ls.go

  1package commands
  2
  3import (
  4	"encoding/json"
  5	"fmt"
  6	"regexp"
  7	"strings"
  8	"time"
  9
 10	text "github.com/MichaelMure/go-term-text"
 11	"github.com/spf13/cobra"
 12
 13	"github.com/MichaelMure/git-bug/bug"
 14	"github.com/MichaelMure/git-bug/cache"
 15	"github.com/MichaelMure/git-bug/query"
 16	"github.com/MichaelMure/git-bug/util/colors"
 17)
 18
 19type lsOptions struct {
 20	statusQuery      []string
 21	authorQuery      []string
 22	metadataQuery    []string
 23	participantQuery []string
 24	actorQuery       []string
 25	labelQuery       []string
 26	titleQuery       []string
 27	noQuery          []string
 28	sortBy           string
 29	sortDirection    string
 30	outputFormat     string
 31}
 32
 33func newLsCommand() *cobra.Command {
 34	env := newEnv()
 35	options := lsOptions{}
 36
 37	cmd := &cobra.Command{
 38		Use:   "ls [QUERY]",
 39		Short: "List bugs.",
 40		Long: `Display a summary of each bugs.
 41
 42You can pass an additional query to filter and order the list. This query can be expressed either with a simple query language, flags, a natural language full text search, or a combination of the aforementioned.`,
 43		Example: `List open bugs sorted by last edition with a query:
 44git bug ls status:open sort:edit-desc
 45
 46List closed bugs sorted by creation with flags:
 47git bug ls --status closed --by creation
 48
 49Do a full text search of all bugs:
 50git bug ls "foo bar" baz
 51
 52Use queries, flags, and full text search:
 53git bug ls status:open --by creation "foo bar" baz
 54`,
 55		PreRunE: loadBackend(env),
 56		RunE: closeBackend(env, func(cmd *cobra.Command, args []string) error {
 57			return runLs(env, options, args)
 58		}),
 59		ValidArgsFunction: completeLs(env),
 60	}
 61
 62	flags := cmd.Flags()
 63	flags.SortFlags = false
 64
 65	flags.StringSliceVarP(&options.statusQuery, "status", "s", nil,
 66		"Filter by status. Valid values are [open,closed]")
 67	cmd.RegisterFlagCompletionFunc("status", completeFrom([]string{"open", "closed"}))
 68	flags.StringSliceVarP(&options.authorQuery, "author", "a", nil,
 69		"Filter by author")
 70	flags.StringSliceVarP(&options.metadataQuery, "metadata", "m", nil,
 71		"Filter by metadata. Example: github-url=URL")
 72	cmd.RegisterFlagCompletionFunc("author", completeUserForQuery(env))
 73	flags.StringSliceVarP(&options.participantQuery, "participant", "p", nil,
 74		"Filter by participant")
 75	cmd.RegisterFlagCompletionFunc("participant", completeUserForQuery(env))
 76	flags.StringSliceVarP(&options.actorQuery, "actor", "A", nil,
 77		"Filter by actor")
 78	cmd.RegisterFlagCompletionFunc("actor", completeUserForQuery(env))
 79	flags.StringSliceVarP(&options.labelQuery, "label", "l", nil,
 80		"Filter by label")
 81	cmd.RegisterFlagCompletionFunc("label", completeLabel(env))
 82	flags.StringSliceVarP(&options.titleQuery, "title", "t", nil,
 83		"Filter by title")
 84	flags.StringSliceVarP(&options.noQuery, "no", "n", nil,
 85		"Filter by absence of something. Valid values are [label]")
 86	cmd.RegisterFlagCompletionFunc("no", completeLabel(env))
 87	flags.StringVarP(&options.sortBy, "by", "b", "creation",
 88		"Sort the results by a characteristic. Valid values are [id,creation,edit]")
 89	cmd.RegisterFlagCompletionFunc("by", completeFrom([]string{"id", "creation", "edit"}))
 90	flags.StringVarP(&options.sortDirection, "direction", "d", "asc",
 91		"Select the sorting direction. Valid values are [asc,desc]")
 92	cmd.RegisterFlagCompletionFunc("direction", completeFrom([]string{"asc", "desc"}))
 93	flags.StringVarP(&options.outputFormat, "format", "f", "default",
 94		"Select the output formatting style. Valid values are [default,plain,compact,json,org-mode]")
 95	cmd.RegisterFlagCompletionFunc("format",
 96		completeFrom([]string{"default", "plain", "compact", "json", "org-mode"}))
 97
 98	return cmd
 99}
100
101func runLs(env *Env, opts lsOptions, args []string) error {
102	var q *query.Query
103	var err error
104
105	if len(args) >= 1 {
106		// either the shell or cobra remove the quotes, we need them back for the query parsing
107		assembled := repairQuery(args)
108
109		q, err = query.Parse(assembled)
110		if err != nil {
111			return err
112		}
113	} else {
114		q = query.NewQuery()
115	}
116
117	err = completeQuery(q, opts)
118	if err != nil {
119		return err
120	}
121
122	allIds, err := env.backend.QueryBugs(q)
123	if err != nil {
124		return err
125	}
126
127	bugExcerpt := make([]*cache.BugExcerpt, len(allIds))
128	for i, id := range allIds {
129		b, err := env.backend.ResolveBugExcerpt(id)
130		if err != nil {
131			return err
132		}
133		bugExcerpt[i] = b
134	}
135
136	switch opts.outputFormat {
137	case "org-mode":
138		return lsOrgmodeFormatter(env, bugExcerpt)
139	case "plain":
140		return lsPlainFormatter(env, bugExcerpt)
141	case "json":
142		return lsJsonFormatter(env, bugExcerpt)
143	case "compact":
144		return lsCompactFormatter(env, bugExcerpt)
145	case "default":
146		return lsDefaultFormatter(env, bugExcerpt)
147	default:
148		return fmt.Errorf("unknown format %s", opts.outputFormat)
149	}
150}
151
152func repairQuery(args []string) string {
153	for i, arg := range args {
154		split := strings.Split(arg, ":")
155		for j, s := range split {
156			if strings.Contains(s, " ") {
157				split[j] = fmt.Sprintf("\"%s\"", s)
158			}
159		}
160		args[i] = strings.Join(split, ":")
161	}
162	return strings.Join(args, " ")
163}
164
165type JSONBugExcerpt struct {
166	Id         string   `json:"id"`
167	HumanId    string   `json:"human_id"`
168	CreateTime JSONTime `json:"create_time"`
169	EditTime   JSONTime `json:"edit_time"`
170
171	Status       string         `json:"status"`
172	Labels       []bug.Label    `json:"labels"`
173	Title        string         `json:"title"`
174	Actors       []JSONIdentity `json:"actors"`
175	Participants []JSONIdentity `json:"participants"`
176	Author       JSONIdentity   `json:"author"`
177
178	Comments int               `json:"comments"`
179	Metadata map[string]string `json:"metadata"`
180}
181
182func lsJsonFormatter(env *Env, bugExcerpts []*cache.BugExcerpt) error {
183	jsonBugs := make([]JSONBugExcerpt, len(bugExcerpts))
184	for i, b := range bugExcerpts {
185		jsonBug := JSONBugExcerpt{
186			Id:         b.Id.String(),
187			HumanId:    b.Id.Human(),
188			CreateTime: NewJSONTime(b.CreateTime(), b.CreateLamportTime),
189			EditTime:   NewJSONTime(b.EditTime(), b.EditLamportTime),
190			Status:     b.Status.String(),
191			Labels:     b.Labels,
192			Title:      b.Title,
193			Comments:   b.LenComments,
194			Metadata:   b.CreateMetadata,
195		}
196
197		author, err := env.backend.ResolveIdentityExcerpt(b.AuthorId)
198		if err != nil {
199			return err
200		}
201		jsonBug.Author = NewJSONIdentityFromExcerpt(author)
202
203		jsonBug.Actors = make([]JSONIdentity, len(b.Actors))
204		for i, element := range b.Actors {
205			actor, err := env.backend.ResolveIdentityExcerpt(element)
206			if err != nil {
207				return err
208			}
209			jsonBug.Actors[i] = NewJSONIdentityFromExcerpt(actor)
210		}
211
212		jsonBug.Participants = make([]JSONIdentity, len(b.Participants))
213		for i, element := range b.Participants {
214			participant, err := env.backend.ResolveIdentityExcerpt(element)
215			if err != nil {
216				return err
217			}
218			jsonBug.Participants[i] = NewJSONIdentityFromExcerpt(participant)
219		}
220
221		jsonBugs[i] = jsonBug
222	}
223	jsonObject, _ := json.MarshalIndent(jsonBugs, "", "    ")
224	env.out.Printf("%s\n", jsonObject)
225	return nil
226}
227
228func lsCompactFormatter(env *Env, bugExcerpts []*cache.BugExcerpt) error {
229	for _, b := range bugExcerpts {
230		author, err := env.backend.ResolveIdentityExcerpt(b.AuthorId)
231		if err != nil {
232			return err
233		}
234
235		var labelsTxt strings.Builder
236		for _, l := range b.Labels {
237			lc256 := l.Color().Term256()
238			labelsTxt.WriteString(lc256.Escape())
239			labelsTxt.WriteString("◼")
240			labelsTxt.WriteString(lc256.Unescape())
241		}
242
243		env.out.Printf("%s %s %s %s %s\n",
244			colors.Cyan(b.Id.Human()),
245			colors.Yellow(b.Status),
246			text.LeftPadMaxLine(strings.TrimSpace(b.Title), 40, 0),
247			text.LeftPadMaxLine(labelsTxt.String(), 5, 0),
248			colors.Magenta(text.TruncateMax(author.DisplayName(), 15)),
249		)
250	}
251	return nil
252}
253
254func lsDefaultFormatter(env *Env, bugExcerpts []*cache.BugExcerpt) error {
255	for _, b := range bugExcerpts {
256		author, err := env.backend.ResolveIdentityExcerpt(b.AuthorId)
257		if err != nil {
258			return err
259		}
260
261		var labelsTxt strings.Builder
262		for _, l := range b.Labels {
263			lc256 := l.Color().Term256()
264			labelsTxt.WriteString(lc256.Escape())
265			labelsTxt.WriteString(" ◼")
266			labelsTxt.WriteString(lc256.Unescape())
267		}
268
269		// truncate + pad if needed
270		labelsFmt := text.TruncateMax(labelsTxt.String(), 10)
271		titleFmt := text.LeftPadMaxLine(strings.TrimSpace(b.Title), 50-text.Len(labelsFmt), 0)
272		authorFmt := text.LeftPadMaxLine(author.DisplayName(), 15, 0)
273
274		comments := fmt.Sprintf("%3d 💬", b.LenComments-1)
275		if b.LenComments-1 <= 0 {
276			comments = ""
277		}
278		if b.LenComments-1 > 999 {
279			comments = "  ∞ 💬"
280		}
281
282		env.out.Printf("%s %s\t%s\t%s\t%s\n",
283			colors.Cyan(b.Id.Human()),
284			colors.Yellow(b.Status),
285			titleFmt+labelsFmt,
286			colors.Magenta(authorFmt),
287			comments,
288		)
289	}
290	return nil
291}
292
293func lsPlainFormatter(env *Env, bugExcerpts []*cache.BugExcerpt) error {
294	for _, b := range bugExcerpts {
295		env.out.Printf("%s [%s] %s\n", b.Id.Human(), b.Status, strings.TrimSpace(b.Title))
296	}
297	return nil
298}
299
300func lsOrgmodeFormatter(env *Env, bugExcerpts []*cache.BugExcerpt) error {
301	// see https://orgmode.org/manual/Tags.html
302	orgTagRe := regexp.MustCompile("[^[:alpha:]_@]")
303	formatTag := func(l bug.Label) string {
304		return orgTagRe.ReplaceAllString(l.String(), "_")
305	}
306
307	formatTime := func(time time.Time) string {
308		return time.Format("[2006-01-02 Mon 15:05]")
309	}
310
311	env.out.Println("#+TODO: OPEN | CLOSED")
312
313	for _, b := range bugExcerpts {
314		status := strings.ToUpper(b.Status.String())
315
316		var title string
317		if link, ok := b.CreateMetadata["github-url"]; ok {
318			title = fmt.Sprintf("[[%s][%s]]", link, b.Title)
319		} else {
320			title = b.Title
321		}
322
323		author, err := env.backend.ResolveIdentityExcerpt(b.AuthorId)
324		if err != nil {
325			return err
326		}
327
328		var labels strings.Builder
329		labels.WriteString(":")
330		for i, l := range b.Labels {
331			if i > 0 {
332				labels.WriteString(":")
333			}
334			labels.WriteString(formatTag(l))
335		}
336		labels.WriteString(":")
337
338		env.out.Printf("* %-6s %s %s %s: %s %s\n",
339			status,
340			b.Id.Human(),
341			formatTime(b.CreateTime()),
342			author.DisplayName(),
343			title,
344			labels.String(),
345		)
346
347		env.out.Printf("** Last Edited: %s\n", formatTime(b.EditTime()))
348
349		env.out.Printf("** Actors:\n")
350		for _, element := range b.Actors {
351			actor, err := env.backend.ResolveIdentityExcerpt(element)
352			if err != nil {
353				return err
354			}
355
356			env.out.Printf(": %s %s\n",
357				actor.Id.Human(),
358				actor.DisplayName(),
359			)
360		}
361
362		env.out.Printf("** Participants:\n")
363		for _, element := range b.Participants {
364			participant, err := env.backend.ResolveIdentityExcerpt(element)
365			if err != nil {
366				return err
367			}
368
369			env.out.Printf(": %s %s\n",
370				participant.Id.Human(),
371				participant.DisplayName(),
372			)
373		}
374	}
375
376	return nil
377}
378
379// Finish the command flags transformation into the query.Query
380func completeQuery(q *query.Query, opts lsOptions) error {
381	for _, str := range opts.statusQuery {
382		status, err := bug.StatusFromString(str)
383		if err != nil {
384			return err
385		}
386		q.Status = append(q.Status, status)
387	}
388
389	q.Author = append(q.Author, opts.authorQuery...)
390	for _, str := range opts.metadataQuery {
391		tokens := strings.Split(str, "=")
392		if len(tokens) < 2 {
393			return fmt.Errorf("no \"=\" in key=value metadata markup")
394		}
395		var pair query.StringPair
396		pair.Key = tokens[0]
397		pair.Value = tokens[1]
398		q.Metadata = append(q.Metadata, pair)
399	}
400	q.Participant = append(q.Participant, opts.participantQuery...)
401	q.Actor = append(q.Actor, opts.actorQuery...)
402	q.Label = append(q.Label, opts.labelQuery...)
403	q.Title = append(q.Title, opts.titleQuery...)
404
405	for _, no := range opts.noQuery {
406		switch no {
407		case "label":
408			q.NoLabel = true
409		default:
410			return fmt.Errorf("unknown \"no\" filter %s", no)
411		}
412	}
413
414	switch opts.sortBy {
415	case "id":
416		q.OrderBy = query.OrderById
417	case "creation":
418		q.OrderBy = query.OrderByCreation
419	case "edit":
420		q.OrderBy = query.OrderByEdit
421	default:
422		return fmt.Errorf("unknown sort flag %s", opts.sortBy)
423	}
424
425	switch opts.sortDirection {
426	case "asc":
427		q.OrderDirection = query.OrderAscending
428	case "desc":
429		q.OrderDirection = query.OrderDescending
430	default:
431		return fmt.Errorf("unknown sort direction %s", opts.sortDirection)
432	}
433
434	return nil
435}