113 lines
3.0 KiB
Python
113 lines
3.0 KiB
Python
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"""bind_profiles_to_auth_users
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Revision ID: 20260224_bind_profiles_auth
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Revises: 85d25a191d06
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Create Date: 2026-02-24 17:55:00.000000
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"""
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from typing import Sequence, Union
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from alembic import op
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# revision identifiers, used by Alembic.
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revision: str = "20260224_bind_profiles_auth"
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down_revision: Union[str, Sequence[str], None] = "85d25a191d06"
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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# Remove orphan profiles that are not backed by auth.users.
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# This guarantees FK creation will not fail on historical inconsistent data.
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op.execute(
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"""
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DELETE FROM public.profiles p
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WHERE NOT EXISTS (
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SELECT 1
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FROM auth.users u
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WHERE u.id = p.id
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)
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"""
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)
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# Backfill profile rows for existing auth users.
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op.execute(
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"""
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INSERT INTO public.profiles (id, username, display_name)
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SELECT
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u.id,
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'user_' || substr(replace(u.id::text, '-', ''), 1, 25),
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COALESCE(
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NULLIF(u.raw_user_meta_data->>'display_name', ''),
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NULLIF(u.raw_user_meta_data->>'full_name', '')
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)
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FROM auth.users u
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LEFT JOIN public.profiles p ON p.id = u.id
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WHERE p.id IS NULL
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"""
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)
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# Enforce one-to-one binding between profiles.id and auth.users.id.
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op.execute(
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"""
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ALTER TABLE public.profiles
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ADD CONSTRAINT fk_profiles_id_auth_users
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FOREIGN KEY (id) REFERENCES auth.users(id)
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ON DELETE CASCADE
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"""
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)
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# Auto-create profile rows when new auth users are registered.
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op.execute(
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"""
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CREATE OR REPLACE FUNCTION public.create_profile_for_new_user()
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RETURNS trigger
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LANGUAGE plpgsql
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SECURITY DEFINER
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SET search_path = public
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AS $$
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BEGIN
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INSERT INTO public.profiles (id, username, display_name)
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VALUES (
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NEW.id,
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'user_' || substr(replace(NEW.id::text, '-', ''), 1, 25),
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COALESCE(
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NULLIF(NEW.raw_user_meta_data->>'display_name', ''),
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NULLIF(NEW.raw_user_meta_data->>'full_name', '')
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)
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)
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ON CONFLICT (id) DO NOTHING;
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RETURN NEW;
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END;
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$$
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"""
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)
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op.execute(
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"""
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DROP TRIGGER IF EXISTS on_auth_user_created ON auth.users
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"""
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)
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op.execute(
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"""
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CREATE TRIGGER on_auth_user_created
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AFTER INSERT ON auth.users
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FOR EACH ROW
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EXECUTE FUNCTION public.create_profile_for_new_user()
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"""
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)
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def downgrade() -> None:
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op.execute("DROP TRIGGER IF EXISTS on_auth_user_created ON auth.users")
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op.execute("DROP FUNCTION IF EXISTS public.create_profile_for_new_user()")
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op.execute(
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"""
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ALTER TABLE public.profiles
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DROP CONSTRAINT IF EXISTS fk_profiles_id_auth_users
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"""
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)
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