def introduce_performer(app_id, uid, sex=None, year=None, city=None, secret=None):
	if secret is None: secret = get_app(app_id).secret
	params = dict(method='introducePerformer', app_id=app_id, uid=uid)
	dict_update_filled_params(params, sex=sex, year=year, city=city)
	return api_get(params, secret)
	
	
	
def do_offer(offer_id, app_id, uid, platform, secret=None):
	if secret is None: secret = get_app(app_id).secret
	params = dict(
		method='doOffer',
		app_id=app_id,
		offer_id=offer_id,
		uid=uid,
		platform=platform)
	return api_get(params, secret)
def get_offers(app_id, uid, filter, hour=None, secret=None):
	if secret is None: secret = get_app(app_id).secret
	params = dict(
		method='getOffers',
		format='JSON',
		app_id=app_id,
		uid=uid,
		filter=filter)
	if hour is not None: params.update(hour=hour)
	return api_get(params, secret)