first commit

.gitignore

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+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
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+# Spyder project settings
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+# Rope project settings
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+# mkdocs documentation
+/site
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+# mypy
+.mypy_cache/
+
+# Odoo specific
+*.log
+*.conf
+/data/
+
+# OS specific
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# IDEs
+.idea/
+.vscode/
+*.swp
+*.swo

README.md

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+# POS Receipt Print Default Settings
+
+This module allows you to set the default number of copies and paper size for POS receipts.
+
+## Features
+1. **Default Number of Copies**: Configure how many times the receipt should be printed.
+2. **Default Paper Size**: Suggest the paper size to the browser print dialog using `@page` CSS rules.
+   - Supported sizes: 57mm (ISO 57), 58mm, 80mm, 80x210mm, 80x297mm, 112mm, A4.
+
+## How it works
+- The module adds configuration fields in **Point of Sale > Configuration > Settings**.
+- It patches the `PosStore.printReceipt` method in Javascript to:
+  - Inject dynamic CSS that overrides the `@page` size.
+  - Execute a loop to trigger the print function multiple times if more than 1 copy is requested.
+
+## Requirements
+- Odoo 19
+- Standard browser printing (works best in Chrome/Edge for `@page` support).
+- For silent printing (no dialog), the browser must be started in kiosk mode (e.g., `--kiosk-printing` for Chrome).

__init__.py

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+from . import models

__manifest__.py

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+{
+    'name': 'POS Receipt Print Default Settings',
+    'version': '1.0',
+    'category': 'Sales/Point of Sale',
+    'summary': 'Set default number of copies and paper size for POS receipts',
+    'description': """
+        This module allows you to configure the default number of copies and paper size
+        for receipt printing in the Point of Sale.
+        It auto-fills the paper size selection via CSS @page and handles multiple copies.
+    """,
+    'author': 'Suherdy Yacob',
+    'depends': ['point_of_sale'],
+    'data': [
+        'views/pos_config_views.xml',
+    ],
+    'assets': {
+        'point_of_sale._assets_pos': [
+            'pos_receipt_print_default/static/src/app/**/*',
+        ],
+    },
+    'installable': True,
+    'license': 'LGPL-3',
+}

models/__init__.py

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+from . import pos_config
+from . import res_config_settings

models/pos_config.py

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+from odoo import fields, models, api
+
+class PosConfig(models.Model):
+    _inherit = 'pos.config'
+
+    receipt_print_copies = fields.Integer(string='Default Number of Copies', default=1, help="Default number of copies to print for receipts.")
+    receipt_paper_size = fields.Selection([
+        ('57mm', '57mm (ISO 57)'),
+        ('58mm', '58mm'),
+        ('80mm', '80mm'),
+        ('80x210mm', '80 x 210 mm'),
+        ('80x297mm', '80 x 297 mm'),
+        ('112mm', '112mm'),
+        ('A4', 'A4'),
+    ], string='Default Paper Size', default='57mm', help="Default paper size for browser print dialog.")
+
+    @api.model
+    def _load_pos_data_fields(self, config):
+        fields = super()._load_pos_data_fields(config)
+        fields += ['receipt_print_copies', 'receipt_paper_size']
+        return fields

models/res_config_settings.py

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+from odoo import fields, models
+
+class ResConfigSettings(models.TransientModel):
+    _inherit = 'res.config.settings'
+
+    pos_receipt_print_copies = fields.Integer(related='pos_config_id.receipt_print_copies', readonly=False)
+    pos_receipt_paper_size = fields.Selection(related='pos_config_id.receipt_paper_size', readonly=False)

static/src/app/services/pos_store_patch.js

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+/** @odoo-module **/
+
+import { PosStore } from "@point_of_sale/app/services/pos_store";
+import { patch } from "@web/core/utils/patch";
+
+patch(PosStore.prototype, {
+    async printReceipt(params = {}) {
+        const copies = this.config.receipt_print_copies || 1;
+        const paperSize = this.config.receipt_paper_size || '57mm';
+        
+        // Inject CSS for paper size to guide browser print dialog
+        this._injectReceiptPaperSizeCSS(paperSize);
+        
+        let result;
+        // Print multiple copies
+        for (let i = 0; i < copies; i++) {
+            result = await super.printReceipt(params);
+        }
+        return result;
+    },
+
+    /**
+     * Injects dynamic CSS with @page rules to suggest paper size to the browser.
+     * Most modern browsers (Chrome/Edge) use @page { size: ... } to auto-select
+     * the paper size in the print dialog.
+     */
+    _injectReceiptPaperSizeCSS(size) {
+        let style = document.getElementById('pos_receipt_print_style');
+        if (!style) {
+            style = document.createElement('style');
+            style.id = 'pos_receipt_print_style';
+            document.head.appendChild(style);
+        }
+        
+        let width = '57mm';
+        let pageSize = '57mm auto';
+        
+        if (size === '58mm') {
+            width = '58mm';
+            pageSize = '58mm auto';
+        } else if (size === '80mm') {
+            width = '80mm';
+            pageSize = '80mm auto';
+        } else if (size === '80x210mm') {
+            width = '80mm';
+            pageSize = '80mm 210mm';
+        } else if (size === '80x297mm') {
+            width = '80mm';
+            pageSize = '80mm 297mm';
+        } else if (size === '112mm') {
+            width = '112mm';
+            pageSize = '112mm auto';
+        } else if (size === 'A4') {
+            width = '210mm';
+            pageSize = 'A4';
+        }
+        
+        style.innerHTML = `
+            @media print {
+                @page {
+                    size: ${pageSize};
+                    margin: 0;
+                }
+                .pos-receipt {
+                    width: ${width} !important;
+                    margin: 0 auto !important;
+                    padding: 5px !important;
+                    box-sizing: border-box !important;
+                }
+                /* Hide other elements if any */
+                body {
+                    margin: 0 !important;
+                }
+            }
+        `;
+    }
+});

views/pos_config_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="res_config_settings_view_form" model="ir.ui.view">
+        <field name="name">res.config.settings.view.form.inherit.pos_receipt_print_default</field>
+        <field name="model">res.config.settings</field>
+        <field name="inherit_id" ref="point_of_sale.res_config_settings_view_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//block[@id='pos_bills_and_receipts_section']" position="inside">
+                <setting string="Receipt Print Defaults" help="Set default printing behavior for receipts.">
+                    <div class="content-group">
+                        <div class="row">
+                            <label for="pos_receipt_print_copies" class="col-lg-4 o_light_label" string="Number of Copies"/>
+                            <field name="pos_receipt_print_copies" class="col-lg-2"/>
+                        </div>
+                        <div class="row mt-2">
+                            <label for="pos_receipt_paper_size" class="col-lg-4 o_light_label" string="Paper Size"/>
+                            <field name="pos_receipt_paper_size" class="col-lg-4"/>
+                        </div>
+                    </div>
+                </setting>
+            </xpath>
+        </field>
+    </record>
+</odoo>