/**
* Generate a number on a bell curbe.
*
* @link http://www.eboodevelopment.com/php-random-number-generator-with-normal-distribution-bell-curve/
*
* @param $min
* @param $max
* @param $std_deviation
* @param int $step
*
* @return float
*/
function itelic_purebell($min, $max, $std_deviation, $step = 1)
{
$rand1 = (double) mt_rand() / (double) mt_getrandmax();
$rand2 = (double) mt_rand() / (double) mt_getrandmax();
$gaussian_number = sqrt(-2 * log($rand1)) * cos(2 * M_PI * $rand2);
$mean = ($max + $min) / 2;
$random_number = $gaussian_number * $std_deviation + $mean;
$random_number = round($random_number / $step) * $step;
if ($random_number < $min || $random_number > $max) {
$random_number = itelic_purebell($min, $max, $std_deviation);
}
return $random_number;
}
/**
* Generate products.
*
* ## Options
*
* [--file=<file>]
* : Specify which files to used. By default pulls random zips from DB.
*
* [--count=<count>]
* : How many products to generate. Default: 15
*
* @param $args
* @param $assoc_args
*/
public function generate($args, $assoc_args)
{
$count = \WP_CLI\Utils\get_flag_value($assoc_args, 'count', 15);
if (!\WP_CLI\Utils\get_flag_value($assoc_args, 'file')) {
/**
* @var \wpdb $wpdb
*/
global $wpdb;
$results = $wpdb->get_results($wpdb->prepare("SELECT ID FROM {$wpdb->posts} WHERE post_type = 'attachment'\n\t\t\t\t AND post_mime_type = 'application/zip' LIMIT %d", $count));
$files = array();
foreach ($results as $result) {
$files[] = $result->ID;
}
} else {
if (get_post_type($assoc_args['file']) != 'attachment') {
WP_CLI::error("Invalid file post type.");
}
$files = array($assoc_args['file']);
}
if (empty($files)) {
WP_CLI::error('No files exist.');
}
$notify = \WP_CLI\Utils\make_progress_bar('Generating products.', $count);
$limits = array('-', '2', '2', '5', '5', '10');
for ($i = 0; $i < $count; $i++) {
$title = $this->faker->catchPhrase . ' software';
$price = itelic_purebell(44, 199, 45);
$price = floatval(intval($price));
$index = array_rand($files);
$file = get_post($files[$index]);
try {
$file = itelic_rename_file($file, $title . '-1.0.zip');
} catch (InvalidArgumentException $e) {
WP_CLI::error($e->getMessage());
}
$params = array('description' => $this->faker->realText(), 'limit' => $limits[array_rand($limits)], 'file' => $file->ID);
$recurring = array(array('interval' => 'month', 'count' => 1, 'frequency' => 10), array('interval' => 'month', 'count' => 6, 'frequency' => 20), array('interval' => 'none', 'frequency' => 30), array('interval' => 'year', 'count' => 1, 'frequency' => 100));
$rand = rand(0, 100);
foreach ($recurring as $option) {
if ($rand <= $option['frequency']) {
if ($option['interval'] != 'none') {
$params['interval'] = $option['interval'];
$params['interval-count'] = $option['count'];
}
break;
}
}
$result = $this->create_product($title, $price, $params);
if (is_wp_error($result)) {
WP_CLI::error($result);
}
$notify->tick();
}
$notify->finish();
}
