summaryrefslogtreecommitdiff
path: root/app/controllers/projects/commit_controller.rb
blob: 2e48f2f0e450943ea82da2406a36f4b60112af1e (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
# frozen_string_literal: true

# Controller for a specific Commit
#
# Not to be confused with CommitsController, plural.
class Projects::CommitController < Projects::ApplicationController
  include RendersNotes
  include CreatesCommit
  include DiffForPath
  include DiffHelper
  include SourcegraphDecorator

  # Authorize
  before_action :require_non_empty_project
  before_action :authorize_download_code!
  before_action :authorize_read_pipeline!, only: [:pipelines]
  before_action :commit
  before_action :define_commit_vars, only: [:show, :diff_for_path, :diff_files, :pipelines, :merge_requests]
  before_action :define_note_vars, only: [:show, :diff_for_path, :diff_files]
  before_action :authorize_edit_tree!, only: [:revert, :cherry_pick]

  BRANCH_SEARCH_LIMIT = 1000

  feature_category :source_code_management

  def show
    apply_diff_view_cookie!

    respond_to do |format|
      format.html do
        render
      end
      format.diff do
        send_git_diff(@project.repository, @commit.diff_refs)
      end
      format.patch do
        send_git_patch(@project.repository, @commit.diff_refs)
      end
    end
  end

  def diff_for_path
    render_diff_for_path(@commit.diffs(diff_options))
  end

  def diff_files
    render json: { html: view_to_html_string('projects/commit/diff_files', diffs: @diffs, environment: @environment) }
  end

  # rubocop: disable CodeReuse/ActiveRecord
  def pipelines
    @pipelines = @commit.pipelines.order(id: :desc)
    @pipelines = @pipelines.where(ref: params[:ref]).page(params[:page]).per(30) if params[:ref]

    respond_to do |format|
      format.html
      format.json do
        Gitlab::PollingInterval.set_header(response, interval: 10_000)

        render json: {
          pipelines: PipelineSerializer
            .new(project: @project, current_user: @current_user)
            .with_pagination(request, response)
            .represent(@pipelines),
          count: {
            all: @pipelines.count
          }
        }
      end
    end
  end
  # rubocop: enable CodeReuse/ActiveRecord

  def merge_requests
    @merge_requests = MergeRequestsFinder.new(
      current_user,
      project_id: @project.id,
      commit_sha: @commit.sha
    ).execute.map do |mr|
      { iid: mr.iid, path: merge_request_path(mr), title: mr.title }
    end

    respond_to do |format|
      format.json do
        render json: @merge_requests.to_json
      end
    end
  end

  def branches
    # branch_names_contains/tag_names_contains can take a long time when there are thousands of
    # branches/tags - each `git branch --contains xxx` request can consume a cpu core.
    # so only do the query when there are a manageable number of branches/tags
    @branches_limit_exceeded = @project.repository.branch_count > BRANCH_SEARCH_LIMIT
    @branches = @branches_limit_exceeded ? [] : @project.repository.branch_names_contains(commit.id)

    @tags_limit_exceeded = @project.repository.tag_count > BRANCH_SEARCH_LIMIT
    @tags = @tags_limit_exceeded ? [] : @project.repository.tag_names_contains(commit.id)
    render layout: false
  end

  def revert
    assign_change_commit_vars

    return render_404 if @start_branch.blank?

    @branch_name = create_new_branch? ? @commit.revert_branch_name : @start_branch

    create_commit(Commits::RevertService, success_notice: "The #{@commit.change_type_title(current_user)} has been successfully reverted.",
                                          success_path: -> { successful_change_path }, failure_path: failed_change_path)
  end

  def cherry_pick
    assign_change_commit_vars

    return render_404 if @start_branch.blank?

    @branch_name = create_new_branch? ? @commit.cherry_pick_branch_name : @start_branch

    create_commit(Commits::CherryPickService, success_notice: "The #{@commit.change_type_title(current_user)} has been successfully cherry-picked into #{@branch_name}.",
                                              success_path: -> { successful_change_path }, failure_path: failed_change_path)
  end

  private

  def create_new_branch?
    params[:create_merge_request].present? || !can?(current_user, :push_code, @project)
  end

  def successful_change_path
    referenced_merge_request_url || project_commits_url(@project, @branch_name)
  end

  def failed_change_path
    referenced_merge_request_url || project_commit_url(@project, params[:id])
  end

  def referenced_merge_request_url
    if merge_request = @commit.merged_merge_request(current_user)
      project_merge_request_url(merge_request.target_project, merge_request)
    end
  end

  def commit
    @noteable = @commit ||= @project.commit_by(oid: params[:id]).tap do |commit|
      # preload author and their status for rendering
      commit&.author&.status
    end
  end

  def define_commit_vars
    return git_not_found! unless commit

    opts = diff_options
    opts[:ignore_whitespace_change] = true if params[:format] == 'diff'

    @diffs = commit.diffs(opts)
    @notes_count = commit.notes.count

    @environment = EnvironmentsFinder.new(@project, current_user, commit: @commit, find_latest: true).execute.last
  end

  # rubocop: disable CodeReuse/ActiveRecord
  def define_note_vars
    @noteable = @commit
    @note = @project.build_commit_note(commit)

    @new_diff_note_attrs = {
      noteable_type: 'Commit',
      commit_id: @commit.id
    }

    @grouped_diff_discussions = commit.grouped_diff_discussions
    @discussions = commit.discussions

    if merge_request_iid = params[:merge_request_iid]
      @merge_request = MergeRequestsFinder.new(current_user, project_id: @project.id).find_by(iid: merge_request_iid)

      if @merge_request
        @new_diff_note_attrs.merge!(
          noteable_type: 'MergeRequest',
          noteable_id: @merge_request.id
        )

        merge_request_commit_notes = @merge_request.notes.where(commit_id: @commit.id).inc_relations_for_view
        merge_request_commit_diff_discussions = merge_request_commit_notes.grouped_diff_discussions(@commit.diff_refs)
        @grouped_diff_discussions.merge!(merge_request_commit_diff_discussions) do |line_code, left, right|
          left + right
        end
      end
    end

    @notes = (@grouped_diff_discussions.values.flatten + @discussions).flat_map(&:notes)
    @notes = prepare_notes_for_rendering(@notes, @commit)
  end
  # rubocop: enable CodeReuse/ActiveRecord

  def assign_change_commit_vars
    @start_branch = params[:start_branch]
    @commit_params = { commit: @commit }
  end
end