themepicker.php

См. документацию.

<?php
 
namespace Bitrix\Socialnetwork\Integration\Intranet;
 
use Bitrix\Intranet\Integration\Templates\Bitrix24;
use Bitrix\Main\ArgumentException;
use Bitrix\Main\Loader;
 
class ThemePicker
{
    public static function getDefaultPortalThemeId(): ?string
    {
        if (!self::isAvaliable())
        {
            return null;
        }
 
        return Bitrix24\ThemePicker::getInstance()?->getDefaultThemeId();
    }
 
    public static function getThemePicker(
        int $groupId,
        int $userId,
        string $siteId = SITE_ID,
        string $templateId = SITE_TEMPLATE_ID,
 
    ): ?Bitrix24\ThemePicker
    {
        if (!self::isAvaliable())
        {
            return null;
        }
 
        try
        {
            return new Bitrix24\ThemePicker(
                $templateId,
                $siteId,
                $userId,
                Bitrix24\ThemePicker::ENTITY_TYPE_SONET_GROUP,
                $groupId
            );
        }
        catch (ArgumentException)
        {
            return null;
        }
    }
 
    public static function applyUserTheme(): void
    {
        if (!self::isAvaliable())
        {
            return;
        }
 
        $themePicker = self::getUserThemePicker();
 
        self::applyTheme($themePicker);
    }
 
    public static function applyGroupTheme(int $groupId): void
    {
        if (!self::isAvaliable())
        {
            return;
        }
 
        $themePicker = self::getGroupThemePicker($groupId);
 
        self::applyTheme($themePicker);
    }
 
    public static function getUserTheme(): array
    {
        if (!self::isAvaliable())
        {
            return [];
        }
 
        return self::getUserThemePicker()->getCurrentTheme();
    }
 
    public static function getGroupTheme(int $groupId): array
    {
        if (!self::isAvaliable())
        {
            return [];
        }
 
        return self::getGroupThemePicker($groupId)->getCurrentTheme();
    }
 
    protected static function getUserThemePicker(): Bitrix24\ThemePicker
    {
        return new Bitrix24\ThemePicker(
            SITE_TEMPLATE_ID,
            SITE_ID,
            self::getUserId(),
            Bitrix24\ThemePicker::ENTITY_TYPE_USER,
            self::getUserId(),
        );
    }
 
    protected static function getGroupThemePicker(int $groupId): Bitrix24\ThemePicker
    {
        return new Bitrix24\ThemePicker(
            SITE_TEMPLATE_ID,
            SITE_ID,
            self::getUserId(),
            Bitrix24\ThemePicker::ENTITY_TYPE_SONET_GROUP,
            $groupId,
        );
    }
 
    protected static function isAvaliable(): bool
    {
        return Loader::includeModule('intranet') && Bitrix24\ThemePicker::isAvailable();
    }
 
    protected static function applyTheme(Bitrix24\ThemePicker $themePicker)
    {
        $themePicker->showHeadAssets();
        $themePicker->showBodyAssets();
 
        $baseTheme = $themePicker->getCurrentBaseThemeId();
        echo <<<JS
<script>
    BX.ready(() => {
        document.body.className = document.body.className.replace(/bitrix24-[^\s]*-theme/, '');
        document.body.classList.add("bitrix24-$baseTheme-theme");
    });
</script>
JS;
    }
 
    protected static function getUserId(): int
    {
        global $USER;
 
        return (int)$USER->getId();
    }
}