summaryrefslogtreecommitdiff
path: root/app/presenters/merge_request_presenter.rb
blob: 3f565b826dde042754b9a6742b1af6ed384159c3 (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
# frozen_string_literal: true

class MergeRequestPresenter < Gitlab::View::Presenter::Delegated
  include ActionView::Helpers::UrlHelper
  include GitlabRoutingHelper
  include MarkupHelper
  include TreeHelper
  include ChecksCollaboration
  include Gitlab::Utils::StrongMemoize

  presents :merge_request

  def ci_status
    if pipeline
      status = pipeline.status
      status = "success_with_warnings" if pipeline.success? && pipeline.has_warnings?

      status || "preparing"
    else
      ci_service = source_project.try(:ci_service)
      ci_service&.commit_status(diff_head_sha, source_branch)
    end
  end

  def cancel_merge_when_pipeline_succeeds_path
    if can_cancel_merge_when_pipeline_succeeds?(current_user)
      cancel_merge_when_pipeline_succeeds_project_merge_request_path(project, merge_request)
    end
  end

  def create_issue_to_resolve_discussions_path
    if can?(current_user, :create_issue, project) && project.issues_enabled?
      new_project_issue_path(project, merge_request_to_resolve_discussions_of: iid)
    end
  end

  def remove_wip_path
    if work_in_progress? && can?(current_user, :update_merge_request, merge_request.project)
      remove_wip_project_merge_request_path(project, merge_request)
    end
  end

  def merge_path
    if can_be_merged_by?(current_user)
      merge_project_merge_request_path(project, merge_request)
    end
  end

  def revert_in_fork_path
    if user_can_fork_project? && cached_can_be_reverted?
      continue_params = {
        to: merge_request_path(merge_request),
        notice: "#{edit_in_new_fork_notice} Try to cherry-pick this commit again.",
        notice_now: edit_in_new_fork_notice_now
      }

      project_forks_path(merge_request.project,
                                   namespace_key: current_user.namespace.id,
                                   continue: continue_params)
    end
  end

  def cherry_pick_in_fork_path
    if user_can_fork_project? && can_be_cherry_picked?
      continue_params = {
        to: merge_request_path(merge_request),
        notice: "#{edit_in_new_fork_notice} Try to revert this commit again.",
        notice_now: edit_in_new_fork_notice_now
      }

      project_forks_path(project,
                                   namespace_key: current_user.namespace.id,
                                   continue: continue_params)
    end
  end

  def conflict_resolution_path
    if conflicts.can_be_resolved_in_ui? && conflicts.can_be_resolved_by?(current_user)
      conflicts_project_merge_request_path(project, merge_request)
    end
  end

  def rebase_path
    if !rebase_in_progress? && should_be_rebased? && can_push_to_source_branch?
      rebase_project_merge_request_path(project, merge_request)
    end
  end

  def target_branch_tree_path
    if target_branch_exists?
      project_tree_path(project, target_branch)
    end
  end

  def target_branch_commits_path
    if target_branch_exists?
      project_commits_path(project, target_branch)
    end
  end

  def source_branch_path
    if source_branch_exists?
      project_branch_path(source_project, source_branch)
    end
  end

  def source_branch_with_namespace_link
    namespace = source_project_namespace
    branch = source_branch

    if source_branch_exists?
      namespace = link_to(namespace, project_path(source_project))
      branch = link_to(branch, project_tree_path(source_project, source_branch))
    end

    if for_fork?
      namespace + ":" + branch
    else
      branch
    end
  end

  def closing_issues_links
    markdown(
      issues_sentence(project, closing_issues),
      pipeline: :gfm,
      author: author,
      project: project,
      issuable_state_filter_enabled: true
    )
  end

  def mentioned_issues_links
    mentioned_issues = issues_mentioned_but_not_closing(current_user)
    markdown(
      issues_sentence(project, mentioned_issues),
      pipeline: :gfm,
      author: author,
      project: project,
      issuable_state_filter_enabled: true
    )
  end

  def assign_to_closing_issues_link
    # rubocop: disable CodeReuse/ServiceClass
    issues = MergeRequests::AssignIssuesService.new(project,
                                                    current_user,
                                                    merge_request: merge_request,
                                                    closes_issues: closing_issues
                                                   ).assignable_issues
    path = assign_related_issues_project_merge_request_path(project, merge_request)
    if issues.present?
      pluralize_this_issue = issues.count > 1 ? "these issues" : "this issue"
      link_to "Assign yourself to #{pluralize_this_issue}", path, method: :post
    end
    # rubocop: enable CodeReuse/ServiceClass
  end

  def can_revert_on_current_merge_request?
    can_collaborate_with_project?(project) && cached_can_be_reverted?
  end

  def can_cherry_pick_on_current_merge_request?
    can_collaborate_with_project?(project) && can_be_cherry_picked?
  end

  def can_push_to_source_branch?
    return false unless source_branch_exists?

    !!::Gitlab::UserAccess
      .new(current_user, project: source_project)
      .can_push_to_branch?(source_branch)
  end

  def can_remove_source_branch?
    source_branch_exists? && merge_request.can_remove_source_branch?(current_user)
  end

  def mergeable_discussions_state
    # This avoids calling MergeRequest#mergeable_discussions_state without
    # considering the state of the MR first. If a MR isn't mergeable, we can
    # safely short-circuit it.
    if merge_request.mergeable_state?(skip_ci_check: true, skip_discussions_check: true)
      merge_request.mergeable_discussions_state?
    else
      false
    end
  end

  def web_url
    Gitlab::UrlBuilder.build(merge_request)
  end

  def subscribed?
    merge_request.subscribed?(current_user, merge_request.target_project)
  end

  private

  def cached_can_be_reverted?
    strong_memoize(:can_be_reverted) do
      can_be_reverted?(current_user)
    end
  end

  def conflicts
    # rubocop: disable CodeReuse/ServiceClass
    @conflicts ||= MergeRequests::Conflicts::ListService.new(merge_request)
    # rubocop: enable CodeReuse/ServiceClass
  end

  def closing_issues
    @closing_issues ||= visible_closing_issues_for(current_user)
  end

  def pipeline
    @pipeline ||= actual_head_pipeline
  end

  def issues_sentence(project, issues)
    # Sorting based on the `#123` or `group/project#123` reference will sort
    # local issues first.
    issues.map do |issue|
      issue.to_reference(project)
    end.sort.to_sentence
  end

  def user_can_fork_project?
    can?(current_user, :fork_project, project)
  end
end