[IMP] point_of_sale: adding a security pin field on users, and checking it when changing the cashier with very basic GUI

Conflicts:
	addons/point_of_sale/point_of_sale_view.xml
	addons/point_of_sale/res_users.py
	addons/point_of_sale/res_users_view.xml
	addons/point_of_sale/static/src/js/models.js

addons/point_of_sale/res_users.py

@@ -10,6 +10,7 @@ class res_users(osv.osv):
     _inherit = 'res.users'
     _columns = {
         'barcode' : fields.char('Barcode', help="BarCode", oldname='ean13'),
+        'pos_security_pin': fields.char('Security PIN',size=32, help='A Security PIN used to protect sensible functionality in the Point of Sale'),
         'pos_config' : fields.many2one('pos.config', 'Default Point of Sale', domain=[('state', '=', 'active')]),
     }
 

addons/point_of_sale/res_users_view.xml

@@ -23,6 +23,7 @@
                     <group>
                         <field name="pos_config" />
                         <field name="barcode" />
+                        <field name="pos_security_pin" />
                         <button name="%(action_edit_ean)d" type="action" string="Set a Custom EAN" class="oe_edit_only" />
                     </group>
                 </page>

addons/point_of_sale/static/src/js/models.js

@@ -166,7 +166,7 @@ function openerp_pos_models(instance, module){ //module is instance.point_of_sal
             }
         },{
             model:  'res.users',
-            fields: ['name','barcode'],
+            fields: ['name','pos_security_pin','barcode'],
             domain: null,
             loaded: function(self,users){ self.users = users; },
         },{

addons/point_of_sale/static/src/js/widgets.js

@@ -605,12 +605,32 @@ function openerp_pos_widgets(instance, module){ //module is instance.point_of_sa
                 'message': _t('Change Cashier'),
                 list: list,
                 confirm: function(cashier){
-                    this.pos.cashier = cashier;
-                    self.renderElement();
+                    self.set_cashier(cashier);
                 },
             });
 
         },
+        set_cashier: function(cashier){
+            var self = this;
+            if (cashier.pos_security_pin) {
+                this.pos_widget.screen_selector.show_popup('password',{
+                    'message': _t('Password'),
+                    confirm: function(password) {
+                        if (password === cashier.pos_security_pin) {
+                            self.pos.cashier = cashier;
+                            self.renderElement();
+                        } else {
+                            this.pos_widget.screen_selector.show_popup('error',{
+                                'message':_t('Password Incorrect'),
+                            });
+                        }
+                    },
+                });
+            } else {
+                this.pos.cashier = cashier;
+                this.renderElement();
+            }
+        },
         get_name: function(){
             var user = this.pos.cashier || this.pos.user;
             if(user){