public async Task SetWalletInfo(WalletId walletId, WalletBlobInfo blob)
{
if (walletId == null)
{
throw new ArgumentNullException(nameof(walletId));
}
using (var ctx = _ContextFactory.CreateContext())
{
var walletData = new WalletData()
{
Id = walletId.ToString()
};
walletData.SetBlobInfo(blob);
var entity = await ctx.Wallets.AddAsync(walletData);
entity.State = EntityState.Modified;
try
{
await ctx.SaveChangesAsync();
}
catch (DbUpdateException) // Does not exists
{
entity.State = EntityState.Added;
await ctx.SaveChangesAsync();
}
}
}
public IEnumerable <Label> GetLabels(WalletBlobInfo walletBlobInfo, HttpRequest request)
{
foreach (var kv in walletBlobInfo.LabelColors)
{
yield return(CreateLabel(kv.Key, kv.Value, request));
}
}
private string ChooseBackgroundColor(
WalletBlobInfo walletBlobInfo,
HttpRequest request
)
{
var labels = GetWalletColoredLabels(walletBlobInfo, request);
List <string> allColors = new List <string>();
allColors.AddRange(LabelColorScheme);
allColors.AddRange(labels.Select(l => l.Color));
var chosenColor =
allColors
.GroupBy(k => k)
.OrderBy(k => k.Count())
.ThenBy(k =>
{
var indexInColorScheme = Array.IndexOf(LabelColorScheme, k.Key);
// Ensures that any label color which may not be in our label color scheme is given the least priority
return(indexInColorScheme == -1 ? double.PositiveInfinity : indexInColorScheme);
})
.First().Key;
return(chosenColor);
}
public IEnumerable <ColoredLabel> ColorizeTransactionLabels(WalletBlobInfo walletBlobInfo, WalletTransactionInfo transactionInfo,
HttpRequest request)
{
foreach (var label in transactionInfo.Labels)
{
walletBlobInfo.LabelColors.TryGetValue(label.Value.Text, out var color);
yield return(CreateLabel(label.Value, color, request));
}
}
public IEnumerable <ColoredLabel> GetWalletColoredLabels(WalletBlobInfo walletBlobInfo, HttpRequest request)
{
foreach (var kv in walletBlobInfo.LabelColors)
{
yield return(CreateLabel(new RawLabel()
{
Text = kv.Key
}, kv.Value, request));
}
}
public IEnumerable <Label> GetLabels(WalletBlobInfo walletBlobInfo, WalletTransactionInfo transactionInfo,
HttpRequest request)
{
foreach (var label in transactionInfo.Labels)
{
if (walletBlobInfo.LabelColors.TryGetValue(label, out var color))
{
yield return(CreateLabel(label, color, request));
}
}
}
async public Task <RawLabel> BuildLabel(
WalletBlobInfo walletBlobInfo,
HttpRequest request,
WalletTransactionInfo walletTransactionInfo,
WalletId walletId,
string transactionId,
string label
)
{
label = label.Trim().TrimStart('{').ToLowerInvariant().Replace(',', ' ').Truncate(MaxLabelSize);
var labels = GetWalletColoredLabels(walletBlobInfo, request);
if (!labels.Any(l => l.Text.Equals(label, StringComparison.OrdinalIgnoreCase)))
{
var chosenColor = ChooseBackgroundColor(walletBlobInfo, request);
walletBlobInfo.LabelColors.Add(label, chosenColor);
await _walletRepository.SetWalletInfo(walletId, walletBlobInfo);
}
return(new RawLabel(label));
}