openvk/Web/Presenters/templates/components/cookies.xml

<div class="cookies-popup" style="display: none;">
    <div class="contanier">
        <div class="text">
            {tr("cookies_popup_content")|noescape}
        </div>
        <div class="buttons">
            <a href="javascript:agreeWithCookies()" class="button">
                {_cookies_popup_agree}
            </a>
        </div>
    </div>
</div>

<script>
    let cookie = decodeURIComponent(document.cookie).split(";");
    let cookiesAgreed = false;
    for(let i = 0; i < cookie.length; i++) {
        let c = cookie[i];
        while (c.charAt(0) == ' ') {
            c = c.substring(1);
        }
        if(c == "cookiesAgreed=true") {
            cookiesAgreed = true;
            break;
        }
    }
    if(!cookiesAgreed) {
        u(".cookies-popup").nodes[0].style.display = "block";
    }

    function agreeWithCookies() {
        let expires = (new Date(Date.now() + 40000000000)).toUTCString();
        
        document.cookie = "cookiesAgreed=true;expires=" + expires + ";SameSite=Strict";
        u(".cookies-popup").nodes[0].style.display = "none";
    }
</script>