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using System.Diagnostics.CodeAnalysis;
using LibMatrix.ExampleBot.Bot.Interfaces;
using LibMatrix.Homeservers;
using LibMatrix.Services;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
namespace LibMatrix.ExampleBot.Bot.StartupTasks;
public class ServerRoomSizeCalulator : IHostedService {
private readonly HomeserverProviderService _homeserverProviderService;
private readonly ILogger<ServerRoomSizeCalulator> _logger;
private readonly MRUBotConfiguration _configuration;
private readonly IEnumerable<ICommand> _commands;
public ServerRoomSizeCalulator(HomeserverProviderService homeserverProviderService, ILogger<ServerRoomSizeCalulator> logger,
MRUBotConfiguration configuration, IServiceProvider services) {
logger.LogInformation("Server room size calculator hosted service instantiated!");
_homeserverProviderService = homeserverProviderService;
_logger = logger;
_configuration = configuration;
}
/// <summary>Triggered when the application host is ready to start the service.</summary>
/// <param name="cancellationToken">Indicates that the start process has been aborted.</param>
[SuppressMessage("ReSharper", "FunctionNeverReturns")]
public async Task StartAsync(CancellationToken cancellationToken) {
Directory.GetFiles("bot_data/cache").ToList().ForEach(File.Delete);
AuthenticatedHomeserverGeneric hs;
try {
hs = await _homeserverProviderService.GetAuthenticatedWithToken(_configuration.Homeserver,
_configuration.AccessToken);
}
catch (Exception e) {
_logger.LogError("{}", e.Message);
throw;
}
await (hs.GetRoom("!DoHEdFablOLjddKWIp:rory.gay")).JoinAsync();
Dictionary<string, int> totalRoomSize = new();
foreach (var room in await hs.GetJoinedRooms()) {
var stateList = room.GetFullStateAsync().ToBlockingEnumerable().ToList();
var roomSize = stateList.Count;
if (roomSize > 10000) {
await File.AppendAllLinesAsync("large_rooms.txt", new[] { $"{{ \"{room.RoomId}\", {roomSize} }}," }, cancellationToken);
}
var roomHs = room.RoomId.Split(":")[1];
if (totalRoomSize.ContainsKey(roomHs)) {
totalRoomSize[roomHs] += roomSize;
}
else {
totalRoomSize.Add(roomHs, roomSize);
}
_logger.LogInformation($"Got room state for {room.RoomId}!");
}
await File.WriteAllTextAsync("server_size.txt", string.Join('\n', totalRoomSize.Select(x => $"{{ \"{x.Key}\", {x.Value} }},")), cancellationToken);
}
/// <summary>Triggered when the application host is performing a graceful shutdown.</summary>
/// <param name="cancellationToken">Indicates that the shutdown process should no longer be graceful.</param>
public Task StopAsync(CancellationToken cancellationToken) {
_logger.LogInformation("Shutting down bot!");
return Task.CompletedTask;
}
}
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