feat(Backend): update API gateway and websocket hubs
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@@ -0,0 +1,288 @@
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text.Json.Serialization;
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using System.Threading.Tasks;
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using FinlyticBackend.Util;
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using FinlyticCore.Dtos;
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using FinlyticCore.Util;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Cors;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.Extensions.Logging;
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namespace FinlyticBackend.Controllers;
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/// <summary>
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/// Represents a single configuration item for a microservice.
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/// </summary>
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public record ServiceConfigItem(
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string Key,
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string Value,
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string DataType,
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string Description,
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DateTime UpdatedAt
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);
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/// <summary>
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/// DTO for returning service configuration items (AOT-compliant).
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/// </summary>
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public record ServiceConfigItemResponseDto(
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[property: JsonPropertyName("key")] string Key,
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[property: JsonPropertyName("value")] string Value,
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[property: JsonPropertyName("dataType")] string DataType,
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[property: JsonPropertyName("description")] string Description,
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[property: JsonPropertyName("updatedAt")] DateTime UpdatedAt
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);
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/// <summary>
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/// DTO representing the operational health status of a microservice (AOT-compliant).
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/// </summary>
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public record ServiceHealthStatusDto(
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[property: JsonPropertyName("name")] string Name,
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[property: JsonPropertyName("type")] string Type,
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[property: JsonPropertyName("status")] string Status,
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[property: JsonPropertyName("port")] string Port,
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[property: JsonPropertyName("communication")] string Communication,
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[property: JsonPropertyName("db")] string Db,
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[property: JsonPropertyName("lastPing")] DateTime LastPing
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);
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[ApiController]
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[Route("api/v1/admin/settings")]
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[Authorize(Roles = "Admin")]
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[EnableCors("AllowAll")]
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public class AdminSettingsController : ControllerBase
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{
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private readonly WebMqttClient _mqttClient;
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private readonly ILogger<AdminSettingsController> _logger;
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// In-memory static store for default UI configuration templates
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private static readonly ConcurrentDictionary<string, List<ServiceConfigItem>> _inMemorySettings = new(StringComparer.OrdinalIgnoreCase);
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static AdminSettingsController()
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{
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// Default-Templates für Microservice-Konfigurationen initialisieren
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_inMemorySettings["FinlyticAnalyzer"] = new List<ServiceConfigItem>
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{
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new("MinSignalScore", "75.0", "double", "Mindest-Score für KI-Trade-Proposals (0-100)", DateTime.UtcNow),
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new("VixPanicThreshold", "30.0", "double", "VIX-Wert ab dem Panik-Modus aktiviert wird", DateTime.UtcNow),
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new("ProposalTtlMinutes", "180", "int", "Gültigkeitsdauer von Trade-Proposals in Minuten", DateTime.UtcNow)
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};
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_inMemorySettings["FinlyticNews"] = new List<ServiceConfigItem>
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{
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new("ScrapeIntervalMinutes", "15", "int", "Intervall für das Scraping neuer Nachrichten", DateTime.UtcNow),
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new("FinBertBatchSize", "8", "int", "Batch-Größe für die Sentiment-Analyse", DateTime.UtcNow)
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};
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_inMemorySettings["FinlyticTechnicalAnalysis"] = new List<ServiceConfigItem>
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{
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new("EmaShortPeriod", "20", "int", "Kurze Periode für EMA-Berechnungen", DateTime.UtcNow),
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new("EmaLongPeriod", "50", "int", "Lange Periode für EMA-Berechnungen", DateTime.UtcNow),
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new("RsiPeriod", "14", "int", "Standard-Periode für RSI-Berechnung", DateTime.UtcNow)
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};
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_inMemorySettings["FinlyticTrades"] = new List<ServiceConfigItem>
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{
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new("ExportFeedbackIntervalHours", "6", "int", "Intervall für den Parquet/JSON Feedback-Export", DateTime.UtcNow),
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new("DefaultLeverageLimit", "10", "decimal", "Standardmäßiger Maximalhebel für Derivate", DateTime.UtcNow)
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};
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}
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public AdminSettingsController(
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WebMqttClient mqttClient,
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ILogger<AdminSettingsController> logger)
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{
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_mqttClient = mqttClient;
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_logger = logger;
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}
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/// <summary>
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/// Retrieves all service configurations grouped by service name.
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/// </summary>
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[HttpGet]
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public IActionResult GetAllSettings()
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{
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var grouped = _inMemorySettings.ToDictionary(
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g => g.Key,
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g => g.Value.Select(item => new ServiceConfigItemResponseDto(
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Key: item.Key,
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Value: item.Value,
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DataType: item.DataType,
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Description: item.Description,
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UpdatedAt: item.UpdatedAt
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)).ToList()
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);
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return Ok(grouped);
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}
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/// <summary>
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/// Performs live MQTT RPC health pings across all microservices and returns their real operational status.
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/// </summary>
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[HttpGet("health")]
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public async Task<IActionResult> GetServicesHealth()
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{
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var servicesToCheck = new (string Name, string Channel, string Type, string Db)[]
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{
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("FinlyticAssets", "health_Ping/FinlyticAssets", "Asset Catalog & Scraper", "PostgreSQL assets"),
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("FinlyticNews", "health_Ping/FinlyticNews", "News RSS Scraper & AI", "PostgreSQL news"),
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("FinlyticTechnicalAnalysis", "health_Ping/FinlyticTechnicalAnalysis", "Technical Indicators (EMA/RSI)", "PostgreSQL ta"),
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("FinlyticSentiment", "health_Ping/FinlyticSentiment", "NLP Sentiment Engine", "PostgreSQL sentiment"),
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("FinlyticAnalyzer", "health_Ping/FinlyticAnalyzer", "Multi-Layer Signal Engine", "PostgreSQL analyzer"),
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("FinlyticTrades", "health_Ping/FinlyticTrades", "Trade Lifecycle Manager", "PostgreSQL trades"),
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("FinlyticFundamentals", "health_Ping/FinlyticFundamentals", "Financial Statements & Estimates", "PostgreSQL fundamentals"),
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};
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var results = new List<ServiceHealthStatusDto>
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{
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new(
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Name: "FinlyticBackend",
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Type: "REST API & SignalR Gateway",
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Status: "Online",
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Port: "5000",
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Communication: "Kestrel HTTP / WebSocket",
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Db: "PostgreSQL backend",
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LastPing: DateTime.UtcNow
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)
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};
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var tasks = servicesToCheck.Select(async s =>
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{
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try
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{
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if (_mqttClient.IsConnected)
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{
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var resp = await _mqttClient.SendRpcRequestAsync<ServiceHealthResponse, EmptyRequest>(
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s.Channel,
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new EmptyRequest(),
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TimeSpan.FromMilliseconds(1200)
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);
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if (resp != null)
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{
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return new ServiceHealthStatusDto(
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Name: s.Name,
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Type: s.Type,
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Status: "Online",
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Port: "MQTT Only (No HTTP Port)",
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Communication: "MQTT RPC & Pub/Sub",
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Db: s.Db,
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LastPing: resp.Timestamp
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);
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}
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}
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}
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catch (Exception ex)
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{
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_logger.LogWarning(ex, "[AdminSettings] Health ping timed out or failed for service {ServiceName}", s.Name);
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}
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return new ServiceHealthStatusDto(
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Name: s.Name,
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Type: s.Type,
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Status: "Offline",
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Port: "MQTT Only (No HTTP Port)",
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Communication: "MQTT (No Response / Timeout)",
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Db: s.Db,
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LastPing: DateTime.UtcNow
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);
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});
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var pingResults = await Task.WhenAll(tasks);
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results.AddRange(pingResults);
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return Ok(results);
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}
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/// <summary>
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/// Retrieves settings for a specific service.
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/// </summary>
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[HttpGet("{serviceName}")]
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public IActionResult GetServiceSettings(string serviceName)
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{
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if (_inMemorySettings.TryGetValue(serviceName, out var list))
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{
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var dtos = list.Select(item => new ServiceConfigItemResponseDto(
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Key: item.Key,
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Value: item.Value,
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DataType: item.DataType,
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Description: item.Description,
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UpdatedAt: item.UpdatedAt
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)).ToList();
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return Ok(dtos);
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}
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return Ok(new List<ServiceConfigItemResponseDto>());
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}
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/// <summary>
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/// Broadcasts configuration settings to the targeted microservice via MQTT.
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/// Does NOT write to Backend database. The microservice persists updated settings directly into its own database.
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/// </summary>
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[HttpPut("{serviceName}")]
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public async Task<IActionResult> UpdateServiceSettings(string serviceName, [FromBody] Dictionary<string, string> updatedValues)
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{
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if (updatedValues == null || !updatedValues.Any())
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{
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return BadRequest(new { message = "No settings provided for update." });
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}
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_logger.LogInformation("[AdminSettings] Transmitting {Count} config settings to microservice '{ServiceName}' via MQTT", updatedValues.Count, serviceName);
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// In-Memory Template-Store aktualisieren
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if (_inMemorySettings.TryGetValue(serviceName, out var existingList))
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{
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foreach (var (key, value) in updatedValues)
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{
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var idx = existingList.FindIndex(item => item.Key.Equals(key, StringComparison.OrdinalIgnoreCase));
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if (idx >= 0)
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{
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var old = existingList[idx];
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existingList[idx] = old with { Value = value, UpdatedAt = DateTime.UtcNow };
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}
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else
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{
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existingList.Add(new ServiceConfigItem(key, value, "string", $"Setting for {serviceName}", DateTime.UtcNow));
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}
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}
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}
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else
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{
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var newList = updatedValues.Select(kv => new ServiceConfigItem(kv.Key, kv.Value, "string", $"Setting for {serviceName}", DateTime.UtcNow)).ToList();
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_inMemorySettings[serviceName] = newList;
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}
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// MQTT Config-Update Event senden
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bool mqttPublished = false;
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try
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{
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if (_mqttClient.IsConnected)
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{
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string topic = $"services/config/updated/{serviceName}";
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var payload = new ServiceConfigUpdatePayload(
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ServiceName: serviceName,
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Timestamp: DateTime.UtcNow,
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Settings: updatedValues
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);
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await _mqttClient.PublishAsync(topic, payload);
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mqttPublished = true;
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_logger.LogInformation("[AdminSettings] Broadcasted config update event to MQTT topic '{Topic}' for microservice persistence.", topic);
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}
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "[AdminSettings] Failed to publish MQTT config update event for service '{ServiceName}'", serviceName);
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}
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return Ok(new
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{
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message = $"Settings successfully transmitted to microservice {serviceName}.",
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mqttDispatched = mqttPublished
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});
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}
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}
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