From 2a680205153ca2b838c8ee189652c63c6fce3854 Mon Sep 17 00:00:00 2001
From: Sebastien LANGE <sebatien.lange@syleam.fr>
Date: Sat, 20 Dec 2008 20:33:44 +0100
Subject: [PATCH] [IMP]  * Add wizard scan product to use barcode reader

bzr revid: sebatien.lange@syleam.fr-20081220193344-w4bt1ivc8tttlwsn
---
 addons/point_of_sale/pos.py                   | 47 +++++++++++++
 addons/point_of_sale/pos_wizard.xml           |  3 +
 addons/point_of_sale/wizard/__init__.py       |  1 +
 .../wizard/wizard_scan_product.py             | 70 +++++++++++++++++++
 4 files changed, 121 insertions(+)
 create mode 100644 addons/point_of_sale/wizard/wizard_scan_product.py

diff --git a/addons/point_of_sale/pos.py b/addons/point_of_sale/pos.py
index fc6e087fabf..18f37db8806 100644
--- a/addons/point_of_sale/pos.py
+++ b/addons/point_of_sale/pos.py
@@ -24,6 +24,7 @@ import time
 import netsvc
 from osv import fields, osv
 from mx import DateTime
+from tools.translate import _
 
 
 class pos_config_journal(osv.osv):
@@ -811,6 +812,52 @@ class pos_order_line(osv.osv):
             return False
         return super(pos_order_line, self).write(cr, user, ids, values, context)
 
+    def _scan_product(self, cr, uid, ean, qty, order):
+        # search pricelist_id
+        pricelist_id = self.pool.get('pos.order').read(cr, uid, [order], ['pricelist_id'] )
+        if not pricelist_id:
+            return False
+
+        new_line = True
+
+        product_id = self.pool.get('product.product').search(cr, uid, [('ean13','=', ean)])
+        if not product_id:
+           return false
+
+        # search price product
+        product = self.pool.get('product.product').read(cr, uid, product_id)
+        product_name = product[0]['name']
+        price = self.price_by_product(cr, uid, 0, pricelist_id[0]['pricelist_id'][0], product_id[0], 1)
+
+        order_line_ids = self.search(cr, uid, [('name','=',product_name),('order_id','=',order)])
+        if order_line_ids:
+            new_line = False
+            order_line_id = order_line_ids[0]
+            qty += self.read(cr, uid, order_line_ids[0], ['qty'])['qty']
+
+        if new_line:
+            vals = {'product_id': product_id[0],
+                    'price_unit': price,
+                    'qty': qty,
+                    'name': product_name,
+                    'order_id': order,
+                   }
+            line_id = self.create(cr, uid, vals)
+            if not line_id:
+                raise wizard.except_wizard(_('Error'), _('Create line failed !'))
+        else:
+            vals = {
+                'qty': qty,
+                'price_unit': price
+            }
+            line_id = self.write(cr, uid, order_line_id, vals)
+            if not line_id:
+                raise wizard.except_wizard(_('Error'), _('Modify line failed !'))
+            line_id = order_line_id
+
+        price_line = float(qty)*float(price)
+        return {'name': product_name, 'product_id': product_id[0], 'price': price, 'price_line': price_line ,'qty': qty }
+
 pos_order_line()
 
 
diff --git a/addons/point_of_sale/pos_wizard.xml b/addons/point_of_sale/pos_wizard.xml
index 67ff7069ae0..afef00eb17f 100644
--- a/addons/point_of_sale/pos_wizard.xml
+++ b/addons/point_of_sale/pos_wizard.xml
@@ -26,5 +26,8 @@
 		<wizard string="Get From Order" model="pos.order"
 				name="pos.sale.get" id="pos_sale_get"/>
 
+		<wizard string="Scan Product" model="pos.order"
+				name="pos.scan_product" id="pos_scan_product"/>
+
 	</data>
 </openerp>
diff --git a/addons/point_of_sale/wizard/__init__.py b/addons/point_of_sale/wizard/__init__.py
index 466b2ad22b3..858ea4a474a 100644
--- a/addons/point_of_sale/wizard/__init__.py
+++ b/addons/point_of_sale/wizard/__init__.py
@@ -27,5 +27,6 @@ import wizard_add_product
 import wizard_confirm
 import wizard_discount
 import wizard_get_sale
+import wizard_scan_product
 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
 
diff --git a/addons/point_of_sale/wizard/wizard_scan_product.py b/addons/point_of_sale/wizard/wizard_scan_product.py
new file mode 100644
index 00000000000..9320b4ffb6f
--- /dev/null
+++ b/addons/point_of_sale/wizard/wizard_scan_product.py
@@ -0,0 +1,70 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    Copyright (C) 2004-2008 Tiny SPRL (<http://tiny.be>). All Rights Reserved
+#    Copyright (c) 2008 Sylëam Info Services. (http://www.syleam.fr) All Rights Reserved.
+#
+#    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/>.
+#
+##############################################################################
+
+import pooler
+import wizard
+from osv import osv
+
+form_gencod = """<?xml version="1.0"?>
+<form string="Scan product">
+<label string="Scan gencod" colspan="4"/>
+<field name="gencod" colspan="4" nolabel="1"/>
+</form>
+"""
+
+fields_gencod = {
+    'gencod': {'string': 'Gencod',
+               'type': 'char',
+               'size': 13,
+               'required': True}
+}
+
+
+def _scan(self, cr, uid, data, context):
+    pool = pooler.get_pool(cr.dbname)
+    result = pool.get('pos.order.line')._scan_product(cr, uid, data['form']['gencod'], 1, data['id'])
+    return {'gencod': False}
+
+def _pre_init(self, cr, uid, data, context):
+    return {'gencod': False}
+
+class pos_scan_product(wizard.interface):
+    states = {
+        'init' : {'actions' : [_pre_init],
+                'result' : {
+                    'type': 'form',
+                    'arch': form_gencod,
+                    'fields': fields_gencod,
+                    'state': [('end','Cancel','gtk-cancel'),
+                              ('add', 'Add', 'gtk-ok', True)],
+            }
+        },
+        'add' : {'actions' : [_scan],
+                'result' : {
+                    'type': 'state',
+                    'state': 'init',
+                }
+        }
+    }
+
+pos_scan_product('pos.scan_product')
+