forked from EduCraft/curriculum-project-hub
32 lines
1.2 KiB
PL/PgSQL
32 lines
1.2 KiB
PL/PgSQL
-- ADR-0017: once an Organization starts configuring roles, every committed
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-- state must contain exactly one active default. The deferred trigger permits
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-- an atomic default switch while rejecting zero-default transitions.
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CREATE FUNCTION cph_enforce_agent_role_default() RETURNS trigger
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LANGUAGE plpgsql AS $$
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DECLARE
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target_organization_id TEXT := COALESCE(NEW."organizationId", OLD."organizationId");
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active_default_count INTEGER;
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BEGIN
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IF NOT EXISTS (SELECT 1 FROM "Organization" WHERE "id" = target_organization_id) THEN
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RETURN NULL;
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END IF;
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SELECT count(*) INTO active_default_count
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FROM "OrganizationAgentRole"
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WHERE "organizationId" = target_organization_id
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AND "isDefault" = true
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AND "disabledAt" IS NULL;
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IF active_default_count <> 1 THEN
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RAISE EXCEPTION 'Organization % must have exactly one active default Agent role; found %',
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target_organization_id, active_default_count;
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END IF;
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RETURN NULL;
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END;
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$$;
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CREATE CONSTRAINT TRIGGER "OrganizationAgentRole_exactly_one_active_default"
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AFTER INSERT OR UPDATE OR DELETE ON "OrganizationAgentRole"
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DEFERRABLE INITIALLY DEFERRED
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FOR EACH ROW EXECUTE FUNCTION cph_enforce_agent_role_default();
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