uchi-pro/api-client-php

examples/popular_courses.php
127 строк3 KB
Andrey Gladyshev
docs: причесать примеры
28 май 2022, 22:36
28 май 2022, 22:3681d09fc
<?php

/**
 * Пример сбора статистики по самым популярным курсам в системе.
 */

use UchiPro\{ApiClient, Courses\Course, Identity, Orders\Order, Orders\Status};

require __DIR__.'/../vendor/autoload.php';

$orders = fetchCompletedOrders();
$statistics = collectStatistics($orders);
showPopularCourses($statistics);

/**
 * @param array|StatisticsItem[] $statistics
 */
function showPopularCourses(array $statistics): void
{
    $limit = 10;

    usort($statistics, function (StatisticsItem $a, StatisticsItem $b) {
        return $a->orders < $b->orders;
    });

    print 'Популярные курсы по числу заявок: '.PHP_EOL;
    $i = 0;
    foreach ($statistics as $statisticsItem) {
        $i++;
        print "$i. {$statisticsItem->course->title}: $statisticsItem->orders".PHP_EOL;
        if ($i === $limit) {
            break;
        }
    }

    usort($statistics, function (StatisticsItem $a, StatisticsItem $b) {
        return $a->listeners < $b->listeners;
    });

    print PHP_EOL;

    print 'Популярные курсы по числу слушателей: '.PHP_EOL;
    $i = 0;
    foreach ($statistics as $statisticsItem) {
        $i++;
        print "$i. {$statisticsItem->course->title}: $statisticsItem->listeners".PHP_EOL;
        if ($i === $limit) {
            break;
        }
    }
}

/**
 * @param array|Order[] $orders
 *
 * @return array|StatisticsItem[]
 */
function collectStatistics(iterable $orders): iterable
{
    $statistics = [];

    foreach ($orders as $order) {
        if (!isset($statistics[$order->course->id])) {
            $statistics[$order->course->id] = new StatisticsItem();
            $statistics[$order->course->id]->course = $order->course;
        }

        $statistics[$order->course->id]->orders += 1;
        $statistics[$order->course->id]->listeners += $order->listenersCount;
    }

    return $statistics;
}

class StatisticsItem
{
    /**
     * @var Course
     */
    public $course;

    /**
     * @var int
     */
    public $orders = 0;

    /**
     * @var int
     */
    public $listeners = 0;
}

/**
 * @return ApiClient
 */
function getApiClient(): ApiClient
{
    $url = getenv('UCHIPRO_URL');
    $login = getenv('UCHIPRO_LOGIN');
    $password = getenv('UCHIPRO_PASSWORD');

    $identity = Identity::createByLogin($url, $login, $password);
    return ApiClient::create($identity);
}

/**
 * @return array|Order[]
 */
function fetchCompletedOrders(): iterable
{
    $orders = [];

    $ordersApi = getApiClient()->orders();

    $criteria = $ordersApi->createCriteria();
    $criteria->status = [
      Status::createPending(),
      Status::createTrainingComplete(),
      Status::createDocumentsReady(),
      Status::createCompleted()
    ];
    foreach ($ordersApi->findBy($criteria) as $order) {
        $orders[] = $order;
    }

    return $orders;
}