EnvelopeGenerator/EnvelopeGenerator.Infrastructure/EGDbContextFactory.cs

using EnvelopeGenerator.Application.Configurations;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Design;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Options;

namespace EnvelopeGenerator.Infrastructure
{
    public class EGDbContextFactory : IDesignTimeDbContextFactory<EGDbContext>
    {
        public EGDbContext CreateDbContext(string[] args)
        {
            var config = new ConfigurationBuilder()
                .SetBasePath(Directory.GetCurrentDirectory()) // Önemli!
                .AddJsonFile("appsettings.migration.json")
                .Build();

            // create DbContextOptions
            var optionsBuilder = new DbContextOptionsBuilder<EGDbContext>();
            optionsBuilder.UseSqlServer(config.GetConnectionString("Default"));

            // create DbTriggerParams
            var triggerLists = config.GetSection("DbTriggerParams").Get<Dictionary<string, List<string>>>();
            var dbTriggerParams = new DbTriggerParams();
            if(triggerLists is not null)
                foreach (var triggerList in triggerLists)
                {
                    if(triggerList.Value.Count == 0)
                        continue; // Skip empty trigger lists

                    var tableName = triggerList.Key;

                    dbTriggerParams[tableName] = new List<string>();

                    foreach (var trigger in triggerList.Value)
                    {
                        dbTriggerParams[tableName].Add(trigger);
                    }
                }

            var dbContext = new EGDbContext(optionsBuilder.Options, Options.Create(dbTriggerParams));
            dbContext.IsMigration = true;
            return dbContext;
        }
    }
}