summaryrefslogtreecommitdiff
path: root/lib/api/labels.rb
blob: 78ca58ad0d13462b83473724cdb169eef4673e09 (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
module API
  # Labels API
  class Labels < Grape::API
    before { authenticate! }

    resource :projects do
      # Get all labels of the project
      #
      # Parameters:
      #   id (required) - The ID of a project
      # Example Request:
      #   GET /projects/:id/labels
      get ':id/labels' do
        present user_project.labels, with: Entities::Label
      end

      # Creates a new label
      #
      # Parameters:
      #   id    (required) - The ID of a project
      #   name  (required) - The name of the label to be deleted
      #   color (required) - Color of the label given in 6-digit hex
      #                      notation with leading '#' sign (e.g. #FFAABB)
      # Example Request:
      #   POST /projects/:id/labels
      post ':id/labels' do
        authorize! :admin_label, user_project
        required_attributes! [:name, :color]

        attrs = attributes_for_keys [:name, :color]
        label = user_project.find_label(attrs[:name])

        conflict!('Label already exists') if label

        label = user_project.labels.create(attrs)

        if label.valid?
          present label, with: Entities::Label
        else
          render_validation_error!(label)
        end
      end

      # Deletes an existing label
      #
      # Parameters:
      #   id    (required) - The ID of a project
      #   name  (required) - The name of the label to be deleted
      #
      # Example Request:
      #   DELETE /projects/:id/labels
      delete ':id/labels' do
        authorize! :admin_label, user_project
        required_attributes! [:name]

        label = user_project.find_label(params[:name])
        not_found!('Label') unless label

        label.destroy
      end

      # Updates an existing label. At least one optional parameter is required.
      #
      # Parameters:
      #   id        (required) - The ID of a project
      #   name      (required) - The name of the label to be deleted
      #   new_name  (optional) - The new name of the label
      #   color     (optional) - Color of the label given in 6-digit hex
      #                          notation with leading '#' sign (e.g. #FFAABB)
      # Example Request:
      #   PUT /projects/:id/labels
      put ':id/labels' do
        authorize! :admin_label, user_project
        required_attributes! [:name]

        label = user_project.find_label(params[:name])
        not_found!('Label not found') unless label

        attrs = attributes_for_keys [:new_name, :color]

        if attrs.empty?
          render_api_error!('Required parameters "new_name" or "color" ' \
                            'missing',
                            400)
        end

        # Rename new name to the actual label attribute name
        attrs[:name] = attrs.delete(:new_name) if attrs.key?(:new_name)

        if label.update(attrs)
          present label, with: Entities::Label
        else
          render_validation_error!(label)
        end
      end
    end
  end
end