oqtane.framework/Oqtane.Client/Themes/Controls/Theme/CookieConsent.razor

@namespace Oqtane.Themes.Controls
@inherits ThemeControlBase
@inject ISettingService SettingService
@inject ICookieConsentService CookieConsentService
@inject IStringLocalizer<CookieConsent> Localizer

@if (_enabled && !Hidden)
{
    <div class="gdpr-consent-bar bg-light text-dark @(_showBanner ? "px-0 py-3 pt-5 pt-sm-3 pe-sm-5 ps-sm-3" : "p-0") fixed-bottom">
        <form method="post" @formname="CookieConsentForm" @onsubmit="async () => await AcceptPolicy()" data-enhance>
            @if (_showBanner)
            {
                <input type="hidden" name="@Constants.RequestVerificationToken" value="@SiteState.AntiForgeryToken" />
                <div class="container-fluid">
                    <div class="row">
                        <div class="col-9 col-xl-10">
                            @if (PageState.RenderMode == RenderModes.Static)
                            {
                                <input type="checkbox" name="cantrack" checked="@_canTrack" value="1" class="form-check-input me-2" />
                            }
                            else
                            {
                                <input type="checkbox" name="cantrack" @bind="@_canTrack" value="1" class="form-check-input me-2" />
                            }
                            @((MarkupString)Convert.ToString(Localizer["ConsentNotice"]))
                        </div>
                        <div class="col-3 col-xl-2">
                            <div class="row">
                                <div class="col-md-6 col-xs-6 text-center">
                                    <button class="btn btn-primary mb-1 px-0 w-100" type="submit">@((MarkupString)Convert.ToString(Localizer["Confirm"]))</button>
                                </div>
                                @if (ShowPrivacyLink)
                                {
                                    <div class="col-md-6 col-xs-6 text-center">
                                        <a class="btn btn-secondary mb-1 px-0 w-100" href="/privacy" target="_blank">@((MarkupString)Convert.ToString(Localizer["Privacy"]))</a>
                                    </div>

                                }
                            </div>
                        </div>
                    </div>
                </div>
            }
        </form>
        <form method="post" @formname="CookieConsentToggleForm" @onsubmit="async () => await ToggleBanner()" data-enhance>
            <input type="hidden" name="@Constants.RequestVerificationToken" value="@SiteState.AntiForgeryToken" />
            @if (_showBanner)
            {
                <input type="hidden" name="showbanner" value="false" />
                <button type="submit" class="btn btn-light text-dark btn-sm position-absolute btn-hide">
                    <i class="oi oi-chevron-bottom"></i>
                </button>
            }
            else
            {
                <input type="hidden" name="showbanner" value="true" />
                <button type="submit" class="btn btn-light text-dark btn-sm position-absolute btn-show">
                    <i class="oi oi-chevron-top"></i>
                </button>
            }

        </form>
    </div>
}
@code {
    private bool _showBanner;
    private bool _enabled;
    private bool _optout;
    private bool _actioned;
    private bool _canTrack;
    private bool _consentPostback;
    private bool _togglePostback;

    [Parameter]
    public bool Hidden { get; set; }

    [Parameter]
    public bool ShowPrivacyLink { get; set; } = true;

    [SupplyParameterFromForm(FormName = "CookieConsentToggleForm")]
    public string ShowBanner
    {
        get => "";
        set
        {
            _showBanner = bool.Parse(value);
            _togglePostback = true;
        }
    }

    [SupplyParameterFromForm(FormName = "CookieConsentForm")]
    public string CanTrack
    {
        get => "";
        set
        {
            _canTrack = !string.IsNullOrEmpty(value);
            _consentPostback = true;
        }
    }

    protected override async Task OnInitializedAsync()
    {
        var cookieConsentSetting = SettingService.GetSetting(PageState.Site.Settings, "CookieConsent", string.Empty);
        _enabled = !string.IsNullOrEmpty(cookieConsentSetting);
        _optout = cookieConsentSetting == "optout";
        _actioned = await CookieConsentService.IsActionedAsync();

        if (!_consentPostback)
        {
            _canTrack = await CookieConsentService.CanTrackAsync(_optout);
        }

        if (!_togglePostback)
        {
            _showBanner = !_actioned;
        }
    }

    private async Task AcceptPolicy()
    {
        var cookieString = string.Empty;
        if (_optout)
        {
            cookieString = _canTrack ? await CookieConsentService.WithdrawConsentCookieAsync() : await CookieConsentService.CreateConsentCookieAsync();
        }
        else
        {
            cookieString = _canTrack ? await CookieConsentService.CreateConsentCookieAsync() : await CookieConsentService.WithdrawConsentCookieAsync();
        }

        //update the page state
        PageState.AllowCookies = _canTrack;

        if (!string.IsNullOrEmpty(cookieString))
        {
            var interop = new Interop(JSRuntime);
            await interop.SetCookieString(cookieString);

            _actioned = true;
            _showBanner = false;

            StateHasChanged();
        }
    }

    private async Task ToggleBanner()
    {
        if (!_actioned)
        {
            var cookieString = await CookieConsentService.CreateActionedCookieAsync();
            if (!string.IsNullOrEmpty(cookieString))
            {
                var interop = new Interop(JSRuntime);
                await interop.SetCookieString(cookieString);

                _actioned = true;
            }
        }

        if (PageState.RenderMode == RenderModes.Interactive)
        {
            _showBanner = !_showBanner;
            StateHasChanged();
        }
    }
}