Add profiles domain, infra, API endpoints

RecNet.Domain/Entities/Profiles/Profile.cs

@@ -0,0 +1,62 @@
+using RecNet.Domain.Common;
+using RecNet.Domain.Exceptions;
+
+namespace RecNet.Domain.Entities.Profiles;
+
+public class Profile
+{
+    public const int MinNameLength = 3;
+    public const int MaxNameLength = 32;
+
+    private Profile(
+        string name, 
+        PlatformType platform, 
+        string platformId)
+    {
+        SetName(name);
+        
+        Platform = platform;
+        PlatformId = RequireValue(platformId, nameof(platformId));
+        
+        CreatedAt = DateTimeOffset.UtcNow;
+    }
+
+    public Guid ProfileId { get; } = Guid.NewGuid();
+
+    public string Name { get; private set; } = string.Empty;
+
+    public PlatformType Platform { get; private set; }
+    public string PlatformId { get; private set; }
+    public List<string> DeviceIds { get; private set; } = [];
+
+    public DateTimeOffset CreatedAt { get; private set; }
+
+    public static Profile Create(
+        string name, 
+        PlatformType platform, 
+        string platformId)
+        => new(name, platform, platformId);
+    
+    public void SetName(string name)
+    {
+        var requiredName = RequireValue(name, nameof(name));
+
+        if (requiredName.Length is < MinNameLength or > MaxNameLength)
+            throw new DomainException($"Username must be between {MinNameLength} and {MaxNameLength} characters long.");
+
+        Name = requiredName;
+    }
+
+    public void AddDeviceId(string deviceId)
+    {
+        deviceId = RequireValue(deviceId, nameof(deviceId));
+        
+        if (DeviceIds.Contains(deviceId))
+            return;
+        
+        DeviceIds.Add(deviceId);
+    }
+
+    private static string RequireValue(string value, string parameterName)
+        => !string.IsNullOrWhiteSpace(value) ? value : throw new DomainException($"{parameterName} is required.");
+}