first commit

.gitignore

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+*.pyc
+*.pyo
+__pycache__/

README.md

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+Account General Ledger Company Column
+=====================================
+
+This module adds a "Company" column to the General Ledger report in Odoo 19, allowing users to identify which company a transaction line belongs to when running reports in a multi-company environment.
+
+Features
+--------
+
+- Adds a "Company" column to the General Ledger report.
+- Retrieves company names in a single batch query for optimal performance.
+- Supports multi-company contexts without altering base Odoo SQL views.

__init__.py

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+# -*- coding: utf-8 -*-
+from . import models

__manifest__.py

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+# -*- coding: utf-8 -*-
+{
+    'name': 'Account General Ledger Company Column',
+    'version': '1.0',
+    'summary': 'Adds Company column to the General Ledger report',
+    'category': 'Accounting/Reporting',
+    'author': 'Suherdy Yacob',
+    'depends': ['account_reports'],
+    'data': [
+        'views/account_report_views.xml',
+    ],
+    'installable': True,
+    'auto_install': False,
+    'license': 'LGPL-3',
+}

models/__init__.py

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+# -*- coding: utf-8 -*-
+from . import account_general_ledger

models/account_general_ledger.py

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+# -*- coding: utf-8 -*-
+import json
+from odoo import models
+
+class AccountGeneralLedgerReportHandler(models.AbstractModel):
+    _inherit = 'account.general.ledger.report.handler'
+
+    def _report_custom_engine_general_ledger(self, expressions, options, date_scope, current_groupby, next_groupby, offset=0, limit=None, warnings=None):
+        # 1. Fetch default general ledger rows
+        res = super()._report_custom_engine_general_ledger(
+            expressions, options, date_scope, current_groupby, next_groupby, 
+            offset=offset, limit=limit, warnings=warnings
+        )
+        
+        # 2. Inject company name for transaction rows
+        if isinstance(res, list):
+            if current_groupby == 'id_with_accumulated_balance':
+                aml_ids = []
+                aml_entries = []
+                for aml_key, entry in res:
+                    entry['company_name'] = ''
+                    # Exclude the "Initial Balance" summary lines
+                    if aml_key and not aml_key.startswith('balance_line_'):
+                        try:
+                            key_list = json.loads(aml_key)
+                            if len(key_list) > 1:
+                                aml_ids.append(key_list[1])
+                                aml_entries.append((key_list[1], entry))
+                        except (json.JSONDecodeError, TypeError, ValueError):
+                            pass
+                
+                # Fetch company names in one fast batch query
+                if aml_ids:
+                    self.env.cr.execute("""
+                        SELECT aml.id, c.name 
+                        FROM account_move_line aml
+                        JOIN res_company c ON c.id = aml.company_id
+                        WHERE aml.id IN %s
+                    """, [tuple(aml_ids)])
+                    company_map = dict(self.env.cr.fetchall())
+                    
+                    for aml_id, entry in aml_entries:
+                        entry['company_name'] = company_map.get(aml_id, '')
+            else:
+                # For non-transaction rows (like summary accounts), keep it blank
+                for aml_key, entry in res:
+                    entry['company_name'] = ''
+        elif isinstance(res, dict):
+            res['company_name'] = ''
+            
+        return res

views/account_report_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data>
+        <!-- Re-order existing columns and insert Company column after Partner -->
+        <record id="account_reports.general_ledger_report_date" model="account.report.column">
+            <field name="sequence">1</field>
+        </record>
+        <record id="account_reports.general_ledger_report_partner_name" model="account.report.column">
+            <field name="sequence">2</field>
+        </record>
+        <record id="general_ledger_report_company" model="account.report.column">
+            <field name="name">Company</field>
+            <field name="expression_label">company_name</field>
+            <field name="figure_type">string</field>
+            <field name="sequence">3</field>
+            <field name="report_id" ref="account_reports.general_ledger_report"/>
+        </record>
+        <record id="account_reports.general_ledger_report_amount_currency" model="account.report.column">
+            <field name="sequence">4</field>
+        </record>
+        <record id="account_reports.general_ledger_report_debit" model="account.report.column">
+            <field name="sequence">5</field>
+        </record>
+        <record id="account_reports.general_ledger_report_credit" model="account.report.column">
+            <field name="sequence">6</field>
+        </record>
+        <record id="account_reports.general_ledger_report_balance" model="account.report.column">
+            <field name="sequence">7</field>
+        </record>
+
+        <!-- Bind the expression to the Custom Engine handler on the GL Line -->
+        <record id="general_ledger_line_company_name" model="account.report.expression">
+            <field name="label">company_name</field>
+            <field name="engine">custom</field>
+            <field name="formula">_report_custom_engine_general_ledger</field>
+            <field name="subformula">company_name</field>
+            <field name="report_line_id" ref="account_reports.general_ledger_custom_engine_line"/>
+        </record>
+    </data>
+</odoo>