Add group milestones API endpoint

doc/api/README.md

@@ -29,7 +29,8 @@ following locations:
 - [Keys](keys.md)
 - [Labels](labels.md)
 - [Merge Requests](merge_requests.md)
-- [Milestones](milestones.md)
+- [Project milestones](milestones.md)
+- [Group milestones](group_milestones.md)
 - [Namespaces](namespaces.md)
 - [Notes](notes.md) (comments)
 - [Notification settings](notification_settings.md)

doc/api/group_milestones.md

+# Group milestones API
+
+## List group milestones
+
+Returns a list of group milestones.
+
+```
+GET /groups/:id/milestones
+GET /groups/:id/milestones?iids=42
+GET /groups/:id/milestones?iids[]=42&iids[]=43
+GET /groups/:id/milestones?state=active
+GET /groups/:id/milestones?state=closed
+GET /groups/:id/milestones?search=version
+```
+
+Parameters:
+
+| Attribute | Type | Required | Description |
+| --------- | ---- | -------- | ----------- |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the group](README.md#namespaced-path-encoding) owned by the authenticated user |
+| `iids` | Array[integer] | optional | Return only the milestones having the given `iids` |
+| `state` | string | optional | Return only `active` or `closed` milestones` |
+| `search` | string | optional | Return only milestones with a title or description matching the provided string |
+
+```bash
+curl --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" https://gitlab.example.com/api/v4/groups/5/milestones
+```
+
+Example Response:
+
+```json
+[
+  {
+    "id": 12,
+    "iid": 3,
+    "group_id": 16,
+    "title": "10.0",
+    "description": "Version",
+    "due_date": "2013-11-29",
+    "start_date": "2013-11-10",
+    "state": "active",
+    "updated_at": "2013-10-02T09:24:18Z",
+    "created_at": "2013-10-02T09:24:18Z"
+  }
+]
+```
+
+
+## Get single milestone
+
+Gets a single group milestone.
+
+```
+GET /groups/:id/milestones/:milestone_id
+```
+
+Parameters:
+
+- `id` (required) - The ID or [URL-encoded path of the group](README.md#namespaced-path-encoding) owned by the authenticated user
+- `milestone_id` (required) - The ID of the group milestone
+
+## Create new milestone
+
+Creates a new group milestone.
+
+```
+POST /groups/:id/milestones
+```
+
+Parameters:
+
+- `id` (required) - The ID or [URL-encoded path of the group](README.md#namespaced-path-encoding) owned by the authenticated user
+- `title` (required) - The title of an milestone
+- `description` (optional) - The description of the milestone
+- `due_date` (optional) - The due date of the milestone
+- `start_date` (optional) - The start date of the milestone
+
+## Edit milestone
+
+Updates an existing group milestone.
+
+```
+PUT /groups/:id/milestones/:milestone_id
+```
+
+Parameters:
+
+- `id` (required) - The ID or [URL-encoded path of the group](README.md#namespaced-path-encoding) owned by the authenticated user
+- `milestone_id` (required) - The ID of a group milestone
+- `title` (optional) - The title of a milestone
+- `description` (optional) - The description of a milestone
+- `due_date` (optional) - The due date of the milestone
+- `start_date` (optional) - The start date of the milestone
+- `state_event` (optional) - The state event of the milestone (close|activate)
+
+## Get all issues assigned to a single milestone
+
+Gets all issues assigned to a single group milestone.
+
+```
+GET /groups/:id/milestones/:milestone_id/issues
+```
+
+Parameters:
+
+- `id` (required) - The ID or [URL-encoded path of the group](README.md#namespaced-path-encoding) owned by the authenticated user
+- `milestone_id` (required) - The ID of a group milestone
+
+## Get all merge requests assigned to a single milestone
+
+Gets all merge requests assigned to a single group milestone.
+
+```
+GET /groups/:id/milestones/:milestone_id/merge_requests
+```
+
+Parameters:
+
+- `id` (required) - The ID or [URL-encoded path of the group](README.md#namespaced-path-encoding) owned by the authenticated user
+- `milestone_id` (required) - The ID of a group milestone

lib/api/api.rb

@@ -109,7 +109,8 @@ module API
     mount ::API::Members
     mount ::API::MergeRequestDiffs
     mount ::API::MergeRequests
-    mount ::API::Milestones
+    mount ::API::ProjectMilestones
+    mount ::API::GroupMilestones
     mount ::API::Namespaces
     mount ::API::Notes
     mount ::API::NotificationSettings

lib/api/entities.rb

@@ -269,8 +269,8 @@ module API
 
     class Milestone < Grape::Entity
       expose :id, :iid
-      expose(:project_id) { |entity| entity&.project_id }
-      expose(:group_id) { |entity| entity&.group_id }
+      expose :project_id, if: -> (entity, options) { entity&.project_id }
+      expose :group_id, if: -> (entity, options) { entity&.group_id }
       expose :title, :description
       expose :state, :created_at, :updated_at
       expose :due_date

lib/api/group_milestones.rb

+module API
+  class GroupMilestones < Grape::API
+    include MilestoneResponses
+    include PaginationParams
+
+    before do
+      authenticate!
+    end
+
+    params do
+      requires :id, type: String, desc: 'The ID of a group'
+    end
+    resource :groups, requirements: { id: %r{[^/]+} } do
+      desc 'Get a list of group milestones' do
+        success Entities::Milestone
+      end
+      params do
+        use :list_params
+      end
+      get ":id/milestones" do
+        list_milestones_for(user_group)
+      end
+
+      desc 'Get a single group milestone' do
+        success Entities::Milestone
+      end
+      params do
+        requires :milestone_id, type: Integer, desc: 'The ID of a group milestone'
+      end
+      get ":id/milestones/:milestone_id" do
+        authorize! :read_group, user_group
+
+        get_milestone_for(user_group)
+      end
+
+      desc 'Create a new group milestone' do
+        success Entities::Milestone
+      end
+      params do
+        requires :title, type: String, desc: 'The title of the milestone'
+        use :optional_params
+      end
+      post ":id/milestones" do
+        authorize! :admin_milestones, user_group
+
+        create_milestone_for(user_group)
+      end
+
+      desc 'Update an existing group milestone' do
+        success Entities::Milestone
+      end
+      params do
+        use :update_params
+      end
+      put ":id/milestones/:milestone_id" do
+        authorize! :admin_milestones, user_group
+
+        update_milestone_for(user_group)
+      end
+
+      desc 'Get all issues for a single group milestone' do
+        success Entities::IssueBasic
+      end
+      params do
+        requires :milestone_id, type: Integer, desc: 'The ID of a group milestone'
+        use :pagination
+      end
+      get ":id/milestones/:milestone_id/issues" do
+        milestone_issuables_for(user_group, :issue)
+      end
+
+      desc 'Get all merge requests for a single group milestone' do
+        detail 'This feature was introduced in GitLab 9.'
+        success Entities::MergeRequestBasic
+      end
+      params do
+        requires :milestone_id, type: Integer, desc: 'The ID of a group milestone'
+        use :pagination
+      end
+      get ':id/milestones/:milestone_id/merge_requests' do
+        milestone_issuables_for(user_group, :merge_request)
+      end
+    end
+  end
+end

lib/api/helpers.rb

@@ -25,6 +25,10 @@ module API
       initial_current_user != current_user
     end
 
+    def user_group
+      @group ||= find_group!(params[:id])
+    end
+
     def user_project
       @project ||= find_project!(params[:id])
     end

lib/api/milestone_responses.rb

+module API
+  module MilestoneResponses
+    extend ActiveSupport::Concern
+
+    included do
+      helpers do
+        params :optional_params do
+          optional :description, type: String, desc: 'The description of the milestone'
+          optional :due_date, type: String, desc: 'The due date of the milestone. The ISO 8601 date format (%Y-%m-%d)'
+          optional :start_date, type: String, desc: 'The start date of the milestone. The ISO 8601 date format (%Y-%m-%d)'
+        end
+
+        params :list_params do
+          optional :state, type: String, values: %w[active closed all], default: 'all',
+                           desc: 'Return "active", "closed", or "all" milestones'
+          optional :iids, type: Array[Integer], desc: 'The IIDs of the milestones'
+          optional :search, type: String, desc: 'The search criteria for the title or description of the milestone'
+          use :pagination
+        end
+
+        params :update_params do
+          requires :milestone_id, type: Integer, desc: 'The milestone ID number'
+          optional :title, type: String, desc: 'The title of the milestone'
+          optional :state_event, type: String, values: %w[close activate],
+                                 desc: 'The state event of the milestone '
+          use :optional_params
+          at_least_one_of :title, :description, :due_date, :state_event
+        end
+
+        def list_milestones_for(parent)
+          milestones = parent.milestones
+          milestones = Milestone.filter_by_state(milestones, params[:state])
+          milestones = filter_by_iid(milestones, params[:iids]) if params[:iids].present?
+          milestones = filter_by_search(milestones, params[:search]) if params[:search]
+
+          present paginate(milestones), with: Entities::Milestone
+        end
+
+        def get_milestone_for(parent)
+          milestone = parent.milestones.find(params[:milestone_id])
+          present milestone, with: Entities::Milestone
+        end
+
+        def create_milestone_for(parent)
+          milestone = ::Milestones::CreateService.new(parent, current_user, declared_params).execute
+
+          if milestone.valid?
+            present milestone, with: Entities::Milestone
+          else
+            render_api_error!("Failed to create milestone #{milestone.errors.messages}", 400)
+          end
+        end
+
+        def update_milestone_for(parent)
+          milestone = parent.milestones.find(params.delete(:milestone_id))
+
+          milestone_params = declared_params(include_missing: false)
+          milestone = ::Milestones::UpdateService.new(parent, current_user, milestone_params).execute(milestone)
+
+          if milestone.valid?
+            present milestone, with: Entities::Milestone
+          else
+            render_api_error!("Failed to update milestone #{milestone.errors.messages}", 400)
+          end
+        end
+
+        def milestone_issuables_for(parent, type)
+          milestone = parent.milestones.find(params[:milestone_id])
+
+          finder_klass, entity = get_finder_and_entity(type)
+
+          params = build_finder_params(milestone, parent)
+
+          issuables = finder_klass.new(current_user, params).execute
+          present paginate(issuables), with: entity, current_user: current_user
+        end
+
+        def build_finder_params(milestone, parent)
+          finder_params = { milestone_title: milestone.title, sort: 'label_priority' }
+
+          if parent.is_a?(Group)
+            finder_params.merge(group_id: parent.id)
+          else
+            finder_params.merge(project_id: parent.id)
+          end
+        end
+
+        def get_finder_and_entity(type)
+          if type == :issue
+            [IssuesFinder, Entities::IssueBasic]
+          else
+            [MergeRequestsFinder, Entities::MergeRequestBasic]
+          end
+        end
+      end
+    end
+  end
+end

lib/api/milestones.rb → lib/api/project_milestones.rb

 module API
-  class Milestones < Grape::API
+  class ProjectMilestones < Grape::API
     include PaginationParams
+    include MilestoneResponses
 
-    before { authenticate! }
-
-    helpers do
-      def filter_milestones_state(milestones, state)
-        case state
-        when 'active' then milestones.active
-        when 'closed' then milestones.closed
-        else milestones
-        end
-      end
-
-      params :optional_params do
-        optional :description, type: String, desc: 'The description of the milestone'
-        optional :due_date, type: String, desc: 'The due date of the milestone. The ISO 8601 date format (%Y-%m-%d)'
-        optional :start_date, type: String, desc: 'The start date of the milestone. The ISO 8601 date format (%Y-%m-%d)'
-      end
+    before do
+      authenticate!
     end
 
     params do
@@ -28,21 +15,12 @@ module API
         success Entities::Milestone
       end
       params do
-        optional :state, type: String, values: %w[active closed all], default: 'all',
-                         desc: 'Return "active", "closed", or "all" milestones'
-        optional :iids, type: Array[Integer], desc: 'The IIDs of the milestones'
-        optional :search, type: String, desc: 'The search criteria for the title or description of the milestone'
-        use :pagination
+        use :list_params
       end
       get ":id/milestones" do
         authorize! :read_milestone, user_project
 
-        milestones = user_project.milestones
-        milestones = filter_milestones_state(milestones, params[:state])
-        milestones = filter_by_iid(milestones, params[:iids]) if params[:iids].present?
-        milestones = filter_by_search(milestones, params[:search]) if params[:search]
-
-        present paginate(milestones), with: Entities::Milestone
+        list_milestones_for(user_project)
       end
 
       desc 'Get a single project milestone' do
@@ -54,8 +32,7 @@ module API
       get ":id/milestones/:milestone_id" do
         authorize! :read_milestone, user_project
 
-        milestone = user_project.milestones.find(params[:milestone_id])
-        present milestone, with: Entities::Milestone
+        get_milestone_for(user_project)
       end
 
       desc 'Create a new project milestone' do
@@ -68,38 +45,19 @@ module API
       post ":id/milestones" do
         authorize! :admin_milestone, user_project
 
-        milestone = ::Milestones::CreateService.new(user_project, current_user, declared_params).execute
-
-        if milestone.valid?
-          present milestone, with: Entities::Milestone
-        else
-          render_api_error!("Failed to create milestone #{milestone.errors.messages}", 400)
-        end
+        create_milestone_for(user_project)
       end
 
       desc 'Update an existing project milestone' do
         success Entities::Milestone
       end
       params do
-        requires :milestone_id, type: Integer, desc: 'The ID of a project milestone'
-        optional :title, type: String, desc: 'The title of the milestone'
-        optional :state_event, type: String, values: %w[close activate],
-                               desc: 'The state event of the milestone '
-        use :optional_params
-        at_least_one_of :title, :description, :due_date, :state_event
+        use :update_params
       end
       put ":id/milestones/:milestone_id" do
         authorize! :admin_milestone, user_project
-        milestone = user_project.milestones.find(params.delete(:milestone_id))
 
-        milestone_params = declared_params(include_missing: false)
-        milestone = ::Milestones::UpdateService.new(user_project, current_user, milestone_params).execute(milestone)
-
-        if milestone.valid?
-          present milestone, with: Entities::Milestone
-        else
-          render_api_error!("Failed to update milestone #{milestone.errors.messages}", 400)
-        end
+        update_milestone_for(user_project)
       end
 
       desc 'Get all issues for a single project milestone' do
@@ -112,16 +70,7 @@ module API
       get ":id/milestones/:milestone_id/issues" do
         authorize! :read_milestone, user_project
 
-        milestone = user_project.milestones.find(params[:milestone_id])
-
-        finder_params = {
-          project_id: user_project.id,
-          milestone_title: milestone.title,
-          sort: 'label_priority'
-        }
-
-        issues = IssuesFinder.new(current_user, finder_params).execute
-        present paginate(issues), with: Entities::IssueBasic, current_user: current_user, project: user_project
+        milestone_issuables_for(user_project, :issue)
       end
 
       desc 'Get all merge requests for a single project milestone' do
@@ -135,19 +84,7 @@ module API
       get ':id/milestones/:milestone_id/merge_requests' do
         authorize! :read_milestone, user_project
 
-        milestone = user_project.milestones.find(params[:milestone_id])
-
-        finder_params = {
-          project_id: user_project.id,
-          milestone_title: milestone.title,
-          sort: 'label_priority'
-        }
-
-        merge_requests = MergeRequestsFinder.new(current_user, finder_params).execute
-        present paginate(merge_requests),
-          with: Entities::MergeRequestBasic,
-          current_user: current_user,
-          project: user_project
+        milestone_issuables_for(user_project, :merge_request)
       end
     end
   end

spec/requests/api/group_milestones_spec.rb

+require 'spec_helper'
+
+describe API::GroupMilestones do
+  let(:user) { create(:user) }
+  let(:group) { create(:group, :private) }
+  let(:project) { create(:empty_project, namespace: group) }
+  let!(:group_member) { create(:group_member, group: group, user: user) }
+  let!(:closed_milestone) { create(:closed_milestone, group: group, title: 'version1', description: 'closed milestone') }
+  let!(:milestone) { create(:milestone, group: group, title: 'version2', description: 'open milestone') }
+
+  it_behaves_like 'group and project milestones', "/groups/:id/milestones"  do
+    let(:route) { "/groups/#{group.id}/milestones" }
+  end
+
+  def setup_for_group
+    context_group.update(visibility_level: Gitlab::VisibilityLevel::PUBLIC)
+    context_group.add_developer(user)
+    public_project.update(namespace: context_group)
+    context_group.reload
+  end
+end

spec/requests/api/project_milestones_spec.rb

+require 'spec_helper'
+
+describe API::ProjectMilestones do
+  let(:user) { create(:user) }
+  let!(:project) { create(:empty_project, namespace: user.namespace ) }
+  let!(:closed_milestone) { create(:closed_milestone, project: project, title: 'version1', description: 'closed milestone') }
+  let!(:milestone) { create(:milestone, project: project, title: 'version2', description: 'open milestone') }
+
+  before do
+    project.team << [user, :developer]
+  end
+
+  it_behaves_like 'group and project milestones', "/projects/:id/milestones"  do
+    let(:route) { "/projects/#{project.id}/milestones" }
+  end
+
+  describe 'PUT /projects/:id/milestones/:milestone_id to test observer on close' do
+    it 'creates an activity event when an milestone is closed' do
+      expect(Event).to receive(:create)
+
+      put api("/projects/#{project.id}/milestones/#{milestone.id}", user),
+          state_event: 'close'
+    end
+  end
+end