internal/control/issue.go

dca7370cd168dc7cf1f262252ab9548f66cc7dcc
gitbay/internal/control/issue.go history · blame · raw

583 lines · 18715 bytes

  1package control
  2
  3import (
  4	"errors"
  5	"fmt"
  6	"io"
  7	"strconv"
  8	"strings"
  9
 10	"gitbay.org/gitbay/internal/policy"
 11	"gitbay.org/gitbay/internal/protocol"
 12	"gitbay.org/gitbay/internal/store"
 13)
 14
 15const maxBodyBytes = 64 << 10
 16
 17func init() {
 18	register(Command{Path: []string{"issue", "create"},
 19		Summary:    "open an issue",
 20		Usage:      "issue create <owner/name> --title <t> [--body <b> | --file -] [--format md|org]",
 21		ReadsStdin: true, Run: runIssueCreate})
 22	register(Command{Path: []string{"issue", "list"},
 23		Summary: "list issues",
 24		Usage:   "issue list <owner/name> [--state open|closed|all] [--limit <n>] [--cursor <c>]", ReadOnly: true, Run: runIssueList})
 25	register(Command{Path: []string{"issue", "show"},
 26		Summary: "show an issue with comments",
 27		Usage:   "issue show <owner/name> <n>", ReadOnly: true, Run: runIssueShow})
 28	register(Command{Path: []string{"issue", "edit"},
 29		Summary:    "edit title or body",
 30		Usage:      "issue edit <owner/name> <n> [--title <t>] [--body <b> | --file -] [--format md|org]",
 31		ReadsStdin: true, Run: runIssueEdit})
 32	register(Command{Path: []string{"issue", "comment"},
 33		Summary:    "comment",
 34		Usage:      "issue comment <owner/name> <n> [--message <m> | --file -] [--format md|org]",
 35		ReadsStdin: true, Run: runIssueComment})
 36	register(Command{Path: []string{"issue", "close"},
 37		Summary: "close an issue",
 38		Usage:   "issue close <owner/name> <n>", Run: runIssueClose})
 39	register(Command{Path: []string{"issue", "reopen"},
 40		Summary: "reopen an issue",
 41		Usage:   "issue reopen <owner/name> <n>", Run: runIssueReopen})
 42	register(Command{Path: []string{"issue", "label"},
 43		Summary: "labels",
 44		Usage:   "issue label <owner/name> <n> [--add <l>]... [--remove <l>]...", Run: runIssueLabel})
 45	register(Command{Path: []string{"issue", "assign"},
 46		Summary: "assignees",
 47		Usage:   "issue assign <owner/name> <n> [--add <user>]... [--remove <user>]...", Run: runIssueAssign})
 48}
 49
 50// issueArgs parses "<owner/name> <n>" plus flags handled by the caller.
 51func issueRef(c *Ctx, args []string, perm func(store.User, store.Repo, string) bool) (store.Repo, store.Issue, int) {
 52	if len(args) < 2 {
 53		return store.Repo{}, store.Issue{}, c.fail(protocol.ExitUsage, "expected <owner/name> <number>")
 54	}
 55	repo, code := resolveRepo(c, args[0], perm)
 56	if code >= 0 {
 57		return repo, store.Issue{}, code
 58	}
 59	n, err := strconv.ParseInt(args[1], 10, 64)
 60	if err != nil {
 61		return repo, store.Issue{}, c.fail(protocol.ExitUsage, "bad issue number %q", args[1])
 62	}
 63	issue, err := c.Store.IssueByNumber(repo.ID, n)
 64	if errors.Is(err, store.ErrNotFound) {
 65		return repo, issue, c.fail(protocol.ExitNotFound, "issue #%d not found in %s", n, repo.Path())
 66	}
 67	if err != nil {
 68		return repo, issue, c.fail(protocol.ExitFailure, "%v", err)
 69	}
 70	return repo, issue, -1
 71}
 72
 73// bodyFrom resolves --body/--message inline text or --file - (stdin).
 74func bodyFrom(c *Ctx, inline, file string) (string, error) {
 75	if inline != "" && file != "" {
 76		return "", errors.New("give either an inline message or --file -, not both")
 77	}
 78	if file != "" {
 79		if file != "-" {
 80			return "", errors.New("--file only supports - (stdin) over ssh")
 81		}
 82		raw, err := io.ReadAll(io.LimitReader(c.Stdin, maxBodyBytes))
 83		return string(raw), err
 84	}
 85	return inline, nil
 86}
 87
 88// markupFormat normalizes a --format value. Empty means the caller did not ask,
 89// which the caller turns into "md" on create or "unchanged" on edit.
 90func markupFormat(v string) (string, error) {
 91	switch strings.ToLower(strings.TrimSpace(v)) {
 92	case "":
 93		return "", nil
 94	case "md", "markdown":
 95		return "md", nil
 96	case "org", "org-mode":
 97		return "org", nil
 98	}
 99	return "", fmt.Errorf("unknown --format %q (want md or org)", v)
100}
101
102type issueOut struct {
103	Number     int64    `json:"number"`
104	Title      string   `json:"title"`
105	State      string   `json:"state"`
106	Author     string   `json:"author"`
107	Milestone  string   `json:"milestone,omitempty"`
108	Labels     []string `json:"labels,omitempty"`
109	Assignees  []string `json:"assignees,omitempty"`
110	Body       string   `json:"body,omitempty"`
111	BodyFormat string   `json:"body_format,omitempty"`
112	CreatedAt  string   `json:"created_at"`
113}
114
115func issueToOut(i store.Issue, withBody bool) issueOut {
116	o := issueOut{Number: i.Number, Title: i.Title, State: i.State, Author: i.Author,
117		Milestone: i.Milestone, Labels: i.Labels, Assignees: i.Assignees, CreatedAt: i.CreatedAt}
118	if withBody {
119		o.Body = i.Body
120		o.BodyFormat = i.BodyFormat
121	}
122	return o
123}
124
125func runIssueCreate(c *Ctx, args []string) int {
126	var path, title, body, file, format string
127	for i := 0; i < len(args); i++ {
128		switch args[i] {
129		case "--format":
130			if i+1 >= len(args) {
131				return c.fail(protocol.ExitUsage, "--format requires a value")
132			}
133			format = args[i+1]
134			i++
135		case "--title":
136			if i+1 >= len(args) {
137				return c.fail(protocol.ExitUsage, "--title requires a value")
138			}
139			title = args[i+1]
140			i++
141		case "--body":
142			if i+1 >= len(args) {
143				return c.fail(protocol.ExitUsage, "--body requires a value")
144			}
145			body = args[i+1]
146			i++
147		case "--file":
148			if i+1 >= len(args) {
149				return c.fail(protocol.ExitUsage, "--file requires a value")
150			}
151			file = args[i+1]
152			i++
153		default:
154			if path != "" {
155				return c.fail(protocol.ExitUsage, "unexpected argument %q", args[i])
156			}
157			path = args[i]
158		}
159	}
160	if path == "" || title == "" {
161		return c.fail(protocol.ExitUsage, "usage: issue create <owner/name> --title <t> [--body <b> | --file -] [--format md|org]")
162	}
163	fmtName, err := markupFormat(format)
164	if err != nil {
165		return c.fail(protocol.ExitUsage, "%v", err)
166	}
167	if fmtName == "" {
168		fmtName = "md"
169	}
170	// Anyone who can read the repo can file an issue.
171	repo, code := resolveRepo(c, path, policy.CanRead)
172	if code >= 0 {
173		return code
174	}
175	if code := refuseArchived(c, repo); code >= 0 {
176		return code
177	}
178	b, err := bodyFrom(c, body, file)
179	if err != nil {
180		return c.fail(protocol.ExitUsage, "%v", err)
181	}
182	n, err := c.Store.CreateIssue(repo.ID, c.User.ID, title, b, fmtName)
183	if err != nil {
184		return c.fail(protocol.ExitFailure, "%v", err)
185	}
186	c.Store.RecordEvent(repo.ID, c.User.ID, "issue.created", fmt.Sprintf(`{"number":%d}`, n))
187	if targets, err := c.Store.RepoNotifyTargets(repo); err == nil {
188		notifyUsers(c, targets, issueSubject(repo, n, title),
189			notifyBody(c, fmt.Sprintf("opened issue #%d", n), b, fmt.Sprintf("%s/issues/%d", repo.Path(), n)))
190	}
191	return c.emit(map[string]any{"number": n}, func(w io.Writer) {
192		fmt.Fprintf(w, "created %s#%d\n", repo.Path(), n)
193	})
194}
195
196func runIssueList(c *Ctx, args []string) int {
197	args, p, code := parsePageFlags(c, args, "issue", true)
198	if code >= 0 {
199		return code
200	}
201	state := "open"
202	var path string
203	for i := 0; i < len(args); i++ {
204		switch args[i] {
205		case "--state":
206			if i+1 >= len(args) {
207				return c.fail(protocol.ExitUsage, "--state requires open|closed|all")
208			}
209			state = args[i+1]
210			i++
211		default:
212			if path != "" {
213				return c.fail(protocol.ExitUsage, "unexpected argument %q", args[i])
214			}
215			path = args[i]
216		}
217	}
218	if path == "" || (state != "open" && state != "closed" && state != "all") {
219		return c.fail(protocol.ExitUsage, "usage: issue list <owner/name> [--state open|closed|all] [--limit <n>] [--cursor <c>]")
220	}
221	repo, code := resolveRepo(c, path, policy.CanRead)
222	if code >= 0 {
223		return code
224	}
225	issues, err := c.Store.ListIssues(repo.ID, state, p.queryLimit(), p.keyInt())
226	if err != nil {
227		return c.fail(protocol.ExitFailure, "%v", err)
228	}
229	issues, next := trimPage(p, issues, "issue", func(i store.Issue) string {
230		return strconv.FormatInt(i.Number, 10)
231	})
232	var ds []issueOut
233	for _, i := range issues {
234		ds = append(ds, issueToOut(i, false))
235	}
236	return c.emitPage(p, ds, next, func(w io.Writer) {
237		for _, d := range ds {
238			fmt.Fprintf(w, "#%d\t%s\t%s\t%s\n", d.Number, d.State, d.Title, d.Author)
239		}
240	})
241}
242
243func runIssueShow(c *Ctx, args []string) int {
244	repo, issue, code := issueRef(c, args, policy.CanRead)
245	if code >= 0 {
246		return code
247	}
248	if len(args) != 2 {
249		return c.fail(protocol.ExitUsage, "usage: issue show <owner/name> <n>")
250	}
251	comments, err := c.Store.ListIssueComments(issue.ID)
252	if err != nil {
253		return c.fail(protocol.ExitFailure, "%v", err)
254	}
255	type commentOut struct {
256		Author     string `json:"author"`
257		Body       string `json:"body"`
258		BodyFormat string `json:"body_format,omitempty"`
259		CreatedAt  string `json:"created_at"`
260	}
261	var cs []commentOut
262	for _, cm := range comments {
263		cs = append(cs, commentOut{cm.Author, cm.Body, cm.BodyFormat, cm.CreatedAt})
264	}
265	d := struct {
266		issueOut
267		Comments []commentOut `json:"comments,omitempty"`
268	}{issueToOut(issue, true), cs}
269	_ = repo
270	return c.emit(d, func(w io.Writer) {
271		fmt.Fprintf(w, "#%d %s [%s] by %s\n", d.Number, d.Title, d.State, d.Author)
272		if len(d.Labels) > 0 {
273			fmt.Fprintf(w, "labels: %s\n", strings.Join(d.Labels, ", "))
274		}
275		if len(d.Assignees) > 0 {
276			fmt.Fprintf(w, "assignees: %s\n", strings.Join(d.Assignees, ", "))
277		}
278		if d.Body != "" {
279			fmt.Fprintf(w, "\n%s\n", d.Body)
280		}
281		for _, cm := range cs {
282			fmt.Fprintf(w, "\n--- %s at %s\n%s\n", cm.Author, cm.CreatedAt, cm.Body)
283		}
284	})
285}
286
287func runIssueComment(c *Ctx, args []string) int {
288	var rest []string
289	var message, file, format string
290	for i := 0; i < len(args); i++ {
291		switch args[i] {
292		case "--format":
293			if i+1 >= len(args) {
294				return c.fail(protocol.ExitUsage, "--format requires a value")
295			}
296			format = args[i+1]
297			i++
298		case "--message":
299			if i+1 >= len(args) {
300				return c.fail(protocol.ExitUsage, "--message requires a value")
301			}
302			message = args[i+1]
303			i++
304		case "--file":
305			if i+1 >= len(args) {
306				return c.fail(protocol.ExitUsage, "--file requires a value")
307			}
308			file = args[i+1]
309			i++
310		default:
311			rest = append(rest, args[i])
312		}
313	}
314	fmtName, err := markupFormat(format)
315	if err != nil {
316		return c.fail(protocol.ExitUsage, "%v", err)
317	}
318	if fmtName == "" {
319		fmtName = "md"
320	}
321	repo, issue, code := issueRef(c, rest, policy.CanRead)
322	if code >= 0 {
323		return code
324	}
325	if code := refuseArchived(c, repo); code >= 0 {
326		return code
327	}
328	body, err := bodyFrom(c, message, file)
329	if err != nil {
330		return c.fail(protocol.ExitUsage, "%v", err)
331	}
332	if strings.TrimSpace(body) == "" {
333		return c.fail(protocol.ExitUsage, "empty comment; use --message or --file -")
334	}
335	if err := c.Store.AddIssueComment(issue.ID, c.User.ID, body, fmtName); err != nil {
336		return c.fail(protocol.ExitFailure, "%v", err)
337	}
338	c.Store.RecordEvent(repo.ID, c.User.ID, "issue.commented", fmt.Sprintf(`{"number":%d}`, issue.Number))
339	if parts, err := c.Store.IssueParticipants(issue.ID); err == nil {
340		notifyUsers(c, parts, issueSubject(repo, issue.Number, issue.Title),
341			notifyBody(c, fmt.Sprintf("commented on #%d", issue.Number), body, fmt.Sprintf("%s/issues/%d", repo.Path(), issue.Number)))
342	}
343	return c.emit(map[string]any{"number": issue.Number}, func(w io.Writer) {
344		fmt.Fprintf(w, "commented on %s#%d\n", repo.Path(), issue.Number)
345	})
346}
347
348func setIssueState(c *Ctx, args []string, state string) int {
349	// Author may close/reopen their own issue; otherwise write access.
350	repo, issue, code := issueRef(c, args, policy.CanRead)
351	if code >= 0 {
352		return code
353	}
354	if code := refuseArchived(c, repo); code >= 0 {
355		return code
356	}
357	if len(args) != 2 {
358		return c.fail(protocol.ExitUsage, "usage: issue %s <owner/name> <n>", state)
359	}
360	grant, err := c.Store.AccessRole(repo.ID, c.User.ID)
361	if err != nil {
362		return c.fail(protocol.ExitFailure, "%v", err)
363	}
364	if issue.Author != c.User.Username && !policy.CanWrite(c.User, repo, grant) {
365		return c.fail(protocol.ExitDenied, "only the author or users with write access can %s this issue",
366			map[string]string{"open": "reopen", "closed": "close"}[state])
367	}
368	if issue.State == state {
369		return c.fail(protocol.ExitUsage, "issue #%d is already %s", issue.Number, state)
370	}
371	if err := c.Store.SetIssueState(issue.ID, state); err != nil {
372		return c.fail(protocol.ExitFailure, "%v", err)
373	}
374	c.Store.RecordEvent(repo.ID, c.User.ID, "issue."+state, fmt.Sprintf(`{"number":%d}`, issue.Number))
375	if parts, err := c.Store.IssueParticipants(issue.ID); err == nil {
376		verb := map[string]string{"open": "reopened", "closed": "closed"}[state]
377		notifyUsers(c, parts, issueSubject(repo, issue.Number, issue.Title),
378			notifyBody(c, fmt.Sprintf("%s #%d", verb, issue.Number), "", fmt.Sprintf("%s/issues/%d", repo.Path(), issue.Number)))
379	}
380	return c.emit(map[string]any{"number": issue.Number, "state": state}, func(w io.Writer) {
381		fmt.Fprintf(w, "%s#%d is now %s\n", repo.Path(), issue.Number, state)
382	})
383}
384
385// editText parses --title/--body/--file -/--format and authorizes: author or
386// write. A nil format means the stored markup format stays as it is.
387func editText(c *Ctx, args []string, kind string) (rest []string, title, body, format *string, code int) {
388	var titleV, bodyV, file, formatV string
389	haveTitle, haveBody := false, false
390	for i := 0; i < len(args); i++ {
391		switch args[i] {
392		case "--title", "--body", "--file", "--format":
393			if i+1 >= len(args) {
394				return nil, nil, nil, nil, c.fail(protocol.ExitUsage, "%s requires a value", args[i])
395			}
396			switch args[i] {
397			case "--title":
398				titleV, haveTitle = args[i+1], true
399			case "--body":
400				bodyV, haveBody = args[i+1], true
401			case "--file":
402				file = args[i+1]
403			case "--format":
404				formatV = args[i+1]
405			}
406			i++
407		default:
408			rest = append(rest, args[i])
409		}
410	}
411	if file != "" {
412		b, err := bodyFrom(c, "", file)
413		if err != nil {
414			return nil, nil, nil, nil, c.fail(protocol.ExitUsage, "%v", err)
415		}
416		bodyV, haveBody = b, true
417	}
418	fmtName, err := markupFormat(formatV)
419	if err != nil {
420		return nil, nil, nil, nil, c.fail(protocol.ExitUsage, "%v", err)
421	}
422	if !haveTitle && !haveBody && fmtName == "" {
423		return nil, nil, nil, nil, c.fail(protocol.ExitUsage, "usage: %s edit <owner/name> <n> [--title <t>] [--body <b> | --file -] [--format md|org]", kind)
424	}
425	if haveTitle {
426		if strings.TrimSpace(titleV) == "" {
427			return nil, nil, nil, nil, c.fail(protocol.ExitUsage, "--title must not be empty")
428		}
429		title = &titleV
430	}
431	if haveBody {
432		body = &bodyV
433	}
434	if fmtName != "" {
435		format = &fmtName
436	}
437	return rest, title, body, format, -1
438}
439
440func runIssueEdit(c *Ctx, args []string) int {
441	rest, title, body, format, code := editText(c, args, "issue")
442	if code >= 0 {
443		return code
444	}
445	repo, issue, code := issueRef(c, rest, policy.CanRead)
446	if code >= 0 {
447		return code
448	}
449	if code := refuseArchived(c, repo); code >= 0 {
450		return code
451	}
452	grant, err := c.Store.AccessRole(repo.ID, c.User.ID)
453	if err != nil {
454		return c.fail(protocol.ExitFailure, "%v", err)
455	}
456	if issue.Author != c.User.Username && !policy.CanWrite(c.User, repo, grant) {
457		return c.fail(protocol.ExitDenied, "only the author or users with write access can edit this issue")
458	}
459	if err := c.Store.UpdateIssueText(issue.ID, title, body, format); err != nil {
460		return c.fail(protocol.ExitFailure, "%v", err)
461	}
462	return c.emit(map[string]any{"number": issue.Number}, func(w io.Writer) {
463		fmt.Fprintf(w, "edited %s#%d\n", repo.Path(), issue.Number)
464	})
465}
466
467func runIssueClose(c *Ctx, args []string) int  { return setIssueState(c, args, "closed") }
468func runIssueReopen(c *Ctx, args []string) int { return setIssueState(c, args, "open") }
469
470// addRemoveFlags parses repeated --add/--remove flags.
471func addRemoveFlags(args []string) (rest, adds, removes []string, err error) {
472	for i := 0; i < len(args); i++ {
473		switch args[i] {
474		case "--add":
475			if i+1 >= len(args) {
476				return nil, nil, nil, errors.New("--add requires a value")
477			}
478			adds = append(adds, args[i+1])
479			i++
480		case "--remove":
481			if i+1 >= len(args) {
482				return nil, nil, nil, errors.New("--remove requires a value")
483			}
484			removes = append(removes, args[i+1])
485			i++
486		default:
487			rest = append(rest, args[i])
488		}
489	}
490	return rest, adds, removes, nil
491}
492
493func runIssueLabel(c *Ctx, args []string) int {
494	rest, adds, removes, err := addRemoveFlags(args)
495	if err != nil {
496		return c.fail(protocol.ExitUsage, "%v", err)
497	}
498	if len(adds)+len(removes) == 0 {
499		return c.fail(protocol.ExitUsage, "usage: issue label <owner/name> <n> [--add <l>]... [--remove <l>]...")
500	}
501	repo, issue, code := issueRef(c, rest, policy.CanWrite)
502	if code >= 0 {
503		return code
504	}
505	if code := refuseArchived(c, repo); code >= 0 {
506		return code
507	}
508	for _, l := range adds {
509		if err := c.Store.SetIssueLabel(repo.ID, issue.ID, l, true); err != nil {
510			return c.fail(protocol.ExitFailure, "%v", err)
511		}
512	}
513	for _, l := range removes {
514		if err := c.Store.SetIssueLabel(repo.ID, issue.ID, l, false); err != nil {
515			if errors.Is(err, store.ErrNotFound) {
516				return c.fail(protocol.ExitNotFound, "%v", err)
517			}
518			return c.fail(protocol.ExitFailure, "%v", err)
519		}
520	}
521	updated, err := c.Store.IssueByNumber(repo.ID, issue.Number)
522	if err != nil {
523		return c.fail(protocol.ExitFailure, "%v", err)
524	}
525	return c.emit(map[string]any{"number": issue.Number, "labels": updated.Labels}, func(w io.Writer) {
526		fmt.Fprintf(w, "labels on %s#%d: %s\n", repo.Path(), issue.Number, strings.Join(updated.Labels, ", "))
527	})
528}
529
530func runIssueAssign(c *Ctx, args []string) int {
531	rest, adds, removes, err := addRemoveFlags(args)
532	if err != nil {
533		return c.fail(protocol.ExitUsage, "%v", err)
534	}
535	if len(adds)+len(removes) == 0 {
536		return c.fail(protocol.ExitUsage, "usage: issue assign <owner/name> <n> [--add <user>]... [--remove <user>]...")
537	}
538	repo, issue, code := issueRef(c, rest, policy.CanWrite)
539	if code >= 0 {
540		return code
541	}
542	if code := refuseArchived(c, repo); code >= 0 {
543		return code
544	}
545	resolve := func(name string) (store.User, int) {
546		u, err := c.Store.UserByUsername(name)
547		if errors.Is(err, store.ErrNotFound) {
548			return u, c.fail(protocol.ExitNotFound, "no such user %q", name)
549		}
550		if err != nil {
551			return u, c.fail(protocol.ExitFailure, "%v", err)
552		}
553		return u, -1
554	}
555	for _, name := range adds {
556		u, code := resolve(name)
557		if code >= 0 {
558			return code
559		}
560		if err := c.Store.SetIssueAssignee(issue.ID, u.ID, true); err != nil {
561			return c.fail(protocol.ExitFailure, "%v", err)
562		}
563	}
564	for _, name := range removes {
565		u, code := resolve(name)
566		if code >= 0 {
567			return code
568		}
569		if err := c.Store.SetIssueAssignee(issue.ID, u.ID, false); err != nil {
570			if errors.Is(err, store.ErrNotFound) {
571				return c.fail(protocol.ExitNotFound, "%s is not assigned", name)
572			}
573			return c.fail(protocol.ExitFailure, "%v", err)
574		}
575	}
576	updated, err := c.Store.IssueByNumber(repo.ID, issue.Number)
577	if err != nil {
578		return c.fail(protocol.ExitFailure, "%v", err)
579	}
580	return c.emit(map[string]any{"number": issue.Number, "assignees": updated.Assignees}, func(w io.Writer) {
581		fmt.Fprintf(w, "assignees on %s#%d: %s\n", repo.Path(), issue.Number, strings.Join(updated.Assignees, ", "))
582	})
583}