backend/user: Split _store and register

Separate the method to persist a new account from the register method
so that common checks could be done in the base class and the
concrete implementations can overwrite only the storage part.

3 files changed, 16 insertions, 13 deletions

diff --git a/accounts/backend/user/__init__.py b/accounts/backend/user/__init__.py
index af0cc63..57ba952 100644
--- a/accounts/backend/user/__init__.py
+++ b/accounts/backend/user/__init__.py
@@ -107,9 +107,15 @@ class Backend(object):
 
     def register(self, account):
         """
-        Persists an account in the backend.
+        Register a new user account.
+
+        This message checks the given account for plausibility,
+        get a new uidNumber and store the account into the backend.
         """
-        raise NotImplementedError()
+        if account.password is None:
+            raise ValueError("Password required for register")
+
+        self._store(account)
 
     def update(self, account, as_admin=False):
         """
@@ -122,3 +128,9 @@ class Backend(object):
         Deletes an account permanently.
         """
         raise NotImplementedError()
+
+    def _store(self, account):
+        """
+        Persists an account in the backend.
+        """
+        raise NotImplementedError()
diff --git a/accounts/backend/user/dummy.py b/accounts/backend/user/dummy.py
index cc43dc5..867db2e 100644
--- a/accounts/backend/user/dummy.py
+++ b/accounts/backend/user/dummy.py
@@ -64,13 +64,7 @@ class DummyBackend(Backend):
 
         return results
 
-    def register(self, account):
-        """
-        Persists an account in the backend.
-        """
-        if account.password is None:
-            raise ValueError("Password required for register")
-
+    def _store(self, account):
         self._storage.append(deepcopy(account))
 
     def update(self, account, as_admin=False):
diff --git a/accounts/backend/user/ldap.py b/accounts/backend/user/ldap.py
index 6ab02c6..ea1b7fc 100644
--- a/accounts/backend/user/ldap.py
+++ b/accounts/backend/user/ldap.py
@@ -92,10 +92,7 @@ class LdapBackend(Backend):
 
         return accounts
 
-    def register(self, account):
-        """
-        Persists an account in the backend.
-        """
+    def _store(self, account):
         conn = self._connect_as_admin()
 
         user_dn = self._format_dn([('uid', account.uid), ('ou', 'users')])