QuotifyBE/Data/ApplicationDbContext.cs

// using Microsoft.AspNetCore.Identity;
// using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Logging;
using QuotifyBE.Entities;

namespace QuotifyBE.Data
{
    public class ApplicationDbContext : DbContext //<User, IdentityRole<string>, string>
    {
        public ApplicationDbContext(DbContextOptions<ApplicationDbContext> options)
            : base(options)
        {
        }

        public DbSet<User> Users => Set<User>();
        public DbSet<Quote> Quotes => Set<Quote>();
        public DbSet<Category> Categories => Set<Category>();
        public DbSet<Image> Images => Set<Image>();
        public DbSet<QuoteCategory> QuoteCategories => Set<QuoteCategory>();
        public DbSet<Statistic> Statistics => Set<Statistic>();

        protected override void OnModelCreating(ModelBuilder builder)
        {
            base.OnModelCreating(builder);

            builder.Entity<QuoteCategory>()
                .HasKey(vs => new { vs.QuoteId, vs.CategoryId });

            builder.Entity<Statistic>(e => {
                e.HasIndex(e => e.Label).IsUnique();
            });
        }
    }
}