telegram-bot/modules/Reputation/Data/UserReputationContextFactory.cs

#nullable enable
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Design;

namespace West.TelegramBot.Reputation.Data;

public class ReputationContextFactory : IDesignTimeDbContextFactory<ReputationContext>
{
    public ReputationContext CreateDbContext(string[] args)
    {
        var optionsBuilder = new DbContextOptionsBuilder<ReputationContext>();
        if (args.Length != 1)
        {
            throw new InvalidDataException("You should pass DSN as CLI argument in order to use this.");
        }
        var dsn = args[0];
        optionsBuilder.UseMySql(dsn, ServerVersion.AutoDetect(dsn));

        return new ReputationContext(optionsBuilder.Options);
    }
}