[FIX] Fixed code for last bill date timezone issue

Author: Nikul-OSI

purchase_backorder/models/purchase_order.py

@@ -46,11 +46,12 @@ def _compute_last_date_received(self):
     @api.depends("order_line.last_bill_date")
     def _compute_last_bill_date(self):
         for order in self:
-            max_date = False
-            for line in order.order_line:
-                if max_date:
-                    if line.last_bill_date and max_date < line.last_bill_date:
-                        max_date = line.last_bill_date
-                else:
-                    max_date = line.last_bill_date
-            order.last_bill_date = max_date
+            last_bill_date = max(
+                (
+                    line.last_bill_date
+                    for line in order.order_line
+                    if line.last_bill_date
+                ),
+                default=False,
+            )
+            order.last_bill_date = last_bill_date

purchase_backorder/models/purchase_order_line.py

@@ -3,7 +3,6 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
 from odoo import api, fields, models
-from odoo.tools import DEFAULT_SERVER_DATETIME_FORMAT
 
 
 class PurchaseOrderLine(models.Model):
@@ -65,17 +64,27 @@ def _compute_last_date_received(self):
     @api.depends("invoice_lines.move_id.state", "invoice_lines.quantity")
     def _compute_last_bill_date(self):
         for line in self:
-            max_date = False
-            for inv_line in line.invoice_lines:
-                if inv_line.move_id.state not in ["cancel"]:
-                    if inv_line.move_id.move_type == "in_invoice":
-                        if max_date and inv_line.move_id.date:
-                            if max_date < inv_line.move_id.date:
-                                max_date = inv_line.move_id.date
-                        else:
-                            max_date = inv_line.move_id.date
-                    elif inv_line.move_id.move_type == "in_refund":
-                        continue
-            line.last_bill_date = (
-                max_date and max_date.strftime(DEFAULT_SERVER_DATETIME_FORMAT) or False
+            line.last_bill_date = False
+            invoice_lines = [
+                inv_line
+                for inv_line in line.invoice_lines
+                if inv_line.move_id.state != "cancel"
+                and inv_line.move_id.move_type == "in_invoice"
+            ]
+            last_bill_date = max(
+                (
+                    inv_line.move_id.date
+                    for inv_line in invoice_lines
+                    if inv_line.move_id.date
+                ),
+                default=False,
             )
+            if last_bill_date:
+                timezone = (
+                    self._context.get("tz") or self.env.user.partner_id.tz or "UTC"
+                )
+                date_deadline = fields.Datetime.context_timestamp(
+                    self.with_context(tz=timezone),
+                    fields.Datetime.from_string(last_bill_date),
+                )
+                line.last_bill_date = date_deadline.replace(tzinfo=None)

purchase_backorder/static/description/index.html

@@ -8,11 +8,10 @@
 
 /*
 :Author: David Goodger (goodger@python.org)
-:Id: $Id: html4css1.css 9511 2024-01-13 09:50:07Z milde $
+:Id: $Id: html4css1.css 8954 2022-01-20 10:10:25Z milde $
 :Copyright: This stylesheet has been placed in the public domain.
 
 Default cascading style sheet for the HTML output of Docutils.
-Despite the name, some widely supported CSS2 features are used.
 
 See https://docutils.sourceforge.io/docs/howto/html-stylesheets.html for how to
 customize this style sheet.
@@ -275,7 +274,7 @@
   margin-left: 2em ;
   margin-right: 2em }
 
-pre.code .ln { color: gray; } /* line numbers */
+pre.code .ln { color: grey; } /* line numbers */
 pre.code, code { background-color: #eeeeee }
 pre.code .comment, code .comment { color: #5C6576 }
 pre.code .keyword, code .keyword { color: #3B0D06; font-weight: bold }
@@ -301,7 +300,7 @@
 span.pre {
   white-space: pre }
 
-span.problematic, pre.problematic {
+span.problematic {
   color: red }
 
 span.section-subtitle {
@@ -429,9 +428,7 @@ <h2><a class="toc-backref" href="#toc-entry-5">Contributors</a></h2>
 <div class="section" id="maintainers">
 <h2><a class="toc-backref" href="#toc-entry-6">Maintainers</a></h2>
 <p>This module is maintained by the OCA.</p>
-<a class="reference external image-reference" href="https://odoo-community.org">
-<img alt="Odoo Community Association" src="https://odoo-community.org/logo.png" />
-</a>
+<a class="reference external image-reference" href="https://odoo-community.org"><img alt="Odoo Community Association" src="https://odoo-community.org/logo.png" /></a>
 <p>OCA, or the Odoo Community Association, is a nonprofit organization whose
 mission is to support the collaborative development of Odoo features and
 promote its widespread use.</p>