ApiManutenzioni/ApiPolo/Interfaces/TenantDbContextFactory.cs

using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using ApiPolo.Interfaces;
using System;
using System.Collections.Generic;
using static ApiPolo.Controllers.PoloController;
using ApiPolo.Data;

namespace ApiPolo.Services
{
    public class TenantDbContextFactory : ITenantDbContextFactory
    {
        private readonly IServiceProvider _serviceProvider;

        public TenantDbContextFactory(IServiceProvider serviceProvider)
        {
            _serviceProvider = serviceProvider;
        }

        public ITenantDbContext GetDbContext(string tenant)
        {
            return tenant switch
            {
                Clienti.Maras => _serviceProvider.GetRequiredService<Maras_DbContext>(),
                // Add other tenants as needed
                // Clienti.AnotherTenant => _serviceProvider.GetRequiredService<AnotherTenant_DbContext>(),
                _ => throw new KeyNotFoundException($"No DbContext found for tenant: {tenant}")
            };
        }
    }
}