🐛 dolar: handle network errors

also increase execution frequency from 120s to 60s in polybar's config

home/.config/polybar/config.ini

@@ -509,7 +509,7 @@ click-left = $HOME/bin/wm --go-to-by-class thunderbird > /dev/null
 
 [module/dolarblue]
 type = custom/script
-interval = 120
+interval = 60
 format = <label>
 label = "%output%"
 label-padding = 0

home/bin/dolar

@@ -18,17 +18,21 @@ def usage
 end
 
 def fetch_usd_value(type)
-  response = Net::HTTP.get(URI("https://mercados.ambito.com/dolar/#{type}/variacion"))
-  output = JSON.parse(response)
+  begin
+    response = Net::HTTP.get(URI("https://mercados.ambito.com/dolar/#{type}/variacion"))
+    output = JSON.parse(response)
 
-  buy_price = output['compra']
-  sell_price = output['venta']
-  variation = output['variacion']
-  last_closing_value = output['valor_cierre_ant']
+    buy_price = output['compra']
+    sell_price = output['venta']
+    variation = output['variacion']
+    last_closing_value = output['valor_cierre_ant']
 
-  variation = variation.start_with?('-') ? "🔴 #{variation}" : "🟢 #{variation}"
+    variation = variation.start_with?('-') ? "🔴 #{variation}" : "🟢 #{variation}"
 
-  puts "💵 #{buy_price} / #{sell_price} // #{variation} (#{last_closing_value})"
+    puts "💵 #{buy_price} / #{sell_price} // #{variation} (#{last_closing_value})"
+  rescue SocketError, Errno::ENETUNREACH
+    puts "💸 - / -"
+  end
 end
 
 options = {}