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     def get_price(self, cr, uid, ids, field_name, arg=None, context=None):
  44         res={}
  45         if context is None:
  46             context = {}
  47         sale_obj=self.pool.get('sale.order')
  48         grid_obj=self.pool.get('delivery.grid')
  49         for carrier in self.browse(cr, uid, ids, context=context):
  50             order_id=context.get('order_id',False)
  51             price=False
  52             if order_id:
  53               order = sale_obj.browse(cr, uid, order_id, context=context)
  54               carrier_grid=self.grid_get(cr,uid,[carrier.id],order.partner_shipping_id.id,context)
  55               if carrier_grid:
  56                   price=grid_obj.get_price(cr, uid, carrier_grid, order, time.strftime('%Y-%m-%d'), context)
  57               else:
  58                   price = 0.0
  59             res[carrier.id]=price
  60         return res
  61     _columns = {
  62         'name': fields.char('Carrier', size=64, required=True),
  63         'partner_id': fields.many2one('res.partner', 'Carrier Partner', required=True),
  64         'product_id': fields.many2one('product.product', 'Delivery Product', required=True),
  65         'grids_id': fields.one2many('delivery.grid', 'carrier_id', 'Delivery Grids'),
  66         'price' : fields.function(get_price, method=True,string='Price'),
  67         '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."),
  68         'normal_price': fields.float('Normal Price'),
  69         'free_if_more_than': fields.boolean('Free If More Than'),
  70         'amount': fields.float('Amount'),
  71         'use_detailed_pricelist': fields.boolean('Use Detailed Pricelist'),
  72         'pricelist_ids': fields.one2many('delivery.grid', 'carrier_id', 'Price List'),
  73
  74     }
  75
  76     _defaults = {
  77         'active': lambda *args:1,
  78         'free_if_more_than': lambda *args: False
  79     }
  80
  81     def grid_get(self, cr, uid, ids, contact_id, context=None):
  82         contact = self.pool.get('res.partner.address').browse(cr, uid, contact_id, context=context)
  83         for carrier in self.browse(cr, uid, ids, context=context):
  84             for grid in carrier.grids_id:
  85                 get_id = lambda x: x.id
  86                 country_ids = map(get_id, grid.country_ids)
  87                 state_ids = map(get_id, grid.state_ids)
  88                 if country_ids and not contact.country_id.id in country_ids:
  89                     continue
  90                 if state_ids and not contact.state_id.id in state_ids:
  91                     continue
  92                 if grid.zip_from and (contact.zip or '')< grid.zip_from:
  93                     continue
  94                 if grid.zip_to and (contact.zip or '')> grid.zip_to:
  95                     continue
  96                 return grid.id
  97         return False
  98
  99     def create_grid_lines(self, cr, uid, ids, vals, context=None):
 100         if context == None:
 101             context = {}
 102         grid_line_pool = self.pool.get('delivery.grid.line')
 103         grid_pool = self.pool.get('delivery.grid')
 104         for record in self.browse(cr, uid, ids, context=context):
 105             grid_id = grid_pool.search(cr, uid, [('carrier_id', '=', record.id)], context=context)
 106             if not grid_id:
 107                 record_data = {
 108                     'name': vals.get('name', False),
 109                     'carrier_id': record.id,
 110                     'seqeunce': 10,
 111                 }
 112                 new_grid_id = grid_pool.create(cr, uid, record_data, context=context)
 113                 grid_id = [new_grid_id]
 114
 115             if record.free_if_more_than:
 116                 grid_lines = []
 117                 for line in grid_pool.browse(cr, uid, grid_id[0]).line_ids:
 118                     if line.type == 'price':
 119                         grid_lines.append(line.id)
 120                 grid_line_pool.unlink(cr, uid, grid_lines, context=context)
 121                 data = {
 122                     'grid_id': grid_id and grid_id[0],
 123                     'name': _('Free if more than %d') % record.amount,
 124                     'type': 'price',
 125                     'operator': '>=',
 126                     'max_value': record.amount,
 127                     'standard_price': 0.0,
 128                     'list_price': 0.0,
 129                 }
 130                 grid_line_pool.create(cr, uid, data, context=context)
 131             else:
 132                 _lines = []
 133                 for line in grid_pool.browse(cr, uid, grid_id[0], context=context).line_ids:
 134                     if line.type == 'price':
 135                         _lines.append(line.id)
 136                 grid_line_pool.unlink(cr, uid, _lines, context=context)
 137
 138             if record.normal_price:
 139                 default_data = {
 140                     'grid_id': grid_id and grid_id[0],
 141                     'name': _('Default price'),
 142                     'type': 'price',
 143                     'operator': '>=',
 144                     'max_value': 0.0,
 145                     'standard_price': record.normal_price,
 146                     'list_price': record.normal_price,
 147                 }
 148                 grid_line_pool.create(cr, uid, default_data, context=context)
 149
 150         return True
 151
 152     def write(self, cr, uid, ids, vals, context=None):
 153         if context == None:
 154             context = {}
 155         res_id = super(delivery_carrier, self).write(cr, uid, ids, vals, context=context)
 156         self.create_grid_lines(cr, uid, ids, vals, context=context)
 157         return res_id
 158
 159     def create(self, cr, uid, vals, context=None):
 160         if context == None:
 161             context = {}
 162         res_id = super(delivery_carrier, self).create(cr, uid, vals, context=context)
 163         self.create_grid_lines(cr, uid, [res_id], vals, context=context)
 164         return res_id
 165
 166 delivery_carrier()
 167
 168 class delivery_grid(osv.osv):
 169     _name = "delivery.grid"
 170     _description = "Delivery Grid"
 171     _columns = {
 172         'name': fields.char('Grid Name', size=64, required=True),
 173         'sequence': fields.integer('Sequence', size=64, required=True, help="Gives the sequence order when displaying a list of delivery grid."),
 174         'carrier_id': fields.many2one('delivery.carrier', 'Carrier', required=True, ondelete='cascade'),
 175         'country_ids': fields.many2many('res.country', 'delivery_grid_country_rel', 'grid_id', 'country_id', 'Countries'),
 176         'state_ids': fields.many2many('res.country.state', 'delivery_grid_state_rel', 'grid_id', 'state_id', 'States'),
 177         'zip_from': fields.char('Start Zip', size=12),
 178         'zip_to': fields.char('To Zip', size=12),
 179         'line_ids': fields.one2many('delivery.grid.line', 'grid_id', 'Grid Line'),
 180         '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."),
 181     }
 182     _defaults = {
 183         'active': lambda *a: 1,
 184         'sequence': lambda *a: 1,
 185     }
 186     _order = 'sequence'
 187
 188     def get_price(self, cr, uid, id, order, dt, context=None):
 189         total = 0
 190         weight = 0
 191         volume = 0
 192         for line in order.order_line:
 193             if not line.product_id:
 194                 continue
 195             total += line.price_subtotal or 0.0
 196             weight += (line.product_id.weight or 0.0) * line.product_uom_qty
 197             volume += (line.product_id.volume or 0.0) * line.product_uom_qty
 198
 199
 200         return self.get_price_from_picking(cr, uid, id, total,weight, volume, context=context)
 201
 202     def get_price_from_picking(self, cr, uid, id, total, weight, volume, context=None):
 203         grid = self.browse(cr, uid, id, context=context)
 204         price = 0.0
 205         ok = False
 206
 207         for line in grid.line_ids:
 208             price_dict = {'price': total, 'volume':volume, 'weight': weight, 'wv':volume*weight}
 209             test = eval(line.type+line.operator+str(line.max_value), price_dict)
 210             if test:
 211                 if line.price_type=='variable':
 212                     price = line.list_price * price_dict[line.variable_factor]
 213                 else:
 214                     price = line.list_price
 215                 ok = True
 216                 break
 217         if not ok:
 218             raise osv.except_osv(_('No price available !'), _('No line matched this order in the choosed delivery grids !'))
 219
 220         return price
 221
 222
 223 delivery_grid()
 224
 225 class delivery_grid_line(osv.osv):
 226     _name = "delivery.grid.line"
 227     _description = "Delivery Grid Line"
 228     _columns = {
 229         'name': fields.char('Name', size=32, required=True),
 230         'grid_id': fields.many2one('delivery.grid', 'Grid',required=True),
 231         'type': fields.selection([('weight','Weight'),('volume','Volume'),\
 232                                   ('wv','Weight * Volume'), ('price','Price')],\
 233                                   'Variable', required=True),
 234         'operator': fields.selection([('==','='),('<=','<='),('>=','>=')], 'Operator', required=True),
 235         'max_value': fields.float('Maximum Value', required=True),
 236         'price_type': fields.selection([('fixed','Fixed'),('variable','Variable')], 'Price Type', required=True),
 237         'variable_factor': fields.selection([('weight','Weight'),('volume','Volume'),('wv','Weight * Volume'), ('price','Price')], 'Variable Factor', required=True),
 238         'list_price': fields.float('Sale Price', required=True),
 239         'standard_price': fields.float('Cost Price', required=True),
 240     }
 241     _defaults = {
 242         'type': lambda *args: 'weight',
 243         'operator': lambda *args: '<=',
 244         'price_type': lambda *args: 'fixed',
 245         'variable_factor': lambda *args: 'weight',
 246     }
 247     _order = 'list_price'
 248
 249 delivery_grid_line()
 250
 251
 252 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
 253