LANCommander/LANCommander.Server/Data/DatabaseContext.cs

using LANCommander.Server.Data.Models;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
using Microsoft.Build.Framework;
using Microsoft.EntityFrameworkCore;

namespace LANCommander.Server.Data
{
    public class DatabaseContext : IdentityDbContext<User, Role, Guid>
    {
        public DatabaseContext(DbContextOptions<DatabaseContext> options)
            : base(options)
        {
        }

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

            builder.ConfigureBaseRelationships<Data.Models.Action>();
            builder.ConfigureBaseRelationships<Archive>();
            builder.ConfigureBaseRelationships<Category>();
            builder.ConfigureBaseRelationships<Collection>();
            builder.ConfigureBaseRelationships<Company>();
            builder.ConfigureBaseRelationships<Game>();
            builder.ConfigureBaseRelationships<GameSave>();
            builder.ConfigureBaseRelationships<Genre>();
            builder.ConfigureBaseRelationships<Key>();
            builder.ConfigureBaseRelationships<Media>();
            builder.ConfigureBaseRelationships<MultiplayerMode>();
            builder.ConfigureBaseRelationships<Platform>();
            builder.ConfigureBaseRelationships<PlaySession>();
            builder.ConfigureBaseRelationships<Redistributable>();
            builder.ConfigureBaseRelationships<SavePath>();
            builder.ConfigureBaseRelationships<Script>();
            builder.ConfigureBaseRelationships<Data.Models.Server>();
            builder.ConfigureBaseRelationships<ServerConsole>();
            builder.ConfigureBaseRelationships<ServerHttpPath>();
            builder.ConfigureBaseRelationships<Tag>();
            builder.ConfigureBaseRelationships<Issue>();

            builder.Entity<Genre>()
                .HasMany(g => g.Games)
                .WithMany(g => g.Genres);

            builder.Entity<Category>()
                .HasMany(c => c.Games)
                .WithMany(g => g.Categories);

            builder.Entity<Category>()
                .HasMany(c => c.Children)
                .WithOne(c => c.Parent)
                .IsRequired(false);

            builder.Entity<Tag>()
                .HasMany(t => t.Games)
                .WithMany(g => g.Tags);

            builder.Entity<Platform>()
                .HasMany(p => p.Games)
                .WithMany(g => g.Platforms);

            #region Game Relationships
            builder.Entity<Game>()
                .HasMany(g => g.Archives)
                .WithOne(g => g.Game)
                .IsRequired(false)
                .OnDelete(DeleteBehavior.Cascade);

            builder.Entity<Game>()
                .HasMany(g => g.Scripts)
                .WithOne(s => s.Game)
                .IsRequired(false)
                .OnDelete(DeleteBehavior.Cascade);

            builder.Entity<Game>()
                .HasMany(g => g.Keys)
                .WithOne(g => g.Game)
                .IsRequired(true)
                .OnDelete(DeleteBehavior.Cascade);

            builder.Entity<Game>()
                .HasMany(g => g.Actions)
                .WithOne(g => g.Game)
                .IsRequired(false)
                .OnDelete(DeleteBehavior.Cascade);

            builder.Entity<Game>()
                .HasMany(g => g.MultiplayerModes)
                .WithOne(m => m.Game)
                .IsRequired(true)
                .OnDelete(DeleteBehavior.Cascade);

            builder.Entity<Game>()
                .HasMany(g => g.Media)
                .WithOne(m => m.Game)
                .IsRequired(false)
                .OnDelete(DeleteBehavior.Cascade);

            builder.Entity<Game>()
                .HasMany(g => g.SavePaths)
                .WithOne(p => p.Game)
                .OnDelete(DeleteBehavior.Cascade);

            builder.Entity<Game>()
                .HasMany(g => g.PlaySessions)
                .WithOne(ps => ps.Game)
                .IsRequired(false)
                .OnDelete(DeleteBehavior.SetNull);

            builder.Entity<Game>()
                .HasMany(g => g.GameSaves)
                .WithOne(gs => gs.Game)
                .IsRequired(false)
                .OnDelete(DeleteBehavior.SetNull);

            builder.Entity<Game>()
                .HasMany(g => g.Developers)
                .WithMany(c => c.DevelopedGames)
                .UsingEntity<Dictionary<string, object>>(
                    "GameDeveloper",
                    g => g.HasOne<Company>().WithMany().HasForeignKey("DeveloperId"),
                    g => g.HasOne<Game>().WithMany().HasForeignKey("GameId")
                );

            builder.Entity<Game>()
                .HasMany(g => g.Publishers)
                .WithMany(c => c.PublishedGames)
                .UsingEntity<Dictionary<string, object>>(
                    "GamePublisher",
                    g => g.HasOne<Company>().WithMany().HasForeignKey("PublisherId"),
                    g => g.HasOne<Game>().WithMany().HasForeignKey("GameId")
                );

            builder.Entity<Game>()
                .HasMany(g => g.Redistributables)
                .WithMany(r => r.Games)
                .UsingEntity<Dictionary<string, object>>(
                    "GameRedistributable",
                    gr => gr.HasOne<Redistributable>().WithMany().HasForeignKey("RedistributableId"),
                    gr => gr.HasOne<Game>().WithMany().HasForeignKey("GameId")
                );

            builder.Entity<Game>()
                .HasMany(g => g.DependentGames)
                .WithOne(g => g.BaseGame)
                .IsRequired(false)
                .OnDelete(DeleteBehavior.SetNull);

            builder.Entity<Game>()
                .HasOne(g => g.Engine)
                .WithMany(e => e.Games)
                .IsRequired(false)
                .OnDelete(DeleteBehavior.SetNull);
            #endregion

            #region Media Relationships
            builder.Entity<Media>()
                .HasOne(m => m.Thumbnail)
                .WithOne(m => m.Parent)
                .IsRequired(false)
                .OnDelete(DeleteBehavior.Cascade);
            #endregion

            #region User Relationships
            builder.Entity<User>()
                .HasMany(u => u.GameSaves)
                .WithOne(gs => gs.User)
                .IsRequired(true)
                .OnDelete(DeleteBehavior.Cascade);

            builder.Entity<User>()
                .HasMany(u => u.PlaySessions)
                .WithOne(ps => ps.User)
                .IsRequired(true)
                .OnDelete(DeleteBehavior.Cascade);

            builder.Entity<User>()
                .HasMany(u => u.Media)
                .WithOne(m => m.User)
                .IsRequired(false)
                .OnDelete(DeleteBehavior.Cascade);
            #endregion

            #region Server Relationships
            builder.Entity<Data.Models.Server>()
                .HasOne(s => s.Game)
                .WithMany(g => g.Servers)
                .IsRequired(false)
                .OnDelete(DeleteBehavior.SetNull);

            builder.Entity<Data.Models.Server>()
                .HasMany<ServerConsole>()
                .WithOne(sl => sl.Server)
                .IsRequired(true)
                .OnDelete(DeleteBehavior.Cascade);

            builder.Entity<Data.Models.Server>()
                .HasMany<ServerHttpPath>()
                .WithOne(s => s.Server)
                .IsRequired(true)
                .OnDelete(DeleteBehavior.Cascade);

            builder.Entity<Data.Models.Server>()
                .HasMany(s => s.Scripts)
                .WithOne(s => s.Server)
                .IsRequired(false)
                .OnDelete(DeleteBehavior.Cascade);

            builder.Entity<Data.Models.Server>()
                .HasMany(s => s.Actions)
                .WithOne(s => s.Server)
                .IsRequired(false)
                .OnDelete(DeleteBehavior.Cascade);
            #endregion

            #region Redistributable Relationships
            builder.Entity<Redistributable>()
                .HasMany(r => r.Archives)
                .WithOne(a => a.Redistributable)
                .IsRequired(false)
                .OnDelete(DeleteBehavior.Cascade);

            builder.Entity<Redistributable>()
                .HasMany(r => r.Scripts)
                .WithOne(s => s.Redistributable)
                .IsRequired(false)
                .OnDelete(DeleteBehavior.Cascade);
            #endregion

            #region Collection Relationships
            builder.Entity<Collection>()
                .HasMany(c => c.Games)
                .WithMany(g => g.Collections)
                .UsingEntity<Dictionary<string, object>>(
                    "CollectionGame",
                    cg => cg.HasOne<Game>().WithMany().HasForeignKey("GameId"),
                    cg => cg.HasOne<Collection>().WithMany().HasForeignKey("CollectionId")
                );
            #endregion

            #region Role Relationships
            builder.Entity<Role>()
                .HasMany(r => r.Collections)
                .WithMany(c => c.Roles)
                .UsingEntity<Dictionary<string, object>>(
                    "RoleCollection",
                    rc => rc.HasOne<Collection>().WithMany().HasForeignKey("CollectionId"),
                    rc => rc.HasOne<Role>().WithMany().HasForeignKey("RoleId")
                );
            #endregion

            #region Issue Relationships
            builder.Entity<Issue>()
                .HasOne(i => i.Game)
                .WithMany(g => g.Issues)
                .IsRequired(true)
                .OnDelete(DeleteBehavior.SetNull);
            #endregion
        }

        public DbSet<Game>? Games { get; set; }

        public DbSet<Genre>? Genres { get; set; }

        public DbSet<Category>? Categories { get; set; }

        public DbSet<Tag>? Tags { get; set; }

        public DbSet<Company>? Companies { get; set; }

        public DbSet<Key>? Keys { get; set; }

        public DbSet<GameSave>? GameSaves { get; set; }

        public DbSet<PlaySession>? PlaySessions { get; set; }

        public DbSet<Data.Models.Server>? Servers { get; set; }

        public DbSet<ServerConsole>? ServerConsoles { get; set; }

        public DbSet<Redistributable>? Redistributables { get; set; }

        public DbSet<Media>? Media { get; set; }
        public DbSet<Issue>? Issues { get; set; }
    }
}