analyzeimage.php

<?php
require_once(__DIR__ . '/../../config.php');

// Ensure this script is accessed within Moodle.
defined('MOODLE_INTERNAL') || die();

// Require the user to be logged in.
require_login();
$PAGE->set_url(new moodle_url('/auth/faceauth/analyzeimage.php'));
$PAGE->set_context(context_system::instance());
$PAGE->set_title(get_string('analyzeimage', 'auth_faceauth'));

// Get the list of image paths from the request.
$image_paths = required_param('image_paths', PARAM_RAW);
$image_paths = explode(',', $image_paths);

// Directory to store enrolled face images.
$upload_dir = $CFG->dataroot . '/faceauth/faces/';

// Ensure the upload directory exists.
if (!is_dir($upload_dir)) {
    debugging("Upload directory does not exist: {$upload_dir}", DEBUG_DEVELOPER);
    echo $OUTPUT->notification(get_string('dirdoesnotexist', 'auth_faceauth'), 'notifyproblem');
    exit;
}

// Analyze the images.
$analysis_results = array();
foreach ($image_paths as $image_path) {
    if (file_exists($image_path)) {
        $analysis_results[$image_path] = analyze_image($image_path);
    } else {
        $analysis_results[$image_path] = get_string('imagedoesnotexist', 'auth_faceauth');
    }
}

// Output the header.
echo $OUTPUT->header();

// Display the analysis results.
echo '<h2>' . get_string('analyzeimage', 'auth_faceauth') . '</h2>';
echo '<ul>';
foreach ($analysis_results as $image_path => $result) {
    echo '<li>' . $image_path . ': ' . $result . '</li>';
}
echo '</ul>';

// Output the footer.
echo $OUTPUT->footer();

/**
 * Analyze the image.
 *
 * @param string $image_path The path to the image.
 * @return string The analysis result.
 */
function analyze_image($image_path) {
    // Placeholder for actual image analysis logic.
    return 'Image analyzed successfully.';
}