301 lines
13 KiB
C#
301 lines
13 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text.Json;
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using System.Threading;
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using System.Threading.Tasks;
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using FinlyticCore.Dtos;
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using FinlyticCore.Dtos.Settings;
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using FinlyticCore.Models;
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using FinlyticCore.Services;
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using FinlyticCore.Util;
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using FinlyticTechnicalAnalysis.Services;
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using FinlyticTechnicalAnalysis.Util;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Hosting;
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using Microsoft.Extensions.Logging;
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namespace FinlyticTechnicalAnalysis.Util;
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public class TAMqttClient : ManagedMqttClient, IHostedService
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{
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private readonly IConfiguration _configuration;
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private readonly IServiceScopeFactory _scopeFactory;
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private readonly ILogger<TAMqttClient> _logger;
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public TAMqttClient(
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ILogger<TAMqttClient> logger,
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IConfiguration configuration,
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IServiceScopeFactory scopeFactory) : base(logger)
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{
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_logger = logger;
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_configuration = configuration;
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_scopeFactory = scopeFactory;
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}
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/// <summary>
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/// Starts the MQTT client.
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/// </summary>
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public async Task StartAsync(CancellationToken cancellationToken)
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{
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var host = _configuration["MQTT:Host"] ?? _configuration["MQTT__Host"] ?? "localhost";
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var portStr = _configuration["MQTT:Port"] ?? _configuration["MQTT__Port"] ?? "1883";
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var clientId = _configuration["MQTT:ClientId"] ?? "finlytic_ta_" + Guid.NewGuid().ToString("N");
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var config = new MqttConfiguration
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{
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Host = host,
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Port = int.TryParse(portStr, out var p) ? p : 1883,
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ClientId = clientId
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};
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_logger.LogInformation("Starting Technical Analysis MQTT client. Host: {Host}, ClientId: {ClientId}", config.Host, config.ClientId);
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await ConnectAsync(config);
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}
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/// <summary>
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/// Stops the MQTT client.
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/// </summary>
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public async Task StopAsync(CancellationToken cancellationToken)
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{
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_logger.LogInformation("Stopping Technical Analysis MQTT client.");
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await DisconnectAsync();
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}
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protected override async Task OnConnectedAsync()
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{
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_logger.LogInformation("Technical Analysis MQTT client connected. Subscribing to RPC topics...");
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await SubscribeAsync("services/request/ta_GetAnalysis/#");
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await SubscribeAsync("services/request/tr_GetLivePrice/#");
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await SubscribeAsync("services/request/ta_settings_GetAll/#");
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await SubscribeAsync("services/request/ta_settings_Update/#");
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await SubscribeAsync("services/request/health_Ping/#");
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await SubscribeAsync("services/config/updated/#");
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FinlyticCore.Services.FinlyticLogBroadcaster.OnLogPublished = async (logDto) =>
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{
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if (IsConnected && string.Equals(logDto.ServiceName, "FinlyticTechnicalAnalysis", StringComparison.OrdinalIgnoreCase))
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{
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await PublishAsync("finlytic/logs/FinlyticTechnicalAnalysis", logDto);
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}
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};
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}
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protected override async Task OnMessageReceivedAsync(string topic, string payload)
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{
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if (string.IsNullOrWhiteSpace(topic)) return;
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if (topic.StartsWith("services/config/updated", StringComparison.OrdinalIgnoreCase))
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{
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await HandleConfigUpdatedAsync(topic, payload);
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return;
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}
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var segments = topic.Split('/');
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if (segments.Length < 4) return;
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var channel = segments[2];
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var correlationId = segments[^1];
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switch (channel)
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{
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case "ta_GetAnalysis":
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await HandleGetAnalysisAsync(payload, correlationId);
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break;
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case "tr_GetLivePrice":
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await HandleGetLivePriceAsync(payload, correlationId);
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break;
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case "ta_settings_GetAll":
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await HandleSettingsGetAllAsync(correlationId);
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break;
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case "ta_settings_Update":
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await HandleSettingsUpdateAsync(payload, correlationId);
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break;
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case "health_Ping":
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await HandleHealthPingAsync(topic, segments, correlationId);
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break;
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default:
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_logger.LogDebug("Received unhandled RPC channel: {Channel}", channel);
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break;
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}
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}
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private async Task HandleSettingsGetAllAsync(string correlationId)
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{
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using var scope = _scopeFactory.CreateScope();
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var finlyticLogger = scope.ServiceProvider.GetRequiredService<IFinlyticLogger<TAMqttClient>>();
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var settingsService = scope.ServiceProvider.GetRequiredService<ISettingsService>();
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await finlyticLogger.LogInfoAsync(SettingKeys.MqttChannel, "[FinlyticTechnicalAnalysis] [Settings_GetAll] Retrieving all dynamic settings via reflection [CorrelationId: {CorrelationId}]", correlationId);
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try
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{
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var settings = await settingsService.GetAllRegisteredSettingsAsync(new[] { typeof(SettingKeys) });
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var responseTopic = $"services/response/ta_settings_GetAll/{correlationId}";
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await PublishAsync(responseTopic, settings);
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await finlyticLogger.LogInfoAsync(SettingKeys.MqttChannel, "[FinlyticTechnicalAnalysis] [Settings_GetAll] Published {Count} settings to '{ResponseTopic}'", settings.Count, responseTopic);
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}
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catch (Exception ex)
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{
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await finlyticLogger.LogErrorAsync(SettingKeys.MqttChannel, ex, "[FinlyticTechnicalAnalysis] [Settings_GetAll] Failed to retrieve settings.");
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}
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}
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private async Task HandleSettingsUpdateAsync(string payload, string correlationId)
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{
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if (string.IsNullOrWhiteSpace(payload)) return;
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using var scope = _scopeFactory.CreateScope();
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var finlyticLogger = scope.ServiceProvider.GetRequiredService<IFinlyticLogger<TAMqttClient>>();
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var settingsService = scope.ServiceProvider.GetRequiredService<ISettingsService>();
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await finlyticLogger.LogInfoAsync(SettingKeys.MqttChannel, "[FinlyticTechnicalAnalysis] [Settings_Update] Processing settings update RPC [CorrelationId: {CorrelationId}]", correlationId);
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try
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{
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Dictionary<string, object?>? updates = null;
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try
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{
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updates = JsonSerializer.Deserialize<Dictionary<string, object?>>(payload);
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}
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catch
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{
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var list = JsonSerializer.Deserialize<List<DynamicSettingDto>>(payload);
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if (list != null)
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{
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updates = new Dictionary<string, object?>();
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foreach (var item in list) updates[item.Key] = item.Value;
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}
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}
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if (updates != null && updates.Count > 0)
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{
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await settingsService.UpdateSettingsAsync(updates);
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await finlyticLogger.LogInfoAsync(SettingKeys.MqttChannel, "[FinlyticTechnicalAnalysis] [Settings_Update] Successfully updated {Count} settings in database and cache.", updates.Count);
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}
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var currentSettings = await settingsService.GetAllRegisteredSettingsAsync(new[] { typeof(SettingKeys) });
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var responseTopic = $"services/response/ta_settings_Update/{correlationId}";
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await PublishAsync(responseTopic, currentSettings);
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}
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catch (Exception ex)
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{
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await finlyticLogger.LogErrorAsync(SettingKeys.MqttChannel, ex, "[FinlyticTechnicalAnalysis] [Settings_Update] Failed to update settings.");
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}
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}
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private async Task HandleConfigUpdatedAsync(string topic, string payload)
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{
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if (!topic.EndsWith("FinlyticTechnicalAnalysis", StringComparison.OrdinalIgnoreCase))
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return;
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try
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{
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using var doc = JsonDocument.Parse(payload);
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if (doc.RootElement.TryGetProperty("settings", out var settingsProp))
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{
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var dict = JsonSerializer.Deserialize<Dictionary<string, object?>>(settingsProp.GetRawText());
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if (dict != null && dict.Count > 0)
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{
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using var scope = _scopeFactory.CreateScope();
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var settings = scope.ServiceProvider.GetRequiredService<ISettingsService>();
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await settings.UpdateSettingsAsync(dict);
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}
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}
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}
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catch { }
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}
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private async Task HandleHealthPingAsync(string topic, string[] segments, string correlationId)
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{
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bool isForMe = segments.Length >= 5
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? segments[3].Equals("FinlyticTechnicalAnalysis", StringComparison.OrdinalIgnoreCase)
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: topic.Contains("FinlyticTechnicalAnalysis", StringComparison.OrdinalIgnoreCase);
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if (isForMe)
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{
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string respTopic = $"services/response/health_Ping/{correlationId}";
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await PublishAsync(respTopic, new ServiceHealthResponse("FinlyticTechnicalAnalysis", "Online", DateTime.UtcNow, "Connected"));
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using var scope = _scopeFactory.CreateScope();
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var finlyticLogger = scope.ServiceProvider.GetRequiredService<IFinlyticLogger<TAMqttClient>>();
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await finlyticLogger.LogInfoAsync(SettingKeys.HealthPingChannel, "[FinlyticTechnicalAnalysis] Responded to live health_Ping RPC request [CorrelationId: {CorrelationId}].", correlationId);
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}
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}
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private async Task HandleGetAnalysisAsync(string payload, string correlationId)
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{
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using var scope = _scopeFactory.CreateScope();
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var finlyticLogger = scope.ServiceProvider.GetRequiredService<IFinlyticLogger<TAMqttClient>>();
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await finlyticLogger.LogInfoAsync(SettingKeys.TechnicalAnalysisChannel, "[FinlyticTechnicalAnalysis] Received RPC ta_GetAnalysis request. CorrelationId: {CorrelationId}", correlationId);
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var req = JsonSerializer.Deserialize(payload, FinlyticJsonSerializerContext.Default.IsinRequest);
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string responseTopic = $"services/response/ta_GetAnalysis/{correlationId}";
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if (string.IsNullOrWhiteSpace(req?.Isin))
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{
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await finlyticLogger.LogWarningAsync(SettingKeys.TechnicalAnalysisChannel, "[FinlyticTechnicalAnalysis] Request missing mandatory ISIN parameter.");
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await PublishAsync<object?>(responseTopic, null);
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return;
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}
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try
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{
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var taDbService = scope.ServiceProvider.GetRequiredService<ITechnicalAnalysisDbService>();
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var analysis = await taDbService.GetAnalysisAsync(req.Isin, req.ForceRefresh, req.Ticker);
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await finlyticLogger.LogInfoAsync(SettingKeys.TechnicalAnalysisChannel, "[FinlyticTechnicalAnalysis] Publishing RPC response to {ResponseTopic}", responseTopic);
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await PublishAsync(responseTopic, analysis);
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}
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catch (Exception ex)
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{
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await finlyticLogger.LogErrorAsync(SettingKeys.TechnicalAnalysisChannel, ex, "[FinlyticTechnicalAnalysis] Failed to fetch technical analysis for ISIN {Isin}", req.Isin);
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try
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{
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await PublishAsync<object?>(responseTopic, null);
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}
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catch { }
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}
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}
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private async Task HandleGetLivePriceAsync(string payload, string correlationId)
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{
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using var scope = _scopeFactory.CreateScope();
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var finlyticLogger = scope.ServiceProvider.GetRequiredService<IFinlyticLogger<TAMqttClient>>();
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await finlyticLogger.LogInfoAsync(SettingKeys.TechnicalAnalysisChannel, "[FinlyticTechnicalAnalysis] Received RPC tr_GetLivePrice request. CorrelationId: {CorrelationId}", correlationId);
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var req = JsonSerializer.Deserialize(payload, FinlyticJsonSerializerContext.Default.IsinRequest);
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string responseTopic = $"services/response/tr_GetLivePrice/{correlationId}";
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if (string.IsNullOrWhiteSpace(req?.Isin))
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{
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await finlyticLogger.LogWarningAsync(SettingKeys.TechnicalAnalysisChannel, "[FinlyticTechnicalAnalysis] tr_GetLivePrice request missing mandatory ISIN parameter.");
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await PublishAsync<object?>(responseTopic, null);
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return;
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}
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try
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{
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var taDbService = scope.ServiceProvider.GetRequiredService<ITechnicalAnalysisDbService>();
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var livePrice = await taDbService.GetLivePriceAsync(req.Isin);
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await finlyticLogger.LogInfoAsync(SettingKeys.TechnicalAnalysisChannel, "[FinlyticTechnicalAnalysis] Publishing RPC response to {ResponseTopic} for ISIN {Isin}", responseTopic, req.Isin);
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await PublishAsync(responseTopic, livePrice);
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}
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catch (Exception ex)
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{
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await finlyticLogger.LogErrorAsync(SettingKeys.TechnicalAnalysisChannel, ex, "[FinlyticTechnicalAnalysis] Failed to fetch live price for ISIN {Isin}", req.Isin);
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try
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{
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await PublishAsync<object?>(responseTopic, null);
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}
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catch { }
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}
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}
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} |