email notifs

bot.sh

@@ -42,6 +42,11 @@ do
         msg $subscriber "$dj is now online! tune in now here: $link"
       done 10< subscribers.txt
 
+      while read -u 11 subscriber email_addr; do
+        sed -e "s/<dj>/$dj/g" -e "s/<link>/$link/g" dj-online-email.tmpl \
+          | sendmail email_addr
+      done 11< email-subscribers.txt
+
       for json in . ./yourtilde ./team; do
         TOOT_JSON_PATH=$json toot "dj $dj is now streaming live on https://tilderadio.org! tune in here: $link"
       done
@@ -101,6 +106,21 @@ do
           msg $from "i'll stop sending you updates."
         ;;
 
+        email-subscribe)
+          if grep -q $who email-subscribers.txt; then
+            msg $from "you're already subscribed! :)"
+          else
+            email_addr=$(echo "$will" | cut -d " " -f2)
+            echo "$who $email_addr" >> email-subscribers.txt
+            msg $from "i'll send you an email when a dj starts streaming!"
+          fi
+        ;;
+
+        email-unsubscribe)
+          sed -i "/$who/d" email-subscribers.txt
+          msg $from "i'll stop sending you email updates."
+        ;;
+
         time)
           msg $from "$(TZ=UTC date)"
         ;;
@@ -126,7 +146,7 @@ do
         ;;
 
         help)
-          msg $from "hey hi, my commands are subscribe, unsubscribe, np, dj, link, slogan, and schedule"
+          msg $from "hey hi, my commands are subscribe, unsubscribe, np, dj, link, slogan, and schedule. if you prefer email notifications, you can use radiobot: email-subscribe you@example.com"
         ;;
 
         radio|slogan)

dj-online-email.tmpl

@@ -0,0 +1,8 @@
+Subject: tilderadio: dj <dj> is now streaming!
+
+<dj> just came on the air on tilderadio.org!
+
+have a listen here: <link>
+
+~radiobot
+