add traewelling integration

home.nix

@@ -40,6 +40,7 @@ in
     tcpdump
     hyfetch
     libreoffice
+    (import ./traewelling.script.nix)
   ] ++ (with pkgs; [ 
     freecad
     nheko
@@ -89,14 +90,14 @@ in
           echo "> Your TODOs from ~/sync/todo.txt:"
           set_color brblue
           cat ~/sync/todo.txt
-          set_color normal
-          echo
         else
           set_color red
           echo "> Sync is not mounted."
-          set_color normal
-          echo
         end
+        # check träwelling
+        traewelling
+        set_color normal
+        echo
       end
       function edit-todo
         hx ~/sync/todo.txt

traewelling.script.nix

@@ -0,0 +1,30 @@
+with import <nixpkgs> {};
+
+pkgs.writeShellScriptBin "traewelling" ''
+	#!/bin/sh
+
+	function color() {
+		echo -ne "\e[38;5;$1"m
+	}
+	function j() {
+		jq -r $1 <<< "$json"
+	}
+
+	user=tudbut
+	if ! [ "$1" = "" ] ; then
+		user="$1"
+	fi
+	
+	json="$(curl -s "https://traewelling.de/api/v1/user/$user/statuses" | jq .data[0])"
+	if [ "$(($(date -d "$(j .train.destination.arrival)" +%s) - $(date +%s) ))" -gt 0 ] ; then
+		color 9
+		echo "> Traewelling"
+		color 4
+		echo "In train $(j .train.lineName) to $(j .train.destination.name)"
+		echo "Arrival: in $(
+			date -d "@$(( $(date -d "$(j .train.destination.arrival)" +%s) - $(date +%s) - 60 * 60))" +%H:%M
+		) at $(j .train.destination.rilIdentifier) $(j .train.destination.arrivalPlatformReal)"
+		echo "bahn.expert: https://bahn.expert/details/$(j .train.lineName | sed -E 's/(.*?) .*/\1/g')%20$(j .train.journeyNumber)"
+	fi
+''
+