registration: use EmailConfimation rather than separate registration app

Since we have infrastructure for email confirmations, we no longer need
the separate registration app.

Requires a migration script, which will delete all inactive users,
including those newly added and pending confirmation. Use carefully.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>

1 files changed, 27 insertions, 0 deletions

diff --git a/lib/sql/migration/009-drop-registrationprofile.sql b/lib/sql/migration/009-drop-registrationprofile.sql
new file mode 100644
index 0000000..f1c2b43
--- /dev/null
+++ b/lib/sql/migration/009-drop-registrationprofile.sql
@@ -0,0 +1,27 @@
+BEGIN;
+
+DELETE FROM registration_registrationprofile;
+
+-- unlink users who have contributed
+
+UPDATE patchwork_person SET user_id = NULL
+    WHERE user_id IN (SELECT id FROM auth_user WHERE is_active = False)
+	    AND id IN (SELECT DISTINCT submitter_id FROM patchwork_comment);
+
+-- remove persons who only have a user linkage
+
+DELETE FROM patchwork_person WHERE user_id IN
+    (SELECT id FROM auth_user WHERE is_active = False);
+
+-- delete profiles
+
+DELETE FROM patchwork_userprofile WHERE user_id IN
+    (SELECT id FROM auth_user WHERE is_active = False);
+
+-- delete inactive users
+
+DELETE FROM auth_user WHERE is_active = False;
+
+DROP TABLE registration_registrationprofile;
+
+COMMIT;