[ADD] block payment button

pos_access_right/demo/res_groups.xml

@@ -26,4 +26,8 @@
         <field name="users" eval="[(4, ref('base.user_root')), (4, ref('base.user_admin'))]"/>
     </record>
 
+    <record id="group_payment" model="res.groups">
+        <field name="users" eval="[(4, ref('base.user_root')), (4, ref('base.user_admin'))]"/>
+    </record>
+
 </odoo>

pos_access_right/models/pos_config.py

@@ -43,6 +43,13 @@ class PosConfig(models.Model):
         help="This field is there to pass the id of the 'PoS - Delete Order'"
         " Group to the Point of Sale Frontend.")
 
+    group_payment_id = fields.Many2one(
+        comodel_name='res.groups',
+        compute='_compute_group_payment_id',
+        string='Point of Sale - Payment',
+        help="This field is there to pass the id of the 'PoS - Payment'"
+        " Group to the Point of Sale Frontend.")
+
     @api.multi
     def _compute_group_negative_qty_id(self):
         for config in self:
@@ -72,3 +79,9 @@ class PosConfig(models.Model):
         for config in self:
             self.group_delete_order_id = \
                 self.env.ref('pos_access_right.group_delete_order')
+
+    @api.multi
+    def _compute_group_payment_id(self):
+        for config in self:
+            self.group_payment_id = \
+                self.env.ref('pos_access_right.group_payment')

pos_access_right/security/res_groups.xml

@@ -31,4 +31,9 @@
         <field name="category_id" ref="base.module_category_usability"/>
     </record>
 
+    <record id="group_payment" model="res.groups">
+        <field name="name">Point of Sale - Payment</field>
+        <field name="category_id" ref="base.module_category_usability"/>
+    </record>
+
 </odoo>

pos_access_right/static/src/js/pos_access_right.js

@@ -32,6 +32,11 @@ odoo.define('pos_access_right.pos_access_right', function (require) {
         } else {
             $(".mode-button[data-mode='price']").removeClass('pos-disabled-mode');
         }
+        if (user.groups_id.indexOf(this.pos.config.group_payment_id[0]) === -1) {
+            $(".button.pay").addClass('pos-disabled-mode');
+        } else {
+            $(".button.pay").removeClass('pos-disabled-mode');
+        }
     };
 
     // Overload 'set_cashier' function to display correctly
@@ -127,4 +132,28 @@ odoo.define('pos_access_right.pos_access_right', function (require) {
             }
         },
     });
+
+    screens.ActionpadWidget.include({
+
+        /**
+         * Block 'Payment' button if user doesn't belong to the correct group
+         */
+        renderElement: function() {
+            var self = this;
+            this._super();
+            this.gui.display_access_right(this.pos.get_cashier());
+            var button_pay_click_handler = $._data(this.$el.find(".button.pay")[0],"events").click[0].handler;
+            this.$('.pay').off('click').click(function(){
+                if (self.pos.get_cashier().groups_id.indexOf(self.pos.config.group_payment_id[0]) === -1) {
+                    self.gui.show_popup('error', {
+                        'title': _t('Payment - Unauthorized function'),
+                        'body':  _t('Please ask your manager to do it.'),
+                    });
+                } else {
+                    button_pay_click_handler();
+                }
+            });
+        }
+    });
+
 });