summaryrefslogtreecommitdiff
path: root/app/assets/javascripts/notes.js.coffee
blob: ad216910c8de187670c9f3c9c6e3422352e88f1d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
#= require autosave
#= require autosize
#= require dropzone
#= require dropzone_input
#= require gfm_auto_complete
#= require jquery.atwho
#= require task_list

class @Notes
  @interval: null

  constructor: (notes_url, note_ids, last_fetched_at, view) ->
    @notes_url = notes_url
    @note_ids = note_ids
    @last_fetched_at = last_fetched_at
    @view = view
    @noteable_url = document.URL
    @notesCountBadge ||= $(".issuable-details").find(".notes-tab .badge")
    @basePollingInterval = 15000
    @maxPollingSteps = 4

    @cleanBinding()
    @addBinding()
    @setPollingInterval()
    @setupMainTargetNoteForm()
    @initTaskList()

  addBinding: ->
    # add note to UI after creation
    $(document).on "ajax:success", ".js-main-target-form", @addNote
    $(document).on "ajax:success", ".js-discussion-note-form", @addDiscussionNote

    # catch note ajax errors
    $(document).on "ajax:error", ".js-main-target-form", @addNoteError

    # change note in UI after update
    $(document).on "ajax:success", "form.edit-note", @updateNote

    # Edit note link
    $(document).on "click", ".js-note-edit", @showEditForm
    $(document).on "click", ".note-edit-cancel", @cancelEdit

    # Reopen and close actions for Issue/MR combined with note form submit
    $(document).on "click", ".js-comment-button", @updateCloseButton
    $(document).on "keyup input", ".js-note-text", @updateTargetButtons

    # remove a note (in general)
    $(document).on "click", ".js-note-delete", @removeNote

    # delete note attachment
    $(document).on "click", ".js-note-attachment-delete", @removeAttachment

    # reset main target form after submit
    $(document).on "ajax:complete", ".js-main-target-form", @reenableTargetFormSubmitButton
    $(document).on "ajax:success", ".js-main-target-form", @resetMainTargetForm

    # reset main target form when clicking discard
    $(document).on "click", ".js-note-discard", @resetMainTargetForm

    # update the file name when an attachment is selected
    $(document).on "change", ".js-note-attachment-input", @updateFormAttachment

    # reply to diff/discussion notes
    $(document).on "click", ".js-discussion-reply-button", @replyToDiscussionNote

    # add diff note
    $(document).on "click", ".js-add-diff-note-button", @addDiffNote

    # hide diff note form
    $(document).on "click", ".js-close-discussion-note-form", @cancelDiscussionForm

    # fetch notes when tab becomes visible
    $(document).on "visibilitychange", @visibilityChange

    # when issue status changes, we need to refresh data
    $(document).on "issuable:change", @refresh

    # when a key is clicked on the notes
    $(document).on "keydown", ".js-note-text", @keydownNoteText

  cleanBinding: ->
    $(document).off "ajax:success", ".js-main-target-form"
    $(document).off "ajax:success", ".js-discussion-note-form"
    $(document).off "ajax:success", "form.edit-note"
    $(document).off "click", ".js-note-edit"
    $(document).off "click", ".note-edit-cancel"
    $(document).off "click", ".js-note-delete"
    $(document).off "click", ".js-note-attachment-delete"
    $(document).off "ajax:complete", ".js-main-target-form"
    $(document).off "ajax:success", ".js-main-target-form"
    $(document).off "click", ".js-discussion-reply-button"
    $(document).off "click", ".js-add-diff-note-button"
    $(document).off "visibilitychange"
    $(document).off "keyup", ".js-note-text"
    $(document).off "click", ".js-note-target-reopen"
    $(document).off "click", ".js-note-target-close"
    $(document).off "click", ".js-note-discard"
    $(document).off "keydown", ".js-note-text"

    $('.note .js-task-list-container').taskList('disable')
    $(document).off 'tasklist:changed', '.note .js-task-list-container'

  keydownNoteText: (e) ->
    $this = $(this)
    if $this.val() is '' and e.which is 38 #aka the up key
      myLastNote = $("li.note[data-author-id='#{gon.current_user_id}'][data-editable]:last")
      if myLastNote.length
        myLastNoteEditBtn = myLastNote.find('.js-note-edit')
        myLastNoteEditBtn.trigger('click', [true, myLastNote])

  initRefresh: ->
    clearInterval(Notes.interval)
    Notes.interval = setInterval =>
      @refresh()
    , @pollingInterval

  refresh: =>
    return if @refreshing is true
    @refreshing = true
    if not document.hidden and document.URL.indexOf(@noteable_url) is 0
      @getContent()

  getContent: ->
    $.ajax
      url: @notes_url
      data: "last_fetched_at=" + @last_fetched_at
      dataType: "json"
      success: (data) =>
        notes = data.notes
        @last_fetched_at = data.last_fetched_at
        @setPollingInterval(data.notes.length)
        $.each notes, (i, note) =>
          if note.discussion_with_diff_html?
            @renderDiscussionNote(note)
          else
            @renderNote(note)
    .always () =>
      @refreshing = false

  ###
  Increase @pollingInterval up to 120 seconds on every function call,
  if `shouldReset` has a truthy value, 'null' or 'undefined' the variable
  will reset to @basePollingInterval.

  Note: this function is used to gradually increase the polling interval
  if there aren't new notes coming from the server
  ###
  setPollingInterval: (shouldReset = true) ->
    nthInterval = @basePollingInterval * Math.pow(2, @maxPollingSteps - 1)
    if shouldReset
      @pollingInterval = @basePollingInterval
    else if @pollingInterval < nthInterval
      @pollingInterval *= 2

    @initRefresh()

  ###
  Render note in main comments area.

  Note: for rendering inline notes use renderDiscussionNote
  ###
  renderNote: (note) ->
    unless note.valid
      if note.award
        flash = new Flash('You have already awarded this emoji!', 'alert')
        flash.pinTo('.header-content')
      return

    if note.award
      votesBlock = $('.js-awards-block').eq 0
      gl.awardsHandler.addAwardToEmojiBar votesBlock, note.name
      gl.awardsHandler.scrollToAwards()

    # render note if it not present in loaded list
    # or skip if rendered
    else if @isNewNote(note)
      @note_ids.push(note.id)

      $notesList = $('ul.main-notes-list')

      $notesList
        .append(note.html)
        .syntaxHighlight()

      # Update datetime format on the recent note
      gl.utils.localTimeAgo($notesList.find("#note_#{note.id} .js-timeago"), false)

      @initTaskList()
      @updateNotesCount(1)


  ###
  Check if note does not exists on page
  ###
  isNewNote: (note) ->
    $.inArray(note.id, @note_ids) == -1

  isParallelView: ->
    @view == 'parallel'

  ###
  Render note in discussion area.

  Note: for rendering inline notes use renderDiscussionNote
  ###
  renderDiscussionNote: (note) ->
    return unless @isNewNote(note)

    @note_ids.push(note.id)
    form = $("#new-discussion-note-form-#{note.discussion_id}")
    row = form.closest("tr")
    note_html = $(note.html)
    note_html.syntaxHighlight()

    # is this the first note of discussion?
    discussionContainer = $(".notes[data-discussion-id='" + note.discussion_id + "']")
    if discussionContainer.length is 0
      # insert the note and the reply button after the temp row
      row.after note.discussion_html

      # remove the note (will be added again below)
      row.next().find(".note").remove()

      # Before that, the container didn't exist
      discussionContainer = $(".notes[data-discussion-id='" + note.discussion_id + "']")

      # Add note to 'Changes' page discussions
      discussionContainer.append note_html

      # Init discussion on 'Discussion' page if it is merge request page
      if $('body').attr('data-page').indexOf('projects:merge_request') is 0
        $('ul.main-notes-list')
          .append(note.discussion_with_diff_html)
          .syntaxHighlight()
    else
      # append new note to all matching discussions
      discussionContainer.append note_html

    gl.utils.localTimeAgo($('.js-timeago', note_html), false)

    @updateNotesCount(1)

  ###
  Called in response the main target form has been successfully submitted.

  Removes any errors.
  Resets text and preview.
  Resets buttons.
  ###
  resetMainTargetForm: (e) =>
    form = $(".js-main-target-form")

    # remove validation errors
    form.find(".js-errors").remove()

    # reset text and preview
    form.find(".js-md-write-button").click()
    form.find(".js-note-text").val("").trigger "input"

    form.find(".js-note-text").data("autosave").reset()

    @updateTargetButtons(e)

  reenableTargetFormSubmitButton: ->
    form = $(".js-main-target-form")

    form.find(".js-note-text").trigger "input"

  ###
  Shows the main form and does some setup on it.

  Sets some hidden fields in the form.
  ###
  setupMainTargetNoteForm: ->
    # find the form
    form = $(".js-new-note-form")

    # Set a global clone of the form for later cloning
    @formClone = form.clone()

    # show the form
    @setupNoteForm(form)

    # fix classes
    form.removeClass "js-new-note-form"
    form.addClass "js-main-target-form"

    form.find("#note_line_code").remove()
    form.find("#note_type").remove()

  ###
  General note form setup.

  deactivates the submit button when text is empty
  hides the preview button when text is empty
  setup GFM auto complete
  show the form
  ###
  setupNoteForm: (form) ->
    new GLForm form

    textarea = form.find(".js-note-text")

    new Autosave textarea, [
      "Note"
      form.find("#note_commit_id").val()
      form.find("#note_line_code").val()
      form.find("#note_noteable_type").val()
      form.find("#note_noteable_id").val()
    ]

  ###
  Called in response to the new note form being submitted

  Adds new note to list.
  ###
  addNote: (xhr, note, status) =>
    @renderNote(note)

  addNoteError: (xhr, note, status) =>
    flash = new Flash('Your comment could not be submitted! Please check your network connection and try again.', 'alert')
    flash.pinTo('.md-area')

  ###
  Called in response to the new note form being submitted

  Adds new note to list.
  ###
  addDiscussionNote: (xhr, note, status) =>
    @renderDiscussionNote(note)

    # cleanup after successfully creating a diff/discussion note
    @removeDiscussionNoteForm($(xhr.target))

  ###
  Called in response to the edit note form being submitted

  Updates the current note field.
  ###
  updateNote: (_xhr, note, _status) =>
    # Convert returned HTML to a jQuery object so we can modify it further
    $html = $(note.html)

    gl.utils.localTimeAgo($('.js-timeago', $html))

    $html.syntaxHighlight()
    $html.find('.js-task-list-container').taskList('enable')

    # Find the note's `li` element by ID and replace it with the updated HTML
    $note_li = $('.note-row-' + note.id)
    $note_li.replaceWith($html)

  ###
  Called in response to clicking the edit note link

  Replaces the note text with the note edit form
  Adds a data attribute to the form with the original content of the note for cancellations
  ###
  showEditForm: (e, scrollTo, myLastNote) ->
    e.preventDefault()
    note = $(this).closest(".note")
    note.addClass "is-editting"
    form = note.find(".note-edit-form")

    form.addClass('current-note-edit-form')

    # Show the attachment delete link
    note.find(".js-note-attachment-delete").show()

    done = ($noteText) ->
      # Neat little trick to put the cursor at the end
      noteTextVal = $noteText.val()
      # Store the original note text in a data attribute to retrieve if a user cancels edit.
      form.find('form.edit-note').data 'original-note', noteTextVal
      $noteText.val('').val(noteTextVal);

    new GLForm form
    if scrollTo? and myLastNote?
      # scroll to the bottom
      # so the open of the last element doesn't make a jump
      $('html, body').scrollTop($(document).height());
      $('html, body').animate({
        scrollTop: myLastNote.offset().top - 150
      }, 500, ->
        $noteText = form.find(".js-note-text")
        $noteText.focus()
        done($noteText)
      );
    else
      $noteText = form.find('.js-note-text')
      $noteText.focus()
      done($noteText)

  ###
  Called in response to clicking the edit note link

  Hides edit form and restores the original note text to the editor textarea.
  ###
  cancelEdit: (e) ->
    e.preventDefault()
    note = $(this).closest(".note")
    form = note.find(".current-note-edit-form")
    note.removeClass "is-editting"
    form.removeClass("current-note-edit-form")
    # Replace markdown textarea text with original note text.
    form.find(".js-note-text").val(form.find('form.edit-note').data('original-note'))

  ###
  Called in response to deleting a note of any kind.

  Removes the actual note from view.
  Removes the whole discussion if the last note is being removed.
  ###
  removeNote: (e) =>
    noteId = $(e.currentTarget)
               .closest(".note")
               .attr("id")

    # A same note appears in the "Discussion" and in the "Changes" tab, we have
    # to remove all. Using $(".note[id='noteId']") ensure we get all the notes,
    # where $("#noteId") would return only one.
    $(".note[id='#{noteId}']").each (i, el) =>
      note  = $(el)
      notes = note.closest(".notes")

      # check if this is the last note for this line
      if notes.find(".note").length is 1

        # "Discussions" tab
        notes.closest(".timeline-entry").remove()

        # "Changes" tab / commit view
        notes.closest("tr").remove()

      note.remove()

    # Decrement the "Discussions" counter only once
    @updateNotesCount(-1)

  ###
  Called in response to clicking the delete attachment link

  Removes the attachment wrapper view, including image tag if it exists
  Resets the note editing form
  ###
  removeAttachment: ->
    note = $(this).closest(".note")
    note.find(".note-attachment").remove()
    note.find(".note-body > .note-text").show()
    note.find(".note-header").show()
    note.find(".current-note-edit-form").remove()

  ###
  Called when clicking on the "reply" button for a diff line.

  Shows the note form below the notes.
  ###
  replyToDiscussionNote: (e) =>
    form = @formClone.clone()
    replyLink = $(e.target).closest(".js-discussion-reply-button")
    replyLink.hide()

    # insert the form after the button
    replyLink.after form

    # show the form
    @setupDiscussionNoteForm(replyLink, form)

  ###
  Shows the diff or discussion form and does some setup on it.

  Sets some hidden fields in the form.

  Note: dataHolder must have the "discussionId", "lineCode", "noteableType"
  and "noteableId" data attributes set.
  ###
  setupDiscussionNoteForm: (dataHolder, form) =>
    # setup note target
    form.attr 'id', "new-discussion-note-form-#{dataHolder.data("discussionId")}"
    form.find("#note_type").val dataHolder.data("noteType")
    form.find("#line_type").val dataHolder.data("lineType")
    form.find("#note_commit_id").val dataHolder.data("commitId")
    form.find("#note_line_code").val dataHolder.data("lineCode")
    form.find("#note_noteable_type").val dataHolder.data("noteableType")
    form.find("#note_noteable_id").val dataHolder.data("noteableId")
    form.find('.js-note-discard')
        .show()
        .removeClass('js-note-discard')
        .addClass('js-close-discussion-note-form')
        .text(form.find('.js-close-discussion-note-form').data('cancel-text'))
    @setupNoteForm form
    form.find(".js-note-text").focus()
    form
      .removeClass('js-main-target-form')
      .addClass("discussion-form js-discussion-note-form")

  ###
  Called when clicking on the "add a comment" button on the side of a diff line.

  Inserts a temporary row for the form below the line.
  Sets up the form and shows it.
  ###
  addDiffNote: (e) =>
    e.preventDefault()
    $link = $(e.currentTarget)
    row = $link.closest("tr")
    nextRow = row.next()
    hasNotes = nextRow.is(".notes_holder")
    addForm = false
    targetContent = ".notes_content"
    rowCssToAdd = "<tr class=\"notes_holder js-temp-notes-holder\"><td class=\"notes_line\" colspan=\"2\"></td><td class=\"notes_content\"></td></tr>"

    # In parallel view, look inside the correct left/right pane
    if @isParallelView()
      lineType = $link.data("lineType")
      targetContent += "." + lineType
      rowCssToAdd = "<tr class=\"notes_holder js-temp-notes-holder\"><td class=\"notes_line\"></td><td class=\"notes_content parallel old\"></td><td class=\"notes_line\"></td><td class=\"notes_content parallel new\"></td></tr>"

    if hasNotes
      notesContent = nextRow.find(targetContent)
      if notesContent.length
        replyButton = notesContent.find(".js-discussion-reply-button:visible")
        if replyButton.length
          e.target = replyButton[0]
          $.proxy(@replyToDiscussionNote, replyButton[0], e).call()
        else
          # In parallel view, the form may not be present in one of the panes
          noteForm = notesContent.find(".js-discussion-note-form")
          if noteForm.length == 0
            addForm = true
    else
      # add a notes row and insert the form
      row.after rowCssToAdd
      addForm = true

    if addForm
      newForm = @formClone.clone()
      newForm.appendTo row.next().find(targetContent)

      # show the form
      @setupDiscussionNoteForm $link, newForm

  ###
  Called in response to "cancel" on a diff note form.

  Shows the reply button again.
  Removes the form and if necessary it's temporary row.
  ###
  removeDiscussionNoteForm: (form)->
    row = form.closest("tr")

    glForm = form.data 'gl-form'
    glForm.destroy()

    form.find(".js-note-text").data("autosave").reset()

    # show the reply button (will only work for replies)
    form.prev(".js-discussion-reply-button").show()
    if row.is(".js-temp-notes-holder")
      # remove temporary row for diff lines
      row.remove()
    else
      # only remove the form
      form.remove()

  cancelDiscussionForm: (e) =>
    e.preventDefault()
    form = $(e.target).closest(".js-discussion-note-form")
    @removeDiscussionNoteForm(form)

  ###
  Called after an attachment file has been selected.

  Updates the file name for the selected attachment.
  ###
  updateFormAttachment: ->
    form = $(this).closest("form")

    # get only the basename
    filename = $(this).val().replace(/^.*[\\\/]/, "")
    form.find(".js-attachment-filename").text filename

  ###
  Called when the tab visibility changes
  ###
  visibilityChange: =>
    @refresh()

  updateCloseButton: (e) =>
    textarea = $(e.target)
    form = textarea.parents('form')
    closebtn = form.find('.js-note-target-close')
    closebtn.text(closebtn.data('original-text'))

  updateTargetButtons: (e) =>
    textarea = $(e.target)
    form = textarea.parents('form')
    reopenbtn = form.find('.js-note-target-reopen')
    closebtn = form.find('.js-note-target-close')
    discardbtn = form.find('.js-note-discard')

    if textarea.val().trim().length > 0
      reopentext = reopenbtn.data('alternative-text')
      closetext = closebtn.data('alternative-text')

      if reopenbtn.text() isnt reopentext
        reopenbtn.text(reopentext)

      if closebtn.text() isnt closetext
        closebtn.text(closetext)

      if reopenbtn.is(':not(.btn-comment-and-reopen)')
        reopenbtn.addClass('btn-comment-and-reopen')

      if closebtn.is(':not(.btn-comment-and-close)')
        closebtn.addClass('btn-comment-and-close')

      if discardbtn.is(':hidden')
        discardbtn.show()
    else
      reopentext = reopenbtn.data('original-text')
      closetext = closebtn.data('original-text')

      if reopenbtn.text() isnt reopentext
        reopenbtn.text(reopentext)

      if closebtn.text() isnt closetext
        closebtn.text(closetext)

      if reopenbtn.is('.btn-comment-and-reopen')
        reopenbtn.removeClass('btn-comment-and-reopen')

      if closebtn.is('.btn-comment-and-close')
        closebtn.removeClass('btn-comment-and-close')

      if discardbtn.is(':visible')
        discardbtn.hide()

  initTaskList: ->
    @enableTaskList()
    $(document).on 'tasklist:changed', '.note .js-task-list-container', @updateTaskList

  enableTaskList: ->
    $('.note .js-task-list-container').taskList('enable')

  updateTaskList: ->
    $('form', this).submit()

  updateNotesCount: (updateCount) ->
    @notesCountBadge.text(parseInt(@notesCountBadge.text()) + updateCount)