != nil {
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err := fmt.Errorf("issue event creation: %v", err)
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out <- core.NewImportError(err, entity.Id(e.ID()))
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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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}()
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return out, nil
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}
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func (gi *gitlabImporter) ensureIssue(repo *cache.RepoCache, issue *gitlab.Issue) (*cache.BugCache, error) {
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// ensure issue author
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author, err := gi.ensurePerson(repo, issue.Author.ID)
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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.ResolveBugMatcher(func(excerpt *cache.BugExcerpt) bool {
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return excerpt.CreateMetadata[core.MetaKeyOrigin] == target &&
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excerpt.CreateMetadata[metaKeyGitlabId] == fmt.Sprintf("%d", issue.IID) &&
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excerpt.CreateMetadata[metaKeyGitlabBaseUrl] == gi.conf[confKeyGitlabBaseUrl] &&
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excerpt.CreateMetadata[metaKeyGitlabProject] == gi.conf[confKeyProjectID]
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})
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if err == nil {
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return b, nil
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}
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if err != bug.ErrBugNotExist {
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return nil, err
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}
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// if bug was never imported, 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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text.CleanupOneLine(issue.Title),
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text.Cleanup(issue.Description),
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nil,
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map[string]string{
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core.MetaKeyOrigin: target,
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metaKeyGitlabId: fmt.Sprintf("%d", issue.IID),
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metaKeyGitlabUrl: issue.WebURL,
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metaKeyGitlabProject: gi.conf[confKeyProjectID],
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metaKeyGitlabBaseUrl: gi.conf[confKeyGitlabBaseUrl],
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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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return b, nil
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}
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func (gi *gitlabImporter) ensureIssueEvent(repo *cache.RepoCache, b *cache.BugCache, issue *gitlab.Issue, event Event) error {
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id, errResolve := b.ResolveOperationWithMetadata(metaKeyGitlabId, event.ID())
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if errResolve != nil && errResolve != cache.ErrNoMatchingOp {
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return errResolve
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}
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// ensure issue author
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author, err := gi.ensurePerson(repo, event.UserID())
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if err != nil {
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return err
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}
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switch event.Kind() {
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case EventClosed:
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if errResolve == nil {
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return nil
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}
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op, err := b.CloseRaw(
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author,
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event.CreatedAt().Unix(),
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map[string]string{
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metaKeyGitlabId: event.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.NewImportStatusChange(op.Id())
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case EventReopened:
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if errResolve == nil {
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return nil
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}
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op, err := b.OpenRaw(
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author,
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event.CreatedAt().Unix(),
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map[string]string{
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metaKeyGitlabId: event.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.NewImportStatusChange(op.Id())
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case EventDescriptionChanged:
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firstComment := b.Snapshot().Comments[0]
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// since gitlab doesn't provide the issue history
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// we should check for "changed the description" notes and compare issue texts
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// TODO: Check only one time and ignore next 'description change' within one issue
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cleanedDesc := text.Cleanup(issue.Description)
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if errResolve == cache.ErrNoMatchingOp && cleanedDesc != firstComment.Message {
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// comment edition
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op, err := b.EditCommentRaw(
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author,
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event.(NoteEvent).UpdatedAt.Unix(),
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firstComment.CombinedId(),
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cleanedDesc,
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map[string]string{
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metaKeyGitlabId: event.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.NewImportTitleEdition(op.Id())
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}
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case EventComment:
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cleanText := text.Cleanup(event.(NoteEvent).Body)
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// if we didn't import the comment
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if errResolve == cache.ErrNoMatchingOp {
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// add comment operation
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op, err := b.AddCommentRaw(
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author,
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event.CreatedAt().Unix(),
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cleanText,
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nil,
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map[string]string{
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metaKeyGitlabId: event.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.NewImportComment(op.Id())
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return nil
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}
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// if comment was already exported
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// search for last comment update
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comment, err := b.Snapshot().SearchCommentByOpId(id)
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if err != nil {
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return err
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}
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// compare local bug comment with the new event body
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if comment.Message != cleanText {
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// comment edition
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op, err := b.EditCommentRaw(
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author,
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event.(NoteEvent).UpdatedAt.Unix(),
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comment.CombinedId(),
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cleanText,
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nil,
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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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}
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return nil
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case EventTitleChanged:
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// title change events are given new notes
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if errResolve == nil {
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return nil
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}
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op, err := b.SetTitleRaw(
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author,
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event.CreatedAt().Unix(),
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event.(NoteEvent).Title(),
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map[string]string{
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metaKeyGitlabId: event.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.NewImportTitleEdition(op.Id())
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case EventAddLabel:
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_, err = b.ForceChangeLabelsRaw(
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author,
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event.CreatedAt().Unix(),
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[]string{event.(LabelEvent).Label.Name},
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nil,
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map[string]string{
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metaKeyGitlabId: event.ID(),
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},
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)
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return err
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case EventRemoveLabel:
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_, err = b.ForceChangeLabelsRaw(
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author,
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event.CreatedAt().Unix(),
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nil,
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[]string{event.(LabelEvent).Label.Name},
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map[string]string{
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metaKeyGitlabId: event.ID(),
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},
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)
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return err
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case EventAssigned,
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EventUnassigned,
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EventChangedMilestone,
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EventRemovedMilestone,
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EventChangedDuedate,
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EventRemovedDuedate,
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EventLocked,
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EventUnlocked,
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EventMentionedInIssue,
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EventMentionedInMergeRequest:
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return nil
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default:
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return fmt.Errorf("unexpected event")
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}
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return nil
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}
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func (gi *gitlabImporter) ensurePerson(repo *cache.RepoCache, id int) (*cache.IdentityCache, error) {
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// Look first in the cache
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i, err := repo.ResolveIdentityImmutableMetadata(metaKeyGitlabId, strconv.Itoa(id))
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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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user, _, err := gi.client.Users.GetUser(id, gitlab.GetUsersOptions{})
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if err != nil {
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return nil, err
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}
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i, err = repo.NewIdentityRaw(
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user.Name,
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user.PublicEmail,
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user.Username,
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user.AvatarURL,
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nil,
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map[string]string{
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// because Gitlab
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metaKeyGitlabId: strconv.Itoa(id),
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metaKeyGitlabLogin: user.Username,
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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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