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using System.Net.Http.Json;
using System.Text.Json;
namespace MatrixRoomUtils.Core;
public class Room
{
private readonly HttpClient _httpClient;
public string RoomId { get; set; }
public Room(HttpClient httpClient, string roomId)
{
_httpClient = httpClient;
RoomId = roomId;
}
public async Task<JsonElement?> GetStateAsync(string type, string state_key="", bool logOnFailure = false)
{
var url = $"/_matrix/client/v3/rooms/{RoomId}/state";
if (!string.IsNullOrEmpty(state_key)) url += $"/{type}/{state_key}";
else if (!string.IsNullOrEmpty(type)) url += $"/{type}";
var cache_key = "room_states_"+type;
if (!RuntimeCache.GenericResponseCache.ContainsKey(cache_key))
{
Console.WriteLine($"[!!] No cache for {cache_key}, creating...");
RuntimeCache.GenericResponseCache.Add(cache_key, new ObjectCache<object?>()
{
DefaultExpiry = type switch
{
"m.room.name" => TimeSpan.FromMinutes(15),
_ => TimeSpan.FromMinutes(5)
}
});
}
if (RuntimeCache.GenericResponseCache[cache_key][url] != null)
{
if(RuntimeCache.GenericResponseCache[cache_key][url].ExpiryTime > DateTime.Now)
{
Console.WriteLine($"[:3] Found cached state: {RuntimeCache.GenericResponseCache[cache_key][url].Result}");
return (JsonElement?)RuntimeCache.GenericResponseCache[cache_key][url].Result;
}
else
{
Console.WriteLine($"[!!] Cached state expired at {RuntimeCache.GenericResponseCache[cache_key][url].ExpiryTime}: {RuntimeCache.GenericResponseCache[cache_key][url].Result}");
}
}
else
{
Console.WriteLine($"[!!] No cached state for {url}");
}
var res = await _httpClient.GetAsync(url);
if (!res.IsSuccessStatusCode)
{
if(logOnFailure) Console.WriteLine($"{RoomId}/{state_key}/{type} - got status: {res.StatusCode}");
return null;
}
var result = await res.Content.ReadFromJsonAsync<JsonElement>();
RuntimeCache.GenericResponseCache[cache_key][url] = new GenericResult<object>()
{
Result = result
};
return result;
}
public async Task<string?> GetNameAsync()
{
var res = await GetStateAsync("m.room.name");
if (!res.HasValue)
{
Console.WriteLine($"Room {RoomId} has no name!");
return null;
}
var resn = res?.TryGetProperty("name", out var name) ?? false ? name.GetString() : null;
//Console.WriteLine($"Got name: {resn}");
return resn;
}
}
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