# -*- coding: utf-8 -*-
from openerp.http import request as r


def get_pricelist_id(currency_id):
    if not currency_id:
        return None

    domain = [
        ('active', '=', True),
        ('type', '=', 'sale')
    ]

    pricelist = r.env['product.pricelist'].search(domain)

    if not True in pricelist.mapped(lambda p: p.currency_id.id == currency_id):
        pricelist = pricelist[0].copy()

        pricelist.write({
            'currency_id': currency_id
        })
    else:
        pricelist = pricelist.filtered(lambda p: p.currency_id.id == currency_id)

    if len(pricelist) > 1:
        pricelist = pricelist[0]

    # lambda self, cr, uid, context: context.get('partner_id', False) and self.pool.get('res.partner').browse(cr, uid, context['partner_id']).property_product_pricelist_purchase.id
    
    return pricelist.id