Add endpoints for Award Emoji

This only supports Issues and MergeRequests right now because of the
consistency of the routes those models provide.

5 files changed, 256 insertions, 1 deletions

diff --git a/lib/api/api.rb b/lib/api/api.rb
index 51ddd0dbfc4..7944c80cf7a 100644
--- a/lib/api/api.rb
+++ b/lib/api/api.rb
@@ -36,6 +36,7 @@ module API
     mount ::API::Session
     mount ::API::MergeRequests
     mount ::API::Notes
+    mount ::API::AwardEmoji
     mount ::API::Internal
     mount ::API::SystemHooks
     mount ::API::ProjectSnippets
diff --git a/lib/api/award_emoji.rb b/lib/api/award_emoji.rb
new file mode 100644
index 00000000000..26b30d30163
--- /dev/null
+++ b/lib/api/award_emoji.rb
@@ -0,0 +1,97 @@
+module API
+  class AwardEmoji < Grape::API
+    before { authenticate! }
+
+    AWARDABLES = [Issue, MergeRequest]
+
+    resource :projects do
+      AWARDABLES.each do |awardable_type|
+        awardable_string = awardable_type.to_s.underscore.pluralize
+        awardable_id_string = "#{awardable_type.to_s.underscore}_id"
+
+        # Get a list of project +awardable+ award emoji
+        #
+        # Parameters:
+        #   id (required)           - The ID of a project
+        #   awardable_id (required) - The ID of an issue or MR
+        # Example Request:
+        #   GET /projects/:id/issues/:awardable_id/award_emoji
+        get ":id/#{awardable_string}/:#{awardable_id_string}/award_emoji" do
+          awardable = user_project.send(awardable_string.to_sym).find(params[awardable_id_string.to_sym])
+
+          if can?(current_user, awardable_read_ability_name(awardable), awardable)
+            awards = paginate(awardable.award_emoji)
+            present awards, with: Entities::AwardEmoji
+          else
+            not_found!("Award Emoji")
+          end
+        end
+
+        # Get a specific award emoji
+        #
+        # Parameters:
+        #   id (required)           - The ID of a project
+        #   awardable_id (required) - The ID of an issue or MR
+        #   award_id (required)     - The ID of the award
+        # Example Request:
+        #   GET /projects/:id/issues/:awardable_id/award_emoji/:award_id
+        get ":id/#{awardable_string}/:#{awardable_id_string}/award_emoji/:award_id" do
+          awardable = user_project.send(awardable_string.to_sym).find(params[awardable_id_string.to_sym])
+
+          if can?(current_user, awardable_read_ability_name(awardable), awardable)
+            present awardable.award_emoji.find(params[:award_id]), with: Entities::AwardEmoji
+          else
+            not_found!("Award Emoji")
+          end
+        end
+
+        # Award a new Emoji
+        #
+        # Parameters:
+        #   id (required) - The ID of a project
+        #   noteable_id (required) - The ID of an issue or snippet
+        #   name (required) - The name of a award_emoji (without colons)
+        # Example Request:
+        #   POST /projects/:id/issues/:noteable_id/notes
+        #   POST /projects/:id/snippets/:noteable_id/notes
+        post ":id/#{awardable_string}/:#{awardable_id_string}/award_emoji" do
+          required_attributes! [:name]
+
+          awardable = user_project.send(awardable_string.to_sym).find(params[awardable_id_string.to_sym])
+          not_found!('Award Emoji') unless can?(current_user, awardable_read_ability_name(awardable), awardable)
+
+          award = awardable.award_emoji.new(name: params[:name], user: current_user)
+
+          if award.save
+            present award, with: Entities::AwardEmoji
+          else
+            not_found!("Award Emoji #{award.errors.messages}")
+          end
+        end
+
+        # Delete a +awardables+ award emoji
+        #
+        # Parameters:
+        #   id (required) - The ID of a project
+        #   awardable_id (required) - The ID of an issue or MR
+        #   award_emoji_id (required) - The ID of an award emoji
+        # Example Request:
+        #   DELETE /projects/:id/issues/:noteable_id/notes/:note_id
+        delete ":id/#{awardable_string}/:#{awardable_id_string}/award_emoji/:award_id" do
+          awardable = user_project.send(awardable_string.to_sym).find(params[awardable_id_string.to_sym])
+          award = awardable.award_emoji.find(params[:award_id])
+
+          unauthorized! unless award.user == current_user || current_user.admin?
+
+          award.destroy
+          present award, with: Entities::AwardEmoji
+        end
+      end
+    end
+    helpers do
+      def awardable_read_ability_name(awardable)
+        "read_#{awardable.class.to_s.underscore.downcase}".to_sym
+      end
+    end
+  end
+end
diff --git a/lib/api/entities.rb b/lib/api/entities.rb
index cc29c7ef428..2e397643ed1 100644
--- a/lib/api/entities.rb
+++ b/lib/api/entities.rb
@@ -225,6 +225,14 @@ module API
       expose(:downvote?)  { |note| false }
     end
 
+    class AwardEmoji < Grape::Entity
+      expose :id
+      expose :name
+      expose :user, using: Entities::UserBasic
+      expose :created_at, :updated_at
+      expose :awardable_id, :awardable_type
+    end
+
     class MRNote < Grape::Entity
       expose :note
       expose :author, using: Entities::UserBasic
diff --git a/lib/api/issues.rb b/lib/api/issues.rb
index 4c43257c48a..aa0b9ca3957 100644
--- a/lib/api/issues.rb
+++ b/lib/api/issues.rb
@@ -1,6 +1,6 @@
 module API
   # Issues API
-  class Issues < Grape::API
+  class Issues < Grape::API    
     before { authenticate! }
 
     helpers ::Gitlab::AkismetHelper
diff --git a/spec/requests/api/award_emoji_spec.rb b/spec/requests/api/award_emoji_spec.rb
new file mode 100644
index 00000000000..49964cb51de
--- /dev/null
+++ b/spec/requests/api/award_emoji_spec.rb
@@ -0,0 +1,149 @@
+require 'spec_helper'
+
+describe API::API, api: true  do
+  include ApiHelpers
+  let(:user)            { create(:user) }
+  let!(:project)        { create(:project) }
+  let(:issue)           { create(:issue, project: project, author: user) }
+  let!(:award_emoji)     { create(:award_emoji, awardable: issue, user: user) }
+  let!(:merge_request)   { create(:merge_request, source_project: project, target_project: project) }
+  let!(:downvote)        { create(:award_emoji, :downvote, awardable: merge_request, user: user) }
+
+  before { project.team << [user, :master] }
+
+  describe "GET /projects/:id/awardable/:awardable_id/award_emoji" do
+    context 'on an issue' do
+      it "returns an array of award_emoji" do
+        get api("/projects/#{project.id}/issues/#{issue.id}/award_emoji", user)
+
+        expect(response.status).to eq(200)
+        expect(json_response).to be_an Array
+        expect(json_response.first['name']).to eq(award_emoji.name)
+      end
+
+      it "should return a 404 error when issue id not found" do
+        get api("/projects/#{project.id}/issues/12345/award_emoji", user)
+
+        expect(response.status).to eq(404)
+      end
+    end
+
+    context 'on a merge request' do
+      it "returns an array of award_emoji" do
+        get api("/projects/#{project.id}/merge_requests/#{merge_request.id}/award_emoji", user)
+
+        expect(response.status).to eq(200)
+        expect(json_response).to be_an Array
+        expect(json_response.first['name']).to eq(downvote.name)
+      end
+    end
+
+    context 'when the user has no access' do
+      it 'returns a status code 404' do
+        user1 = create(:user)
+
+        get api("/projects/#{project.id}/merge_requests/#{merge_request.id}/award_emoji", user1)
+
+        expect(response.status).to eq(404)
+      end
+    end
+  end
+
+  describe "GET /projects/:id/awardable/:awardable_id/award_emoji/:award_id" do
+    context 'on an issue' do
+      it "returns the award emoji" do
+        get api("/projects/#{project.id}/issues/#{issue.id}/award_emoji/#{award_emoji.id}", user)
+
+        expect(response.status).to eq(200)
+        expect(json_response['name']).to eq(award_emoji.name)
+        expect(json_response['awardable_id']).to eq(issue.id)
+        expect(json_response['awardable_type']).to eq("Issue")
+      end
+
+      it "returns a 404 error if the award is not found" do
+        get api("/projects/#{project.id}/issues/#{issue.id}/award_emoji/12345", user)
+
+        expect(response.status).to eq(404)
+      end
+    end
+
+    context 'on a merge request' do
+      it 'returns the award emoji' do
+        get api("/projects/#{project.id}/merge_requests/#{merge_request.id}/award_emoji/#{downvote.id}", user)
+
+        expect(response.status).to eq(200)
+        expect(json_response['name']).to eq(downvote.name)
+        expect(json_response['awardable_id']).to eq(issue.id)
+        expect(json_response['awardable_type']).to eq("MergeRequest")
+      end
+    end
+
+    context 'when the user has no access' do
+      it 'returns a status code 404' do
+        user1 = create(:user)
+
+        get api("/projects/#{project.id}/merge_requests/#{merge_request.id}/award_emoji/#{downvote.id}", user1)
+
+        expect(response.status).to eq(404)
+      end
+    end
+  end
+
+  describe "POST /projects/:id/awardable/:awardable_id/award_emoji" do
+    context "on an issue" do
+      it "creates a new award emoji" do
+        post api("/projects/#{project.id}/issues/#{issue.id}/award_emoji", user), name: 'blowfish'
+
+        expect(response.status).to eq(201)
+        expect(json_response['name']).to eq('blowfish')
+        expect(json_response['user']['username']).to eq(user.username)
+      end
+
+      it "should return a 400 bad request error if the name is not given" do
+        post api("/projects/#{project.id}/issues/#{issue.id}/award_emoji", user)
+
+        expect(response.status).to eq(400)
+      end
+
+      it "should return a 401 unauthorized error if the user is not authenticated" do
+        post api("/projects/#{project.id}/issues/#{issue.id}/award_emoji"), name: 'thumbsup'
+
+        expect(response.status).to eq(401)
+      end
+    end
+  end
+
+  describe 'DELETE /projects/:id/awardable/:awardable_id/award_emoji/:award_emoji_id' do
+    context 'when the awardable is an Issue' do
+      it 'deletes the award' do
+        expect do
+          delete api("/projects/#{project.id}/issues/#{issue.id}/award_emoji/#{award_emoji.id}", user)
+        end.to change { issue.award_emoji.count }.from(1).to(0)
+
+        expect(response.status).to eq(200)
+      end
+
+      it 'returns a 404 error when the award emoji can not be found' do
+        delete api("/projects/#{project.id}/issues/#{issue.id}/award_emoji/12345", user)
+
+        expect(response.status).to eq(404)
+      end
+    end
+
+    context 'when the awardable is a Merge Request' do
+      it 'deletes the award' do
+        expect do
+          delete api("/projects/#{project.id}/merge_requests/#{merge_request.id}/award_emoji/#{downvote.id}", user)
+        end.to change { merge_request.award_emoji.count }.from(1).to(0)
+
+        expect(response.status).to eq(200)
+      end
+
+      it 'returns a 404 error when note id not found' do
+        delete api("/projects/#{project.id}/merge_requests/#{merge_request.id}/notes/12345", user)
+
+        expect(response.status).to eq(404)
+      end
+    end
+  end
+end