bug.go

  1package bugcmd
  2
  3import (
  4	"fmt"
  5	"regexp"
  6	"strings"
  7	"time"
  8
  9	text "github.com/MichaelMure/go-term-text"
 10	"github.com/spf13/cobra"
 11
 12	"github.com/MichaelMure/git-bug/cache"
 13	"github.com/MichaelMure/git-bug/commands/cmdjson"
 14	"github.com/MichaelMure/git-bug/commands/completion"
 15	"github.com/MichaelMure/git-bug/commands/execenv"
 16	"github.com/MichaelMure/git-bug/entities/bug"
 17	"github.com/MichaelMure/git-bug/entities/common"
 18	"github.com/MichaelMure/git-bug/entity"
 19	"github.com/MichaelMure/git-bug/query"
 20	"github.com/MichaelMure/git-bug/util/colors"
 21)
 22
 23type bugOptions struct {
 24	statusQuery      []string
 25	authorQuery      []string
 26	metadataQuery    []string
 27	participantQuery []string
 28	actorQuery       []string
 29	labelQuery       []string
 30	titleQuery       []string
 31	noQuery          []string
 32	sortBy           string
 33	sortDirection    string
 34	outputFormat     string
 35}
 36
 37func NewBugCommand() *cobra.Command {
 38	env := execenv.NewEnv()
 39	options := bugOptions{}
 40
 41	cmd := &cobra.Command{
 42		Use:   "bug [QUERY]",
 43		Short: "List bugs",
 44		Long: `Display a summary of each bugs.
 45
 46You 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.`,
 47		Example: `List open bugs sorted by last edition with a query:
 48git bug status:open sort:edit-desc
 49
 50List closed bugs sorted by creation with flags:
 51git bug --status closed --by creation
 52
 53Do a full text search of all bugs:
 54git bug "foo bar" baz
 55
 56Use queries, flags, and full text search:
 57git bug status:open --by creation "foo bar" baz
 58`,
 59		PreRunE: execenv.LoadBackend(env),
 60		RunE: execenv.CloseBackend(env, func(cmd *cobra.Command, args []string) error {
 61			return runBug(env, options, args)
 62		}),
 63		ValidArgsFunction: completion.Ls(env),
 64	}
 65
 66	flags := cmd.Flags()
 67	flags.SortFlags = false
 68
 69	flags.StringSliceVarP(&options.statusQuery, "status", "s", nil,
 70		"Filter by status. Valid values are [open,closed]")
 71	cmd.RegisterFlagCompletionFunc("status", completion.From([]string{"open", "closed"}))
 72	flags.StringSliceVarP(&options.authorQuery, "author", "a", nil,
 73		"Filter by author")
 74	flags.StringSliceVarP(&options.metadataQuery, "metadata", "m", nil,
 75		"Filter by metadata. Example: github-url=URL")
 76	cmd.RegisterFlagCompletionFunc("author", completion.UserForQuery(env))
 77	flags.StringSliceVarP(&options.participantQuery, "participant", "p", nil,
 78		"Filter by participant")
 79	cmd.RegisterFlagCompletionFunc("participant", completion.UserForQuery(env))
 80	flags.StringSliceVarP(&options.actorQuery, "actor", "A", nil,
 81		"Filter by actor")
 82	cmd.RegisterFlagCompletionFunc("actor", completion.UserForQuery(env))
 83	flags.StringSliceVarP(&options.labelQuery, "label", "l", nil,
 84		"Filter by label")
 85	cmd.RegisterFlagCompletionFunc("label", completion.Label(env))
 86	flags.StringSliceVarP(&options.titleQuery, "title", "t", nil,
 87		"Filter by title")
 88	flags.StringSliceVarP(&options.noQuery, "no", "n", nil,
 89		"Filter by absence of something. Valid values are [label]")
 90	cmd.RegisterFlagCompletionFunc("no", completion.Label(env))
 91	flags.StringVarP(&options.sortBy, "by", "b", "creation",
 92		"Sort the results by a characteristic. Valid values are [id,creation,edit]")
 93	cmd.RegisterFlagCompletionFunc("by", completion.From([]string{"id", "creation", "edit"}))
 94	flags.StringVarP(&options.sortDirection, "direction", "d", "asc",
 95		"Select the sorting direction. Valid values are [asc,desc]")
 96	cmd.RegisterFlagCompletionFunc("direction", completion.From([]string{"asc", "desc"}))
 97	flags.StringVarP(&options.outputFormat, "format", "f", "",
 98		"Select the output formatting style. Valid values are [default,plain,id,json,org-mode]")
 99	cmd.RegisterFlagCompletionFunc("format",
100		completion.From([]string{"default", "plain", "id", "json", "org-mode"}))
101
102	const selectGroup = "select"
103	cmd.AddGroup(&cobra.Group{ID: selectGroup, Title: "Implicit selection"})
104
105	addCmdWithGroup := func(child *cobra.Command, groupID string) {
106		cmd.AddCommand(child)
107		child.GroupID = groupID
108	}
109
110	addCmdWithGroup(newBugDeselectCommand(), selectGroup)
111	addCmdWithGroup(newBugSelectCommand(), selectGroup)
112
113	cmd.AddCommand(newBugCommentCommand())
114	cmd.AddCommand(newBugLabelCommand())
115	cmd.AddCommand(newBugNewCommand())
116	cmd.AddCommand(newBugRmCommand())
117	cmd.AddCommand(newBugShowCommand())
118	cmd.AddCommand(newBugStatusCommand())
119	cmd.AddCommand(newBugTitleCommand())
120
121	return cmd
122}
123
124func runBug(env *execenv.Env, opts bugOptions, args []string) error {
125	var q *query.Query
126	var err error
127
128	if len(args) >= 1 {
129		// either the shell or cobra remove the quotes, we need them back for the query parsing
130		assembled := repairQuery(args)
131
132		q, err = query.Parse(assembled)
133		if err != nil {
134			return err
135		}
136	} else {
137		q = query.NewQuery()
138	}
139
140	err = completeQuery(q, opts)
141	if err != nil {
142		return err
143	}
144
145	allIds, err := env.Backend.Bugs().Query(q)
146	if err != nil {
147		return err
148	}
149
150	excerpts := make([]*cache.BugExcerpt, len(allIds))
151	for i, id := range allIds {
152		b, err := env.Backend.Bugs().ResolveExcerpt(id)
153		if err != nil {
154			return err
155		}
156		excerpts[i] = b
157	}
158
159	switch opts.outputFormat {
160	case "":
161		if env.Out.IsTerminal() {
162			return bugsDefaultFormatter(env, excerpts)
163		} else {
164			return bugsPlainFormatter(env, excerpts)
165		}
166	case "default":
167		return bugsDefaultFormatter(env, excerpts)
168	case "id":
169		return bugsIDFormatter(env, excerpts)
170	case "plain":
171		return bugsPlainFormatter(env, excerpts)
172	case "json":
173		return bugsJsonFormatter(env, excerpts)
174	case "org-mode":
175		return bugsOrgmodeFormatter(env, excerpts)
176	default:
177		return fmt.Errorf("unknown format %s", opts.outputFormat)
178	}
179}
180
181func repairQuery(args []string) string {
182	for i, arg := range args {
183		split := strings.Split(arg, ":")
184		for j, s := range split {
185			if strings.Contains(s, " ") {
186				split[j] = fmt.Sprintf("\"%s\"", s)
187			}
188		}
189		args[i] = strings.Join(split, ":")
190	}
191	return strings.Join(args, " ")
192}
193
194func bugsJsonFormatter(env *execenv.Env, excerpts []*cache.BugExcerpt) error {
195	jsonBugs := make([]cmdjson.BugExcerpt, len(excerpts))
196	for i, b := range excerpts {
197		jsonBug, err := cmdjson.NewBugExcerpt(env.Backend, b)
198		if err != nil {
199			return err
200		}
201		jsonBugs[i] = jsonBug
202	}
203	return env.Out.PrintJSON(jsonBugs)
204}
205
206func bugsIDFormatter(env *execenv.Env, excerpts []*cache.BugExcerpt) error {
207	for _, b := range excerpts {
208		env.Out.Println(b.Id().String())
209	}
210
211	return nil
212}
213
214func bugsDefaultFormatter(env *execenv.Env, excerpts []*cache.BugExcerpt) error {
215	width := env.Out.Width()
216	widthId := entity.HumanIdLength
217	widthStatus := len("closed")
218	widthComment := 6
219
220	widthRemaining := width -
221		widthId - 1 -
222		widthStatus - 1 -
223		widthComment - 1
224
225	widthTitle := int(float32(widthRemaining-3) * 0.7)
226	if widthTitle < 0 {
227		widthTitle = 0
228	}
229
230	widthRemaining = widthRemaining - widthTitle - 3 - 2
231	widthAuthor := widthRemaining
232
233	for _, b := range excerpts {
234		author, err := env.Backend.Identities().ResolveExcerpt(b.AuthorId)
235		if err != nil {
236			return err
237		}
238
239		var labelsTxt strings.Builder
240		for _, l := range b.Labels {
241			lc256 := l.Color().Term256()
242			labelsTxt.WriteString(lc256.Escape())
243			labelsTxt.WriteString(" ◼")
244			labelsTxt.WriteString(lc256.Unescape())
245		}
246
247		// truncate + pad if needed
248		labelsFmt := text.TruncateMax(labelsTxt.String(), 10)
249		titleFmt := text.LeftPadMaxLine(strings.TrimSpace(b.Title), widthTitle-text.Len(labelsFmt), 0)
250		authorFmt := text.LeftPadMaxLine(author.DisplayName(), widthAuthor, 0)
251
252		comments := fmt.Sprintf("%3d 💬", b.LenComments-1)
253		if b.LenComments-1 <= 0 {
254			comments = ""
255		}
256		if b.LenComments-1 > 999 {
257			comments = "  ∞ 💬"
258		}
259
260		env.Out.Printf("%s\t%s\t%s   %s %s\n",
261			colors.Cyan(b.Id().Human()),
262			colors.Yellow(b.Status),
263			titleFmt+labelsFmt,
264			colors.Magenta(authorFmt),
265			comments,
266		)
267	}
268	return nil
269}
270
271func bugsPlainFormatter(env *execenv.Env, excerpts []*cache.BugExcerpt) error {
272	for _, b := range excerpts {
273		env.Out.Printf("%s\t%s\t%s\n", b.Id().Human(), b.Status, strings.TrimSpace(b.Title))
274	}
275	return nil
276}
277
278func bugsOrgmodeFormatter(env *execenv.Env, excerpts []*cache.BugExcerpt) error {
279	// see https://orgmode.org/manual/Tags.html
280	orgTagRe := regexp.MustCompile("[^[:alpha:]_@]")
281	formatTag := func(l bug.Label) string {
282		return orgTagRe.ReplaceAllString(l.String(), "_")
283	}
284
285	formatTime := func(time time.Time) string {
286		return time.Format("[2006-01-02 Mon 15:05]")
287	}
288
289	env.Out.Println("#+TODO: OPEN | CLOSED")
290
291	for _, b := range excerpts {
292		status := strings.ToUpper(b.Status.String())
293
294		var title string
295		if link, ok := b.CreateMetadata["github-url"]; ok {
296			title = fmt.Sprintf("[[%s][%s]]", link, b.Title)
297		} else {
298			title = b.Title
299		}
300
301		author, err := env.Backend.Identities().ResolveExcerpt(b.AuthorId)
302		if err != nil {
303			return err
304		}
305
306		var labels strings.Builder
307		labels.WriteString(":")
308		for i, l := range b.Labels {
309			if i > 0 {
310				labels.WriteString(":")
311			}
312			labels.WriteString(formatTag(l))
313		}
314		labels.WriteString(":")
315
316		env.Out.Printf("* %-6s %s %s %s: %s %s\n",
317			status,
318			b.Id().Human(),
319			formatTime(b.CreateTime()),
320			author.DisplayName(),
321			title,
322			labels.String(),
323		)
324
325		env.Out.Printf("** Last Edited: %s\n", formatTime(b.EditTime()))
326
327		env.Out.Printf("** Actors:\n")
328		for _, element := range b.Actors {
329			actor, err := env.Backend.Identities().ResolveExcerpt(element)
330			if err != nil {
331				return err
332			}
333
334			env.Out.Printf(": %s %s\n",
335				actor.Id().Human(),
336				actor.DisplayName(),
337			)
338		}
339
340		env.Out.Printf("** Participants:\n")
341		for _, element := range b.Participants {
342			participant, err := env.Backend.Identities().ResolveExcerpt(element)
343			if err != nil {
344				return err
345			}
346
347			env.Out.Printf(": %s %s\n",
348				participant.Id().Human(),
349				participant.DisplayName(),
350			)
351		}
352	}
353
354	return nil
355}
356
357// Finish the command flags transformation into the query.Query
358func completeQuery(q *query.Query, opts bugOptions) error {
359	for _, str := range opts.statusQuery {
360		status, err := common.StatusFromString(str)
361		if err != nil {
362			return err
363		}
364		q.Status = append(q.Status, status)
365	}
366
367	q.Author = append(q.Author, opts.authorQuery...)
368	for _, str := range opts.metadataQuery {
369		tokens := strings.Split(str, "=")
370		if len(tokens) < 2 {
371			return fmt.Errorf("no \"=\" in key=value metadata markup")
372		}
373		var pair query.StringPair
374		pair.Key = tokens[0]
375		pair.Value = tokens[1]
376		q.Metadata = append(q.Metadata, pair)
377	}
378	q.Participant = append(q.Participant, opts.participantQuery...)
379	q.Actor = append(q.Actor, opts.actorQuery...)
380	q.Label = append(q.Label, opts.labelQuery...)
381	q.Title = append(q.Title, opts.titleQuery...)
382
383	for _, no := range opts.noQuery {
384		switch no {
385		case "label":
386			q.NoLabel = true
387		default:
388			return fmt.Errorf("unknown \"no\" filter %s", no)
389		}
390	}
391
392	switch opts.sortBy {
393	case "id":
394		q.OrderBy = query.OrderById
395	case "creation":
396		q.OrderBy = query.OrderByCreation
397	case "edit":
398		q.OrderBy = query.OrderByEdit
399	default:
400		return fmt.Errorf("unknown sort flag %s", opts.sortBy)
401	}
402
403	switch opts.sortDirection {
404	case "asc":
405		q.OrderDirection = query.OrderAscending
406	case "desc":
407		q.OrderDirection = query.OrderDescending
408	default:
409		return fmt.Errorf("unknown sort direction %s", opts.sortDirection)
410	}
411
412	return nil
413}