[ADD] l10n_it_edi_extension: adding tag Causale in xml

l10n_it_edi_extension/__manifest__.py

@@ -14,6 +14,7 @@
         "l10n_it_edi",
     ],
     "data": [
+        "data/invoice_it_template.xml",
         "views/l10n_it_view.xml",
     ],
     "installable": True,

l10n_it_edi_extension/data/invoice_it_template.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <template id="account_invoice_it_FatturaPA_export_causale" inherit_id="l10n_it_edi.account_invoice_it_FatturaPA_export">
+        <xpath expr="//DatiGeneraliDocumento/ImportoTotaleDocumento" position="after">
+            <t t-foreach="causale" t-as="c">
+                <Causale t-out="c" />
+            </t>
+        </xpath>
+    </template>
+</odoo>

l10n_it_edi_extension/models/account_move.py

@@ -2,6 +2,7 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
 from odoo import api, fields, models
+from odoo.tools import html2plaintext
 
 
 class AccountMoveInherit(models.Model):
@@ -40,3 +41,32 @@ def action_l10n_it_edi_attachment_preview(self):
             "url": self.l10n_it_edi_attachment_preview_link,
             "target": "new",
         }
+
+    # -------------------------------------------------------------------------
+    # Helpers
+    # -------------------------------------------------------------------------
+
+    def _l10n_it_edi_get_values(self, pdf_values=None):
+        res = super()._l10n_it_edi_get_values(pdf_values)
+
+        causale_list = []
+        if self.narration:
+
+            try:
+                narration_text = html2plaintext(self.narration)
+            except Exception:
+                narration_text = ""
+
+            # max length of Causale is 200
+            for causale in narration_text.split("\n"):
+                if not causale:
+                    continue
+                causale_list_200 = [
+                    causale[i: i + 200] for i in range(0, len(causale), 200)
+                ]
+                for causale200 in causale_list_200:
+                    causale_list.append(causale200)
+
+        res["causale"] = causale_list
+
+        return res