1package termui
2
3import (
4 "bytes"
5 "fmt"
6 "time"
7
8 "github.com/MichaelMure/git-bug/cache"
9 "github.com/MichaelMure/git-bug/entity"
10 "github.com/MichaelMure/git-bug/util/colors"
11 "github.com/MichaelMure/git-bug/util/text"
12 "github.com/MichaelMure/gocui"
13 "github.com/dustin/go-humanize"
14)
15
16const bugTableView = "bugTableView"
17const bugTableHeaderView = "bugTableHeaderView"
18const bugTableFooterView = "bugTableFooterView"
19const bugTableInstructionView = "bugTableInstructionView"
20
21const defaultRemote = "origin"
22const defaultQuery = "status:open"
23
24type bugTable struct {
25 repo *cache.RepoCache
26 queryStr string
27 query *cache.Query
28 allIds []entity.Id
29 excerpts []*cache.BugExcerpt
30 pageCursor int
31 selectCursor int
32}
33
34func newBugTable(c *cache.RepoCache) *bugTable {
35 query, err := cache.ParseQuery(defaultQuery)
36 if err != nil {
37 panic(err)
38 }
39
40 return &bugTable{
41 repo: c,
42 query: query,
43 queryStr: defaultQuery,
44 pageCursor: 0,
45 selectCursor: 0,
46 }
47}
48
49func (bt *bugTable) layout(g *gocui.Gui) error {
50 maxX, maxY := g.Size()
51
52 if maxY < 4 {
53 // window too small !
54 return nil
55 }
56
57 v, err := g.SetView(bugTableHeaderView, -1, -1, maxX, 3)
58
59 if err != nil {
60 if err != gocui.ErrUnknownView {
61 return err
62 }
63
64 v.Frame = false
65 }
66
67 v.Clear()
68 bt.renderHeader(v, maxX)
69
70 v, err = g.SetView(bugTableView, -1, 1, maxX, maxY-3)
71
72 if err != nil {
73 if err != gocui.ErrUnknownView {
74 return err
75 }
76
77 v.Frame = false
78 v.Highlight = true
79 v.SelBgColor = gocui.ColorWhite
80 v.SelFgColor = gocui.ColorBlack
81
82 // restore the cursor
83 // window is too small to set the cursor properly, ignoring the error
84 _ = v.SetCursor(0, bt.selectCursor)
85 }
86
87 _, viewHeight := v.Size()
88 err = bt.paginate(viewHeight)
89 if err != nil {
90 return err
91 }
92
93 err = bt.cursorClamp(v)
94 if err != nil {
95 return err
96 }
97
98 v.Clear()
99 bt.render(v, maxX)
100
101 v, err = g.SetView(bugTableFooterView, -1, maxY-4, maxX, maxY)
102
103 if err != nil {
104 if err != gocui.ErrUnknownView {
105 return err
106 }
107
108 v.Frame = false
109 }
110
111 v.Clear()
112 bt.renderFooter(v, maxX)
113
114 v, err = g.SetView(bugTableInstructionView, -1, maxY-2, maxX, maxY)
115
116 if err != nil {
117 if err != gocui.ErrUnknownView {
118 return err
119 }
120
121 v.Frame = false
122 v.BgColor = gocui.ColorBlue
123
124 _, _ = fmt.Fprintf(v, "[q] Quit [s] Search [←↓↑→,hjkl] Navigation [↵] Open bug [n] New bug [i] Pull [o] Push")
125 }
126
127 _, err = g.SetCurrentView(bugTableView)
128 return err
129}
130
131func (bt *bugTable) keybindings(g *gocui.Gui) error {
132 // Quit
133 if err := g.SetKeybinding(bugTableView, 'q', gocui.ModNone, quit); err != nil {
134 return err
135 }
136
137 // Down
138 if err := g.SetKeybinding(bugTableView, 'j', gocui.ModNone,
139 bt.cursorDown); err != nil {
140 return err
141 }
142 if err := g.SetKeybinding(bugTableView, gocui.KeyArrowDown, gocui.ModNone,
143 bt.cursorDown); err != nil {
144 return err
145 }
146 // Up
147 if err := g.SetKeybinding(bugTableView, 'k', gocui.ModNone,
148 bt.cursorUp); err != nil {
149 return err
150 }
151 if err := g.SetKeybinding(bugTableView, gocui.KeyArrowUp, gocui.ModNone,
152 bt.cursorUp); err != nil {
153 return err
154 }
155
156 // Previous page
157 if err := g.SetKeybinding(bugTableView, 'h', gocui.ModNone,
158 bt.previousPage); err != nil {
159 return err
160 }
161 if err := g.SetKeybinding(bugTableView, gocui.KeyArrowLeft, gocui.ModNone,
162 bt.previousPage); err != nil {
163 return err
164 }
165 if err := g.SetKeybinding(bugTableView, gocui.KeyPgup, gocui.ModNone,
166 bt.previousPage); err != nil {
167 return err
168 }
169 // Next page
170 if err := g.SetKeybinding(bugTableView, 'l', gocui.ModNone,
171 bt.nextPage); err != nil {
172 return err
173 }
174 if err := g.SetKeybinding(bugTableView, gocui.KeyArrowRight, gocui.ModNone,
175 bt.nextPage); err != nil {
176 return err
177 }
178 if err := g.SetKeybinding(bugTableView, gocui.KeyPgdn, gocui.ModNone,
179 bt.nextPage); err != nil {
180 return err
181 }
182
183 // New bug
184 if err := g.SetKeybinding(bugTableView, 'n', gocui.ModNone,
185 bt.newBug); err != nil {
186 return err
187 }
188
189 // Open bug
190 if err := g.SetKeybinding(bugTableView, gocui.KeyEnter, gocui.ModNone,
191 bt.openBug); err != nil {
192 return err
193 }
194
195 // Pull
196 if err := g.SetKeybinding(bugTableView, 'i', gocui.ModNone,
197 bt.pull); err != nil {
198 return err
199 }
200
201 // Push
202 if err := g.SetKeybinding(bugTableView, 'o', gocui.ModNone,
203 bt.push); err != nil {
204 return err
205 }
206
207 // Query
208 if err := g.SetKeybinding(bugTableView, 's', gocui.ModNone,
209 bt.changeQuery); err != nil {
210 return err
211 }
212
213 return nil
214}
215
216func (bt *bugTable) disable(g *gocui.Gui) error {
217 if err := g.DeleteView(bugTableView); err != nil && err != gocui.ErrUnknownView {
218 return err
219 }
220 if err := g.DeleteView(bugTableHeaderView); err != nil && err != gocui.ErrUnknownView {
221 return err
222 }
223 if err := g.DeleteView(bugTableFooterView); err != nil && err != gocui.ErrUnknownView {
224 return err
225 }
226 if err := g.DeleteView(bugTableInstructionView); err != nil && err != gocui.ErrUnknownView {
227 return err
228 }
229 return nil
230}
231
232func (bt *bugTable) paginate(max int) error {
233 bt.allIds = bt.repo.QueryBugs(bt.query)
234
235 return bt.doPaginate(max)
236}
237
238func (bt *bugTable) doPaginate(max int) error {
239 // clamp the cursor
240 bt.pageCursor = maxInt(bt.pageCursor, 0)
241 bt.pageCursor = minInt(bt.pageCursor, len(bt.allIds))
242
243 nb := minInt(len(bt.allIds)-bt.pageCursor, max)
244
245 if nb < 0 {
246 bt.excerpts = []*cache.BugExcerpt{}
247 return nil
248 }
249
250 // slice the data
251 ids := bt.allIds[bt.pageCursor : bt.pageCursor+nb]
252
253 bt.excerpts = make([]*cache.BugExcerpt, len(ids))
254
255 for i, id := range ids {
256 excerpt, err := bt.repo.ResolveBugExcerpt(id)
257 if err != nil {
258 return err
259 }
260
261 bt.excerpts[i] = excerpt
262 }
263
264 return nil
265}
266
267func (bt *bugTable) getTableLength() int {
268 return len(bt.excerpts)
269}
270
271func (bt *bugTable) getColumnWidths(maxX int) map[string]int {
272 m := make(map[string]int)
273 m["id"] = 9
274 m["status"] = 7
275
276 left := maxX - 5 - m["id"] - m["status"]
277
278 m["summary"] = 10
279 left -= m["summary"]
280 m["lastEdit"] = 19
281 left -= m["lastEdit"]
282
283 m["author"] = minInt(maxInt(left/3, 15), 10+left/8)
284 m["title"] = maxInt(left-m["author"], 10)
285
286 return m
287}
288
289func (bt *bugTable) render(v *gocui.View, maxX int) {
290 columnWidths := bt.getColumnWidths(maxX)
291
292 for _, excerpt := range bt.excerpts {
293 summaryTxt := fmt.Sprintf("C:%-2d L:%-2d",
294 excerpt.LenComments,
295 len(excerpt.Labels),
296 )
297
298 var authorDisplayName string
299 if excerpt.AuthorId != "" {
300 author, err := bt.repo.ResolveIdentityExcerpt(excerpt.AuthorId)
301 if err != nil {
302 panic(err)
303 }
304 authorDisplayName = author.DisplayName()
305 } else {
306 authorDisplayName = excerpt.LegacyAuthor.DisplayName()
307 }
308
309 lastEditTime := time.Unix(excerpt.EditUnixTime, 0)
310
311 id := text.LeftPadMaxLine(excerpt.Id.Human(), columnWidths["id"], 1)
312 status := text.LeftPadMaxLine(excerpt.Status.String(), columnWidths["status"], 1)
313 title := text.LeftPadMaxLine(excerpt.Title, columnWidths["title"], 1)
314 author := text.LeftPadMaxLine(authorDisplayName, columnWidths["author"], 1)
315 summary := text.LeftPadMaxLine(summaryTxt, columnWidths["summary"], 1)
316 lastEdit := text.LeftPadMaxLine(humanize.Time(lastEditTime), columnWidths["lastEdit"], 1)
317
318 _, _ = fmt.Fprintf(v, "%s %s %s %s %s %s\n",
319 colors.Cyan(id),
320 colors.Yellow(status),
321 title,
322 colors.Magenta(author),
323 summary,
324 lastEdit,
325 )
326 }
327}
328
329func (bt *bugTable) renderHeader(v *gocui.View, maxX int) {
330 columnWidths := bt.getColumnWidths(maxX)
331
332 id := text.LeftPadMaxLine("ID", columnWidths["id"], 1)
333 status := text.LeftPadMaxLine("STATUS", columnWidths["status"], 1)
334 title := text.LeftPadMaxLine("TITLE", columnWidths["title"], 1)
335 author := text.LeftPadMaxLine("AUTHOR", columnWidths["author"], 1)
336 summary := text.LeftPadMaxLine("SUMMARY", columnWidths["summary"], 1)
337 lastEdit := text.LeftPadMaxLine("LAST EDIT", columnWidths["lastEdit"], 1)
338
339 _, _ = fmt.Fprintf(v, "\n")
340 _, _ = fmt.Fprintf(v, "%s %s %s %s %s %s\n", id, status, title, author, summary, lastEdit)
341
342}
343
344func (bt *bugTable) renderFooter(v *gocui.View, maxX int) {
345 _, _ = fmt.Fprintf(v, " \nShowing %d of %d bugs", len(bt.excerpts), len(bt.allIds))
346}
347
348func (bt *bugTable) cursorDown(g *gocui.Gui, v *gocui.View) error {
349 _, y := v.Cursor()
350
351 // If we are at the bottom of the page, switch to the next one.
352 if y+1 > bt.getTableLength()-1 {
353 _, max := v.Size()
354
355 if bt.pageCursor+max >= len(bt.allIds) {
356 return nil
357 }
358
359 bt.pageCursor += max
360 bt.selectCursor = 0
361 _ = v.SetCursor(0, bt.selectCursor)
362
363 return bt.doPaginate(max)
364 }
365
366 y = minInt(y+1, bt.getTableLength()-1)
367 // window is too small to set the cursor properly, ignoring the error
368 _ = v.SetCursor(0, y)
369 bt.selectCursor = y
370
371 return nil
372}
373
374func (bt *bugTable) cursorUp(g *gocui.Gui, v *gocui.View) error {
375 _, y := v.Cursor()
376
377 // If we are at the top of the page, switch to the previous one.
378 if y-1 < 0 {
379 _, max := v.Size()
380
381 if bt.pageCursor == 0 {
382 return nil
383 }
384
385 bt.pageCursor = maxInt(0, bt.pageCursor-max)
386 bt.selectCursor = max - 1
387 _ = v.SetCursor(0, bt.selectCursor)
388
389 return bt.doPaginate(max)
390 }
391
392 y = maxInt(y-1, 0)
393 // window is too small to set the cursor properly, ignoring the error
394 _ = v.SetCursor(0, y)
395 bt.selectCursor = y
396
397 return nil
398}
399
400func (bt *bugTable) cursorClamp(v *gocui.View) error {
401 _, y := v.Cursor()
402
403 y = minInt(y, bt.getTableLength()-1)
404 y = maxInt(y, 0)
405
406 // window is too small to set the cursor properly, ignoring the error
407 _ = v.SetCursor(0, y)
408 bt.selectCursor = y
409
410 return nil
411}
412
413func (bt *bugTable) nextPage(g *gocui.Gui, v *gocui.View) error {
414 _, max := v.Size()
415
416 if bt.pageCursor+max >= len(bt.allIds) {
417 return nil
418 }
419
420 bt.pageCursor += max
421
422 return bt.doPaginate(max)
423}
424
425func (bt *bugTable) previousPage(g *gocui.Gui, v *gocui.View) error {
426 _, max := v.Size()
427
428 if bt.pageCursor == 0 {
429 return nil
430 }
431
432 bt.pageCursor = maxInt(0, bt.pageCursor-max)
433
434 return bt.doPaginate(max)
435}
436
437func (bt *bugTable) newBug(g *gocui.Gui, v *gocui.View) error {
438 return newBugWithEditor(bt.repo)
439}
440
441func (bt *bugTable) openBug(g *gocui.Gui, v *gocui.View) error {
442 _, y := v.Cursor()
443 id := bt.excerpts[y].Id
444 b, err := bt.repo.ResolveBug(id)
445 if err != nil {
446 return err
447 }
448 ui.showBug.SetBug(b)
449 return ui.activateWindow(ui.showBug)
450}
451
452func (bt *bugTable) pull(g *gocui.Gui, v *gocui.View) error {
453 ui.msgPopup.Activate("Pull from remote "+defaultRemote, "...")
454
455 go func() {
456 stdout, err := bt.repo.Fetch(defaultRemote)
457
458 if err != nil {
459 g.Update(func(gui *gocui.Gui) error {
460 ui.msgPopup.Activate(msgPopupErrorTitle, err.Error())
461 return nil
462 })
463 } else {
464 g.Update(func(gui *gocui.Gui) error {
465 ui.msgPopup.UpdateMessage(stdout)
466 return nil
467 })
468 }
469
470 var buffer bytes.Buffer
471 beginLine := ""
472
473 for result := range bt.repo.MergeAll(defaultRemote) {
474 if result.Status == entity.MergeStatusNothing {
475 continue
476 }
477
478 if result.Err != nil {
479 g.Update(func(gui *gocui.Gui) error {
480 ui.msgPopup.Activate(msgPopupErrorTitle, err.Error())
481 return nil
482 })
483 } else {
484 _, _ = fmt.Fprintf(&buffer, "%s%s: %s",
485 beginLine, colors.Cyan(result.Entity.Id().Human()), result,
486 )
487
488 beginLine = "\n"
489
490 g.Update(func(gui *gocui.Gui) error {
491 ui.msgPopup.UpdateMessage(buffer.String())
492 return nil
493 })
494 }
495 }
496
497 _, _ = fmt.Fprintf(&buffer, "%sdone", beginLine)
498
499 g.Update(func(gui *gocui.Gui) error {
500 ui.msgPopup.UpdateMessage(buffer.String())
501 return nil
502 })
503
504 }()
505
506 return nil
507}
508
509func (bt *bugTable) push(g *gocui.Gui, v *gocui.View) error {
510 ui.msgPopup.Activate("Push to remote "+defaultRemote, "...")
511
512 go func() {
513 // TODO: make the remote configurable
514 stdout, err := bt.repo.Push(defaultRemote)
515
516 if err != nil {
517 g.Update(func(gui *gocui.Gui) error {
518 ui.msgPopup.Activate(msgPopupErrorTitle, err.Error())
519 return nil
520 })
521 } else {
522 g.Update(func(gui *gocui.Gui) error {
523 ui.msgPopup.UpdateMessage(stdout)
524 return nil
525 })
526 }
527 }()
528
529 return nil
530}
531
532func (bt *bugTable) changeQuery(g *gocui.Gui, v *gocui.View) error {
533 return editQueryWithEditor(bt)
534}