init with code from Foxnouns.NET

Hydra.Backend/Database/Models/Account.cs

@@ -0,0 +1,10 @@
+namespace Hydra.Backend.Database.Models;
+
+public class Account : BaseModel
+{
+    public required string Name { get; set; }
+    public required string EmailAddress { get; set; }
+    public required string Password { get; set; }
+
+    public List<Member> Members { get; init; } = [];
+}

Hydra.Backend/Database/Models/Application.cs

@@ -0,0 +1,39 @@
+using System.Security.Cryptography;
+using Hydra.Backend.Utils;
+
+namespace Hydra.Backend.Database.Models;
+
+public class Application : BaseModel
+{
+    public required string ClientId { get; init; }
+    public required string ClientSecret { get; init; }
+    public required string Name { get; init; }
+    public required string[] Scopes { get; init; }
+    public required string[] RedirectUris { get; set; }
+
+    public static Application Create(string name, string[] scopes,
+        string[] redirectUrls)
+    {
+        var clientId = RandomNumberGenerator.GetHexString(32, true);
+        var clientSecret = AuthUtils.RandomToken();
+
+        if (scopes.Except(AuthUtils.Scopes).Any())
+        {
+            throw new ArgumentException("Invalid scopes passed to Application.Create", nameof(scopes));
+        }
+
+        if (redirectUrls.Any(s => !AuthUtils.ValidateRedirectUri(s)))
+        {
+            throw new ArgumentException("Invalid redirect URLs passed to Application.Create", nameof(redirectUrls));
+        }
+
+        return new Application
+        {
+            ClientId = clientId,
+            ClientSecret = clientSecret,
+            Name = name,
+            Scopes = scopes,
+            RedirectUris = redirectUrls
+        };
+    }
+}

Hydra.Backend/Database/Models/Member.cs

@@ -0,0 +1,9 @@
+namespace Hydra.Backend.Database.Models;
+
+public class Member : BaseModel
+{
+    public required string Name { get; set; }
+    
+    public Ulid AccountId { get; init; }
+    public Account Account { get; init; } = null!;
+}

Hydra.Backend/Database/Models/Token.cs

@@ -0,0 +1,17 @@
+using NodaTime;
+
+namespace Hydra.Backend.Database.Models;
+
+public class Token : BaseModel
+{
+    public required byte[] Hash { get; init; }
+    public required Instant ExpiresAt { get; init; }
+    public required string[] Scopes { get; init; }
+    public bool ManuallyExpired { get; set; }
+
+    public Ulid UserId { get; init; }
+    public Account Account { get; init; } = null!;
+
+    public Ulid ApplicationId { get; set; }
+    public Application Application { get; set; } = null!;
+}