zpretty

src/redturtle/prenotazioni/adapters/booking_code.py

@@ -0,0 +1,28 @@
+# -*- coding: utf-8 -*-
+from redturtle.prenotazioni.content.prenotazione import IPrenotazione
+from zope.component import adapter
+from zope.component import Interface
+from zope.interface import implementer
+
+import hashlib
+
+
+class IBookingCodeGenerator(Interface):
+    """
+    Adapter interface to generate a code
+    """
+
+
+@implementer(IBookingCodeGenerator)
+@adapter(IPrenotazione, Interface)
+class BookingCodeGenerator:
+    def __init__(self, context, request):
+        self.context = context
+        self.request = request
+
+    def __call__(self, *args, **kwargs):
+        hash_obj = hashlib.blake2b(
+            bytes(self.context.UID(), encoding="utf8"), digest_size=3
+        )
+
+        return hash_obj.hexdigest().upper()

src/redturtle/prenotazioni/adapters/configure.zcml

@@ -191,7 +191,7 @@
       />
 
 
-    <!-- code generator -->
-    <adapter factory=".booking_code.BookingCodeGenerator" />
+  <!-- code generator -->
+  <adapter factory=".booking_code.BookingCodeGenerator" />
 
 </configure>