Add 'Prethodno stanje' (previous balance) to partner ledger report

🤖 assisted by claude

odoo-bringout-odoomates-accounting_pdf_reports/accounting_pdf_reports/i18n/bs.po

@@ -540,7 +540,7 @@ msgstr ""
 
 #. module: accounting_pdf_reports
 #. odoo-python
-#: code:addons/accounting_pdf_reports/report/report_aged_partner.py
+#: code:addons/accounting_pdf_reports/report/report_aged_partner.py:0
 #, python-format
 msgid "Form content is missing, this report cannot be printed."
 msgstr "Nedostaju podaci sa forme, izvještaj se ne može ispisati."
@@ -867,6 +867,16 @@ msgstr "Potraživanja i obaveze"
 msgid "Reconciled Entries"
 msgstr "Zatvorene stavke"
 
+#. module: accounting_pdf_reports
+#: model:ir.model.fields,field_description:accounting_pdf_reports.field_account_report_partner_ledger__previous_balance
+msgid "Previous Balance"
+msgstr "Prethodno stanje"
+
+#. module: accounting_pdf_reports
+#: model:ir.model.fields,help:accounting_pdf_reports.field_account_report_partner_ledger__previous_balance
+msgid "Show previous balance before the start date."
+msgstr "Prikaži prethodno stanje prije početnog datuma."
+
 #. module: accounting_pdf_reports
 #: model_terms:ir.ui.view,arch_db:accounting_pdf_reports.report_general_ledger
 msgid "Ref"
@@ -1038,7 +1048,7 @@ msgstr "Tip"
 
 #. module: accounting_pdf_reports
 #. odoo-python
-#: code:addons/accounting_pdf_reports/report/report_aged_partner.py
+#: code:addons/accounting_pdf_reports/report/report_aged_partner.py:0
 #, python-format
 msgid "Unknown Partner"
 msgstr "Nepoznat partner"
@@ -1081,21 +1091,21 @@ msgstr ""
 
 #. module: accounting_pdf_reports
 #. odoo-python
-#: code:addons/accounting_pdf_reports/wizard/account_general_ledger.py
+#: code:addons/accounting_pdf_reports/wizard/account_general_ledger.py:0
 #, python-format
 msgid "You must define a Start Date"
 msgstr "You must define a Start Datum"
 
 #. module: accounting_pdf_reports
 #. odoo-python
-#: code:addons/accounting_pdf_reports/wizard/aged_partner.py
+#: code:addons/accounting_pdf_reports/wizard/aged_partner.py:0
 #, python-format
 msgid "You must set a period length greater than 0."
 msgstr "Morate postaviti dužinu perioda veću od 0."
 
 #. module: accounting_pdf_reports
 #. odoo-python
-#: code:addons/accounting_pdf_reports/wizard/aged_partner.py
+#: code:addons/accounting_pdf_reports/wizard/aged_partner.py:0
 #, python-format
 msgid "You must set a start date."
 msgstr "Morate postaviti početni datum."

odoo-bringout-odoomates-accounting_pdf_reports/accounting_pdf_reports/report/report_partner_ledger.py

@@ -45,6 +45,33 @@ class ReportPartnerLedger(models.AbstractModel):
             full_account.append(r)
         return full_account
 
+    def _previous_balance(self, data, partner):
+        """Calculate the balance for a partner before the date_from."""
+        date_from = data['form'].get('date_from')
+        if not date_from:
+            return {'debit': 0.0, 'credit': 0.0, 'balance': 0.0}
+
+        reconcile_clause = "" if data['form']['reconciled'] else ' AND "account_move_line".full_reconcile_id IS NULL '
+        params = [
+            partner.id,
+            tuple(data['computed']['move_state']),
+            tuple(data['computed']['account_ids']),
+            date_from,
+        ]
+        query = """
+            SELECT COALESCE(sum("account_move_line".debit), 0) as debit,
+                   COALESCE(sum("account_move_line".credit), 0) as credit,
+                   COALESCE(sum("account_move_line".debit - "account_move_line".credit), 0) as balance
+            FROM account_move_line
+            LEFT JOIN account_move m ON (m.id = "account_move_line".move_id)
+            WHERE "account_move_line".partner_id = %s
+                AND m.state IN %s
+                AND "account_move_line".account_id IN %s
+                AND "account_move_line".date < %s""" + reconcile_clause
+        self.env.cr.execute(query, tuple(params))
+        result = self.env.cr.dictfetchone()
+        return result or {'debit': 0.0, 'credit': 0.0, 'balance': 0.0}
+
     def _sum_partner(self, data, partner, field):
         if field not in ['debit', 'credit', 'debit - credit']:
             return
@@ -121,4 +148,5 @@ class ReportPartnerLedger(models.AbstractModel):
             'time': time,
             'lines': self._lines,
             'sum_partner': self._sum_partner,
+            'previous_balance': self._previous_balance,
         }

odoo-bringout-odoomates-accounting_pdf_reports/accounting_pdf_reports/report/report_partner_ledger.xml

@@ -77,6 +77,27 @@
                                            t-options="{'widget': 'float', 'precision': 2}"/>
                                     </td>
                                 </tr>
+                                <t t-if="data['form'].get('previous_balance') and data['form'].get('date_from')">
+                                    <t t-set="prev_bal" t-value="previous_balance(data, o)"/>
+                                    <tr style="background-color: #f0f0f0; font-style: italic;">
+                                        <td colspan="4">
+                                            <strong>Prethodno stanje do <t t-esc="data['form']['date_from']" t-options="{'widget': 'date'}"/></strong>
+                                        </td>
+                                        <td class="col-amount">
+                                            <t t-esc="prev_bal['debit']"
+                                               t-options="{'widget': 'float', 'precision': 2}"/>
+                                        </td>
+                                        <td class="col-amount">
+                                            <t t-esc="prev_bal['credit']"
+                                               t-options="{'widget': 'float', 'precision': 2}"/>
+                                        </td>
+                                        <td class="col-amount">
+                                            <t t-esc="prev_bal['balance']"
+                                               t-options="{'widget': 'float', 'precision': 2}"/>
+                                        </td>
+                                        <td t-if="data['form']['amount_currency']"/>
+                                    </tr>
+                                </t>
                                 <tr t-foreach="lines(data, o)" t-as="line">
                                     <td>
                                         <span t-esc="line['date']"/>

odoo-bringout-odoomates-accounting_pdf_reports/accounting_pdf_reports/wizard/account_partner_ledger.py

@@ -13,6 +13,8 @@ class AccountPartnerLedger(models.TransientModel):
                                           "report if the currency differs from "
                                           "the company currency.")
     reconciled = fields.Boolean('Reconciled Entries')
+    previous_balance = fields.Boolean('Previous Balance', default=True,
+                                      help="Show previous balance before the start date.")
 
     def _get_report_base_filename(self):
         if self.partner_ids:
@@ -22,7 +24,8 @@ class AccountPartnerLedger(models.TransientModel):
     def _get_report_data(self, data):
         data = self.pre_print_report(data)
         data['form'].update({'reconciled': self.reconciled,
-                             'amount_currency': self.amount_currency})
+                             'amount_currency': self.amount_currency,
+                             'previous_balance': self.previous_balance})
         return data
 
     def _print_report(self, data):

odoo-bringout-odoomates-accounting_pdf_reports/accounting_pdf_reports/wizard/partner_ledger.xml

@@ -17,6 +17,8 @@
                     <newline/>
                     <field name="reconciled"/>
                     <newline/>
+                    <field name="previous_balance"/>
+                    <newline/>
                 </xpath>
             </data>
         </field>