[FIX] hr_payroll: creation of a salary computation line

To create a payslip line the fields:
-employee_id
-contract_id
-salary_rule_id

are required.

opw:681912

addons/hr_payroll/hr_payroll.py

@@ -955,6 +955,15 @@ class hr_payslip_line(osv.osv):
         'total': fields.function(_calculate_total, method=True, type='float', string='Total', digits_compute=dp.get_precision('Payroll'),store=True ),
     }
 
+    def create(self, cr, uid, values, context=None):
+        if 'employee_id' not in values or 'contract_id' not in values:
+            payslip = self.pool['hr.payslip'].browse(cr, uid, values.get('slip_id') or [])
+            values['employee_id'] = values.get('employee_id') or payslip.employee_id.id
+            values['contract_id'] = values.get('contract_id') or payslip.contract_id and payslip.contract_id.id
+            if not values['contract_id']:
+                raise UserError(_('You must set a contract to create a payslip line.'))
+        return super(hr_payslip_line, self).create(cr, uid, values, context=context)
+
     _defaults = {
         'quantity': 1.0,
         'rate': 100.0,

addons/hr_payroll/hr_payroll_view.xml

@@ -296,6 +296,7 @@
                                     <field name="sequence" invisible="1"/>
                                     <field name="quantity"/>
                                     <field name="rate"/>
+                                    <field name="salary_rule_id"/>
                                     <field name="amount"/>
                                     <field name="total"/>
                                 </tree>

addons/hr_payroll/i18n/hr_payroll.pot

@@ -1351,6 +1351,12 @@ msgstr ""
 msgid "You must select employee(s) to generate payslip(s)."
 msgstr ""
 
+#. module: hr_payroll
+#: code:addons/hr_payroll/hr_payroll.py:964
+#, python-format
+msgid "You must set a contract to create a payslip line."
+msgstr ""
+
 #. module: hr_payroll
 #: model:ir.model,name:hr_payroll.model_hr_payroll_config_settings
 msgid "hr.payroll.config.settings"