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[IMP] base: Improved currency rate function to avoid sql query. 

bzr revid: uco@tinyerp.com-20110712124253-vy1g8lq40jsdmyi8
This commit is contained in:
Ujjvala Collins (OpenERP) 2011-07-12 18:12:53 +05:30
parent 5c7075cac6
commit b9cc3d22b6
1 changed files with 10 additions and 8 deletions
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18
openerp/addons/base/res/res_currency.py
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@ -28,6 +28,7 @@ from tools.translate import _
class res_currency(osv.osv):
def _current_rate(self, cr, uid, ids, name, arg, context=None):
currency_rate_obj = self.pool.get('res.currency.rate')
if context is None:
context = {}
res = {}
@ -36,15 +37,16 @@ class res_currency(osv.osv):
else:
date = time.strftime('%Y-%m-%d')
date = date or time.strftime('%Y-%m-%d')
currency_rate_type_id = context.get('currency_rate_type_id', 0)
domain = [('currency_id','in',ids), ('name','<=',date)]
currency_rate_type_id = context.get('currency_rate_type_id', False)
if currency_rate_type_id:
domain.append(('currency_rate_type_id','=',currency_rate_type_id))
curr_rate_ids = currency_rate_obj.search(cr, uid, domain, context=context)
for id in ids:
cr.execute("SELECT currency_id, rate FROM res_currency_rate "\
"WHERE currency_id = %s AND name <= %s AND currency_rate_type_id = %s "\
"ORDER BY name desc LIMIT 1" ,(id, date, currency_rate_type_id))
if cr.rowcount:
id, rate = cr.fetchall()[0]
res[id] = rate
if curr_rate_ids:
for cur in currency_rate_obj.browse(cr, uid, curr_rate_ids, context=context):
if cur.currency_id.id == id:
res[id] = cur.rate
else:
res[id] = 0