from mymontools.tools import build_q_for_fields_and_querydict

from .models import State, CfgState

##############################################################################

def build_q_for_state_filter(params):
	fields = (
		'hostname',
		'state',
		'sub',
		'start_time',
		'stop_time',
		'read',
		)

	return build_q_for_fields_and_querydict(fields, params)


def build_q_for_state_exclude(params):
	fields = (
		'exclude_state',
		'exclude_sub',
		'exclude_start_time',
		'exclude_stop_time',
		)

	return build_q_for_fields_and_querydict(fields, params)


def get_filtered_states_for_querydict(params, sortorder='-id'):
	states = State.objects.order_by(sortorder)
	return states.filter( build_q_for_state_filter(params) ).exclude( build_q_for_state_exclude(params) )