Two things:

* User views its devices, from a /manage index link
* Yavsc.Server resurection

Yavsc.Server/Models/Identity/ApplicationUser.cs

@@ -0,0 +1,105 @@
+
+using System.Collections.Generic;
+using Microsoft.AspNet.Identity.EntityFramework;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Yavsc.Models
+{
+    using Models.Relationship;
+    using Models.Identity;
+    using Models.Chat;
+    using Models.Bank;
+    using Models.Access;
+    using Newtonsoft.Json;
+    
+    public class ApplicationUser : IdentityUser
+    {
+        /// <summary>
+        /// Another me, as a byte array.
+        /// This value points a picture that may be used
+        /// to present the user
+        /// </summary>
+        /// <returns>the path to an user's image, relative to it's user dir<summary>
+        /// <see>Startup.UserFilesOptions</see>
+        /// </summary>
+        /// <returns></returns>
+        [MaxLength(512)]
+        public string Avatar { get; set; }
+
+        [MaxLength(512)]
+        public string FullName { get; set; }
+
+
+        /// <summary>
+        /// WIP Paypal
+        /// </summary>
+        /// <returns></returns>
+        [Display(Name="Account balance")]
+        public virtual AccountBalance AccountBalance { get; set; }
+
+        /// <summary>
+        /// User's posts
+        /// </summary>
+        /// <returns></returns>
+        [InverseProperty("Author"),JsonIgnore]
+        public virtual List<Blog.BlogPost> Posts { get; set; }
+
+        /// <summary>
+        /// User's contact list
+        /// </summary>
+        /// <returns></returns>
+        [InverseProperty("Owner"),JsonIgnore]
+        public virtual List<Contact> Book { get; set; }
+
+        /// <summary>
+        /// External devices using the API
+        /// </summary>
+        /// <returns></returns>
+        [InverseProperty("DeviceOwner"),JsonIgnore]
+        public virtual List<GoogleCloudMobileDeclaration> Devices { get; set; }
+
+        [InverseProperty("Owner"),JsonIgnore]
+        public virtual List<ChatConnection> Connections { get; set; }
+
+
+        /// <summary>
+        /// User's circles
+        /// </summary>
+        /// <returns></returns>
+        [InverseProperty("Owner"),JsonIgnore]
+
+        public virtual List<Circle> Circles { get; set; }
+
+        /// <summary>
+        /// Billing postal address
+        /// </summary>
+        /// <returns></returns>
+        [ForeignKeyAttribute("PostalAddressId")]
+        public virtual Location PostalAddress { get; set; }
+        public long? PostalAddressId { get; set; }
+
+        /// <summary>
+        /// User's Google calendar
+        /// </summary>
+        /// <returns></returns>
+        [MaxLength(512)]
+        public string DedicatedGoogleCalendar { get; set; }
+
+        public override string ToString() {
+            return this.Id+" "+this.AccountBalance?.Credits.ToString()+this.Email+" "+this.UserName+" $"+this.AccountBalance?.Credits.ToString();
+        }
+
+        public BankIdentity BankInfo { get; set; }
+
+        public long DiskQuota { get; set; } = 512*1024*1024;
+        public long DiskUsage { get; set; } = 0;
+
+        public long MaxFileSize { get; set; } = 512*1024*1024;
+
+        [JsonIgnore][InverseProperty("Owner")]
+        public virtual List<BlackListed> BlackList { get; set; }
+
+        public bool AllowMonthlyEmail { get; set; } = false;
+    }
+}

Yavsc.Server/Models/Identity/BlackListedUserName.cs

@@ -0,0 +1,15 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using Newtonsoft.Json;
+
+namespace Yavsc.Models.Identity
+{
+    public class BlackListedUserName : IWatchedUserName {
+
+        [Key]
+        [StringLength(1024)]
+        public string Name { get; set;}
+
+    }
+}

Yavsc.Server/Models/Identity/GoogleCloudMobileDeclaration.cs

@@ -0,0 +1,46 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using Newtonsoft.Json;
+
+namespace Yavsc.Models.Identity
+{
+  using Yavsc;
+
+  [JsonObject]
+
+  public class GoogleCloudMobileDeclaration {
+
+    [Required]
+    public string GCMRegistrationId { get; set; }
+
+    [Key,Required]
+    public string DeviceId { get; set; }
+
+    public string Model { get; set; }
+    public string Platform { get; set; }
+    public string Version { get; set; }
+    public string DeviceOwnerId { get; set; }
+    public DateTime DeclarationDate { get; set; }
+
+    /// <summary>
+    /// Latest Activity Update
+    /// 
+    /// Let's says, 
+    /// the latest time this device downloaded functional info from server 
+    /// activity list, let's say, promoted ones, those thar are at index, and
+    /// all others, that are not listed as unsupported ones (not any more, after 
+    /// has been annonced as obsolete a decent laps of time).
+    /// 
+    /// In order to say, is any activity has changed here.
+    /// </summary>
+    /// <returns></returns>
+    public DateTime LatestActivityUpdate { get; set; }
+
+    [JsonIgnore,ForeignKey("DeviceOwnerId")]
+    public virtual ApplicationUser DeviceOwner { get; set; }
+
+
+  }
+
+}

Yavsc.Server/Models/Identity/IWatchedUserName.cs

@@ -0,0 +1,12 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using Newtonsoft.Json;
+using Yavsc.Interfaces;
+
+namespace Yavsc.Models.Identity
+{
+    public interface IWatchedUserName : INamedObject {
+
+    }
+}

Yavsc.Server/Models/Identity/ReservedUserName.cs

@@ -0,0 +1,15 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using Newtonsoft.Json;
+
+namespace Yavsc.Models.Identity
+{
+    public class ReservedUserName : IWatchedUserName {
+
+        [Key]
+        [StringLength(1024)]
+        public string Name { get; set;}
+
+    }
+}