Re-add removed weight param on POST /projects/:id/issues

lib/api/v3/issues.rb

@@ -45,6 +45,8 @@ module API
           optional :labels, type: String, desc: 'Comma-separated list of label names'
           optional :due_date, type: String, desc: 'Date time string in the format YEAR-MONTH-DAY'
           optional :confidential, type: Boolean, desc: 'Boolean parameter if the issue should be confidential'
+          # Gitlab-EE specific
+          optional :weight, type: Integer, values: 0..9, desc: 'The weight of the issue'
         end
       end
 
@@ -169,7 +171,8 @@ module API
           optional :state_event, type: String, values: %w[reopen close], desc: 'State of the issue'
           use :issue_params
           at_least_one_of :title, :description, :assignee_id, :milestone_id,
-                          :labels, :created_at, :due_date, :confidential, :state_event
+                          :labels, :created_at, :due_date, :confidential, :state_event,
+                          :weight
         end
         put ':id/issues/:issue_id' do
           issue = user_project.issues.find(params.delete(:issue_id))

spec/requests/api/v3/issues_spec.rb

@@ -634,6 +634,7 @@ describe API::V3::Issues, api: true  do
       expect(json_response['assignee']).to be_a Hash
       expect(json_response['author']).to be_a Hash
       expect(json_response['confidential']).to be_falsy
+      expect(json_response['weight']).to be_nil
     end
 
     it "returns a project issue by id" do
@@ -717,13 +718,14 @@ describe API::V3::Issues, api: true  do
   describe "POST /projects/:id/issues" do
     it 'creates a new project issue' do
       post v3_api("/projects/#{project.id}/issues", user),
-        title: 'new issue', labels: 'label, label2'
+        title: 'new issue', labels: 'label, label2', weight: 3
 
       expect(response).to have_http_status(201)
       expect(json_response['title']).to eq('new issue')
       expect(json_response['description']).to be_nil
       expect(json_response['labels']).to eq(['label', 'label2'])
       expect(json_response['confidential']).to be_falsy
+      expect(json_response['weight']).to eq(3)
     end
 
     it 'creates a new confidential project issue' do
@@ -1093,6 +1095,38 @@ describe API::V3::Issues, api: true  do
     end
   end
 
+  describe 'PUT /projects/:id/issues/:issue_id to update weight' do
+    it 'updates an issue with no weight' do
+      put v3_api("/projects/#{project.id}/issues/#{issue.id}", user), weight: 5
+
+      expect(response).to have_http_status(200)
+      expect(json_response['weight']).to eq(5)
+    end
+
+    it 'removes a weight from an issue' do
+      weighted_issue = create(:issue, project: project, weight: 2)
+
+      put v3_api("/projects/#{project.id}/issues/#{weighted_issue.id}", user), weight: nil
+
+      expect(response).to have_http_status(200)
+      expect(json_response['weight']).to be_nil
+    end
+
+    it 'returns 400 if weight is less than minimum weight' do
+      put v3_api("/projects/#{project.id}/issues/#{issue.id}", user), weight: -1
+
+      expect(response).to have_http_status(400)
+      expect(json_response['error']).to eq('weight does not have a valid value')
+    end
+
+    it 'returns 400 if weight is more than maximum weight' do
+      put v3_api("/projects/#{project.id}/issues/#{issue.id}", user), weight: 10
+
+      expect(response).to have_http_status(400)
+      expect(json_response['error']).to eq('weight does not have a valid value')
+    end
+  end
+
   describe "DELETE /projects/:id/issues/:issue_id" do
     it "rejects a non member from deleting an issue" do
       delete v3_api("/projects/#{project.id}/issues/#{issue.id}", non_member)