Create a migrate tips function

gratipay/models/team.py

@@ -85,3 +85,31 @@ def status(self):
                , False: 'rejected'
                , True: 'approved'
                 }[self.is_approved]
+
+    def migrate_tips(self):
+        subscriptions = self.db.all("SELECT * FROM subscriptions WHERE team=%s", (self.slug,))
+
+        # Make sure the migration hasn't been done already
+        if subscriptions:
+            raise AlreadyMigrated
+
+        self.db.run("""
+
+            INSERT INTO subscriptions
+                        (ctime, mtime, subscriber, team, amount, is_funded)
+                 SELECT ct.ctime
+                      , ct.mtime
+                      , ct.tipper
+                      , %(slug)s
+                      , ct.amount
+                      , ct.is_funded
+                   FROM current_tips ct
+                   JOIN participants p ON p.username = tipper
+                  WHERE ct.tippee=%(owner)s
+                    AND p.claimed_time IS NOT NULL
+                    AND p.is_suspicious IS NOT TRUE
+                    AND p.is_closed IS NOT TRUE
+
+        """, {'slug': self.slug, 'owner': self.owner})
+
+class AlreadyMigrated(Exception): pass

tests/py/test_teams.py

@@ -1,9 +1,11 @@
 from __future__ import unicode_literals
-from gratipay.models._mixin_team import StubParticipantAdded
 
+import pytest
+
+from gratipay.models._mixin_team import StubParticipantAdded
 from gratipay.testing import Harness
 from gratipay.security.user import User
-from gratipay.models.team import Team
+from gratipay.models.team import Team, AlreadyMigrated
 
 
 class TestNewTeams(Harness):
@@ -116,6 +118,43 @@ def test_stripping_required_inputs(self):
         assert self.db.one("SELECT COUNT(*) FROM teams") == 0
         assert "Please fill out the 'Team Name' field." in r.body
 
+    def test_migrate_tips_to_subscriptions(self):
+        alice = self.make_participant('alice', claimed_time='now')
+        bob = self.make_participant('bob', claimed_time='now')
+        self.make_participant('old_team')
+        alice.set_tip_to('old_team', '1.00')
+        bob.set_tip_to('old_team', '2.00')
+        new_team = self.make_team('new_team', owner='old_team')
+
+        new_team.migrate_tips()
+
+        subscriptions = self.db.all("SELECT * FROM subscriptions")
+        assert len(subscriptions) == 2
+        assert subscriptions[0].subscriber == 'alice'
+        assert subscriptions[0].team == 'new_team'
+        assert subscriptions[0].amount == 1
+        assert subscriptions[1].subscriber == 'bob'
+        assert subscriptions[1].team == 'new_team'
+        assert subscriptions[1].amount == 2
+
+    def test_migrate_tips_only_runs_once(self):
+        alice = self.make_participant('alice', claimed_time='now')
+        self.make_participant('old_team')
+        alice.set_tip_to('old_team', '1.00')
+        new_team = self.make_team('new_team', owner='old_team')
+
+        self.db.run("""
+            INSERT INTO subscriptions
+                        (ctime, subscriber, team, amount)
+                 VALUES (CURRENT_TIMESTAMP, 'alice', 'new_team', 1)
+        """)
+
+        with pytest.raises(AlreadyMigrated):
+            new_team.migrate_tips()
+
+        subscriptions = self.db.all("SELECT * FROM subscriptions")
+        assert len(subscriptions) == 1
+
 class TestOldTeams(Harness):
 
     def setUp(self):