feat: 添加账号删除功能

backend/alembic/versions/20260407_0002_add_invite_codes.py

@@ -124,7 +124,7 @@ def upgrade() -> None:
                 lifetime_spent,
                 version
             )
-            VALUES (new.id, 100, 0, 100, 0, 0)
+            VALUES (new.id, 60, 0, 60, 0, 0)
             ON CONFLICT (user_id) DO NOTHING;
 
             INSERT INTO public.points_ledger (
@@ -144,8 +144,8 @@ def upgrade() -> None:
                 v_ledger_id,
                 new.id,
                 1,
-                100,
-                100,
+                60,
+                60,
                 'register',
                 null,
                 null,
@@ -269,7 +269,7 @@ def downgrade() -> None:
                 lifetime_spent,
                 version
             )
-            VALUES (new.id, 100, 0, 100, 0, 0)
+            VALUES (new.id, 60, 0, 60, 0, 0)
             ON CONFLICT (user_id) DO NOTHING;
 
             INSERT INTO public.points_ledger (
@@ -289,8 +289,8 @@ def downgrade() -> None:
                 v_ledger_id,
                 new.id,
                 1,
-                100,
-                100,
+                60,
+                60,
                 'register',
                 null,
                 null,

backend/alembic/versions/20260409_0004_update_signup_welcome_points_to_60.py

@@ -0,0 +1,54 @@
+"""update signup welcome points from 100 to 60
+
+Revision ID: 20260409_0004
+Revises: 20260407_0003
+Create Date: 2026-04-09 00:00:00
+"""
+
+from typing import Sequence, Union
+
+from alembic import op
+
+revision: str = "20260409_0004"
+down_revision: Union[str, Sequence[str], None] = "20260407_0003"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def _rewrite_signup_function(*, from_points: int, to_points: int) -> None:
+    op.execute(
+        f"""
+        DO $$
+        DECLARE
+            v_def text;
+            v_from_points text := '{from_points}';
+            v_to_points text := '{to_points}';
+        BEGIN
+            SELECT pg_get_functiondef('public.initialize_profile_and_invite_code_on_signup()'::regprocedure)
+            INTO v_def;
+
+            v_def := regexp_replace(
+                v_def,
+                'VALUES \\(new\\.id,\\s*' || v_from_points || ',\\s*0,\\s*' || v_from_points || ',\\s*0,\\s*0\\)',
+                'VALUES (new.id, ' || v_to_points || ', 0, ' || v_to_points || ', 0, 0)'
+            );
+
+            v_def := regexp_replace(
+                v_def,
+                E'\\n\\s*' || v_from_points || ',\\n\\s*' || v_from_points || ',\\n\\s*''register''',
+                E'\\n                ' || v_to_points || ',\\n                ' || v_to_points || ',\\n                ''register'''
+            );
+
+            EXECUTE v_def;
+        END;
+        $$;
+        """
+    )
+
+
+def upgrade() -> None:
+    _rewrite_signup_function(from_points=100, to_points=60)
+
+
+def downgrade() -> None:
+    _rewrite_signup_function(from_points=60, to_points=100)