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Viewing changes to tiny_purchase/tiny_purchase.py.5

bugfix in overlay creation system

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tiny_purchase/tiny_purchase.py.5
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from osv import osv
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from osv import fields
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import time
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class product(osv.osv):
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        _name = "tiny_purchase.product"
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        _columns = {
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                'name': fields.char('Name', size=64),
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                'price': fields.float('Price'),
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        }
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product()
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class order(osv.osv):
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        _name = "tiny_purchase.order"
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        _columns = {
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                'name': fields.date('Date'),
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                'user_id': fields.many2one('res.users', 'User', required=True),
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                'line_ids': fields.one2many('tiny_purchase.line', 'order_id', 'Lines'),
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                'state': fields.selection([('draft', 'Draft'), ('confirmed', 'Confirmed'), ('done', 'Done')], 'State'),
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        }
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        _defaults = {
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                'name': lambda *a: time.strftime('%Y-%m-%d'),
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                'user_id': lambda self, cr, uid, context: uid,
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                'state': lambda *a: 'draft',
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        }
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order()
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class line(osv.osv):
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        _name = "tiny_purchase.line"
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        _rec_name = "product_id"
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        def _get_price(self, cr, uid, ids, field_name=None, arg=None, context={}):
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                res={}
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                lines=self.browse(cr, uid, ids)
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                for l in lines:
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                        if l.product_id:
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                                res[l.id]=l.quantity * l.product_id.price
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                        else:
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                                res[l.id]=0
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                return res
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        _columns = {
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                'product_id': fields.many2one('tiny_purchase.product', 'Product', required=True),
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                'quantity': fields.integer('Quantity'),
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                'price': fields.function(_get_price, method=True, string='Price', type='float'),
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                'comments': fields.text('Comments'),
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                'order_id': fields.many2one('tiny_purchase.order', 'Order', required=True),
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        }
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        _defaults = {
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                'quantity': lambda *a: 0,
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        }
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        def onchange_compute_price(self, cr, uid, ids, product_id, quantity):
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                if not product_id:
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                        return {}
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                price = self.pool.get('tiny_purchase.product').read(cr, uid, [product_id], ['price'])[0]['price']
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                return {'value':{'price': price * quantity,}}
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line()