readonly tax receipt

donation/models/donation_tax_receipt.py

@@ -20,14 +20,6 @@ class DonationTaxReceipt(models.Model):
         compute="_compute_first_donation_date"
     )
 
-    def write(self, vals):
-        raise UserError(_("Tax receipts cannot be modified manually. They must be generated from donations."))
-
-    @classmethod
-    def create(cls, vals_list):
-        raise UserError(_("Tax receipts cannot be created manually. They must be generated from donations."))
-
-
     @api.depends("donation_ids.donation_date")
     def _compute_first_donation_date(self):
         for receipt in self:

donation_base/i18n/fr.po

@@ -471,7 +471,7 @@ msgstr "Partenaire"
 #: model_terms:ir.ui.view,arch_db:donation_base.donation_tax_receipt_form
 #, fuzzy
 msgid "Print"
-msgstr "Date d'impression"
+msgstr "Imprimer"
 
 #. module: donation_base
 #: model:ir.model.fields,field_description:donation_base.field_donation_tax_receipt__print_date

donation_base/models/donation_tax_receipt.py

@@ -54,6 +54,11 @@ class DonationTaxReceipt(models.Model):
         readonly=True,
     )
 
+    def write(self, vals):
+        if not self.env.context.get("allow_tax_receipt_write"):
+            raise UserError(_("Tax receipts cannot be modified manually. They must be generated from donations."))
+        super().write(vals)
+    
     @api.model_create_multi
     def create(self, vals_list):
         for vals in vals_list:
@@ -99,3 +104,10 @@ class DonationTaxReceipt(models.Model):
             "context": ctx,
         }
         return action
+
+    def action_print_receipt(self):
+        today = fields.Date.context_today(self)
+        for receipt in self:
+            if not receipt.print_date:
+                receipt.with_context(allow_tax_receipt_write=True).write({"print_date": today})
+        return self.env.ref("donation_base.report_donation_tax_receipt").report_action(self)

donation_base/views/donation_tax_receipt.xml

@@ -10,7 +10,7 @@
         <field name="name">donation.tax.receipt.form</field>
         <field name="model">donation.tax.receipt</field>
         <field name="arch" type="xml">
-            <form create="false" edit="0" delete="false">
+            <form create="false" edit="false" delete="false">
                 <header>
                     <button
                         name="action_send_tax_receipt"
@@ -19,9 +19,10 @@
                         class="btn-primary"
                     />
                     <button
-                        name="%(report_donation_tax_receipt)d"
-                        type="action"
+                        name="action_print_receipt"
+                        type="object"
                         string="Print"
+                        class="btn-primary"
                     />
                 </header>
                 <sheet>

donation_base/wizard/tax_receipt_print.py

@@ -27,8 +27,4 @@ class DonationTaxReceiptPrint(models.TransientModel):
         self.ensure_one()
         if not self.receipt_ids:
             raise UserError(_("There are no tax receipts to print."))
-        today = fields.Date.context_today(self)
-        self.receipt_ids.write({"print_date": today})
-        return self.env.ref("donation_base.report_donation_tax_receipt").report_action(
-            self.receipt_ids
-        )
+        return self.receipt_ids.action_print_receipt()