summaryrefslogtreecommitdiff
path: root/app/controllers/concerns/creates_commit.rb
blob: b3777fd2b0f30e0c1ef7c4d4796ccccbafd23063 (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
# frozen_string_literal: true

module CreatesCommit
  extend ActiveSupport::Concern
  include Gitlab::Utils::StrongMemoize

  # rubocop:disable Gitlab/ModuleWithInstanceVariables
  def create_commit(service, success_path:, failure_path:, failure_view: nil, success_notice: nil)
    if user_access(@project).can_push_to_branch?(branch_name_or_ref)
      @project_to_commit_into = @project
      @branch_name ||= @ref
    else
      @project_to_commit_into = current_user.fork_of(@project)
      @branch_name ||= @project_to_commit_into.repository.next_branch('patch')
    end

    @start_branch ||= @ref || @branch_name

    commit_params = @commit_params.merge(
      start_project: @project,
      start_branch: @start_branch,
      branch_name: @branch_name
    )

    result = service.new(@project_to_commit_into, current_user, commit_params).execute

    if result[:status] == :success
      update_flash_notice(success_notice)

      success_path = final_success_path(success_path)

      respond_to do |format|
        format.html { redirect_to success_path }
        format.json { render json: { message: "success", filePath: success_path } }
      end
    else
      flash[:alert] = result[:message]
      failure_path = failure_path.call if failure_path.respond_to?(:call)

      respond_to do |format|
        format.html do
          if failure_view
            render failure_view
          else
            redirect_to failure_path
          end
        end
        format.json { render json: { message: "failed", filePath: failure_path } }
      end
    end
  end
  # rubocop:enable Gitlab/ModuleWithInstanceVariables

  def authorize_edit_tree!
    return if can_collaborate_with_project?(project, ref: branch_name_or_ref)

    access_denied!
  end

  private

  def update_flash_notice(success_notice)
    flash[:notice] = success_notice || "Your changes have been successfully committed."

    if create_merge_request?
      if merge_request_exists?
        flash[:notice] = nil
      else
        target = different_project? ? "project" : "branch"
        flash[:notice] = flash[:notice] + " You can now submit a merge request to get this change into the original #{target}."
      end
    end
  end

  def final_success_path(success_path)
    if create_merge_request?
      merge_request_exists? ? existing_merge_request_path : new_merge_request_path
    else
      success_path = success_path.call if success_path.respond_to?(:call)

      success_path
    end
  end

  # rubocop:disable Gitlab/ModuleWithInstanceVariables
  def new_merge_request_path
    project_new_merge_request_path(
      @project_to_commit_into,
      merge_request: {
        source_project_id: @project_to_commit_into.id,
        target_project_id: @project.id,
        source_branch: @branch_name,
        target_branch: @start_branch
      }
    )
  end
  # rubocop:enable Gitlab/ModuleWithInstanceVariables

  def existing_merge_request_path
    project_merge_request_path(@project, @merge_request) # rubocop:disable Gitlab/ModuleWithInstanceVariables
  end

  # rubocop:disable Gitlab/ModuleWithInstanceVariables
  # rubocop: disable CodeReuse/ActiveRecord
  def merge_request_exists?
    strong_memoize(:merge_request) do
      MergeRequestsFinder.new(current_user, project_id: @project.id)
        .execute
        .opened
        .find_by(
          source_project_id: @project_to_commit_into,
          source_branch: @branch_name,
          target_branch: @start_branch)
    end
  end
  # rubocop: enable CodeReuse/ActiveRecord
  # rubocop:enable Gitlab/ModuleWithInstanceVariables

  def different_project?
    @project_to_commit_into != @project # rubocop:disable Gitlab/ModuleWithInstanceVariables
  end

  def create_merge_request?
    # Even if the field is set, if we're checking the same branch
    # as the target branch in the same project,
    # we don't want to create a merge request.
    params[:create_merge_request].present? &&
      (different_project? || @start_branch != @branch_name) # rubocop:disable Gitlab/ModuleWithInstanceVariables
  end

  def branch_name_or_ref
    @branch_name || @ref # rubocop:disable Gitlab/ModuleWithInstanceVariables
  end
end