btcpayserver/BTCPayServer/Components/StoreWalletBalance/Default.cshtml

@using BTCPayServer.Services.Wallets
@model BTCPayServer.Components.StoreWalletBalance.StoreWalletBalanceViewModel

<div id="StoreWalletBalance-@Model.Store.Id" class="widget store-wallet-balance">
    <div class="d-flex gap-3 align-items-center justify-content-between mb-2">
        <h6>Wallet Balance</h6>
        @if (Model.CryptoCode != Model.DefaultCurrency)
        {
            <div class="btn-group btn-group-sm gap-0 currency-toggle" role="group">
                <input type="radio" class="btn-check" name="StoreWalletBalance-currency" id="StoreWalletBalance-currency_@Model.CryptoCode" value="@Model.CryptoCode" autocomplete="off" checked>
                <label class="btn btn-outline-secondary px-2 py-1" for="StoreWalletBalance-currency_@Model.CryptoCode">@Model.CryptoCode</label>
                <input type="radio" class="btn-check" name="StoreWalletBalance-currency" id="StoreWalletBalance-currency_@Model.DefaultCurrency" value="@Model.DefaultCurrency" autocomplete="off">
                <label class="btn btn-outline-secondary px-2 py-1" for="StoreWalletBalance-currency_@Model.DefaultCurrency">@Model.DefaultCurrency</label>
            </div>
        }
    </div>
    <header class="mb-3">
        @if (Model.Balance != null)
        {
            <div class="balance d-flex align-items-baseline gap-1">
                <h3 class="d-inline-block me-1" data-balance="@Model.Balance" data-sensitive>@Model.Balance</h3>
                <span class="text-secondary fw-semibold currency">@Model.CryptoCode</span>
            </div>
        }
        @if (Model.Series != null)
        {
            <div class="btn-group only-for-js mt-1" role="group" aria-label="Period">
                <input type="radio" class="btn-check" name="StoreWalletBalancePeriod-@Model.Store.Id" id="StoreWalletBalancePeriodWeek-@Model.Store.Id" value="@WalletHistogramType.Week" @(Model.Type == WalletHistogramType.Week ? "checked" : "")>
                <label class="btn btn-link" for="StoreWalletBalancePeriodWeek-@Model.Store.Id">1W</label>
                <input type="radio" class="btn-check" name="StoreWalletBalancePeriod-@Model.Store.Id" id="StoreWalletBalancePeriodMonth-@Model.Store.Id" value="@WalletHistogramType.Month" @(Model.Type == WalletHistogramType.Month ? "checked" : "")>
                <label class="btn btn-link" for="StoreWalletBalancePeriodMonth-@Model.Store.Id">1M</label>
                <input type="radio" class="btn-check" name="StoreWalletBalancePeriod-@Model.Store.Id" id="StoreWalletBalancePeriodYear-@Model.Store.Id" value="@WalletHistogramType.Year" @(Model.Type == WalletHistogramType.Year ? "checked" : "")>
                <label class="btn btn-link" for="StoreWalletBalancePeriodYear-@Model.Store.Id">1Y</label>
            </div>
        }
    </header>
    @if (Model.Series != null)
    {
        <div class="ct-chart"></div>
    }
    else
    {
        <p>
            We would like to show you a chart of your balance.
            Please <a href="https://github.com/dgarage/NBXplorer/blob/master/docs/Postgres-Migration.md" target="_blank" rel="noreferrer noopener">migrate to the new NBXplorer backend</a>
            for that data to become available.
        </p>
    }
    <script>
        (function () {
            const storeId = @Safe.Json(Model.Store.Id);
            const cryptoCode = @Safe.Json(Model.CryptoCode);
            const defaultCurrency = @Safe.Json(Model.DefaultCurrency);
            const divisibility = @Safe.Json(Model.CurrencyData.Divisibility);
            let data = { series: @Safe.Json(Model.Series), labels: @Safe.Json(Model.Labels), balance: @Safe.Json(Model.Balance) };
            let rate = null;
            
            const id = `StoreWalletBalance-${storeId}`;
            const baseUrl = @Safe.Json(Url.Action("WalletHistogram", "UIWallets", new { walletId = Model.WalletId, type = WalletHistogramType.Week }));
            const chartOpts = {
                fullWidth: true,
                showArea: true,
                axisY: {
                    labelInterpolationFnc: value => rate
                        ? DashboardUtils.displayDefaultCurrency(value, rate, defaultCurrency, divisibility).toString()
                        : value
                }
            };
            
            const render = data => {
                let { series, labels } = data;
                const currency = rate ? defaultCurrency : cryptoCode;
                document.querySelectorAll(`#${id} .currency`).forEach(c => c.innerText = currency) 
                document.querySelectorAll(`#${id} [data-balance]`).forEach(c => {
                    const value = Number.parseFloat(c.dataset.balance);
                    c.innerText = rate
                        ? DashboardUtils.displayDefaultCurrency(value, rate, currency, divisibility)
                        : value
                });
                if (!series) return;
                
                const min = Math.min(...series);
                const max = Math.max(...series);
                const low = Math.max(min - ((max - min) / 5), 0);
                const renderOpts = Object.assign({}, chartOpts, { low });
                const chart = new Chartist.Line(`#${id} .ct-chart`, {
                    labels,
                    series: [series]
                }, renderOpts);
                
                // prevent y-axis labels from getting cut off
                window.setTimeout(() => {
                    const yLabels = [...document.querySelectorAll('.ct-label.ct-vertical.ct-start')];
                    if (yLabels) {
                        const width = Math.max(...(yLabels.map(l => l.innerText.length * 7.5)));
                        const opts = Object.assign({}, renderOpts, { 
                            axisY: Object.assign({}, renderOpts.axisY, { offset: width })
                        });
                        chart.update(null, opts);
                    }
                }, 0)
            };
            
            const update = async type => {
                const url = baseUrl.replace(/\/week$/gi, `/${type}`);
                const response = await fetch(url);
                if (response.ok) {
                    data = await response.json();
                    render(data);
                }
            };
            
            render(data);
            
            document.addEventListener('DOMContentLoaded', () => {
                delegate('change', `#${id} [name="StoreWalletBalancePeriod-${storeId}"]`, async e => {
                    const type = e.target.value;
                    await update(type);
                })
                delegate('change', `#${id} .currency-toggle input`, async e => {
                    const { target } = e;
                    if (target.value === defaultCurrency) {
                        rate = await DashboardUtils.fetchRate(`${cryptoCode}_${defaultCurrency}`);
                        if (rate) render(data);
                    } else {
                        rate = null;
                        render(data);
                    }
                });
            });
        })();
    </script>
</div>