addons/purchase_requisition/purchase_requisition.py

   1 # -*- encoding: utf-8 -*-
   2 ##############################################################################
   3 #
   4 #    OpenERP, Open Source Management Solution
   5 #    Copyright (C) 2004-2010 Tiny SPRL (<http://tiny.be>). All Rights Reserved
   6 #    $Id$
   7 #
   8 #    This program is free software: you can redistribute it and/or modify
   9 #    it under the terms of the GNU Affero General Public License as published by
  10 #    the Free Software Foundation, either version 3 of the License, or
  11 #    (at your option) any later version.
  12 #
  13 #    This program is distributed in the hope that it will be useful,
  14 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 #    GNU Affero General Public License for more details.
  17 #
  18 #    You should have received a copy of the GNU Affero General Public License
  19 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21 ##############################################################################
  22 from datetime import datetime
  23 from dateutil.relativedelta import relativedelta
  24 import time
  25 import netsvc
  26
  27 from osv import fields,osv
  28 from tools.translate import _
  29 import decimal_precision as dp
  30
  31 class purchase_requisition(osv.osv):
  32     _name = "purchase.requisition"
  33     _description="Purchase Requisition"
  34     _inherit = ['mail.thread', 'ir.needaction_mixin']
  35     _columns = {
  36         'name': fields.char('Requisition Reference', size=32,required=True),
  37         'origin': fields.char('Source', size=32),
  38         'date_start': fields.datetime('Requisition Date'),
  39         'date_end': fields.datetime('Requisition Deadline'),
  40         'user_id': fields.many2one('res.users', 'Responsible'),
  41         'exclusive': fields.selection([('exclusive','Purchase Requisition (exclusive)'),('multiple','Multiple Requisitions')],'Requisition Type', required=True, help="Purchase Requisition (exclusive):  On the confirmation of a purchase order, it cancels the remaining purchase order.\nPurchase Requisition(Multiple):  It allows to have multiple purchase orders.On confirmation of a purchase order it does not cancel the remaining orders"""),
  42         'description': fields.text('Description'),
  43         'company_id': fields.many2one('res.company', 'Company', required=True),
  44         'purchase_ids' : fields.one2many('purchase.order','requisition_id','Purchase Orders',states={'done': [('readonly', True)]}),
  45         'line_ids' : fields.one2many('purchase.requisition.line','requisition_id','Products to Purchase',states={'done': [('readonly', True)]}),
  46         'warehouse_id': fields.many2one('stock.warehouse', 'Warehouse'),
  47         'state': fields.selection([('draft','New'),('in_progress','Sent to Suppliers'),('cancel','Cancelled'),('done','Purchase Done')], 'Status', required=True)
  48     }
  49     _defaults = {
  50         'date_start': lambda *args: time.strftime('%Y-%m-%d %H:%M:%S'),
  51         'state': 'draft',
  52         'exclusive': 'multiple',
  53         'company_id': lambda self, cr, uid, c: self.pool.get('res.company')._company_default_get(cr, uid, 'purchase.requisition', context=c),
  54         'user_id': lambda self, cr, uid, c: self.pool.get('res.users').browse(cr, uid, uid, c).id ,
  55         'name': lambda obj, cr, uid, context: obj.pool.get('ir.sequence').get(cr, uid, 'purchase.order.requisition'),
  56     }
  57
  58     def copy(self, cr, uid, id, default=None, context=None):
  59         if not default:
  60             default = {}
  61         default.update({
  62             'state':'draft',
  63             'purchase_ids':[],
  64             'name': self.pool.get('ir.sequence').get(cr, uid, 'purchase.order.requisition'),
  65         })
  66         return super(purchase_requisition, self).copy(cr, uid, id, default, context)
  67
  68     def tender_cancel(self, cr, uid, ids, context=None):
  69         purchase_order_obj = self.pool.get('purchase.order')
  70         for purchase in self.browse(cr, uid, ids, context=context):
  71             for purchase_id in purchase.purchase_ids:
  72                 if str(purchase_id.state) in('draft'):
  73                     purchase_order_obj.action_cancel(cr,uid,[purchase_id.id])
  74         self.write(cr, uid, ids, {'state': 'cancel'})
  75         self.cancel_send_note(cr, uid, ids, context=context)
  76         return True
  77
  78     def tender_in_progress(self, cr, uid, ids, context=None):
  79         self.write(cr, uid, ids, {'state':'in_progress'} ,context=context)
  80         self.in_progress_send_note(cr, uid, ids, context=context)
  81         return True
  82
  83     def tender_reset(self, cr, uid, ids, context=None):
  84         self.write(cr, uid, ids, {'state': 'draft'})
  85         self.reset_send_note(cr, uid, ids, context=context)
  86         return True
  87
  88     def tender_done(self, cr, uid, ids, context=None):
  89         self.write(cr, uid, ids, {'state':'done', 'date_end':time.strftime('%Y-%m-%d %H:%M:%S')}, context=context)
  90         self.done_to_send_note(cr, uid, ids, context=context)
  91         return True
  92
  93     def in_progress_send_note(self, cr, uid, ids, context=None):
  94         self.message_post(cr, uid, ids, body=_("Draft Requisition has been <b>sent to suppliers</b>."), context=context)
  95
  96     def reset_send_note(self, cr, uid, ids, context=None):
  97         self.message_post(cr, uid, ids, body=_("Purchase Requisition has been set to <b>draft</b>."), context=context)
  98
  99     def done_to_send_note(self, cr, uid, ids, context=None):
 100         self.message_post(cr, uid, ids, body=_("Purchase Requisition has been <b>done</b>."), context=context)
 101
 102     def cancel_send_note(self, cr, uid, ids, context=None):
 103         self.message_post(cr, uid, ids, body=_("Purchase Requisition has been <b>cancelled</b>."), context=context)
 104
 105     def _planned_date(self, requisition, delay=0.0):
 106         company = requisition.company_id
 107         date_planned = False
 108         if requisition.date_start:
 109             date_planned = datetime.strptime(requisition.date_start, '%Y-%m-%d %H:%M:%S') - relativedelta(days=company.po_lead)
 110         else:
 111             date_planned = datetime.today() - relativedelta(days=company.po_lead)
 112         if delay:
 113             date_planned -= relativedelta(days=delay)
 114         return date_planned and date_planned.strftime('%Y-%m-%d %H:%M:%S') or False
 115
 116     def _seller_details(self, cr, uid, requisition_line, supplier, context=None):
 117         product_uom = self.pool.get('product.uom')
 118         pricelist = self.pool.get('product.pricelist')
 119         supplier_info = self.pool.get("product.supplierinfo")
 120         product = requisition_line.product_id
 121         default_uom_po_id = product.uom_po_id.id
 122         qty = product_uom._compute_qty(cr, uid, requisition_line.product_uom_id.id, requisition_line.product_qty, default_uom_po_id)
 123         seller_delay = 0.0
 124         seller_price = False
 125         seller_qty = False
 126         for product_supplier in product.seller_ids:
 127             if supplier.id ==  product_supplier.name and qty >= product_supplier.qty:
 128                 seller_delay = product_supplier.delay
 129                 seller_qty = product_supplier.qty
 130         supplier_pricelist = supplier.property_product_pricelist_purchase or False
 131         seller_price = pricelist.price_get(cr, uid, [supplier_pricelist.id], product.id, qty, False, {'uom': default_uom_po_id})[supplier_pricelist.id]
 132         if seller_qty:
 133             qty = max(qty,seller_qty)
 134         date_planned = self._planned_date(requisition_line.requisition_id, seller_delay)
 135         return seller_price, qty, default_uom_po_id, date_planned
 136
 137     def make_purchase_order(self, cr, uid, ids, partner_id, context=None):
 138         """
 139         Create New RFQ for Supplier
 140         """
 141         if context is None:
 142             context = {}
 143         assert partner_id, 'Supplier should be specified'
 144         purchase_order = self.pool.get('purchase.order')
 145         purchase_order_line = self.pool.get('purchase.order.line')
 146         res_partner = self.pool.get('res.partner')
 147         fiscal_position = self.pool.get('account.fiscal.position')
 148         supplier = res_partner.browse(cr, uid, partner_id, context=context)
 149         supplier_pricelist = supplier.property_product_pricelist_purchase or False
 150         res = {}
 151         for requisition in self.browse(cr, uid, ids, context=context):
 152             if supplier.id in filter(lambda x: x, [rfq.state <> 'cancel' and rfq.partner_id.id or None for rfq in requisition.purchase_ids]):
 153                  raise osv.except_osv(_('Warning!'), _('You have already one %s purchase order for this partner, you must cancel this purchase order to create a new quotation.') % rfq.state)
 154             location_id = requisition.warehouse_id.lot_input_id.id
 155             purchase_id = purchase_order.create(cr, uid, {
 156                         'origin': requisition.name,
 157                         'partner_id': supplier.id,
 158                         'pricelist_id': supplier_pricelist.id,
 159                         'location_id': location_id,
 160                         'company_id': requisition.company_id.id,
 161                         'fiscal_position': supplier.property_account_position and supplier.property_account_position.id or False,
 162                         'requisition_id':requisition.id,
 163                         'notes':requisition.description,
 164                         'warehouse_id':requisition.warehouse_id.id ,
 165             })
 166             res[requisition.id] = purchase_id
 167             for line in requisition.line_ids:
 168                 product = line.product_id
 169                 seller_price, qty, default_uom_po_id, date_planned = self._seller_details(cr, uid, line, supplier, context=context)
 170                 taxes_ids = product.supplier_taxes_id
 171                 taxes = fiscal_position.map_tax(cr, uid, supplier.property_account_position, taxes_ids)
 172                 purchase_order_line.create(cr, uid, {
 173                     'order_id': purchase_id,
 174                     'name': product.partner_ref,
 175                     'product_qty': qty,
 176                     'product_id': product.id,
 177                     'product_uom': default_uom_po_id,
 178                     'price_unit': seller_price,
 179                     'date_planned': date_planned,
 180                     'taxes_id': [(6, 0, taxes)],
 181                 }, context=context)
 182
 183         return res
 184
 185     def create_send_note(self, cr, uid, ids, context=None):
 186         return self.message_post(cr, uid, ids, body=_("Purchase Requisition has been <b>created</b>."), context=context)
 187
 188     def create(self, cr, uid, vals, context=None):
 189         requisition =  super(purchase_requisition, self).create(cr, uid, vals, context=context)
 190         if requisition:
 191             self.create_send_note(cr, uid, [requisition], context=context)
 192         return requisition
 193
 194 purchase_requisition()
 195
 196 class purchase_requisition_line(osv.osv):
 197
 198     _name = "purchase.requisition.line"
 199     _description="Purchase Requisition Line"
 200     _rec_name = 'product_id'
 201
 202     _columns = {
 203         'product_id': fields.many2one('product.product', 'Product' ),
 204         'product_uom_id': fields.many2one('product.uom', 'Product Unit of Measure'),
 205         'product_qty': fields.float('Quantity', digits_compute=dp.get_precision('Product Unit of Measure')),
 206         'requisition_id' : fields.many2one('purchase.requisition','Purchase Requisition', ondelete='cascade'),
 207         'company_id': fields.related('requisition_id','company_id',type='many2one',relation='res.company',string='Company', store=True, readonly=True),
 208     }
 209
 210     def onchange_product_id(self, cr, uid, ids, product_id,product_uom_id, context=None):
 211         """ Changes UoM and name if product_id changes.
 212         @param name: Name of the field
 213         @param product_id: Changed product_id
 214         @return:  Dictionary of changed values
 215         """
 216         value = {'product_uom_id': ''}
 217         if product_id:
 218             prod = self.pool.get('product.product').browse(cr, uid, product_id, context=context)
 219             value = {'product_uom_id': prod.uom_id.id,'product_qty':1.0}
 220         return {'value': value}
 221
 222     _defaults = {
 223         'company_id': lambda self, cr, uid, c: self.pool.get('res.company')._company_default_get(cr, uid, 'purchase.requisition.line', context=c),
 224     }
 225 purchase_requisition_line()
 226
 227 class purchase_order(osv.osv):
 228     _inherit = "purchase.order"
 229     _columns = {
 230         'requisition_id' : fields.many2one('purchase.requisition','Purchase Requisition')
 231     }
 232
 233     def wkf_confirm_order(self, cr, uid, ids, context=None):
 234         res = super(purchase_order, self).wkf_confirm_order(cr, uid, ids, context=context)
 235         proc_obj = self.pool.get('procurement.order')
 236         for po in self.browse(cr, uid, ids, context=context):
 237             if po.requisition_id and (po.requisition_id.exclusive=='exclusive'):
 238                 for order in po.requisition_id.purchase_ids:
 239                     if order.id != po.id:
 240                         proc_ids = proc_obj.search(cr, uid, [('purchase_id', '=', order.id)])
 241                         if proc_ids and po.state=='confirmed':
 242                             proc_obj.write(cr, uid, proc_ids, {'purchase_id': po.id})
 243                         wf_service = netsvc.LocalService("workflow")
 244                         wf_service.trg_validate(uid, 'purchase.order', order.id, 'purchase_cancel', cr)
 245                     po.requisition_id.tender_done(context=context)
 246         return res
 247
 248 purchase_order()
 249
 250 class product_product(osv.osv):
 251     _inherit = 'product.product'
 252
 253     _columns = {
 254         'purchase_requisition': fields.boolean('Purchase Requisition', help="Check this box to generates purchase requisition instead of generating requests for quotation from procurement.")
 255     }
 256     _defaults = {
 257         'purchase_requisition': False
 258     }
 259
 260 product_product()
 261
 262 class procurement_order(osv.osv):
 263
 264     _inherit = 'procurement.order'
 265     _columns = {
 266         'requisition_id' : fields.many2one('purchase.requisition','Latest Requisition')
 267     }
 268     def make_po(self, cr, uid, ids, context=None):
 269         res = {}
 270         sequence_obj = self.pool.get('ir.sequence')
 271         requisition_obj = self.pool.get('purchase.requisition')
 272         warehouse_obj = self.pool.get('stock.warehouse')
 273         procurement = self.browse(cr, uid, ids, context=context)[0]
 274         if procurement.product_id.purchase_requisition:
 275              seq_name = sequence_obj.get(cr, uid, 'purchase.order.requisition')
 276              warehouse_id = warehouse_obj.search(cr, uid, [('company_id', '=', procurement.company_id.id or company.id)], context=context)
 277              res[procurement.id] = requisition_obj.create(cr, uid,
 278                    {
 279                     'name': seq_name,
 280                     'origin': procurement.origin,
 281                     'date_end': procurement.date_planned,
 282                     'warehouse_id':warehouse_id and warehouse_id[0] or False,
 283                     'company_id':procurement.company_id.id,
 284                     'line_ids': [(0,0,{
 285                         'product_id': procurement.product_id.id,
 286                         'product_uom_id': procurement.product_uom.id,
 287                         'product_qty': procurement.product_qty
 288
 289                    })],
 290                 })
 291              self.write(cr,uid,[procurement.id],{'state': 'running','requisition_id': res[procurement.id]},context=context)
 292         else:
 293             res = super(procurement_order, self).make_po(cr, uid, ids, context=context)
 294         return res
 295
 296 procurement_order()
 297
 298 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: