id,page,ref,title,content,breadcrumbs,references
plugin_hooks:read-permissions-from-a-custom-table,plugin_hooks,read-permissions-from-a-custom-table,Read permissions from a custom table,"This example stores grants in an internal table called  permission_grants 
                        with columns  (actor_id, action, parent, child, allow, reason) . 
                     from datasette import hookimpl
from datasette.permissions import PermissionSQL


@hookimpl
def permission_resources_sql(datasette, actor, action):
    if not actor:
        return None

    return PermissionSQL(
        sql=""""""
            SELECT
                parent,
                child,
                allow,
                COALESCE(reason, 'permission_grants table') AS reason
            FROM permission_grants
            WHERE actor_id = :grants_actor_id
              AND action = :grants_action
        """""",
        params={
            ""grants_actor_id"": actor.get(""id""),
            ""grants_action"": action,
        },
    )","[""Plugin hooks"", ""permission_resources_sql(datasette, actor, action)"", ""Permission plugin examples""]",[]