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