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Enner Pérez 2024-03-20 02:36:10 -05:00
parent 014e37e505
commit a1a14f8858
305 changed files with 9783 additions and 9783 deletions
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157
src/Models/AvatarManager.cs
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@ -1,157 +0,0 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Net.Http;
using System.Threading;
using System.Threading.Tasks;
using Avalonia.Media.Imaging;
using Avalonia.Threading;
namespace SourceGit.Models
{
public interface IAvatarHost
{
void OnAvatarResourceChanged(string md5);
}
public static class AvatarManager
{
public static string SelectedServer
{
get;
set;
} = "https://www.gravatar.com/avatar/";
static AvatarManager()
{
_storePath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "SourceGit", "avatars");
if (!Directory.Exists(_storePath)) Directory.CreateDirectory(_storePath);
Task.Run(() =>
{
while (true)
{
var md5 = null as string;
lock (_synclock)
{
foreach (var one in _requesting)
{
md5 = one;
break;
}
}
if (md5 == null)
{
Thread.Sleep(100);
continue;
}
var localFile = Path.Combine(_storePath, md5);
var img = null as Bitmap;
try
{
var client = new HttpClient() { Timeout = TimeSpan.FromSeconds(2) };
var task = client.GetAsync($"{SelectedServer}{md5}?d=404");
task.Wait();
var rsp = task.Result;
if (rsp.IsSuccessStatusCode)
{
using (var stream = rsp.Content.ReadAsStream())
{
using (var writer = File.OpenWrite(localFile))
{
stream.CopyTo(writer);
}
}
using (var reader = File.OpenRead(localFile))
{
img = Bitmap.DecodeToWidth(reader, 128);
}
}
}
catch { }
lock (_synclock)
{
_requesting.Remove(md5);
}
Dispatcher.UIThread.InvokeAsync(() =>
{
if (_resources.ContainsKey(md5)) _resources[md5] = img;
else _resources.Add(md5, img);
NotifyResourceChanged(md5);
});
}
});
}
public static void Subscribe(IAvatarHost host)
{
_avatars.Add(host);
}
public static void Unsubscribe(IAvatarHost host)
{
_avatars.Remove(host);
}
public static Bitmap Request(string md5, bool forceRefetch = false)
{
if (forceRefetch)
{
if (_resources.ContainsKey(md5)) _resources.Remove(md5);
var localFile = Path.Combine(_storePath, md5);
if (File.Exists(localFile)) File.Delete(localFile);
NotifyResourceChanged(md5);
}
else
{
if (_resources.ContainsKey(md5)) return _resources[md5];
var localFile = Path.Combine(_storePath, md5);
if (File.Exists(localFile))
{
try
{
using (var stream = File.OpenRead(localFile))
{
var img = Bitmap.DecodeToWidth(stream, 128);
_resources.Add(md5, img);
return img;
}
}
catch { }
}
}
lock (_synclock)
{
if (!_requesting.Contains(md5)) _requesting.Add(md5);
}
return null;
}
private static void NotifyResourceChanged(string md5)
{
foreach (var avatar in _avatars)
{
avatar.OnAvatarResourceChanged(md5);
}
}
private static readonly object _synclock = new object();
private static readonly string _storePath = string.Empty;
private static readonly List<IAvatarHost> _avatars = new List<IAvatarHost>();
private static readonly Dictionary<string, Bitmap> _resources = new Dictionary<string, Bitmap>();
private static readonly HashSet<string> _requesting = new HashSet<string>();
}
}