Initial commit

app/jobs/cron/ticker.rb

@@ -0,0 +1,28 @@
+module Jobs
+  module Cron
+    class Ticker
+      def self.process
+        @tickers = {}
+        @cache_tickers = {}
+        Market.active.each do |market|
+          service = TickersService[market]
+          ticker = service.ticker
+          @tickers[market.id] = ticker
+          @cache_tickers[market.id] = format_ticker ticker
+        end
+        Rails.logger.info { "Publish tickers: #{@tickers}" }
+        Rails.cache.write(:markets_tickers, @cache_tickers)
+        ::AMQP::Queue.enqueue_event('public', 'global', 'tickers', @tickers)
+        sleep 5
+      end
+
+      def self.format_ticker(ticker)
+        permitted_keys = %i[low high open last volume amount
+                            avg_price price_change_percent]
+
+        { at: ticker[:at],
+          ticker: ticker }
+      end
+    end
+  end
+end