add notification script

scripts/notify.sh

@@ -0,0 +1,53 @@
+#!/usr/bin/env zsh
+
+# author:   Daniel Sommer <daniel.sommer@velvettear.de>
+# license:  MIT
+
+# usage:
+# notify.sh <topic> <payload> [options]
+# documentation @ https://docs.ntfy.sh/publish
+
+url="https://notify.velvettear.de"
+user="velvettear"
+password="\$Velvet90"
+
+[[ -z "$1" ]] && printf "error: no topic specified\n" 1>&2 && exit 1
+[[ -z "$2" ]] && printf "error: no payload specified\n" 1>&2 && exit 1
+
+url="$url/$1"
+payload="$2"
+
+# check if payload is a file
+if [[ -e "$payload" ]]; then
+    args+=("-T" "$(realpath $payload)" "-H" "Filename: $(basename $payload)")
+else
+    args+=("-d" "$payload")
+fi
+
+# check for valid priority level
+function checkPriority() {
+	prio="$(printf "$1" | tr '[:upper:]' '[:lower:]')"
+	if [[ "$prio" == "min" ]] || [[ "$prio" == "low" ]] || [[ "$prio" == "default" ]] || [[ "$prio" == "high" ]] || [[ "$prio" == "max" ]] || [[ "$prio" == "urgent" ]]; then
+		args+=("-H" "Priority: $prio")
+	fi
+}
+
+# check arguments
+index=1
+for arg in "$@"; do
+	((index++))
+	value="${@[$index]}"
+	case "$arg" in
+		-e|--emoji|-i|--icon)
+			args+=("-H" "Tags: $value")
+			;;
+		-p|--priority)
+			checkPriority "$value"
+			;;
+		-t|--title)
+			args+=("-H" "Title: $value")
+			;;
+	esac
+done
+
+curl -s -u $user:$password ${args[@]} $url