[Add] MasterData Services.

AMREZ.EOP.Application/UseCases/MasterData/Allergen/DeleteAllergenUseCase.cs

@@ -0,0 +1,30 @@
+using AMREZ.EOP.Abstractions.Applications.Tenancy;
+using AMREZ.EOP.Abstractions.Applications.UseCases.MasterData.Allergen;
+using AMREZ.EOP.Abstractions.Infrastructures.Repositories;
+using Microsoft.AspNetCore.Http;
+
+namespace AMREZ.EOP.Application.UseCases.MasterData.Allergen;
+
+public class DeleteAllergenUseCase : IDeleteAllergenUseCase
+{
+    private readonly IAllergenRepository _repo;
+    private readonly ITenantResolver _tenantResolver;
+    private readonly IHttpContextAccessor _http;
+
+    public DeleteAllergenUseCase(IAllergenRepository repo, ITenantResolver tr, IHttpContextAccessor http)
+    {
+        _repo = repo;
+        _tenantResolver = tr;
+        _http = http;
+    }
+
+    public async Task<bool> ExecuteAsync(Guid id, CancellationToken ct = default)
+    {
+        var http = _http.HttpContext ?? throw new InvalidOperationException("No HttpContext");
+        var tc = _tenantResolver.Resolve(http) ?? throw new InvalidOperationException("No tenant");
+        var tid = Guid.Parse(tc.Id);
+
+        var n = await _repo.SoftDeleteAsync(id, tid, ct);
+        return n > 0;
+    }
+}