Add notification policies and notification requests (#29366)

app/controllers/api/v1/notifications/policies_controller.rb

@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+class Api::V1::Notifications::PoliciesController < Api::BaseController
+  before_action -> { doorkeeper_authorize! :read, :'read:notifications' }, only: :show
+  before_action -> { doorkeeper_authorize! :write, :'write:notifications' }, only: :update
+
+  before_action :require_user!
+  before_action :set_policy
+
+  def show
+    render json: @policy, serializer: REST::NotificationPolicySerializer
+  end
+
+  def update
+    @policy.update!(resource_params)
+    render json: @policy, serializer: REST::NotificationPolicySerializer
+  end
+
+  private
+
+  def set_policy
+    @policy = NotificationPolicy.find_or_initialize_by(account: current_account)
+
+    with_read_replica do
+      @policy.summarize!
+    end
+  end
+
+  def resource_params
+    params.permit(
+      :filter_not_following,
+      :filter_not_followers,
+      :filter_new_accounts,
+      :filter_private_mentions
+    )
+  end
+end

app/controllers/api/v1/notifications/requests_controller.rb

@@ -0,0 +1,75 @@
+# frozen_string_literal: true
+
+class Api::V1::Notifications::RequestsController < Api::BaseController
+  before_action -> { doorkeeper_authorize! :read, :'read:notifications' }, only: :index
+  before_action -> { doorkeeper_authorize! :write, :'write:notifications' }, except: :index
+
+  before_action :require_user!
+  before_action :set_request, except: :index
+
+  after_action :insert_pagination_headers, only: :index
+
+  def index
+    with_read_replica do
+      @requests = load_requests
+      @relationships = relationships
+    end
+
+    render json: @requests, each_serializer: REST::NotificationRequestSerializer, relationships: @relationships
+  end
+
+  def accept
+    AcceptNotificationRequestService.new.call(@request)
+    render_empty
+  end
+
+  def dismiss
+    @request.update!(dismissed: true)
+    render_empty
+  end
+
+  private
+
+  def load_requests
+    requests = NotificationRequest.where(account: current_account).where(dismissed: truthy_param?(:dismissed)).includes(:last_status, from_account: [:account_stat, :user]).to_a_paginated_by_id(
+      limit_param(DEFAULT_ACCOUNTS_LIMIT),
+      params_slice(:max_id, :since_id, :min_id)
+    )
+
+    NotificationRequest.preload_cache_collection(requests) do |statuses|
+      cache_collection(statuses, Status)
+    end
+  end
+
+  def relationships
+    StatusRelationshipsPresenter.new(@requests.map(&:last_status), current_user&.account_id)
+  end
+
+  def set_request
+    @request = NotificationRequest.where(account: current_account).find(params[:id])
+  end
+
+  def insert_pagination_headers
+    set_pagination_headers(next_path, prev_path)
+  end
+
+  def next_path
+    api_v1_notifications_requests_url pagination_params(max_id: pagination_max_id) unless @requests.empty?
+  end
+
+  def prev_path
+    api_v1_notifications_requests_url pagination_params(min_id: pagination_since_id) unless @requests.empty?
+  end
+
+  def pagination_max_id
+    @requests.last.id
+  end
+
+  def pagination_since_id
+    @requests.first.id
+  end
+
+  def pagination_params(core_params)
+    params.slice(:dismissed).permit(:dismissed).merge(core_params)
+  end
+end