Add missing send_message method to puzzle inventory job

Author: ABizzinotto

app/jobs/puzzle_inventory_check_job.rb

@@ -3,10 +3,10 @@ class PuzzleInventoryCheckJob < ApplicationJob
   retry_on StandardError, attempts: 3
 
   def perform
-    approved_unsent_puzzle_count = Puzzle.where(state: 0, sent_at: nil).count
+    approved_puzzle_count = Puzzle.where(state: 0).count
 
-    if approved_unsent_puzzle_count < 5
-      send_low_inventory_notification(approved_unsent_puzzle_count)
+    if approved_puzzle_count < 5
+      send_low_inventory_notification(approved_puzzle_count)
     end
   end
 
@@ -16,4 +16,10 @@ def send_low_inventory_notification(count)
     notification_message = SlackClient::Messages::LowPuzzleInventoryNotification.new(count).create
     send_message(notification_message, channel_id: ENV.fetch("SHIELD_NOTIFICATIONS_CHANNEL", nil))
   end
+
+  def send_message(message, channel_id:)
+    SlackClient::Client.instance.chat_postMessage(channel: channel_id, blocks: message)
+  rescue Slack::Web::Api::Errors::SlackError
+    head :unprocessable_entity
+  end
 end