was added firebase nitifying

Govor.Core/Models/Users/UserPushToken.cs

@@ -0,0 +1,20 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace Govor.Core.Models.Users;
+public class UserPushToken
+{
+    public Guid Id { get; set; } = Guid.NewGuid();
+
+    public Guid UserId { get; set; }
+    public Guid? UserSessionId { get; set; }
+
+    public string Token { get; set; } = string.Empty;        // FCM/APNs 
+    public string Provider { get; set; } = "FCM";            // FCM | APNs | Web | Huawei
+    public string Platform { get; set; } = string.Empty;     // android | ios | web
+
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+    public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
+    public DateTime? LastUsedAt { get; set; }
+
+    public bool IsActive { get; set; } = true;
+}

Govor.Core/Repositories/PushTokens/IPushTokenReader.cs

@@ -0,0 +1,10 @@
+namespace Govor.Core.Repositories.PushTokens;
+
+public interface IPushTokenReader
+{
+    Task<List<string>> GetActiveTokensAsync(Guid userId);
+    
+    Task<List<string>> GetActiveTokensUsersAsync(IEnumerable<Guid> userIds);
+
+    Task<string> GetActiveTokenBySessionAsync(Guid sessionId);
+}

Govor.Core/Repositories/PushTokens/IPushTokenRepository.cs

@@ -0,0 +1,6 @@
+namespace Govor.Core.Repositories.PushTokens;
+
+public interface IPushTokenRepository : IPushTokenReader, IPushTokenWriter
+{
+
+}

Govor.Core/Repositories/PushTokens/IPushTokenWriter.cs

@@ -0,0 +1,11 @@
+namespace Govor.Core.Repositories.PushTokens;
+
+public interface IPushTokenWriter
+{
+    Task AddOrUpdateTokenAsync(Guid userId, Guid? sessionId, string token, 
+        string platform, string provider = "FCM");
+
+    Task RemoveTokensAsync(IEnumerable<string> tokens);
+
+    Task DeactivateTokenBySessionAsync(Guid sessionId); // logout
+}