[IMP] improve the way the mails are sent.

easy_my_coop_taxshelter_report/models/tax_shelter_declaration.py

@@ -149,12 +149,15 @@ class TaxShelterCertificate(models.Model):
             # TODO 
         return attachments
     
-    @api.one
+    @api.multi
     def send_certificates(self):
-        attachments = self.generate_certificates_report()
+        tax_shelter_mail_template = self.env.ref('easy_my_coop_taxshelter_report.email_template_tax_shelter_certificate', False)
+        for certificate in self:
+            attachments = certificate.generate_certificates_report()
             if len(attachments) > 0:
-            confirmation_mail_template = self.env['mail.template'].search([('name', '=', 'Tax Shelter Certificate - Send By Email')])[0]
-            confirmation_mail_template.send_mail_with_multiple_attachments(self.id, attachments,True)
+                tax_shelter_mail_template.send_mail_with_multiple_attachments(certificate.id, attachments,True)
+            certificate.state = 'sent' 
+            self.env.cr.commit()
 
     @api.multi
     def print_subscription_certificate(self):
@@ -168,7 +171,6 @@ class TaxShelterCertificate(models.Model):
 
     @api.multi
     def _compute_amounts(self):
-        
         for certificate in self:
             total_amount_previously_subscribed = 0
             total_amount_subscribed = 0
@@ -208,10 +210,7 @@ class TaxShelterCertificate(models.Model):
     @api.model
     def batch_send_tax_shelter_certificate(self):
         certificates = self.search([('state','=','validated')],limit=80)
-        for certificate in certificates:
-            certificate.send_certificates()
-            certificate.state = 'sent' 
-            self.env.cr.commit()
+        certificates.send_certificates()
             
 class TaxShelterCertificateLine(models.Model):
     _name= "certificate.line"