Properly import full name from third party services

We now correctly store full name in first_name attribute regardless of
what the service actually provides.

Closes #426

weblate/accounts/pipeline.py

@@ -98,3 +98,31 @@ def store_email(strategy, user, social, details, *args, **kwargs):
         if verified.email != details['email']:
             verified.email = details['email']
             verified.save()
+
+
+def user_full_name(strategy, details, response, user=None, *args, **kwargs):
+    """
+    Update user full name using data from provider.
+    """
+    print 'pipe', user, details
+    if user:
+        full_name = ''
+
+        if 'fullname' in details:
+            full_name = details['fullname']
+        elif 'first_name' in details or 'last_name' in details:
+            first_name = details.get('first_name', '')
+            last_name = details.get('last_name', '')
+
+            if first_name and not first_name in last_name:
+                full_name = u'{0} {1}'.format(first_name, last_name)
+            elif first_name:
+                full_name = first_name
+            else:
+                full_name = last_name
+
+        full_name = full_name.strip()
+
+        if full_name != user.first_name:
+            user.first_name = full_name
+            strategy.storage.user.changed(user)

weblate/settings_example.py

@@ -196,7 +196,7 @@ SOCIAL_AUTH_PIPELINE = (
     'social.pipeline.user.create_user',
     'social.pipeline.social_auth.associate_user',
     'social.pipeline.social_auth.load_extra_data',
-    'social.pipeline.user.user_details',
+    'weblate.accounts.pipeline.user_full_name',
     'weblate.accounts.pipeline.store_email',
 )