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feat(TA): update technical analysis service

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Kleidukos
2026-08-09 21:01:42 +02:00
parent 05d55a324c
commit c74a4456af
18 changed files with 2288 additions and 0 deletions
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FinlyticTechnicalAnalysis/Util/TAMqttClient.cs
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using System;
using System.Text.Json;
using System.Threading;
using System.Threading.Tasks;
using FinlyticCore.Models;
using FinlyticCore.Util;
using FinlyticTechnicalAnalysis.Services;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
namespace FinlyticTechnicalAnalysis.Util;
public class TAMqttClient(
ILogger<TAMqttClient> logger,
IConfiguration configuration,
IServiceScopeFactory scopeFactory) : ManagedMqttClient(logger), IHostedService
{
/// <summary>
/// Starts the MQTT client.
/// </summary>
public async Task StartAsync(CancellationToken cancellationToken)
{
var host = configuration["MQTT:Host"] ?? configuration["MQTT__Host"] ?? "localhost";
var portStr = configuration["MQTT:Port"] ?? configuration["MQTT__Port"] ?? "1883";
var clientId = configuration["MQTT:ClientId"] ?? "finlytic_ta_" + Guid.NewGuid().ToString("N");
var config = new MqttConfiguration
{
Host = host,
Port = int.TryParse(portStr, out var p) ? p : 1883,
ClientId = clientId
};
logger.LogInformation("[{Channel}] Starting Technical Analysis MQTT client. Host: {Host}, ClientId: {ClientId}", "TechnicalAnalysisChannel", config.Host, config.ClientId);
await ConnectAsync(config);
}
/// <summary>
/// Stops the MQTT client.
/// </summary>
public async Task StopAsync(CancellationToken cancellationToken)
{
logger.LogInformation("[{Channel}] Stopping Technical Analysis MQTT client.", "TechnicalAnalysisChannel");
await DisconnectAsync();
}
protected override async Task OnConnectedAsync()
{
logger.LogInformation("[{Channel}] Technical Analysis MQTT client connected. Subscribing to RPC topic...", "TechnicalAnalysisChannel");
await SubscribeAsync("services/request/ta_GetAnalysis/#");
await SubscribeAsync("services/request/tr_GetLivePrice/#");
await SubscribeAsync("services/request/health_Ping/#");
await SubscribeAsync("services/config/updated/#");
}
protected override async Task OnMessageReceivedAsync(string topic, string payload)
{
if (string.IsNullOrWhiteSpace(topic)) return;
if (topic.StartsWith("services/config/updated", StringComparison.OrdinalIgnoreCase))
{
await HandleConfigUpdatedAsync(topic, payload);
return;
}
var segments = topic.Split('/');
if (segments.Length < 4) return;
var channel = segments[2];
var correlationId = segments[segments.Length - 1];
if (topic.Contains("health_Ping", StringComparison.OrdinalIgnoreCase))
{
await HandleHealthPingAsync(topic, segments, correlationId);
return;
}
if (channel == "ta_GetAnalysis")
{
await HandleGetAnalysisAsync(payload, correlationId);
}
else if (channel == "tr_GetLivePrice")
{
await HandleGetLivePriceAsync(payload, correlationId);
}
}
private async Task HandleConfigUpdatedAsync(string topic, string payload)
{
if (!topic.EndsWith("FinlyticTechnicalAnalysis", StringComparison.OrdinalIgnoreCase))
return;
logger.LogInformation("[{Channel}] [TAMqttClient] Received config update event for FinlyticTechnicalAnalysis.", "TechnicalAnalysisChannel");
try
{
var updatePayload = JsonSerializer.Deserialize(payload, FinlyticJsonSerializerContext.Default.ServiceConfigUpdatePayload);
if (updatePayload?.Settings != null && updatePayload.Settings.Count > 0)
{
using var scope = scopeFactory.CreateScope();
var settingsDb = scope.ServiceProvider.GetRequiredService<ISettingsDbService>();
await settingsDb.UpdateSettingsFromDictionaryAsync(updatePayload.Settings);
logger.LogInformation("[{Channel}] [TAMqttClient] Persisted {Count} updated settings to FinlyticTechnicalAnalysis database.", "TechnicalAnalysisChannel", updatePayload.Settings.Count);
}
}
catch (Exception ex)
{
logger.LogError(ex, "[{Channel}] [TAMqttClient] Error processing MQTT config update event.", "TechnicalAnalysisChannel");
}
}
private async Task HandleHealthPingAsync(string topic, string[] segments, string correlationId)
{
bool isForMe = segments.Length >= 5
? segments[3].Equals("FinlyticTechnicalAnalysis", StringComparison.OrdinalIgnoreCase)
: topic.Contains("FinlyticTechnicalAnalysis", StringComparison.OrdinalIgnoreCase);
if (isForMe)
{
string respTopic = $"services/response/health_Ping/{correlationId}";
await PublishAsync(respTopic, new FinlyticCore.Dtos.ServiceHealthResponse("FinlyticTechnicalAnalysis", "Online", DateTime.UtcNow, "Connected"));
logger.LogInformation("[{Channel}] [TAMqttClient] Responded to live health_Ping RPC request [CorrelationId: {CorrelationId}].", "TechnicalAnalysisChannel", correlationId);
}
}
private async Task HandleGetAnalysisAsync(string payload, string correlationId)
{
logger.LogInformation("[{Channel}] Received RPC ta_GetAnalysis request. CorrelationId: {CorrelationId}", "TechnicalAnalysisChannel", correlationId);
var req = JsonSerializer.Deserialize(payload, FinlyticJsonSerializerContext.Default.IsinRequest);
string responseTopic = $"services/response/ta_GetAnalysis/{correlationId}";
if (string.IsNullOrWhiteSpace(req?.Isin))
{
logger.LogWarning("[{Channel}] Request missing mandatory ISIN parameter.", "TechnicalAnalysisChannel");
await PublishAsync<object?>(responseTopic, null);
return;
}
try
{
using var scope = scopeFactory.CreateScope();
var taDbService = scope.ServiceProvider.GetRequiredService<ITechnicalAnalysisDbService>();
var analysis = await taDbService.GetAnalysisAsync(req.Isin, req.ForceRefresh);
logger.LogInformation("[{Channel}] Publishing RPC response to {ResponseTopic}", "TechnicalAnalysisChannel", responseTopic);
await PublishAsync(responseTopic, analysis);
}
catch (Exception ex)
{
logger.LogError(ex, "[{Channel}] Failed to fetch technical analysis and publish RPC response for ISIN {Isin}", "TechnicalAnalysisChannel", req.Isin);
// Antworte mit null, damit der Aufrufer nicht im RPC-Timeout verharrt
try
{
await PublishAsync<object?>(responseTopic, null);
}
catch { }
}
}
private async Task HandleGetLivePriceAsync(string payload, string correlationId)
{
logger.LogInformation("[{Channel}] Received RPC tr_GetLivePrice request. CorrelationId: {CorrelationId}", "TechnicalAnalysisChannel", correlationId);
var req = JsonSerializer.Deserialize(payload, FinlyticJsonSerializerContext.Default.IsinRequest);
string responseTopic = $"services/response/tr_GetLivePrice/{correlationId}";
if (string.IsNullOrWhiteSpace(req?.Isin))
{
logger.LogWarning("[{Channel}] tr_GetLivePrice request missing mandatory ISIN parameter.", "TechnicalAnalysisChannel");
await PublishAsync<object?>(responseTopic, null);
return;
}
try
{
using var scope = scopeFactory.CreateScope();
var taDbService = scope.ServiceProvider.GetRequiredService<ITechnicalAnalysisDbService>();
var livePrice = await taDbService.GetLivePriceAsync(req.Isin);
logger.LogInformation("[{Channel}] Publishing RPC response to {ResponseTopic} for ISIN {Isin}", "TechnicalAnalysisChannel", responseTopic, req.Isin);
await PublishAsync(responseTopic, livePrice);
}
catch (Exception ex)
{
logger.LogError(ex, "[{Channel}] Failed to fetch live price and publish RPC response for ISIN {Isin}", "TechnicalAnalysisChannel", req.Isin);
try
{
await PublishAsync<object?>(responseTopic, null);
}
catch { }
}
}
}