From b243062f2e341c65ffcf4daeb91ccedcc43a0b26 Mon Sep 17 00:00:00 2001
From: Stephen Paul Weber <singpolyma@singpolyma.net>
Date: Tue, 11 May 2021 09:30:30 -0500
Subject: [PATCH] Include BTC addresses in notification, if there are any

---
 bin/billing_monthly_cronjob | 35 ++++++++++++++++++++++++++---------
 1 file changed, 26 insertions(+), 9 deletions(-)

diff --git a/bin/billing_monthly_cronjob b/bin/billing_monthly_cronjob
index 83169f6c41b99200ba4e1312eb0e1df6390b2a38..9dae4b933ee314d90f2070242b6d77d4fa66de60 100755
--- a/bin/billing_monthly_cronjob
+++ b/bin/billing_monthly_cronjob
@@ -155,23 +155,40 @@ class ExpiredCustomer
 
 	protected
 
+		def jid
+			REDIS.get("jmp_customer_jid-#{customer_id}")
+		end
+
+		def tel
+			REDIS.lindex("catapult_cred-#{jid}", 3)
+		end
+
+		def btc_addresses
+			@btc_addresses ||= REDIS.smembers(
+				"jmp_customer_btc_addresses-#{customer_id}"
+			)
+		end
+
+		def btc_addresses_for_notification
+			return if btc_addresses.empty?
+			"\nYou can buy credit by sending any amount of Bitcoin to one of "\
+			"these addresses:\n#{btc_addresses.join("\n")}"
+		end
+
 		def send_notification
-			jid = REDIS.get("jmp_customer_jid-#{customer_id}")
-			tel = REDIS.lindex("catapult_cred-#{jid}", 3)
 			BlatherNotify.say(
 				CONFIG[:notify_using][:target].call(jid),
 				CONFIG[:notify_using][:body].call(
-					jid, format_renewal_notification(tel)
+					jid, renewal_notification
 				)
 			)
 		end
 
-		def format_renewal_notification(tel)
-			<<~NOTIFY
-				Failed to renew account for #{tel},
-				balance of #{@row['balance']} is too low.
-				To keep your number, please buy more credit soon.
-			NOTIFY
+		def renewal_notification
+			"Failed to renew account for #{tel}, " \
+			"balance of #{@row['balance']} is too low. " \
+			"To keep your number, please buy more credit soon. " \
+			"#{btc_addresses_for_notification}"
 		end
 	end
 end