BulkImports: Import Epic's labels

Import the LabelLink between the Labels and Epics.

ee/changelogs/unreleased/kassio-bulkimports-import-epic-labels.yml

+---
+title: "BulkImports: Import Epic's labels"
+merge_request: 52626
+author:
+type: changed

ee/lib/ee/bulk_imports/groups/graphql/get_epics_query.rb

@@ -42,6 +42,11 @@ module EE
                         iid
                       }
                     }
+                    labels {
+                      nodes {
+                        title
+                      }
+                    }
                   }
                 }
               }

ee/lib/ee/bulk_imports/groups/loaders/epics_loader.rb

@@ -12,7 +12,7 @@ module EE
           end
 
           def load(context, data)
-            raise NotAllowedError unless context.current_user.can?(:create_epic, context.group)
+            raise NotAllowedError unless authorized?(context)
 
             # Use `Epic` directly when creating new epics
             # instead of `Epics::CreateService` since several
@@ -20,6 +20,12 @@ module EE
             # group_id, parent, children need to be custom set
             ::Epic.create!(data)
           end
+
+          private
+
+          def authorized?(context)
+            Ability.allowed?(context.current_user, :admin_epic, context.group)
+          end
         end
       end
     end

ee/lib/ee/bulk_imports/groups/transformers/epic_attributes_transformer.rb

@@ -13,12 +13,13 @@ module EE
               .then { |data| add_author_id(context, data) }
               .then { |data| add_parent(context, data) }
               .then { |data| add_children(context, data) }
+              .then { |data| add_labels(context, data) }
           end
 
           private
 
           def add_group_id(context, data)
-            data.merge('group_id' => context.entity.namespace_id)
+            data.merge('group_id' => context.group.id)
           end
 
           def add_author_id(context, data)
@@ -27,7 +28,7 @@ module EE
 
           def add_parent(context, data)
             data.merge(
-              'parent' => context.entity.group.epics.find_by_iid(data.dig('parent', 'iid'))
+              'parent' => context.group.epics.find_by_iid(data.dig('parent', 'iid'))
             )
           end
 
@@ -35,7 +36,15 @@ module EE
             nodes = Array.wrap(data.dig('children', 'nodes'))
             children_iids = nodes.filter_map { |child| child['iid'] }
 
-            data.merge('children' => context.entity.group.epics.where(iid: children_iids)) # rubocop: disable CodeReuse/ActiveRecord
+            data.merge('children' => context.group.epics.where(iid: children_iids)) # rubocop: disable CodeReuse/ActiveRecord
+          end
+
+          def add_labels(context, data)
+            data['labels'] = data.dig('labels', 'nodes').filter_map do |node|
+              context.group.labels.find_by_title(node['title'])
+            end
+
+            data
           end
         end
       end

ee/spec/lib/ee/bulk_imports/groups/loaders/epics_loader_spec.rb

@@ -4,32 +4,46 @@ require 'spec_helper'
 
 RSpec.describe EE::BulkImports::Groups::Loaders::EpicsLoader do
   describe '#load' do
-    let(:user) { create(:user) }
-    let(:group) { create(:group) }
-    let(:bulk_import) { create(:bulk_import, user: user) }
-    let(:entity) { create(:bulk_import_entity, bulk_import: bulk_import, group: group) }
-    let(:context) { BulkImports::Pipeline::Context.new(entity) }
+    it 'creates the epic' do
+      stub_licensed_features(epics: true)
+
+      user = create(:user)
+      group = create(:group)
+      group.add_owner(user)
+
+      parent_epic = create(:epic, group: group)
+      child_epic = create(:epic, group: group)
+      label = create(:group_label, group: group)
+      bulk_import = create(:bulk_import, user: user)
+      entity = create(:bulk_import_entity, bulk_import: bulk_import, group: group)
+      context = BulkImports::Pipeline::Context.new(entity)
 
-    let(:data) do
-      {
-        'title' => 'epic1',
+      data = {
+        'title' => 'epic',
         'state' => 'opened',
         'confidential' => false,
-        'iid' => 1,
+        'iid' => 99,
         'author_id' => user.id,
-        'group_id' => group.id
+        'group_id' => group.id,
+        'parent' => parent_epic,
+        'children' => [child_epic],
+        'labels' => [
+          label
+        ]
       }
-    end
 
-    before do
-      stub_licensed_features(epics: true)
-      group.add_owner(user)
-    end
-
-    it 'creates the epic' do
       expect { subject.load(context, data) }.to change(::Epic, :count).by(1)
 
-      expect(group.epics.count).to eq(1)
+      epic = group.epics.last
+      expect(epic.group).to eq(group)
+      expect(epic.author).to eq(user)
+      expect(epic.title).to eq('epic')
+      expect(epic.state).to eq('opened')
+      expect(epic.confidential).to eq(false)
+      expect(epic.iid).to eq(99)
+      expect(epic.parent).to eq(parent_epic)
+      expect(epic.children).to contain_exactly(child_epic)
+      expect(epic.labels).to contain_exactly(label)
     end
   end
 end

ee/spec/lib/ee/bulk_imports/groups/pipelines/epics_pipeline_spec.rb

@@ -3,18 +3,18 @@
 require 'spec_helper'
 
 RSpec.describe EE::BulkImports::Groups::Pipelines::EpicsPipeline do
+  let(:cursor) { 'cursor' }
   let(:user) { create(:user) }
   let(:group) { create(:group) }
-  let(:cursor) { 'cursor' }
   let(:bulk_import) { create(:bulk_import, user: user) }
   let(:entity) do
     create(
       :bulk_import_entity,
+      group: group,
+      bulk_import: bulk_import,
       source_full_path: 'source/full/path',
       destination_name: 'My Destination Group',
-      destination_namespace: group.full_path,
-      group: group,
-      bulk_import: bulk_import
+      destination_namespace: group.full_path
     )
   end
 
@@ -104,7 +104,10 @@ RSpec.describe EE::BulkImports::Groups::Pipelines::EpicsPipeline do
       {
         'title' => 'epic1',
         'state' => 'closed',
-        'confidential' => true
+        'confidential' => true,
+        'labels' => {
+          'nodes' => []
+        }
       }
     ]
 

ee/spec/lib/ee/bulk_imports/groups/transformers/epic_attributes_transformer_spec.rb

@@ -3,69 +3,94 @@
 require 'spec_helper'
 
 RSpec.describe EE::BulkImports::Groups::Transformers::EpicAttributesTransformer do
-  describe '#transform' do
-    let(:user) { create(:user) }
-    let(:group) { create(:group, name: 'My Source Group') }
-    let(:entity) do
-      instance_double(
-        BulkImports::Entity,
-        group: group,
-        namespace_id: group.id
-      )
-    end
+  let(:user) { create(:user) }
+  let(:group) { create(:group) }
+  let(:bulk_import) { create(:bulk_import, user: user) }
+  let(:entity) { create(:bulk_import_entity, bulk_import: bulk_import, group: group) }
+  let(:context) { ::BulkImports::Pipeline::Context.new(entity) }
 
-    let(:context) do
-      instance_double(
-        BulkImports::Pipeline::Context,
-        current_user: user,
-        entity: entity
-      )
-    end
+  describe '#transform' do
+    it 'transforms the epic attributes' do
+      transformed = subject.transform(context, epic_data)
 
-    let(:data) do
-      {
-        'iid' => '7',
-        'title' => 'Epic Title',
-        'description' => 'Epic Description',
+      expect(transformed).to eq({
+        'title' => 'title',
+        'description' => 'description',
         'state' => 'opened',
-        'parent' => {
-          'iid' => parent_iid
-        },
-        'children' => {
-          'nodes' => [
-            {
-              'iid' => child_iid
-            }
-          ]
-        }
-      }
+        'create_at' => '2021-01-27T03:42:30Z',
+        'closed_at' => nil,
+        'start_date' => nil,
+        'start_date_fixed' => nil,
+        'start_date_is_fixed' => false,
+        'due_date_fixed' => nil,
+        'due_date_is_fixed' => false,
+        'relative_position' => 1073716855,
+        'confidential' => false,
+        'group_id' => group.id,
+        'author_id' => user.id,
+        'parent' => nil,
+        'children' => [],
+        'labels' => []
+      })
     end
 
-    context 'when parent and child iids are nil' do
-      let(:parent_iid) { nil }
-      let(:child_iid) { nil }
+    context 'labels' do
+      it 'maps the existing labels' do
+        label = create(:group_label, group: group)
+        data = epic_data(labels_titles: [label.title, 'NON EXISTING TITLE'])
 
-      it 'sets group_id, author_id from context' do
         transformed_data = subject.transform(context, data)
 
-        expect(transformed_data['group_id']).to eq(group.id)
-        expect(transformed_data['author_id']).to eq(user.id)
-        expect(transformed_data['parent']).to be_nil
+        expect(transformed_data['labels'].to_a).to contain_exactly(label)
       end
     end
 
-    context 'when parent and child iids are present' do
-      let(:parent) { create(:epic, group: group) }
-      let(:child) { create(:epic, group: group) }
-      let(:parent_iid) { parent.iid }
-      let(:child_iid) { child.iid }
+    context 'parent and children epics' do
+      it 'sets parent and child epics when they exist' do
+        parent = create(:epic, group: group)
+        child = create(:epic, group: group)
+        data = epic_data(parent_iid: parent.iid, children_iids: [child.iid])
 
-      it 'sets parent and child epics' do
         transformed_data = subject.transform(context, data)
 
         expect(transformed_data['parent']).to eq(parent)
         expect(transformed_data['children']).to contain_exactly(child)
       end
+
+      it 'removes the parent and children id when they dont exist' do
+        data = epic_data(parent_iid: 9998, children_iids: [9999])
+
+        transformed_data = subject.transform(context, data)
+
+        expect(transformed_data['parent']).to be_nil
+        expect(transformed_data['children']).to be_empty
+      end
+    end
+
+    def epic_data(parent_iid: nil, children_iids: [], labels_titles: [])
+      {
+        'title' => 'title',
+        'description' => 'description',
+        'state' => 'opened',
+        'create_at' => '2021-01-27T03:42:30Z',
+        'closed_at' => nil,
+        'start_date' => nil,
+        'start_date_fixed' => nil,
+        'start_date_is_fixed' => false,
+        'due_date_fixed' => nil,
+        'due_date_is_fixed' => false,
+        'relative_position' => 1073716855,
+        'confidential' => false,
+        'parent' => {
+          'iid' => parent_iid
+        },
+        'children' => {
+          'nodes' => children_iids.map { |iid| { 'iid' => iid } }
+        },
+        'labels' => {
+          'nodes' => labels_titles.map { |title| { 'title' => title } }
+        }
+      }
     end
   end
 end