Added delete meeting mutation.

.rubocop_todo.yml

@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2018-07-09 16:29:54 -0400 using RuboCop version 0.57.2.
+# on 2018-07-09 17:47:57 -0400 using RuboCop version 0.57.2.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
@@ -11,14 +11,15 @@ Style/DateTime:
   Exclude:
     - 'spec/graphql/mutations/create_meeting_mutation_spec.rb'
 
-# Offense count: 6
+# Offense count: 7
 # Cop supports --auto-correct.
 # Configuration parameters: EnforcedStyle.
 # SupportedStyles: line_count_dependent, lambda, literal
 Style/Lambda:
   Exclude:
     - 'app/graphql/mutations/create_meeting_mutation.rb'
     - 'app/graphql/mutations/create_user_mutation.rb'
+    - 'app/graphql/mutations/delete_meeting_mutation.rb'
     - 'app/graphql/mutations/login_mutation.rb'
     - 'app/graphql/mutations/logout_mutation.rb'
     - 'app/graphql/types/query_type.rb'

app/graphql/mutations/delete_meeting_mutation.rb

@@ -0,0 +1,22 @@
+Mutations::DeleteMeetingMutation = GraphQL::Relay::Mutation.define do
+  name 'deleteMeeting'
+
+  input_field :id, !types.ID
+
+  return_field :deletedId, !types.ID
+
+  resolve ->(_object, inputs, ctx) {
+    user = ctx[:current_user]
+    if user
+      meeting = user.meetings.find(inputs[:id])
+      if meeting
+        meeting.destroy!
+        {
+          deletedId: meeting.id
+        }
+      end
+    else
+      GraphQL::ExecutionError.new('Not logged in.')
+    end
+  }
+end

app/graphql/types/mutation_type.rb

@@ -6,4 +6,5 @@
   field :logout, field: Mutations::LogoutMutation.field
 
   field :createMeeting, field: Mutations::CreateMeetingMutation.field
+  field :deleteMeeting, field: Mutations::DeleteMeetingMutation.field
 end

spec/graphql/mutations/delete_meeting_mutation_spec.rb

@@ -0,0 +1,33 @@
+require 'rails_helper'
+
+describe 'Delete Meeting', type: :request do
+  include_context 'Authenticated Client'
+
+  let!(:meeting) { Fabricate(:meeting, user: current_user) }
+
+  let(:query) do
+    <<-GRAPHQL
+      mutation($input: deleteMeetingInput!) {
+        deleteMeeting(input: $input) {
+          deletedId
+        }
+      }
+    GRAPHQL
+  end
+
+  let(:title) { Faker::Company.buzzword }
+  let(:started_at) { Faker::Time.backward(1) }
+  let(:finished_at) { Time.now }
+
+  it 'returns an meeting' do
+    expect do
+      response = client.execute(
+        query, input: {
+          id: meeting.id.to_s
+        }
+      )
+      meeting_id = response.data.delete_meeting.deleted_id
+      expect(meeting_id).to eq meeting.id.to_s
+    end.to change(Meeting, :count).by(-1)
+  end
+end