moodle-external-api-development

This skill guides you through creating custom external web service APIs for Moodle LMS, following Moodle's external API framework and coding standards. Moodle external APIs follow a strict three-method pattern: Location : /local/yourplugin/classes/external/your_api_name.php Key Points : Common Parameter Types : Structures : Value Flags : Critical Steps : Return Structure Rules : Location : /local/yourplugin/db/services.php Service Registration Keys : Error Handling Best Practices : Solution : Solution : Solution : Solution : Solution : See attached create_quiz_from_categories.php for a comprehensive example including: - Creating custom web services for Moodle plugins - Implementing REST/AJAX endpoints for course management - Building APIs for quiz operations, user tracking, or reporting - Exposing Moodle functionality to external applications - Developing mobile app backends using Moodle - execute_parameters() - Defines input parameter structure - execute() - Contains business logic - execute_returns() - Defines return structure - Class must extend external_api - Namespace follows: local_pluginname\external or mod_modname\external - Include the security check: defined('MOODLE_INTERNAL') || die(); - Require externallib.php for base classes - PARAM_INT - Integers - PARAM_TEXT - Plain text (HTML stripped) - PARAM_RAW - Raw text (no cleaning) - PARAM_BOOL - Boolean values -...