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@using System.Security
@using System.Security.Cryptography
@using Blazored.SessionStorage.JsonConverters
<StreamedImage Stream="@_stream" style="@StyleString"/>
@code {
private string _mxcUri;
private string _style;
private Stream _stream;
[Parameter]
public string MxcUri {
get => _mxcUri ?? "";
set {
if(_mxcUri == value) return;
_mxcUri = value;
UriHasChanged(value);
}
}
[Parameter]
public bool Circular { get; set; }
[Parameter]
public int Size { get; set; } = 48;
[Parameter]
public string SizeUnit { get; set; } = "px";
[Parameter]
public AuthenticatedHomeserverGeneric? Homeserver { get; set; }
private string StyleString => $"{(Circular ? "border-radius: 50%;" : "")} width: {Size}{SizeUnit}; height: {Size}{SizeUnit}; object-fit: cover;";
private static readonly string Prefix = "mxc://";
private static readonly int PrefixLength = Prefix.Length;
private async Task UriHasChanged(string value) {
if (!value.StartsWith(Prefix)) {
// Console.WriteLine($"UriHasChanged: {value} does not start with {Prefix}, passing as resolved URI!!!");
// ResolvedUri = value;
return;
}
if (Homeserver is null) {
Console.WriteLine("Homeserver is required for MxcAvatar");
return;
}
var uri = value[PrefixLength..].Split('/');
// Console.WriteLine($"UriHasChanged: {value} {uri[0]}");
var url = $"/_matrix/media/v3/download/{uri[0]}/{uri[1]}";
Console.WriteLine($"ResolvedUri: {url}");
_stream = await Homeserver.ClientHttpClient.GetStreamAsync(url);
StateHasChanged();
}
}
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