# ERPNext - web based ERP (http://erpnext.com)
# Copyright (C) 2012 Web Notes Technologies Pvt Ltd
# 
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

def execute():
    import webnotes
    sql = webnotes.conn.sql
    from webnotes.model.code import get_obj
    from webnotes.utils import flt

    # update incoming rate in serial nos
    sr = sql("""select name, item_code, purchase_document_no from `tabSerial No`
            where docstatus = 1 and purchase_document_type = 'Purchase Receipt'""")
    for d in sr:
        val_rate = sql("""select valuation_rate from `tabPurchase Receipt Item`
            where item_code = %s and parent = %s""", (d[1], d[2]))
        sql("""update `tabSerial No` set purchase_rate = %s where name = %s""",
           (val_rate and flt(val_rate[0][0]) or 0, d[0]))
    
    
    # repost for all serialized item
    bin = sql("""select t1.name from `tabBin` t1, tabItem t2 where t1.item_code = t2.name and ifnull(has_serial_no, 'No') = 'Yes'""")
    for d in bin:
        get_obj('Bin', d[0]).update_entries_after(posting_date = '2000-01-01', posting_time = '12:00')
        sql("commit")
        sql("start transaction")