Remove orphaned notifications, add scopes param to app create API

app/controllers/api/v1/apps_controller.rb

@@ -4,6 +4,6 @@ class Api::V1::AppsController < ApiController
   respond_to :json
 
   def create
-    @app = Doorkeeper::Application.create!(name: params[:client_name], redirect_uri: params[:redirect_uris])
+    @app = Doorkeeper::Application.create!(name: params[:client_name], redirect_uri: params[:redirect_uris], scopes: params[:scopes])
   end
 end

app/models/account.rb

@@ -31,6 +31,7 @@ class Account < ApplicationRecord
   has_many :statuses, inverse_of: :account, dependent: :destroy
   has_many :favourites, inverse_of: :account, dependent: :destroy
   has_many :mentions, inverse_of: :account, dependent: :destroy
+  has_many :notifications, inverse_of: :account, dependent: :destroy
 
   # Follow relations
   has_many :active_relationships,  class_name: 'Follow', foreign_key: 'account_id',        dependent: :destroy

app/models/favourite.rb

@@ -7,6 +7,8 @@ class Favourite < ApplicationRecord
   belongs_to :account, inverse_of: :favourites
   belongs_to :status,  inverse_of: :favourites, touch: true
 
+  has_one :notification, as: :activity, dependent: :destroy
+
   validates :status_id, uniqueness: { scope: :account_id }
 
   def verb

app/models/follow.rb

@@ -7,6 +7,8 @@ class Follow < ApplicationRecord
   belongs_to :account
   belongs_to :target_account, class_name: 'Account'
 
+  has_one :notification, as: :activity, dependent: :destroy
+
   validates :account, :target_account, presence: true
   validates :account_id, uniqueness: { scope: :target_account_id }
 

app/models/mention.rb

@@ -4,6 +4,8 @@ class Mention < ApplicationRecord
   belongs_to :account, inverse_of: :mentions
   belongs_to :status
 
+  has_one :notification, as: :activity, dependent: :destroy
+
   validates :account, :status, presence: true
   validates :account, uniqueness: { scope: :status }
 end

app/models/status.rb

@@ -16,6 +16,8 @@ class Status < ApplicationRecord
   has_many :media_attachments, dependent: :destroy
   has_and_belongs_to_many :tags
 
+  has_one :notification, as: :activity, dependent: :destroy
+
   validates :account, presence: true
   validates :uri, uniqueness: true, unless: 'local?'
   validates :text, presence: true, length: { maximum: 500 }, if: proc { |s| s.local? && !s.reblog? }