Implement weather evaluators factory

Author: izzat5233

RealTimeWeatherMonitoringApp/Infrastructure/Factory/WeatherEvaluatorFactory.cs

@@ -0,0 +1,32 @@
+using RealTimeWeatherMonitoringApp.Domain.Interfaces;
+using RealTimeWeatherMonitoringApp.Domain.Models;
+using RealTimeWeatherMonitoringApp.Infrastructure.Configuration;
+using RealTimeWeatherMonitoringApp.Infrastructure.Evaluators;
+using RealTimeWeatherMonitoringApp.Infrastructure.Interfaces.Factory;
+
+namespace RealTimeWeatherMonitoringApp.Infrastructure.Factory;
+
+public class WeatherEvaluatorFactory : IEvaluatorFactory<WeatherData>
+{
+    public IEvaluator<WeatherData> CreateEvaluator(ConditionConfiguration config)
+    {
+        var value = config.Value;
+        var comparison = GetComparisonOperator(config.Operator);
+        return config.Type.ToLower() switch
+        {
+            "temperature" => new WeatherTemperatureEvaluator(value, comparison),
+            "humidity" => new WeatherHumidityEvaluator(value, comparison),
+            _ => throw new ArgumentException($"Unsupported condition type: {config.Type}")
+        };
+    }
+
+    private Func<double, double, bool> GetComparisonOperator(string @operator)
+    {
+        return @operator switch
+        {
+            "greaterThan" => (x, y) => x > y,
+            "lessThan" => (x, y) => x < y,
+            _ => throw new ArgumentException($"Unsupported operator: {@operator}")
+        };
+    }
+}

RealTimeWeatherMonitoringApp/Infrastructure/Interfaces/Factory/IEvaluatorFactory.cs

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+using RealTimeWeatherMonitoringApp.Domain.Interfaces;
+using RealTimeWeatherMonitoringApp.Infrastructure.Configuration;
+
+namespace RealTimeWeatherMonitoringApp.Infrastructure.Interfaces.Factory;
+
+public interface IEvaluatorFactory<in TEvaluated>
+{
+    /// <exception cref="ArgumentException">When the configuration is invalid for the output data type</exception>
+    IEvaluator<TEvaluated> CreateEvaluator(ConditionConfiguration configuration);
+}