[IMP] use method to call download of template

energy_selfconsumption/data/ir_attactment_data.xml

@@ -9,11 +9,5 @@
             </field>
             <field name="company_id"></field>
         </record>
-
-        <record model="ir.actions.act_url" id="distribution_table_download_act_url">
-            <field name="name">distribution_table_download_act_url</field>
-            <field name="url" eval="'/web/content/' + str(ref('distribution_table_example_attachment')) + '?download=true'"></field>
-            <field name="target">new</field>
-        </record>
     </data>
 </odoo>

energy_selfconsumption/wizards/distribution_table_import_wizard.py

@@ -35,12 +35,10 @@ class DistributionTableImportWizard(models.TransientModel):
 
     def download_template_button(self):
         distribution_table_example_attachment = self.env.ref('energy_selfconsumption.distribution_table_example_attachment')
-        base_url = self.env['ir.config_parameter'].get_param('web.base.url')
-        download_url = '/web/content/' + str(distribution_table_example_attachment.id) + '?download=true'
-        # download
+        download_url = '/web/content/{}/?download=true'.format(str(distribution_table_example_attachment.id))
         return {
             "type": "ir.actions.act_url",
-            "url": str(base_url) + str(download_url),
+            "url": download_url,
             "target": "new",
         }
 

energy_selfconsumption/wizards/distribution_table_import_wizard_views.xml

@@ -8,7 +8,10 @@
             <field name="arch" type="xml">
                 <form>
                     <sheet>
-                        <button type="action" name="energy_selfconsumption.distribution_table_download_act_url">Download Template</button>
+                        <p>You can download an example template for the import. The template must have this format and
+                            be a CSV file.</p>
+                        <button type="object" name="download_template_button">Download Template</button>
+                        <separator/>
                         <group>
                             <field name="import_file" filename="fname" widget="binary"></field>
                             <field name="fname" invisible="1"></field>