S0043 : Create a new barcode rule for beescoop product (with prefix 043), and add a button to generate a barcode for a product if it does not have one yet

beesdoo_product/__openerp__.py

@@ -25,6 +25,7 @@
     # always loaded
     'data': [
         'data/product_label.xml',
+        'data/barcode_rule.xml',
         'views/beesdoo_product.xml',
         'wizard/views/label_printing_utils.xml',
         'security/ir.model.access.csv',

beesdoo_product/data/barcode_rule.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+	<data noupdate="1">
+		<record model="barcode.rule" id="beesdoo_product_barcode_rule">
+			<field name="name">Beescoop Product Barcodes</field>
+			<field name="barcode_nomenclature_id">1</field>
+			<field name="type">product</field>
+			<field name="pattern">043</field>
+			<field name="sequence">45</field>
+			<field name="encoding">ean13</field>
+		</record>
+	</data>
+</odoo>

beesdoo_product/models/beesdoo_product.py

@@ -2,6 +2,7 @@
 from openerp import models, fields, api
 from openerp.tools.translate import _
 from openerp.exceptions import UserError
+import uuid
 
 class BeesdooProduct(models.Model):
     _inherit = "product.template"
@@ -26,6 +27,20 @@ class BeesdooProduct(models.Model):
 
     note = fields.Text('Comments')
 
+    @api.one
+    def generate_barcode(self):
+        print 'generate barcode', self.barcode, self.barcode == ''
+        rule = self.env['barcode.rule'].search([('name', '=', 'Beescoop Product Barcodes')])[0]
+        size = 13 - len(rule.pattern)
+        ean = rule.pattern + str(uuid.uuid4().fields[-1])[:size]
+        bc = ean[0:12] + str(self.env['barcode.nomenclature'].ean_checksum(ean))
+        # Make sure there is no other active member with the same barcode
+        while(self.search_count([('barcode', '=', bc)]) > 1):
+            ean = rule.pattern + str(uuid.uuid4().fields[-1])[:size]
+            bc = ean[0:12] + str(self.env['barcode.nomenclature'].ean_checksum(ean))
+        print 'barcode :', bc
+        self.barcode = bc
+    
     @api.one
     @api.depends('seller_ids', 'seller_ids.date_start')
     def _compute_main_seller_id(self):

beesdoo_product/views/beesdoo_product.xml

@@ -1,12 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
 <odoo>
 
-
 	<record model="ir.ui.view" id="beesdoo_product_form">
 		<field name="name">bees.product.template.form</field>
 		<field name="model">product.template</field>
 		<field name="inherit_id" ref="product.product_template_only_form_view" />
 		<field name="arch" type="xml">
+			<field name="barcode" position="after">
+				<button string="Generate Barcode" name="generate_barcode" type="object" attrs="{'invisible' : [('barcode','!=',False)]}" /> />
+			</field>
 			<field name="invoice_policy" position="attributes">
             	<attribute name="invisible">1</attribute>
             </field>