328 lines
13 KiB
C#
328 lines
13 KiB
C#
using GreenHome.Application;
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using GreenHome.Sms.Ippanel;
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using GreenHome.VoiceCall.Avanak;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Logging;
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using System.Text.Json;
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using static GreenHome.Sms.Ippanel.IppanelSmsService;
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namespace GreenHome.Infrastructure;
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public sealed class AlertService : IAlertService
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{
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private readonly GreenHomeDbContext dbContext;
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private readonly IDeviceSettingsService deviceSettingsService;
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private readonly ISmsService smsService;
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private readonly IVoiceCallService voiceCallService;
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private readonly ISunCalculatorService sunCalculatorService;
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private readonly ILogger<AlertService> logger;
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public AlertService(
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GreenHomeDbContext dbContext,
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IDeviceSettingsService deviceSettingsService,
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ISmsService smsService,
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IVoiceCallService voiceCallService,
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ISunCalculatorService sunCalculatorService,
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ILogger<AlertService> logger)
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{
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this.dbContext = dbContext;
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this.deviceSettingsService = deviceSettingsService;
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this.smsService = smsService;
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this.voiceCallService = voiceCallService;
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this.sunCalculatorService = sunCalculatorService;
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this.logger = logger;
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}
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public async Task CheckAndSendAlertsAsync(int deviceId, TelemetryDto telemetry, CancellationToken cancellationToken)
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{
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// Get device with settings and user
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var device = await dbContext.Devices
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.Include(d => d.User)
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.FirstOrDefaultAsync(d => d.Id == deviceId, cancellationToken);
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if (device == null || device.User == null)
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{
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logger.LogWarning("Device or user not found: DeviceId={DeviceId}", deviceId);
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return;
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}
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// Get device settings for location
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var settings = await deviceSettingsService.GetByDeviceIdAsync(deviceId, cancellationToken);
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// Get all enabled alert conditions for this device
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var conditions = await dbContext.AlertConditions
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.Include(c => c.Rules)
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.Where(c => c.DeviceId == deviceId && c.IsEnabled)
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.ToListAsync(cancellationToken);
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if (!conditions.Any())
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{
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logger.LogDebug("No enabled alert conditions for device: DeviceId={DeviceId}", deviceId);
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return;
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}
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// Determine if it's daytime or nighttime
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bool? isDaytime = null;
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if (settings?.Latitude != null && settings.Longitude != null)
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{
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isDaytime = sunCalculatorService.IsDaytime(DateTime.UtcNow, settings.Latitude.Value, settings.Longitude.Value);
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}
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// Check each condition
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foreach (var condition in conditions)
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{
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// Check time type filter
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if (condition.TimeType == Domain.AlertTimeType.Day && isDaytime == false)
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{
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continue; // This condition is for daytime only, but it's nighttime
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}
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if (condition.TimeType == Domain.AlertTimeType.Night && isDaytime == true)
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{
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continue; // This condition is for nighttime only, but it's daytime
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}
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// Check if all rules match (AND logic)
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var allRulesMatch = condition.Rules.All(rule => CheckRule(rule, telemetry));
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if (allRulesMatch && condition.Rules.Any())
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{
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// All rules passed, send alert if cooldown period has passed
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await SendAlertForConditionAsync(condition, device, telemetry, cancellationToken);
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}
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}
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}
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private bool CheckRule(Domain.AlertRule rule, TelemetryDto telemetry)
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{
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// Get sensor value
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var sensorValue = rule.SensorType switch
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{
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Domain.SensorType.Temperature => telemetry.TemperatureC,
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Domain.SensorType.Humidity => telemetry.HumidityPercent,
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Domain.SensorType.Soil => telemetry.SoilPercent,
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Domain.SensorType.Gas => telemetry.GasPPM,
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Domain.SensorType.Lux => telemetry.Lux,
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_ => 0m
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};
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// Check comparison
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return rule.ComparisonType switch
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{
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Domain.ComparisonType.GreaterThan => sensorValue > rule.Value1,
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Domain.ComparisonType.LessThan => sensorValue < rule.Value1,
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Domain.ComparisonType.Between => rule.Value2 != null && sensorValue >= rule.Value1 && sensorValue <= rule.Value2.Value,
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Domain.ComparisonType.OutOfRange => rule.Value2 != null && (sensorValue < rule.Value1 || sensorValue > rule.Value2.Value),
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_ => false
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};
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}
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private async Task SendAlertForConditionAsync(
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Domain.AlertCondition condition,
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Domain.Device device,
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TelemetryDto telemetry,
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CancellationToken cancellationToken)
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{
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// Determine cooldown based on notification type
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var cooldownMinutes = condition.NotificationType == Domain.AlertNotificationType.Call
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? condition.CallCooldownMinutes
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: condition.SmsCooldownMinutes;
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// Check if alert was sent recently
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var cooldownTime = DateTime.UtcNow.AddMinutes(-cooldownMinutes);
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var recentAlert = await dbContext.AlertNotifications
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.Where(a => a.DeviceId == device.Id &&
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a.UserId == device.User.Id &&
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a.AlertConditionId == condition.Id &&
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a.SentAt >= cooldownTime)
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.FirstOrDefaultAsync(cancellationToken);
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if (recentAlert != null)
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{
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logger.LogInformation("Alert skipped due to cooldown: DeviceId={DeviceId}, ConditionId={ConditionId}, Type={Type}",
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device.Id, condition.Id, condition.NotificationType);
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return;
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}
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// Build alert message
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var message = BuildAlertMessage(condition, device.DeviceName, telemetry);
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// Send notification
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string? messageOutboxIds = null;
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string? errorMessage = null;
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bool isSent = false;
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try
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{
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if (condition.NotificationType == Domain.AlertNotificationType.SMS)
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{
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(isSent, messageOutboxIds, errorMessage) = await SendSmsAlertAsync(device.User.Mobile, device.DeviceName, message, cancellationToken);
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}
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else // Call
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{
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(isSent, messageOutboxIds, errorMessage) = await SendCallAlertAsync(device.User.Mobile, device.DeviceName, message, cancellationToken);
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}
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}
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catch (Exception ex)
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{
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errorMessage = $"Exception: {ex.Message}";
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if (ex.InnerException != null)
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{
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errorMessage += $" | InnerException: {ex.InnerException.Message}";
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}
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isSent = false;
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logger.LogError(ex, "Failed to send alert: DeviceId={DeviceId}, ConditionId={ConditionId}, Type={Type}",
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device.Id, condition.Id, condition.NotificationType);
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}
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// Save notification to database
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var notification = new Domain.AlertNotification
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{
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DeviceId = device.Id,
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UserId = device.User.Id,
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AlertConditionId = condition.Id,
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NotificationType = condition.NotificationType,
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Message = message,
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MessageOutboxIds = messageOutboxIds,
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ErrorMessage = errorMessage,
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SentAt = DateTime.UtcNow,
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IsSent = isSent
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};
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dbContext.AlertNotifications.Add(notification);
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await dbContext.SaveChangesAsync(cancellationToken);
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}
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private string BuildAlertMessage(Domain.AlertCondition condition, string deviceName, TelemetryDto telemetry)
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{
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var parts = new List<string>();
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parts.Add($"هشدار گلخانه {deviceName}:");
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foreach (var rule in condition.Rules.OrderBy(r => r.Order))
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{
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var sensorName = rule.SensorType switch
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{
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Domain.SensorType.Temperature => "دما",
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Domain.SensorType.Humidity => "رطوبت",
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Domain.SensorType.Soil => "رطوبت خاک",
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Domain.SensorType.Gas => "گاز",
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Domain.SensorType.Lux => "نور",
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_ => "سنسور"
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};
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var sensorValue = rule.SensorType switch
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{
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Domain.SensorType.Temperature => telemetry.TemperatureC,
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Domain.SensorType.Humidity => telemetry.HumidityPercent,
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Domain.SensorType.Soil => telemetry.SoilPercent,
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Domain.SensorType.Gas => telemetry.GasPPM,
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Domain.SensorType.Lux => telemetry.Lux,
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_ => 0m
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};
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var unit = rule.SensorType switch
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{
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Domain.SensorType.Temperature => "°C",
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Domain.SensorType.Humidity => "%",
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Domain.SensorType.Soil => "%",
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Domain.SensorType.Gas => "PPM",
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Domain.SensorType.Lux => "لوکس",
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_ => ""
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};
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var conditionText = rule.ComparisonType switch
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{
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Domain.ComparisonType.GreaterThan => $"{sensorName} ({sensorValue:F1}{unit}) بیشتر از {rule.Value1}{unit}",
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Domain.ComparisonType.LessThan => $"{sensorName} ({sensorValue:F1}{unit}) کمتر از {rule.Value1}{unit}",
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Domain.ComparisonType.Between => $"{sensorName} ({sensorValue:F1}{unit}) بین {rule.Value1} و {rule.Value2}{unit}",
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Domain.ComparisonType.OutOfRange => $"{sensorName} ({sensorValue:F1}{unit}) خارج از محدوده {rule.Value1} تا {rule.Value2}{unit}",
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_ => $"{sensorName}: {sensorValue:F1}{unit}"
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};
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parts.Add(conditionText);
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}
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return string.Join(" و ", parts);
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}
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private async Task<(bool isSent, string? messageOutboxIds, string? errorMessage)> SendSmsAlertAsync(
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string mobile,
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string deviceName,
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string message,
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CancellationToken cancellationToken)
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{
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try
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{
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var smsResponse = await smsService.SendPatternSmsAsync(new PatternSmsRequest
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{
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Recipients = [mobile],
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PatternCode = "64di3w9kb0fxvif",
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Variables = new Dictionary<string, string> {
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{ "name", deviceName },
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{ "parameter", "شرایط" },
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{ "value", message },
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{ "status", "هشدار" }
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}
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}, cancellationToken);
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if (smsResponse != null && smsResponse.Meta.Status &&
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smsResponse.Data?.MessageOutboxIds != null &&
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smsResponse.Data.MessageOutboxIds.Count > 0)
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{
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var outboxIds = JsonSerializer.Serialize(smsResponse.Data.MessageOutboxIds);
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logger.LogInformation("Alert SMS sent: Mobile={Mobile}, OutboxIds={OutboxIds}", mobile, outboxIds);
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return (true, outboxIds, null);
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}
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else
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{
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var errors = new List<string>();
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if (!string.IsNullOrWhiteSpace(smsResponse?.Meta.Message))
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{
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errors.Add(smsResponse.Meta.Message);
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}
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if (smsResponse?.Meta.Errors != null)
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{
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foreach (var error in smsResponse.Meta.Errors)
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{
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errors.Add($"{error.Key}: {string.Join(", ", error.Value)}");
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}
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}
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var errorMsg = errors.Count > 0 ? string.Join(" | ", errors) : "Unknown SMS error";
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logger.LogWarning("Alert SMS failed: Mobile={Mobile}, Error={Error}", mobile, errorMsg);
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return (false, null, errorMsg);
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}
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}
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catch (Exception ex)
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{
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var errorMsg = $"Exception: {ex.Message}";
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logger.LogError(ex, "Exception sending SMS alert: Mobile={Mobile}", mobile);
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return (false, null, errorMsg);
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}
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}
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private async Task<(bool isSent, string? callId, string? errorMessage)> SendCallAlertAsync(
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string mobile,
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string deviceName,
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string message,
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CancellationToken cancellationToken)
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{
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try
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{
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// TODO: Implement voice call integration
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// For now, just log and return success
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logger.LogInformation("Voice call alert requested: Mobile={Mobile}, Message={Message}", mobile, message);
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// Placeholder: In real implementation, call voiceCallService here
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// var callResponse = await voiceCallService.MakeCallAsync(mobile, message, cancellationToken);
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return (true, null, "Voice call not yet implemented");
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}
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catch (Exception ex)
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{
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var errorMsg = $"Exception: {ex.Message}";
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logger.LogError(ex, "Exception sending call alert: Mobile={Mobile}", mobile);
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return (false, null, errorMsg);
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}
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}
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}
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