Validation History by ask in the view form by each opportunity ask.

party_validation.py

@@ -61,6 +61,7 @@ class ValidationAsk(ModelSQL, ModelView):
     # validated_by = employee_field("Validated By")
     validated_by = fields.Many2One('res.user', 'User')
     blocked = fields.Boolean('Blocked', readonly=True)
+    history = fields.Function(fields.Text('history'), 'get_history')
 
     @classmethod
     def __setup__(cls):
@@ -70,6 +71,18 @@ class ValidationAsk(ModelSQL, ModelView):
     def get_user(self, name):
         return self.create_uid.rec_name
 
+    def get_history(self, name):
+        # return 'Historial'
+        list_ids = [self.id,]
+        show_list_as_str = 'Fecha                                                                              | Pregunta | Usuario' + '\n'
+        OpportunityHistory = Pool().get('crm.opportunity.validation')
+        HistoryByAsk = OpportunityHistory.history_revisions(list_ids)
+        for record in HistoryByAsk:
+            # print(record,'rec')
+            show_list_as_str += str(record) + '\n'
+        return str(show_list_as_str)
+        # return str(HistoryByAsk)
+
     @fields.depends('response')
     def on_change_response(self):
         if self.response:

view/opportunity_validation_form.xml

@@ -12,7 +12,10 @@ this repository contains the full copyright notices and license terms. -->
     <field name="response"/>
     <separator name="comment" colspan="4"/>
     <field name="comment" colspan="4"/>
-
-  
+    <notebook colspan="4">
+      <page string="History" id="history">
+        <field name="history" colspan="4"/>
+      </page>
+    </notebook>
 
 </form>