New parameters for install_longterm

allauth_ens/adapter.py

@@ -147,14 +147,20 @@ def deprecate_clippers():
     clippers.update(provider='clipper_inactive')
 
 
-def install_longterm_adapter(fake=False):
+def install_longterm_adapter(fake=False, accounts=None):
     """
     Manages the transition from an older django_cas or an allauth_ens
     installation without LongTermClipperAccountAdapter
+
+    accounts is an optional dictionary containing the association between
+    clipper usernames and django's User accounts. If not provided, the
+    function will assumer Users' usernames are their clipper uid.
     """
 
-    accounts = {u.username: u for u in User.objects.all()
-                if u.username.isalnum()}
+    if accounts is None:
+        accounts = {u.username: u for u in User.objects.all()
+                    if u.username.isalnum()}
+
     ldap_connection = init_ldap()
     ltc_adapter = get_adapter()
 

allauth_ens/management/commands/install_longterm.py

@@ -1,6 +1,9 @@
 # coding: utf-8
+from django.contrib.auth import get_user_model
 from django.core.management.base import BaseCommand
 
+from allauth.socialaccount.models import SocialAccount
+
 from allauth_ens.adapter import install_longterm_adapter
 
 
@@ -17,10 +20,43 @@ class Command(BaseCommand):
             help=('Does not save the models created/updated,'
                   'only shows the list'),
         )
+        parser.add_argument(
+            '--use-socialaccounts',
+            action='store_true',
+            default=False,
+            help=('Use the existing SocialAccounts rather than all the Users'),
+        )
+        parser.add_argument(
+            '--clipper-field',
+            default=None,
+            type=str
+        )
         pass
 
     def handle(self, *args, **options):
-        logs = install_longterm_adapter(options.get("fake", False))
+        fake = options.get("fake", False)
+
+        if options.get('use_socialaccounts', False):
+            accounts = {account.uid: account.user for account in
+                        (SocialAccount.objects.filter(provider="clipper")
+                         .prefetch_related("user"))}
+        elif options.get('clipper_field', None):
+            fields = options['clipper_field'].split('.')
+            User = get_user_model()
+            
+            def get_subattr(obj, fields):
+                # Allows to follow OneToOne relationships
+                if len(fields) == 1:
+                    return getattr(obj, fields[0])
+                return get_subattr(getattr(obj, fields[0]), fields[1:])
+            
+            accounts = {get_subattr(account, fields): account for account in
+                        User.objects.all()}
+        else:
+            accounts = None
+        
+        logs = install_longterm_adapter(fake, accounts)
+
         self.stdout.write("Social accounts created : %d"
                           % len(logs["created"]))
         self.stdout.write("  ".join(("%s -> %s" % s) for s in logs["created"]))

allauth_ens/tests.py

@@ -7,6 +7,7 @@ from django.contrib.auth import HASH_SESSION_KEY, get_user_model
 from django.contrib.sites.models import Site
 from django.core import mail
 from django.test import TestCase, override_settings
+from django.test.utils import captured_stdout
 
 from allauth.socialaccount.models import SocialAccount
 
@@ -18,6 +19,7 @@ from mock import patch
 from allauth_ens.utils import get_ldap_infos
 
 from .adapter import deprecate_clippers, install_longterm_adapter
+from .management.commands.install_longterm import Command as InstallLongterm
 
 _mock_ldap = MockLDAP()
 ldap_patcher = patch('allauth_ens.utils.ldap.initialize',
@@ -331,6 +333,69 @@ class LongTermClipperTests(CASTestCase):
         self.assertEqual(user1.username, "test@12")
         self.assertEqual(conn.extra_data['ldap']['entrance_year'], '12')
 
+    def test_longterm_installer_from_allauth_command_username(self):
+        self._setup_ldap(12)
+        with self.settings(
+                SOCIALACCOUNT_ADAPTER='allauth.socialaccount.'
+                'adapter.DefaultSocialAccountAdapter'):
+            r = self.client_cas_login(self.client, provider_id="clipper",
+                                      username='test')
+            user0 = r.context["user"]
+            nsa0 = SocialAccount.objects.count()
+            self.assertEqual(user0.username, "test")
+            self.client.logout()
+
+        with captured_stdout() as stdout:
+            command = InstallLongterm()
+            command.handle(clipper_field='username')
+
+        output = stdout.getvalue()
+        self.assertIn('test -> test@12', output)
+
+        r = self.client_cas_login(self.client, provider_id="clipper",
+                                  username='test')
+        user1 = r.context["user"]
+        nsa1 = SocialAccount.objects.count()
+        conn = user1.socialaccount_set.get(provider='clipper')
+        self.assertEqual(user1.id, user0.id)
+        self.assertEqual(nsa1, nsa0)
+        self.assertEqual(user1.username, "test@12")
+        self.assertEqual(conn.extra_data['ldap']['entrance_year'], '12')
+    
+    def test_longterm_installer_from_allauth_command_socialaccounts(self):
+        self._setup_ldap(12)
+        with self.settings(
+                SOCIALACCOUNT_ADAPTER='allauth.socialaccount.'
+                'adapter.DefaultSocialAccountAdapter'):
+            r = self.client_cas_login(self.client, provider_id="clipper",
+                                      username='test')
+            user0 = r.context["user"]
+            self.assertEqual(user0.username, "test")
+            self.client.logout()
+
+            user1 = User.objects.create_user('bidule', 'bidule@clipper.ens.fr',
+                                             'bidule')
+            nsa0 = SocialAccount.objects.count()
+
+        with captured_stdout() as stdout:
+            command = InstallLongterm()
+            command.handle(use_socialaccounts=True)
+
+        output = stdout.getvalue()
+        self.assertIn('test -> test@12', output)
+        self.assertNotIn('bidule ->', output)
+        
+        r = self.client_cas_login(self.client, provider_id="clipper",
+                                  username='test')
+        user1 = r.context["user"]
+        nsa1 = SocialAccount.objects.count()
+        conn = user1.socialaccount_set.get(provider='clipper')
+        self.assertEqual(user1.id, user0.id)
+        self.assertEqual(nsa1, nsa0)
+        self.assertEqual(nsa1, nsa0)
+        self.assertEqual(user1.username, "test@12")
+        self.assertEqual(conn.extra_data['ldap']['entrance_year'], '12')
+        
     def test_longterm_installer_from_djangocas(self):
         with self.settings(
                 SOCIALACCOUNT_ADAPTER='allauth.socialaccount.'