Add pagination to alerts index

app/controllers/api/v1/base_controller.rb

@@ -0,0 +1,13 @@
+class Api::V1::BaseController < ApplicationController
+  DEFAULT_PAGE_SIZE = 10
+
+  private
+
+  def per_page
+    (params[:per_page].presence || DEFAULT_PAGE_SIZE).to_i
+  end
+
+  def page
+    (params[:page].presence || 1).to_i
+  end
+end

app/controllers/api/v1/parks/alerts_controller.rb

@@ -3,7 +3,7 @@ module Api::V1::Parks
     before_action :set_park
 
     def index
-      render json: @park.alerts
+      render json: @park.alerts.limit(per_page).offset((page - 1) * per_page)
     end
   end
 end