client-barcode: Move from product ids to product barcodes

client-barcode/freitagskasse.py

@@ -132,12 +132,12 @@ class Status:
 			# Logout
 			self._reset()
 
-	def find(self, item_id):
+	def find(self, barcode):
 		try:
-			return self.item_cache[item_id]
+			return self.item_cache[barcode]
 		except KeyError:
-			item = net.get_item(item_id)
-			self.item_cache[item_id] = item
+			item = net.get_item(barcode)
+			self.item_cache[barcode] = item
 			return item
 
 	def buy(self, item):
@@ -178,9 +178,8 @@ def handle(line, status):
 			params = call[1:]
 			getattr(status, method)(*params)
 		else:
-			item_id = int(line)  # TODO
 			try:
-				item = status.find(item_id)
+				item = status.find(line)
 			except urllib2.HTTPError as e:
 				if e.code == 404:  # URL not found == item not found with REST
 					error_page('FEHLER: Aktion oder Ware "%s" nicht bekannt' % line)

client-barcode/freitagslib/network.py

@@ -60,11 +60,9 @@ def buy_item(item_id, user_name):
 		raise ValueError('Server says "%s"' % content)
 
 
-def get_item(item_id):
-	require_type(int, item_id)
-
-	content = _request('buyable/item/' + urllib.quote(str(item_id)),
-			{}, method='GET')
+def get_item(barcode):
+	content = _request('buyable/item/',
+			{'barcode':barcode}, method='GET')
 	d = json.loads(content)
 	return Item(d)