1package jira
2
3import (
4 "context"
5 "encoding/json"
6 "fmt"
7 "net/http"
8 "sort"
9 "strings"
10 "time"
11
12 "github.com/MichaelMure/git-bug/bridge/core"
13 "github.com/MichaelMure/git-bug/bridge/core/auth"
14 "github.com/MichaelMure/git-bug/bug"
15 "github.com/MichaelMure/git-bug/cache"
16 "github.com/MichaelMure/git-bug/entity"
17 "github.com/MichaelMure/git-bug/util/text"
18)
19
20const (
21 defaultPageSize = 10
22)
23
24// jiraImporter implement the Importer interface
25type jiraImporter struct {
26 conf core.Configuration
27
28 client *Client
29
30 // send only channel
31 out chan<- core.ImportResult
32}
33
34// Init .
35func (ji *jiraImporter) Init(ctx context.Context, repo *cache.RepoCache, conf core.Configuration) error {
36 ji.conf = conf
37
38 var cred auth.Credential
39
40 // Prioritize LoginPassword credentials to avoid a prompt
41 creds, err := auth.List(repo,
42 auth.WithTarget(target),
43 auth.WithMeta(auth.MetaKeyBaseURL, conf[confKeyBaseUrl]),
44 auth.WithKind(auth.KindLoginPassword),
45 )
46 if err != nil {
47 return err
48 }
49 if len(creds) > 0 {
50 cred = creds[0]
51 goto end
52 }
53
54 creds, err = auth.List(repo,
55 auth.WithTarget(target),
56 auth.WithMeta(auth.MetaKeyBaseURL, conf[confKeyBaseUrl]),
57 auth.WithKind(auth.KindLogin),
58 )
59 if err != nil {
60 return err
61 }
62 if len(creds) > 0 {
63 cred = creds[0]
64 }
65
66end:
67 if cred == nil {
68 return fmt.Errorf("no credential for this bridge")
69 }
70
71 // TODO(josh)[da52062]: Validate token and if it is expired then prompt for
72 // credentials and generate a new one
73 ji.client, err = buildClient(ctx, conf[confKeyBaseUrl], conf[confKeyCredentialType], cred)
74 return err
75}
76
77// ImportAll iterate over all the configured repository issues and ensure the
78// creation of the missing issues / timeline items / edits / label events ...
79func (ji *jiraImporter) ImportAll(ctx context.Context, repo *cache.RepoCache, since time.Time) (<-chan core.ImportResult, error) {
80 sinceStr := since.Format("2006-01-02 15:04")
81 project := ji.conf[confKeyProject]
82
83 out := make(chan core.ImportResult)
84 ji.out = out
85
86 go func() {
87 defer close(ji.out)
88
89 message, err := ji.client.Search(
90 fmt.Sprintf("project=%s AND updatedDate>\"%s\"", project, sinceStr), 0, 0)
91 if err != nil {
92 out <- core.NewImportError(err, "")
93 return
94 }
95
96 fmt.Printf("So far so good. Have %d issues to import\n", message.Total)
97
98 jql := fmt.Sprintf("project=%s AND updatedDate>\"%s\"", project, sinceStr)
99 var searchIter *SearchIterator
100 for searchIter =
101 ji.client.IterSearch(jql, defaultPageSize); searchIter.HasNext(); {
102 issue := searchIter.Next()
103 b, err := ji.ensureIssue(repo, *issue)
104 if err != nil {
105 err := fmt.Errorf("issue creation: %v", err)
106 out <- core.NewImportError(err, "")
107 return
108 }
109
110 var commentIter *CommentIterator
111 for commentIter =
112 ji.client.IterComments(issue.ID, defaultPageSize); commentIter.HasNext(); {
113 comment := commentIter.Next()
114 err := ji.ensureComment(repo, b, *comment)
115 if err != nil {
116 out <- core.NewImportError(err, "")
117 }
118 }
119 if commentIter.HasError() {
120 out <- core.NewImportError(commentIter.Err, "")
121 }
122
123 snapshot := b.Snapshot()
124 opIdx := 0
125
126 var changelogIter *ChangeLogIterator
127 for changelogIter =
128 ji.client.IterChangeLog(issue.ID, defaultPageSize); changelogIter.HasNext(); {
129 changelogEntry := changelogIter.Next()
130
131 // Advance the operation iterator up to the first operation which has
132 // an export date not before the changelog entry date. If the changelog
133 // entry was created in response to an exported operation, then this
134 // will be that operation.
135 var exportTime time.Time
136 for ; opIdx < len(snapshot.Operations); opIdx++ {
137 exportTimeStr, hasTime := snapshot.Operations[opIdx].GetMetadata(
138 metaKeyJiraExportTime)
139 if !hasTime {
140 continue
141 }
142 exportTime, err = http.ParseTime(exportTimeStr)
143 if err != nil {
144 continue
145 }
146 if !exportTime.Before(changelogEntry.Created.Time) {
147 break
148 }
149 }
150 if opIdx < len(snapshot.Operations) {
151 err = ji.ensureChange(repo, b, *changelogEntry, snapshot.Operations[opIdx])
152 } else {
153 err = ji.ensureChange(repo, b, *changelogEntry, nil)
154 }
155 if err != nil {
156 out <- core.NewImportError(err, "")
157 }
158
159 }
160 if changelogIter.HasError() {
161 out <- core.NewImportError(changelogIter.Err, "")
162 }
163
164 if !b.NeedCommit() {
165 out <- core.NewImportNothing(b.Id(), "no imported operation")
166 } else if err := b.Commit(); err != nil {
167 err = fmt.Errorf("bug commit: %v", err)
168 out <- core.NewImportError(err, "")
169 return
170 }
171 }
172 if searchIter.HasError() {
173 out <- core.NewImportError(searchIter.Err, "")
174 }
175 }()
176
177 return out, nil
178}
179
180// Create a bug.Person from a JIRA user
181func (ji *jiraImporter) ensurePerson(repo *cache.RepoCache, user User) (*cache.IdentityCache, error) {
182 // Look first in the cache
183 i, err := repo.ResolveIdentityImmutableMetadata(
184 metaKeyJiraUser, string(user.Key))
185 if err == nil {
186 return i, nil
187 }
188 if _, ok := err.(entity.ErrMultipleMatch); ok {
189 return nil, err
190 }
191
192 i, err = repo.NewIdentityRaw(
193 user.DisplayName,
194 user.EmailAddress,
195 user.Key,
196 map[string]string{
197 metaKeyJiraUser: string(user.Key),
198 },
199 )
200
201 if err != nil {
202 return nil, err
203 }
204
205 ji.out <- core.NewImportIdentity(i.Id())
206 return i, nil
207}
208
209// Create a bug.Bug based from a JIRA issue
210func (ji *jiraImporter) ensureIssue(repo *cache.RepoCache, issue Issue) (*cache.BugCache, error) {
211 author, err := ji.ensurePerson(repo, issue.Fields.Creator)
212 if err != nil {
213 return nil, err
214 }
215
216 b, err := repo.ResolveBugCreateMetadata(metaKeyJiraId, issue.ID)
217 if err != nil && err != bug.ErrBugNotExist {
218 return nil, err
219 }
220
221 if err == bug.ErrBugNotExist {
222 cleanText, err := text.Cleanup(string(issue.Fields.Description))
223 if err != nil {
224 return nil, err
225 }
226
227 // NOTE(josh): newlines in titles appears to be rare, but it has been seen
228 // in the wild. It does not appear to be allowed in the JIRA web interface.
229 title := strings.Replace(issue.Fields.Summary, "\n", "", -1)
230 b, _, err = repo.NewBugRaw(
231 author,
232 issue.Fields.Created.Unix(),
233 title,
234 cleanText,
235 nil,
236 map[string]string{
237 core.MetaKeyOrigin: target,
238 metaKeyJiraId: issue.ID,
239 metaKeyJiraKey: issue.Key,
240 metaKeyJiraProject: ji.conf[confKeyProject],
241 })
242 if err != nil {
243 return nil, err
244 }
245
246 ji.out <- core.NewImportBug(b.Id())
247 }
248
249 return b, nil
250}
251
252// Return a unique string derived from a unique jira id and a timestamp
253func getTimeDerivedID(jiraID string, timestamp Time) string {
254 return fmt.Sprintf("%s-%d", jiraID, timestamp.Unix())
255}
256
257// Create a bug.Comment from a JIRA comment
258func (ji *jiraImporter) ensureComment(repo *cache.RepoCache, b *cache.BugCache, item Comment) error {
259 // ensure person
260 author, err := ji.ensurePerson(repo, item.Author)
261 if err != nil {
262 return err
263 }
264
265 targetOpID, err := b.ResolveOperationWithMetadata(
266 metaKeyJiraId, item.ID)
267 if err != nil && err != cache.ErrNoMatchingOp {
268 return err
269 }
270
271 // If the comment is a new comment then create it
272 if targetOpID == "" && err == cache.ErrNoMatchingOp {
273 var cleanText string
274 if item.Updated != item.Created {
275 // We don't know the original text... we only have the updated text.
276 cleanText = ""
277 } else {
278 cleanText, err = text.Cleanup(string(item.Body))
279 if err != nil {
280 return err
281 }
282 }
283
284 // add comment operation
285 op, err := b.AddCommentRaw(
286 author,
287 item.Created.Unix(),
288 cleanText,
289 nil,
290 map[string]string{
291 metaKeyJiraId: item.ID,
292 },
293 )
294 if err != nil {
295 return err
296 }
297
298 ji.out <- core.NewImportComment(op.Id())
299 targetOpID = op.Id()
300 }
301
302 // If there are no updates to this comment, then we are done
303 if item.Updated == item.Created {
304 return nil
305 }
306
307 // If there has been an update to this comment, we try to find it in the
308 // database. We need a unique id so we'll concat the issue id with the update
309 // timestamp. Note that this must be consistent with the exporter during
310 // export of an EditCommentOperation
311 derivedID := getTimeDerivedID(item.ID, item.Updated)
312 _, err = b.ResolveOperationWithMetadata(metaKeyJiraId, derivedID)
313 if err == nil {
314 // Already imported this edition
315 return nil
316 }
317
318 if err != cache.ErrNoMatchingOp {
319 return err
320 }
321
322 // ensure editor identity
323 editor, err := ji.ensurePerson(repo, item.UpdateAuthor)
324 if err != nil {
325 return err
326 }
327
328 // comment edition
329 cleanText, err := text.Cleanup(string(item.Body))
330 if err != nil {
331 return err
332 }
333 op, err := b.EditCommentRaw(
334 editor,
335 item.Updated.Unix(),
336 targetOpID,
337 cleanText,
338 map[string]string{
339 metaKeyJiraId: derivedID,
340 },
341 )
342
343 if err != nil {
344 return err
345 }
346
347 ji.out <- core.NewImportCommentEdition(op.Id())
348
349 return nil
350}
351
352// Return a unique string derived from a unique jira id and an index into the
353// data referred to by that jira id.
354func getIndexDerivedID(jiraID string, idx int) string {
355 return fmt.Sprintf("%s-%d", jiraID, idx)
356}
357
358func labelSetsMatch(jiraSet []string, gitbugSet []bug.Label) bool {
359 if len(jiraSet) != len(gitbugSet) {
360 return false
361 }
362
363 sort.Strings(jiraSet)
364 gitbugStrSet := make([]string, len(gitbugSet))
365 for idx, label := range gitbugSet {
366 gitbugStrSet[idx] = label.String()
367 }
368 sort.Strings(gitbugStrSet)
369
370 for idx, value := range jiraSet {
371 if value != gitbugStrSet[idx] {
372 return false
373 }
374 }
375
376 return true
377}
378
379// Create a bug.Operation (or a series of operations) from a JIRA changelog
380// entry
381func (ji *jiraImporter) ensureChange(repo *cache.RepoCache, b *cache.BugCache, entry ChangeLogEntry, potentialOp bug.Operation) error {
382
383 // If we have an operation which is already mapped to the entire changelog
384 // entry then that means this changelog entry was induced by an export
385 // operation and we've already done the match, so we skip this one
386 _, err := b.ResolveOperationWithMetadata(metaKeyJiraOperationId, entry.ID)
387 if err == nil {
388 return nil
389 } else if err != cache.ErrNoMatchingOp {
390 return err
391 }
392
393 // In general, multiple fields may be changed in changelog entry on
394 // JIRA. For example, when an issue is closed both its "status" and its
395 // "resolution" are updated within a single changelog entry.
396 // I don't thing git-bug has a single operation to modify an arbitrary
397 // number of fields in one go, so we break up the single JIRA changelog
398 // entry into individual field updates.
399 author, err := ji.ensurePerson(repo, entry.Author)
400 if err != nil {
401 return err
402 }
403
404 if len(entry.Items) < 1 {
405 return fmt.Errorf("Received changelog entry with no item! (%s)", entry.ID)
406 }
407
408 statusMap, err := getStatusMapReverse(ji.conf)
409 if err != nil {
410 return err
411 }
412
413 // NOTE(josh): first do an initial scan and see if any of the changed items
414 // matches the current potential operation. If it does, then we know that this
415 // entire changelog entry was created in response to that git-bug operation.
416 // So we associate the operation with the entire changelog, and not a specific
417 // entry.
418 for _, item := range entry.Items {
419 switch item.Field {
420 case "labels":
421 fromLabels := removeEmpty(strings.Split(item.FromString, " "))
422 toLabels := removeEmpty(strings.Split(item.ToString, " "))
423 removedLabels, addedLabels, _ := setSymmetricDifference(fromLabels, toLabels)
424
425 opr, isRightType := potentialOp.(*bug.LabelChangeOperation)
426 if isRightType && labelSetsMatch(addedLabels, opr.Added) && labelSetsMatch(removedLabels, opr.Removed) {
427 _, err := b.SetMetadata(opr.Id(), map[string]string{
428 metaKeyJiraOperationId: entry.ID,
429 })
430 if err != nil {
431 return err
432 }
433 return nil
434 }
435
436 case "status":
437 opr, isRightType := potentialOp.(*bug.SetStatusOperation)
438 if isRightType && statusMap[opr.Status.String()] == item.To {
439 _, err := b.SetMetadata(opr.Id(), map[string]string{
440 metaKeyJiraOperationId: entry.ID,
441 })
442 if err != nil {
443 return err
444 }
445 return nil
446 }
447
448 case "summary":
449 // NOTE(josh): JIRA calls it "summary", which sounds more like the body
450 // text, but it's the title
451 opr, isRightType := potentialOp.(*bug.SetTitleOperation)
452 if isRightType && opr.Title == item.To {
453 _, err := b.SetMetadata(opr.Id(), map[string]string{
454 metaKeyJiraOperationId: entry.ID,
455 })
456 if err != nil {
457 return err
458 }
459 return nil
460 }
461
462 case "description":
463 // NOTE(josh): JIRA calls it "description", which sounds more like the
464 // title but it's actually the body
465 opr, isRightType := potentialOp.(*bug.EditCommentOperation)
466 if isRightType &&
467 opr.Target == b.Snapshot().Operations[0].Id() &&
468 opr.Message == item.ToString {
469 _, err := b.SetMetadata(opr.Id(), map[string]string{
470 metaKeyJiraOperationId: entry.ID,
471 })
472 if err != nil {
473 return err
474 }
475 return nil
476 }
477 }
478 }
479
480 // Since we didn't match the changelog entry to a known export operation,
481 // then this is a changelog entry that we should import. We import each
482 // changelog entry item as a separate git-bug operation.
483 for idx, item := range entry.Items {
484 derivedID := getIndexDerivedID(entry.ID, idx)
485 _, err := b.ResolveOperationWithMetadata(metaKeyJiraOperationId, derivedID)
486 if err == nil {
487 continue
488 }
489 if err != cache.ErrNoMatchingOp {
490 return err
491 }
492
493 switch item.Field {
494 case "labels":
495 fromLabels := removeEmpty(strings.Split(item.FromString, " "))
496 toLabels := removeEmpty(strings.Split(item.ToString, " "))
497 removedLabels, addedLabels, _ := setSymmetricDifference(fromLabels, toLabels)
498
499 op, err := b.ForceChangeLabelsRaw(
500 author,
501 entry.Created.Unix(),
502 addedLabels,
503 removedLabels,
504 map[string]string{
505 metaKeyJiraId: entry.ID,
506 metaKeyJiraOperationId: derivedID,
507 },
508 )
509 if err != nil {
510 return err
511 }
512
513 ji.out <- core.NewImportLabelChange(op.Id())
514
515 case "status":
516 statusStr, hasMap := statusMap[item.To]
517 if hasMap {
518 switch statusStr {
519 case bug.OpenStatus.String():
520 op, err := b.OpenRaw(
521 author,
522 entry.Created.Unix(),
523 map[string]string{
524 metaKeyJiraId: entry.ID,
525 metaKeyJiraOperationId: derivedID,
526 },
527 )
528 if err != nil {
529 return err
530 }
531 ji.out <- core.NewImportStatusChange(op.Id())
532
533 case bug.ClosedStatus.String():
534 op, err := b.CloseRaw(
535 author,
536 entry.Created.Unix(),
537 map[string]string{
538 metaKeyJiraId: entry.ID,
539 metaKeyJiraOperationId: derivedID,
540 },
541 )
542 if err != nil {
543 return err
544 }
545 ji.out <- core.NewImportStatusChange(op.Id())
546 }
547 } else {
548 ji.out <- core.NewImportError(
549 fmt.Errorf(
550 "No git-bug status mapped for jira status %s (%s)",
551 item.ToString, item.To), "")
552 }
553
554 case "summary":
555 // NOTE(josh): JIRA calls it "summary", which sounds more like the body
556 // text, but it's the title
557 op, err := b.SetTitleRaw(
558 author,
559 entry.Created.Unix(),
560 string(item.ToString),
561 map[string]string{
562 metaKeyJiraId: entry.ID,
563 metaKeyJiraOperationId: derivedID,
564 },
565 )
566 if err != nil {
567 return err
568 }
569
570 ji.out <- core.NewImportTitleEdition(op.Id())
571
572 case "description":
573 // NOTE(josh): JIRA calls it "description", which sounds more like the
574 // title but it's actually the body
575 op, err := b.EditCreateCommentRaw(
576 author,
577 entry.Created.Unix(),
578 string(item.ToString),
579 map[string]string{
580 metaKeyJiraId: entry.ID,
581 metaKeyJiraOperationId: derivedID,
582 },
583 )
584 if err != nil {
585 return err
586 }
587
588 ji.out <- core.NewImportCommentEdition(op.Id())
589
590 default:
591 ji.out <- core.NewImportWarning(
592 fmt.Errorf(
593 "Unhandled changelog event %s", item.Field), "")
594 }
595
596 // Other Examples:
597 // "assignee" (jira)
598 // "Attachment" (jira)
599 // "Epic Link" (custom)
600 // "Rank" (custom)
601 // "resolution" (jira)
602 // "Sprint" (custom)
603 }
604 return nil
605}
606
607func getStatusMap(conf core.Configuration) (map[string]string, error) {
608 mapStr, hasConf := conf[confKeyIDMap]
609 if !hasConf {
610 return map[string]string{
611 bug.OpenStatus.String(): "1",
612 bug.ClosedStatus.String(): "6",
613 }, nil
614 }
615
616 statusMap := make(map[string]string)
617 err := json.Unmarshal([]byte(mapStr), &statusMap)
618 return statusMap, err
619}
620
621func getStatusMapReverse(conf core.Configuration) (map[string]string, error) {
622 fwdMap, err := getStatusMap(conf)
623 if err != nil {
624 return fwdMap, err
625 }
626
627 outMap := map[string]string{}
628 for key, val := range fwdMap {
629 outMap[val] = key
630 }
631
632 mapStr, hasConf := conf[confKeyIDRevMap]
633 if !hasConf {
634 return outMap, nil
635 }
636
637 revMap := make(map[string]string)
638 err = json.Unmarshal([]byte(mapStr), &revMap)
639 for key, val := range revMap {
640 outMap[key] = val
641 }
642
643 return outMap, err
644}
645
646func removeEmpty(values []string) []string {
647 output := make([]string, 0, len(values))
648 for _, value := range values {
649 value = strings.TrimSpace(value)
650 if value != "" {
651 output = append(output, value)
652 }
653 }
654 return output
655}