internal/control/issue.go

aa03e8c8e02357cfe5f94188fdab3c79846cebae
gitbay/internal/control/issue.go history · blame · raw

469 lines · 16859 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] [--label <l>] [--assignee <user>] [--author <user>] [--milestone <title>|none] [--search <text>] [--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	repo, n, code := refArgs(c, args, perm, "issue")
 53	if code >= 0 {
 54		return repo, store.Issue{}, code
 55	}
 56	issue, err := c.Store.IssueByNumber(repo.ID, n)
 57	if errors.Is(err, store.ErrNotFound) {
 58		return repo, issue, c.fail(protocol.ExitNotFound, "issue #%d not found in %s", n, repo.Path())
 59	}
 60	if err != nil {
 61		return repo, issue, c.fail(protocol.ExitFailure, "%v", err)
 62	}
 63	return repo, issue, -1
 64}
 65
 66// bodyFrom resolves --body/--message inline text or --file - (stdin).
 67func bodyFrom(c *Ctx, inline, file string) (string, error) {
 68	if inline != "" && file != "" {
 69		return "", errors.New("give either an inline message or --file -, not both")
 70	}
 71	if file != "" {
 72		if file != "-" {
 73			return "", errors.New("--file only supports - (stdin) over ssh")
 74		}
 75		raw, err := io.ReadAll(io.LimitReader(c.Stdin, maxBodyBytes))
 76		return string(raw), err
 77	}
 78	return inline, nil
 79}
 80
 81// markupFormat normalizes a --format value. Empty means the caller did not ask,
 82// which the caller turns into "md" on create or "unchanged" on edit.
 83func markupFormat(v string) (string, error) {
 84	switch strings.ToLower(strings.TrimSpace(v)) {
 85	case "":
 86		return "", nil
 87	case "md", "markdown":
 88		return "md", nil
 89	case "org", "org-mode":
 90		return "org", nil
 91	}
 92	return "", fmt.Errorf("unknown --format %q (want md or org)", v)
 93}
 94
 95type issueOut struct {
 96	Number     int64    `json:"number"`
 97	Title      string   `json:"title"`
 98	State      string   `json:"state"`
 99	Author     string   `json:"author"`
100	Milestone  string   `json:"milestone,omitempty"`
101	Labels     []string `json:"labels,omitempty"`
102	Assignees  []string `json:"assignees,omitempty"`
103	Body       string   `json:"body,omitempty"`
104	BodyFormat string   `json:"body_format,omitempty"`
105	CreatedAt  string   `json:"created_at"`
106}
107
108func issueToOut(i store.Issue, withBody bool) issueOut {
109	o := issueOut{Number: i.Number, Title: i.Title, State: i.State, Author: i.Author,
110		Milestone: i.Milestone, Labels: i.Labels, Assignees: i.Assignees, CreatedAt: i.CreatedAt}
111	if withBody {
112		o.Body = i.Body
113		o.BodyFormat = i.BodyFormat
114	}
115	return o
116}
117
118func runIssueCreate(c *Ctx, args []string) int {
119	f, err := parseFlags(args, flagSpec{Values: []string{"--format", "--title", "--body", "--file"}, MaxPos: 1,
120		Usage: "issue create <owner/name> --title <t> [--body <b> | --file -] [--format md|org]"})
121	if err != nil {
122		return c.fail(protocol.ExitUsage, "%v", err)
123	}
124	path, title, body, file, format := f.pos(0), f.Value("--title"), f.Value("--body"), f.Value("--file"), f.Value("--format")
125	if path == "" || title == "" {
126		return c.fail(protocol.ExitUsage, "usage: issue create <owner/name> --title <t> [--body <b> | --file -] [--format md|org]")
127	}
128	fmtName, err := markupFormat(format)
129	if err != nil {
130		return c.failInput(err)
131	}
132	if fmtName == "" {
133		fmtName = "md"
134	}
135	// Anyone who can read the repo can file an issue.
136	repo, code := resolveRepo(c, path, policy.CanRead)
137	if code >= 0 {
138		return code
139	}
140	if code := refuseArchived(c, repo); code >= 0 {
141		return code
142	}
143	b, err := bodyFrom(c, body, file)
144	if err != nil {
145		return c.failInput(err)
146	}
147	n, err := c.Store.CreateIssue(repo.ID, c.User.ID, title, b, fmtName)
148	if err != nil {
149		return c.fail(protocol.ExitFailure, "%v", err)
150	}
151	c.Store.RecordEvent(repo.ID, c.User.ID, "issue.created", fmt.Sprintf(`{"number":%d}`, n))
152	if targets, err := c.Store.RepoNotifyTargets(repo); err == nil {
153		notify(c, targets, notice{repo: repo, kind: "issue",
154			subject: issueSubject(repo, n, title),
155			action:  fmt.Sprintf("opened issue #%d", n),
156			excerpt: b, path: fmt.Sprintf("%s/issues/%d", repo.Path(), n)})
157	}
158	if issue, err := c.Store.IssueByNumber(repo.ID, n); err == nil {
159		notifyMentions(c, repo, issueThread, issue.ID, n, title, b)
160	}
161	return c.emit(Created{Number: n}, func(w io.Writer) {
162		fmt.Fprintf(w, "created %s#%d\n", repo.Path(), n)
163	})
164}
165
166func runIssueList(c *Ctx, args []string) int {
167	args, p, code := parsePageFlags(c, args, "issue", true)
168	if code >= 0 {
169		return code
170	}
171	const usage = "usage: issue list <owner/name> [--state open|closed|all] [--label <l>] [--assignee <user>] [--author <user>] [--milestone <title>|none] [--search <text>] [--limit <n>] [--cursor <c>]"
172	f := store.IssueFilter{State: "open"}
173	fl, err := parseFlags(args, flagSpec{Values: []string{"--state", "--label", "--assignee", "--author", "--milestone", "--search"}, MaxPos: 1, Usage: usage})
174	if err != nil {
175		return c.fail(protocol.ExitUsage, "%v", err)
176	}
177	path := fl.pos(0)
178	if fl.Has("--state") {
179		f.State = fl.Value("--state")
180	}
181	f.Label, f.Assignee, f.Author, f.Milestone = fl.Value("--label"), fl.Value("--assignee"), fl.Value("--author"), fl.Value("--milestone")
182	f.Search = fl.Value("--search")
183	if fl.Has("--search") {
184		if err := validQuery(f.Search); err != nil {
185			return c.failInput(err)
186		}
187	}
188	if path == "" || (f.State != "open" && f.State != "closed" && f.State != "all") {
189		return c.fail(protocol.ExitUsage, usage)
190	}
191	repo, code := resolveRepo(c, path, policy.CanRead)
192	if code >= 0 {
193		return code
194	}
195	f.Limit, f.Before = p.queryLimit(), p.keyInt()
196	issues, err := c.Store.QueryIssues(repo.ID, f)
197	if err != nil {
198		return c.fail(protocol.ExitFailure, "%v", err)
199	}
200	issues, next := trimPage(p, issues, "issue", func(i store.Issue) string {
201		return strconv.FormatInt(i.Number, 10)
202	})
203	var ds []issueOut
204	for _, i := range issues {
205		ds = append(ds, issueToOut(i, false))
206	}
207	return c.emitPage(p, ds, next, func(w io.Writer) {
208		for _, d := range ds {
209			fmt.Fprintf(w, "#%d\t%s\t%s\t%s\n", d.Number, d.State, d.Title, d.Author)
210		}
211	})
212}
213
214func runIssueShow(c *Ctx, args []string) int {
215	repo, issue, code := issueRef(c, args, policy.CanRead)
216	if code >= 0 {
217		return code
218	}
219	if len(args) != 2 {
220		return c.fail(protocol.ExitUsage, "usage: issue show <owner/name> <n>")
221	}
222	comments, err := c.Store.ListIssueComments(issue.ID)
223	if err != nil {
224		return c.fail(protocol.ExitFailure, "%v", err)
225	}
226	var cs []commentOut
227	for _, cm := range comments {
228		cs = append(cs, commentOut{cm.Author, cm.Body, cm.BodyFormat, cm.CreatedAt})
229	}
230	d := IssueShow{issueOut: issueToOut(issue, true), Comments: cs}
231	_ = repo
232	return c.emit(d, func(w io.Writer) {
233		fmt.Fprintf(w, "#%d %s [%s] by %s\n", d.Number, d.Title, d.State, d.Author)
234		if len(d.Labels) > 0 {
235			fmt.Fprintf(w, "labels: %s\n", strings.Join(d.Labels, ", "))
236		}
237		if len(d.Assignees) > 0 {
238			fmt.Fprintf(w, "assignees: %s\n", strings.Join(d.Assignees, ", "))
239		}
240		if d.Body != "" {
241			fmt.Fprintf(w, "\n%s\n", d.Body)
242		}
243		for _, cm := range cs {
244			fmt.Fprintf(w, "\n--- %s at %s\n%s\n", cm.Author, cm.CreatedAt, cm.Body)
245		}
246	})
247}
248
249func runIssueComment(c *Ctx, args []string) int {
250	return runComment(c, args, issueThread, "issue",
251		func(rest []string) (store.Repo, int64, int64, string, int) {
252			repo, issue, code := issueRef(c, rest, policy.CanRead)
253			return repo, issue.ID, issue.Number, issue.Title, code
254		},
255		c.Store.AddIssueComment, c.Store.IssueParticipants)
256}
257
258func setIssueState(c *Ctx, args []string, state string) int {
259	// Author may close/reopen their own issue; otherwise write access.
260	repo, issue, code := issueRef(c, args, policy.CanRead)
261	if code >= 0 {
262		return code
263	}
264	if code := refuseArchived(c, repo); code >= 0 {
265		return code
266	}
267	if len(args) != 2 {
268		return c.fail(protocol.ExitUsage, "usage: issue %s <owner/name> <n>", state)
269	}
270	if code := authorOrWrite(c, repo, issue.Author, map[string]string{"open": "reopen", "closed": "close"}[state]+" this issue"); code >= 0 {
271		return code
272	}
273	if issue.State == state {
274		return c.fail(protocol.ExitUsage, "issue #%d is already %s", issue.Number, state)
275	}
276	if err := c.Store.SetIssueState(issue.ID, state); err != nil {
277		return c.fail(protocol.ExitFailure, "%v", err)
278	}
279	c.Store.RecordEvent(repo.ID, c.User.ID, "issue."+state, fmt.Sprintf(`{"number":%d}`, issue.Number))
280	if parts, err := c.Store.IssueParticipants(issue.ID); err == nil {
281		verb := map[string]string{"open": "reopened", "closed": "closed"}[state]
282		notify(c, parts, notice{repo: repo, kind: "issue",
283			subject: issueSubject(repo, issue.Number, issue.Title),
284			action:  fmt.Sprintf("%s #%d", verb, issue.Number),
285			path:    fmt.Sprintf("%s/issues/%d", repo.Path(), issue.Number)})
286	}
287	return c.emit(map[string]any{"number": issue.Number, "state": state}, func(w io.Writer) {
288		fmt.Fprintf(w, "%s#%d is now %s\n", repo.Path(), issue.Number, state)
289	})
290}
291
292// editText parses --title/--body/--file -/--format and authorizes: author or
293// write. A nil format means the stored markup format stays as it is.
294func editText(c *Ctx, args []string, kind string) (rest []string, title, body, format *string, code int) {
295	f, err := parseFlags(args, flagSpec{Values: []string{"--title", "--body", "--file", "--format"}, MaxPos: -1,
296		Usage: kind + " edit <owner/name> <n> [--title <t>] [--body <b> | --file -] [--format md|org]"})
297	if err != nil {
298		return nil, nil, nil, nil, c.fail(protocol.ExitUsage, "%v", err)
299	}
300	rest = f.Pos
301	titleV, bodyV, file, formatV := f.Value("--title"), f.Value("--body"), f.Value("--file"), f.Value("--format")
302	haveTitle, haveBody := f.Has("--title"), f.Has("--body")
303	if file != "" {
304		b, err := bodyFrom(c, "", file)
305		if err != nil {
306			return nil, nil, nil, nil, c.failInput(err)
307		}
308		bodyV, haveBody = b, true
309	}
310	fmtName, err := markupFormat(formatV)
311	if err != nil {
312		return nil, nil, nil, nil, c.failInput(err)
313	}
314	if !haveTitle && !haveBody && fmtName == "" {
315		return nil, nil, nil, nil, c.fail(protocol.ExitUsage, "usage: %s edit <owner/name> <n> [--title <t>] [--body <b> | --file -] [--format md|org]", kind)
316	}
317	if haveTitle {
318		if strings.TrimSpace(titleV) == "" {
319			return nil, nil, nil, nil, c.fail(protocol.ExitUsage, "--title must not be empty")
320		}
321		title = &titleV
322	}
323	if haveBody {
324		body = &bodyV
325	}
326	if fmtName != "" {
327		format = &fmtName
328	}
329	return rest, title, body, format, -1
330}
331
332func runIssueEdit(c *Ctx, args []string) int {
333	rest, title, body, format, code := editText(c, args, "issue")
334	if code >= 0 {
335		return code
336	}
337	repo, issue, code := issueRef(c, rest, policy.CanRead)
338	if code >= 0 {
339		return code
340	}
341	if code := refuseArchived(c, repo); code >= 0 {
342		return code
343	}
344	if code := authorOrWrite(c, repo, issue.Author, "edit this issue"); code >= 0 {
345		return code
346	}
347	if err := c.Store.UpdateIssueText(issue.ID, title, body, format); err != nil {
348		return c.fail(protocol.ExitFailure, "%v", err)
349	}
350	c.Store.RecordEvent(repo.ID, c.User.ID, "issue.edited", fmt.Sprintf(`{"number":%d}`, issue.Number))
351	if parts, err := c.Store.IssueParticipants(issue.ID); err == nil {
352		notify(c, parts, notice{repo: repo, kind: "issue",
353			subject: issueSubject(repo, issue.Number, issue.Title),
354			action:  fmt.Sprintf("edited #%d", issue.Number),
355			path:    fmt.Sprintf("%s/issues/%d", repo.Path(), issue.Number)})
356	}
357	return c.emit(map[string]any{"number": issue.Number}, func(w io.Writer) {
358		fmt.Fprintf(w, "edited %s#%d\n", repo.Path(), issue.Number)
359	})
360}
361
362func runIssueClose(c *Ctx, args []string) int  { return setIssueState(c, args, "closed") }
363func runIssueReopen(c *Ctx, args []string) int { return setIssueState(c, args, "open") }
364
365// addRemoveFlags parses repeated --add/--remove flags.
366func addRemoveFlags(args []string) (rest, adds, removes []string, err error) {
367	f, err := parseFlags(args, flagSpec{Multi: []string{"--add", "--remove"}, MaxPos: -1})
368	if err != nil {
369		return nil, nil, nil, err
370	}
371	rest, adds, removes = f.Pos, f.List("--add"), f.List("--remove")
372	return rest, adds, removes, nil
373}
374
375func runIssueLabel(c *Ctx, args []string) int {
376	rest, adds, removes, err := addRemoveFlags(args)
377	if err != nil {
378		return c.failInput(err)
379	}
380	if len(adds)+len(removes) == 0 {
381		return c.fail(protocol.ExitUsage, "usage: issue label <owner/name> <n> [--add <l>]... [--remove <l>]...")
382	}
383	repo, issue, code := issueRef(c, rest, policy.CanWrite)
384	if code >= 0 {
385		return code
386	}
387	if code := refuseArchived(c, repo); code >= 0 {
388		return code
389	}
390	for _, l := range adds {
391		if err := c.Store.SetIssueLabel(repo, issue.ID, l, true); err != nil {
392			return c.fail(protocol.ExitFailure, "%v", err)
393		}
394	}
395	for _, l := range removes {
396		if err := c.Store.SetIssueLabel(repo, issue.ID, l, false); err != nil {
397			if errors.Is(err, store.ErrNotFound) {
398				return c.fail(protocol.ExitNotFound, "%v", err)
399			}
400			return c.fail(protocol.ExitFailure, "%v", err)
401		}
402	}
403	updated, err := c.Store.IssueByNumber(repo.ID, issue.Number)
404	if err != nil {
405		return c.fail(protocol.ExitFailure, "%v", err)
406	}
407	c.Store.RecordEvent(repo.ID, c.User.ID, "issue.labeled",
408		fmt.Sprintf(`{"number":%d,"labels":%s}`, issue.Number, jsonStrings(updated.Labels)))
409	return c.emit(map[string]any{"number": issue.Number, "labels": updated.Labels}, func(w io.Writer) {
410		fmt.Fprintf(w, "labels on %s#%d: %s\n", repo.Path(), issue.Number, strings.Join(updated.Labels, ", "))
411	})
412}
413
414func runIssueAssign(c *Ctx, args []string) int {
415	rest, adds, removes, err := addRemoveFlags(args)
416	if err != nil {
417		return c.failInput(err)
418	}
419	if len(adds)+len(removes) == 0 {
420		return c.fail(protocol.ExitUsage, "usage: issue assign <owner/name> <n> [--add <user>]... [--remove <user>]...")
421	}
422	repo, issue, code := issueRef(c, rest, policy.CanWrite)
423	if code >= 0 {
424		return code
425	}
426	if code := refuseArchived(c, repo); code >= 0 {
427		return code
428	}
429	resolve := func(name string) (store.User, int) {
430		u, err := c.Store.UserByUsername(name)
431		if errors.Is(err, store.ErrNotFound) {
432			return u, c.fail(protocol.ExitNotFound, "no such user %q", name)
433		}
434		if err != nil {
435			return u, c.fail(protocol.ExitFailure, "%v", err)
436		}
437		return u, -1
438	}
439	for _, name := range adds {
440		u, code := resolve(name)
441		if code >= 0 {
442			return code
443		}
444		if err := c.Store.SetIssueAssignee(issue.ID, u.ID, true); err != nil {
445			return c.fail(protocol.ExitFailure, "%v", err)
446		}
447	}
448	for _, name := range removes {
449		u, code := resolve(name)
450		if code >= 0 {
451			return code
452		}
453		if err := c.Store.SetIssueAssignee(issue.ID, u.ID, false); err != nil {
454			if errors.Is(err, store.ErrNotFound) {
455				return c.fail(protocol.ExitNotFound, "%s is not assigned", name)
456			}
457			return c.fail(protocol.ExitFailure, "%v", err)
458		}
459	}
460	updated, err := c.Store.IssueByNumber(repo.ID, issue.Number)
461	if err != nil {
462		return c.fail(protocol.ExitFailure, "%v", err)
463	}
464	c.Store.RecordEvent(repo.ID, c.User.ID, "issue.assigned",
465		fmt.Sprintf(`{"number":%d,"assignees":%s}`, issue.Number, jsonStrings(updated.Assignees)))
466	return c.emit(map[string]any{"number": issue.Number, "assignees": updated.Assignees}, func(w io.Writer) {
467		fmt.Fprintf(w, "assignees on %s#%d: %s\n", repo.Path(), issue.Number, strings.Join(updated.Assignees, ", "))
468	})
469}