From 6d601ac73aaa02823802913e5161cda6ba30343c Mon Sep 17 00:00:00 2001
From: Jonny007-MKD <me@jonny007-mkd.de>
Date: Mon, 19 Oct 2020 21:16:10 +0200
Subject: [PATCH] Prettier timestamp

---
 host-by-telegram.sh | 50 ++++++++++++++++++++++++++++++++++-----------
 1 file changed, 38 insertions(+), 12 deletions(-)

diff --git a/host-by-telegram.sh b/host-by-telegram.sh
index 322d5e4..34f1026 100755
--- a/host-by-telegram.sh
+++ b/host-by-telegram.sh
@@ -87,23 +87,50 @@ do
   esac
 done
 
-## Build the message's subject
-SUBJECT="[$NOTIFICATIONTYPE] $SERVICEDISPLAYNAME on $HOSTDISPLAYNAME is $SERVICESTATE!"
+
+# convert date
+dateInSec=$(date -d "$LONGDATETIME" +%s)
+nowInSec=$(date +%s)
+ageInSec=$(($nowInSec - $dateInSec))
+ageInMin=$(($ageInSec/60))
+ageInHours=$(($ageInMin/60))
+ageInDays=$(($ageInHours/24))
+if [ "${LONGDATETIME:0:10}" == "$(date +"%Y-%m-%d")" ]; then
+	LONGDATETIME="${LONGDATETIME:11}"
+fi
+
+date=${LONGDATETIME#}
+if   [ $ageInDays -gt 0 ]; then
+	age="${ageInDays}d $(($ageInHours-$ageInDays*24))h ($LONGDATETIME)"
+elif [ $ageInHours -gt 0 ]; then
+	age="${ageInHours}h $(($ageInMin-$ageInHours*60))min ($LONGDATETIME)"
+elif [ $ageInMin -gt 0 ]; then
+	age="${ageInMin}min $(($ageInSec-$ageInMin*60))s"
+elif [ $ageInSec -gt 5 ]; then
+	age="${ageInSec}s"
+else
+	age="$LONGDATETIME"
+fi
+
+if [ "$HOSTALIAS" == "$HOSTDISPLAYNAME" ]; then
+	HOSTALIAS2=""
+else
+	HOSTALIAS2=" ($HOSTALIAS)"
+fi
 
 ## Build the message itself
 NOTIFICATION_MESSAGE=$(cat << EOF
-$HOSTDISPLAYNAME ($HOSTALIAS) is $HOSTSTATE!
-When?    $LONGDATETIME
-Info?    $HOSTOUTPUT
-Host?    $HOSTALIAS
-IPv4?    $HOSTADDRESS
+<b>$HOSTDISPLAYNAME</b>$HOSTALIAS2 is $HOSTSTATE!
+Since   $age
+Info      $HOSTOUTPUT
+IPv4     $HOSTADDRESS
 EOF
 )
 
 ## Is this host IPv6 capable?
 if [ -n "$HOSTADDRESS6" ] ; then
   NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE
-IPv6?    $HOSTADDRESS6"
+IPv6     $HOSTADDRESS6"
 fi
 ## Are there any comments? Put them into the message!
 if [ -n "$NOTIFICATIONCOMMENT" ] ; then
@@ -114,14 +141,13 @@ fi
 ## Are we using Icinga Web 2? Put the URL into the message!
 if [ -n "$HAS_ICINGAWEB2" ] ; then
   NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE
-Get live status:
-  $HAS_ICINGAWEB2/monitoring/host/show?host=$HOSTALIAS"
+<a href='$HAS_ICINGAWEB2/monitoring/host/show?host=$HOSTALIAS'>Icinga Web</a>"
 fi
-## Build the message's subject
-SUBJECT="[$NOTIFICATIONTYPE] Host $HOSTDISPLAYNAME is $HOSTSTATE!"
 
 ## Are we verbose? Then put a message to syslog...
 if [ "$VERBOSE" == "true" ] ; then
+  ## Build the message's subject
+  SUBJECT="[$NOTIFICATIONTYPE] Host $HOSTDISPLAYNAME is $HOSTSTATE!"
   logger "$PROG sends $SUBJECT => Telegram Channel $TELEGRAM_BOT"
 fi