improve cars error and usage

1 files changed, 8 insertions, 5 deletions

diff --git a/geldschieberbot.py b/geldschieberbot.py
index 306fe5a..26ee8e1 100644
--- a/geldschieberbot.py
+++ b/geldschieberbot.py
@@ -149,9 +149,12 @@ gib amount recipient - give money to recipient
 zieh amount donor - get money from donor
 nimm amount donor - get money from donor
 
+transfer amount source destination - transfer amount of your balance with source to destination
+
 cars [cmd] - interact with the available cars
 cars [list | ls] - list available cars and their service charge
-cars <add | new> <car-name> <service-charge> - add new car
+cars add car-name service-charge - add new car
+cars new car-name service-charge - add new car
 
 tanken amount [person] [car] [info] - calculate fuel costs, service charge and add them to the person's and car's balance respectively
 
@@ -328,7 +331,7 @@ def cars(sender, args, msg):
                 ret_msg += header_fmt.format(car, available_cars[car])
                 ret_msg += create_summary(car)
             else:
-                ret_msg += "Error {} is no available car\n".format(car)
+                return None, '"{}" is no available car\n'.format(car)
 
         return ret_msg, None
     # add car
@@ -338,10 +341,10 @@ def cars(sender, args, msg):
 
         car = args[2]
         if car in available_cars:
-            return None, '{} already registered'.format(car)
+            return None, '"{}" already registered'.format(car)
 
         if car in balance:
-            return None, 'A user named {} already exists. Please use a different name for this car'.format(car)
+            return None, 'A user named "{}" already exists. Please use a different name for this car'.format(car)
 
         try:
             service_charge = to_cent(args[3])
@@ -360,7 +363,7 @@ def cars(sender, args, msg):
             balance[m][car] = 0
             nb[m] = 0
         balance[car] = nb
-        return "added {} as an available car".format(car), None
+        return 'added "{}" as an available car'.format(car), None
     else:
         return None, 'cmd not in form "{} [cmd]"'.format(args[0])