feat: implement Kavenegar SMS service and refactor system configurations to use static constants

src/CMSMicroservice.Infrastructure/Services/Commission/CommissionCalculationStrategyFactory.cs

@@ -1,4 +1,5 @@
 using CMSMicroservice.Application.Common.Interfaces;
+using CMSMicroservice.Domain.Common;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.DependencyInjection;
 
@@ -13,13 +14,6 @@ public class CommissionCalculationStrategyFactory : ICommissionCalculationStrate
     private readonly IWeekDefinitionRepository _weekRepository;
     private readonly IServiceProvider _serviceProvider;
 
-    /// <summary>
-    /// کلید Config برای انتخاب استراتژی
-    /// مقدار: "ORM" یا "SP"
-    /// پیش‌فرض: "ORM"
-    /// </summary>
-    private const string ConfigKey = "Commission.CalculationStrategy";
-
     public CommissionCalculationStrategyFactory(
         IApplicationDbContext context,
         IWeekDefinitionRepository weekRepository,
@@ -31,13 +25,10 @@ public class CommissionCalculationStrategyFactory : ICommissionCalculationStrate
     }
 
     /// <inheritdoc />
-    public async Task<ICommissionCalculationStrategy> CreateStrategyAsync(CancellationToken cancellationToken = default)
+    public Task<ICommissionCalculationStrategy> CreateStrategyAsync(CancellationToken cancellationToken = default)
     {
-        // خواندن Config از دیتابیس
-        var config = await _context.SystemConfigurations
-            .FirstOrDefaultAsync(x => x.Key == ConfigKey && x.IsActive, cancellationToken);
-
-        var strategyValue = config?.Value?.ToUpperInvariant() ?? "ORM";
+        // خواندن Config از SystemConstants (استاتیک)
+        var strategyValue = SystemConstants.CommissionCalculationStrategy.ToUpperInvariant();
 
         var strategyType = strategyValue switch
         {
@@ -45,7 +36,7 @@ public class CommissionCalculationStrategyFactory : ICommissionCalculationStrate
             _ => CommissionCalculationStrategyType.Orm
         };
 
-        return CreateStrategy(strategyType);
+        return Task.FromResult(CreateStrategy(strategyType));
     }
 
     /// <inheritdoc />