Implementation of UBL 2.1 invoice generation to comply with Belgium's 2026 Peppol mandate.
Key changes:
- Add num-num/ubl-invoice dependency via composer.json
- Create Ubl_generator library to convert OSPOS sale data to UBL format
- Create country_helper.php to map country names to ISO 3166-1 alpha-2 codes
- Extend Email_lib to support multiple attachments for PDF+UBL emails
- Add getUblInvoice() method in Sales controller for UBL download
- Modify getSendPdf() to optionally attach UBL based on invoice_format config
- Add database migration for invoice_format configuration (pdf_only/ubl_only/both)
- Add UBL download button to invoice view
- Add UBL download link to sales manage table
- Add language keys for UBL-related UI elements
Data mapping:
- Company name/address -> Supplier Party
- account_number -> Company VAT number
- Customer address/country -> Customer Party with ISO country code
- Customer tax_id -> Customer VAT number
- Cart items -> InvoiceLines
- Taxes -> TaxCategory and TaxTotal
- Totals -> LegalMonetaryTotal
Features:
- Generate valid UBL 2.1 XML invoices
- Download UBL from invoice view and manage table
- Email with PDF, UBL, or both based on configuration
- Support for multiple customer countries with ISO code mapping
- Graceful handling of missing optional customer fields
* Add attachment cid when sending emails (#4308)
Also check if an encryption key is set before decrypting the SMTP
password.
* Upgrade to CI 4.6.3 (#4308)
* Fix for changing invoice id in email (#4308)
* `execute_script()` now returns a boolean for error handling.
* Added transaction to `Migration_MissingConfigKeys.up()`.
* Added logging to various migrations.
* Added transaction to `Migration_MissingConfigKeys.up()`.
* Added logging to various migrations.
* Formatting and function call fixes
Fixed a minor formatting issue in the migration helper.
Replaced a few remaining error_log() calls.
Updated executeScriptWithTransaction() to use log_message()
* Function call fix
Replaced the last error_log() calls with log_message().
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Co-authored-by: Joe Williams <hey-there-joe@outlook.com>
* Improve code style and PSR-12 compliance
- refactored code formatting to adhere to PSR-12 guidelines
- standardized coding conventions across the codebase
- added missing framework files and reverted markup changes
- reformatted arrays for enhanced readability
- updated language files for consistent styling and clarity
- minor miscellaneous improvements
- Replaced TRUE/FALSE constants with true/false keywords
- Replaced NULL constant with null keyword
- Replaced `<?php echo` in views with shortened `<?=`
- Added missing variable declaration
- Added missing function return type in declaration
- replaced `== true`, `== false`, `=== true` and `=== false` in if statements with simplified forms
- PHP 8.2 deprecates dynamically declared class properties. Adding these declarations removes deprecation warnings and makes the code PHP 8.3 compatible.
- Add Elvis operator to set search string to an empty string when it's value is null to get rid of an error in the search function call.
- Imported class for OSPOS config
- Replaced private with protected in parent controller's property.
- Removed unneeded TODO
- Refactored local variables
- Replaced ternary notation
- Removed unneeded comments
- Removed unneeded class property
- Removed unneeded @property declarations
- Fixed database version
- when the payments array was folded into sale_data there was an earlier payments[] reference in the foreach loop that didn't get folded in.
- Update PHPdoc
- Added ::class to remove polymorphic call warning
- Removed unreachable 'break;' statement after return statement.
- Added missing return type
- fixed missing assignment of mailchimp_api_key
