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

using Kruzya.TelegramBot.Core.EF;
using Microsoft.EntityFrameworkCore;

namespace West.TelegramBot.Reputation.Data;

public class ReputationContext : AutoSaveDbContext
{
    public DbSet<UserReputation> UserReputation { get; set; } = null!;

    public ReputationContext(DbContextOptions<ReputationContext> options) : base(options)
    {
        Database.EnsureCreated();
    }

    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        modelBuilder.Entity<UserReputation>().HasKey(e => new {e.ChatId, e.UserId});
        modelBuilder.Entity<UserReputation>().HasIndex(e => e.ChatId);
    }
}