feat: add cron job

scripts/disk-monitor.sh

@@ -1,9 +1,29 @@
 #!/bin/bash
 
-source /usr/local/bin/notifications.sh
+source /usr/local/bin/libs/common.sh
+source /etc/serverconfig/.env
 
-disk_usage() {
-    df -h / | grep / | awk -v max="$1" '{
+INSTALLED=$1
+if [[ "--install" == $INSTALLED ]]; then 
+    info_print "\n\
+==================================================\n\
+            disk-monitor Installation\n\
+--------------------------------------------------"
+    CRON_JOB="0 3 * * 1 $SCRIPT_FILE/disk-monitor.sh"
+    crontab -l | grep -F "$CRON_JOB" > /dev/null 2>&1
+    if ! crontab -l | grep -Fq "$CRON_JOB"; then
+        (crontab -l 2>/dev/null; echo "$CRON_JOB") | crontab -
+        info_print "Cron job added." 6
+    fi
+    exit 0; 
+fi
+
+source /usr/local/bin/libs/notifications.sh
+
+usage=80
+
+send_notification "$(
+    df -h / | grep / | awk -v max="$usage" '{
         usage = $5;
         gsub("%", "", usage);
         if (usage > max) {
@@ -11,6 +31,4 @@ disk_usage() {
         } 
         printf "<b>💾 Disk Usage Information:</b>\nTotal Size: %s, Used: %s, Available: %s\n\n", $2, $3, $4;
     }'
-}
-
-send_notification "$(disk_usage 80)"
+)"