addons/delivery/delivery.py

   1 # -*- coding: utf-8 -*-
   2 ##############################################################################
   3 #
   4 #    OpenERP, Open Source Management Solution
   5 #    Copyright (C) 2004-2010 Tiny SPRL (<http://tiny.be>).
   6 #
   7 #    This program is free software: you can redistribute it and/or modify
   8 #    it under the terms of the GNU Affero General Public License as
   9 #    published by the Free Software Foundation, either version 3 of the
  10 #    License, or (at your option) any later version.
  11 #
  12 #    This program is distributed in the hope that it will be useful,
  13 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 #    GNU Affero General Public License for more details.
  16 #
  17 #    You should have received a copy of the GNU Affero General Public License
  18 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20 ##############################################################################
  21
  22 import time
  23 from osv import fields,osv
  24 from tools.translate import _
  25
  26 class delivery_carrier(osv.osv):
  27     _name = "delivery.carrier"
  28     _description = "Carrier"
  29
  30     def name_get(self, cr, uid, ids, context=None):
  31         if not len(ids):
  32             return []
  33         if context is None:
  34             context = {}
  35         order_id = context.get('order_id',False)
  36         if not order_id:
  37             res = super(delivery_carrier, self).name_get(cr, uid, ids, context=context)
  38         else:
  39             order = self.pool.get('sale.order').browse(cr, uid, order_id, context=context)
  40             currency = order.pricelist_id.currency_id.name or ''
  41             res = [(r['id'], r['name']+' ('+(str(r['price']))+' '+currency+')') for r in self.read(cr, uid, ids, ['name', 'price'], context)]
  42         return res
  43
  44     def get_price(self, cr, uid, ids, field_name, arg=None, context=None):
  45         res={}
  46         if context is None:
  47             context = {}
  48         sale_obj=self.pool.get('sale.order')
  49         grid_obj=self.pool.get('delivery.grid')
  50         for carrier in self.browse(cr, uid, ids, context=context):
  51             order_id=context.get('order_id',False)
  52             price=False
  53             if order_id:
  54               order = sale_obj.browse(cr, uid, order_id, context=context)
  55               carrier_grid=self.grid_get(cr,uid,[carrier.id],order.partner_shipping_id.id,context)
  56               if carrier_grid:
  57                   price=grid_obj.get_price(cr, uid, carrier_grid, order, time.strftime('%Y-%m-%d'), context)
  58               else:
  59                   price = 0.0
  60             res[carrier.id]=price
  61         return res
  62
  63     _columns = {
  64         'name': fields.char('Carrier', size=64, required=True),
  65         'partner_id': fields.many2one('res.partner', 'Carrier Partner', required=True),
  66         'product_id': fields.many2one('product.product', 'Delivery Product', required=True),
  67         'grids_id': fields.one2many('delivery.grid', 'carrier_id', 'Delivery Grids'),
  68         'price' : fields.function(get_price, method=True,string='Price'),
  69         'active': fields.boolean('Active', help="If the active field is set to False, it will allow you to hide the delivery carrier without removing it."),
  70         'normal_price': fields.float('Normal Price'),
  71         'free_if_more_than': fields.boolean('Free If More Than'),
  72         'amount': fields.float('Amount'),
  73         'use_detailed_pricelist': fields.boolean('Use Detailed Pricelist'),
  74         'pricelist_ids': fields.one2many('delivery.grid', 'carrier_id', 'Price List'),
  75
  76     }
  77
  78     _defaults = {
  79         'active': 1,
  80         'free_if_more_than': False,
  81     }
  82
  83     def grid_get(self, cr, uid, ids, contact_id, context=None):
  84         contact = self.pool.get('res.partner.address').browse(cr, uid, contact_id, context=context)
  85         for carrier in self.browse(cr, uid, ids, context=context):
  86             for grid in carrier.grids_id:
  87                 get_id = lambda x: x.id
  88                 country_ids = map(get_id, grid.country_ids)
  89                 state_ids = map(get_id, grid.state_ids)
  90                 if country_ids and not contact.country_id.id in country_ids:
  91                     continue
  92                 if state_ids and not contact.state_id.id in state_ids:
  93                     continue
  94                 if grid.zip_from and (contact.zip or '')< grid.zip_from:
  95                     continue
  96                 if grid.zip_to and (contact.zip or '')> grid.zip_to:
  97                     continue
  98                 return grid.id
  99         return False
 100
 101     def create_grid_lines(self, cr, uid, ids, vals, context=None):
 102         if context == None:
 103             context = {}
 104         grid_line_pool = self.pool.get('delivery.grid.line')
 105         grid_pool = self.pool.get('delivery.grid')
 106         for record in self.browse(cr, uid, ids, context=context):
 107             grid_id = grid_pool.search(cr, uid, [('carrier_id', '=', record.id)], context=context)
 108             if not grid_id:
 109                 record_data = {
 110                     'name': vals.get('name', False),
 111                     'carrier_id': record.id,
 112                     'seqeunce': 10,
 113                 }
 114                 new_grid_id = grid_pool.create(cr, uid, record_data, context=context)
 115                 grid_id = [new_grid_id]
 116
 117             #delete all existing grid lines
 118             grid_lines = [line.id for line in grid_pool.browse(cr, uid, grid_id[0]).line_ids if line.type == 'price']
 119             grid_line_pool.unlink(cr, uid, grid_lines, context=context)
 120
 121             #create the grid lines
 122             if record.free_if_more_than:
 123                 data = {
 124                     'grid_id': grid_id and grid_id[0],
 125                     'name': _('Free if more than %d') % record.amount,
 126                     'type': 'price',
 127                     'operator': '>=',
 128                     'max_value': record.amount,
 129                     'standard_price': 0.0,
 130                     'list_price': 0.0,
 131                 }
 132                 grid_line_pool.create(cr, uid, data, context=context)
 133
 134             if record.normal_price:
 135                 default_data = {
 136                     'grid_id': grid_id and grid_id[0],
 137                     'name': _('Default price'),
 138                     'type': 'price',
 139                     'operator': '>=',
 140                     'max_value': 0.0,
 141                     'standard_price': record.normal_price,
 142                     'list_price': record.normal_price,
 143                 }
 144                 grid_line_pool.create(cr, uid, default_data, context=context)
 145         return True
 146
 147     def write(self, cr, uid, ids, vals, context=None):
 148         res_id = super(delivery_carrier, self).write(cr, uid, ids, vals, context=context)
 149         self.create_grid_lines(cr, uid, ids, vals, context=context)
 150         return res_id
 151
 152     def create(self, cr, uid, vals, context=None):
 153         res_id = super(delivery_carrier, self).create(cr, uid, vals, context=context)
 154         self.create_grid_lines(cr, uid, [res_id], vals, context=context)
 155         return res_id
 156
 157 delivery_carrier()
 158
 159 class delivery_grid(osv.osv):
 160     _name = "delivery.grid"
 161     _description = "Delivery Grid"
 162     _columns = {
 163         'name': fields.char('Grid Name', size=64, required=True),
 164         'sequence': fields.integer('Sequence', size=64, required=True, help="Gives the sequence order when displaying a list of delivery grid."),
 165         'carrier_id': fields.many2one('delivery.carrier', 'Carrier', required=True, ondelete='cascade'),
 166         'country_ids': fields.many2many('res.country', 'delivery_grid_country_rel', 'grid_id', 'country_id', 'Countries'),
 167         'state_ids': fields.many2many('res.country.state', 'delivery_grid_state_rel', 'grid_id', 'state_id', 'States'),
 168         'zip_from': fields.char('Start Zip', size=12),
 169         'zip_to': fields.char('To Zip', size=12),
 170         'line_ids': fields.one2many('delivery.grid.line', 'grid_id', 'Grid Line'),
 171         'active': fields.boolean('Active', help="If the active field is set to False, it will allow you to hide the delivery grid without removing it."),
 172     }
 173     _defaults = {
 174         'active': lambda *a: 1,
 175         'sequence': lambda *a: 1,
 176     }
 177     _order = 'sequence'
 178
 179     def get_price(self, cr, uid, id, order, dt, context=None):
 180         total = 0
 181         weight = 0
 182         volume = 0
 183         for line in order.order_line:
 184             if not line.product_id:
 185                 continue
 186             total += line.price_subtotal or 0.0
 187             weight += (line.product_id.weight or 0.0) * line.product_uom_qty
 188             volume += (line.product_id.volume or 0.0) * line.product_uom_qty
 189
 190
 191         return self.get_price_from_picking(cr, uid, id, total,weight, volume, context=context)
 192
 193     def get_price_from_picking(self, cr, uid, id, total, weight, volume, context=None):
 194         grid = self.browse(cr, uid, id, context=context)
 195         price = 0.0
 196         ok = False
 197
 198         for line in grid.line_ids:
 199             price_dict = {'price': total, 'volume':volume, 'weight': weight, 'wv':volume*weight}
 200             test = eval(line.type+line.operator+str(line.max_value), price_dict)
 201             if test:
 202                 if line.price_type=='variable':
 203                     price = line.list_price * price_dict[line.variable_factor]
 204                 else:
 205                     price = line.list_price
 206                 ok = True
 207                 break
 208         if not ok:
 209             raise osv.except_osv(_('No price available !'), _('No line matched this order in the choosed delivery grids !'))
 210
 211         return price
 212
 213
 214 delivery_grid()
 215
 216 class delivery_grid_line(osv.osv):
 217     _name = "delivery.grid.line"
 218     _description = "Delivery Grid Line"
 219     _columns = {
 220         'name': fields.char('Name', size=32, required=True),
 221         'grid_id': fields.many2one('delivery.grid', 'Grid',required=True),
 222         'type': fields.selection([('weight','Weight'),('volume','Volume'),\
 223                                   ('wv','Weight * Volume'), ('price','Price')],\
 224                                   'Variable', required=True),
 225         'operator': fields.selection([('==','='),('<=','<='),('>=','>=')], 'Operator', required=True),
 226         'max_value': fields.float('Maximum Value', required=True),
 227         'price_type': fields.selection([('fixed','Fixed'),('variable','Variable')], 'Price Type', required=True),
 228         'variable_factor': fields.selection([('weight','Weight'),('volume','Volume'),('wv','Weight * Volume'), ('price','Price')], 'Variable Factor', required=True),
 229         'list_price': fields.float('Sale Price', required=True),
 230         'standard_price': fields.float('Cost Price', required=True),
 231     }
 232     _defaults = {
 233         'type': lambda *args: 'weight',
 234         'operator': lambda *args: '<=',
 235         'price_type': lambda *args: 'fixed',
 236         'variable_factor': lambda *args: 'weight',
 237     }
 238     _order = 'list_price'
 239
 240 delivery_grid_line()
 241
 242
 243 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
 244