Two things:

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

Yavsc.Server/Models/Blog/BlogPost.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+using Newtonsoft.Json;
+using Yavsc.Interfaces;
+using Yavsc.Models.Access;
+using Yavsc.Models.Relationship;
+
+namespace Yavsc.Models.Blog
+{
+    public class BlogPost : IBlogPost, ICircleAuthorized, ITaggable<long>, IIdentified<long>
+    {
+        [Key(), DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+        [Display(Name="Identifiant du post")]
+        public long Id { get; set; }
+
+        [Display(Name="Contenu")][StringLength(56224)]
+        public string Content { get; set; }
+
+        [Display(Name="Photo")][StringLength(1024)]
+        public string Photo { get; set; }
+
+        [Display(Name="Indice de qualité")]
+        public int Rate { get; set; }
+
+        [Display(Name="Titre")][StringLength(1024)]
+        public string Title { get; set; }
+
+        [Display(Name="Identifiant de l'auteur")]
+        public string AuthorId { get; set; }
+
+        [Display(Name="Auteur")]
+        [ForeignKey("AuthorId"),JsonIgnore]
+        public ApplicationUser Author { set; get; }
+
+        [Display(Name="Visible")]
+        public bool Visible { get; set; }
+
+        [Display(Name="Date de création")]
+        public DateTime DateCreated
+        {
+            get; set;
+        }
+
+        [Display(Name="Créateur")]
+        public string UserCreated
+        {
+            get; set;
+        }
+
+        [Display(Name="Dernière modification")]
+        public DateTime DateModified
+        {
+            get; set;
+        }
+
+        [Display(Name="Utilisateur ayant modifé le dernier")]
+        public string UserModified
+        {
+            get; set;
+        }
+
+        [InverseProperty("Target")]
+        [Display(Name="Liste de contrôle d'accès")]
+        public virtual List<CircleAuthorizationToBlogPost> ACL { get; set; }
+
+        public bool AuthorizeCircle(long circleId)
+        {
+            return ACL?.Any( i=>i.CircleId == circleId) ?? true;
+        }
+        
+        public string GetOwnerId()
+        {
+            return AuthorId;
+        }
+
+        public ICircleAuthorization[] GetACL()
+        {
+            return ACL.ToArray();
+        }
+
+        public void Tag(Tag tag)
+        {
+           var existent = Tags.SingleOrDefault(t => t.PostId == Id && t.TagId == tag.Id);
+            if (existent==null) Tags.Add(new BlogTag { PostId = Id, Tag = tag } );
+        }
+
+        public  void Detag(Tag tag)
+        {
+            var existent = Tags.SingleOrDefault(t => (( t.TagId == tag.Id) && t.PostId == Id));
+            if (existent!=null) Tags.Remove(existent);
+        }
+
+        public string[] GetTags()
+        {
+            return Tags.Select(t=>t.Tag.Name).ToArray();
+        }
+
+        [InverseProperty("Post")]
+        public virtual List<BlogTag> Tags { get; set; }
+
+        [InverseProperty("Post")]
+        public virtual List<Comment> Comments { get; set; }
+    }
+}

Yavsc.Server/Models/Blog/BlogTag.cs

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+using System.ComponentModel.DataAnnotations.Schema;
+using Yavsc.Models.Relationship;
+
+namespace Yavsc.Models.Blog
+{
+    public partial class BlogTag
+    {
+        [ForeignKey("PostId")]
+        public virtual BlogPost Post { get; set; }
+        public long PostId { get; set; }
+
+        [ForeignKey("TagId")]
+        public virtual Tag Tag{ get; set; }
+        public long TagId { get; set; }
+    }
+}

Yavsc.Server/Models/Blog/Comment.cs

@@ -0,0 +1,74 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using Newtonsoft.Json;
+using Yavsc.Attributes.Validation;
+using Yavsc.Interfaces;
+
+namespace Yavsc.Models.Blog
+{
+    public class Comment : IComment<long>, IBaseTrackedEntity
+    {
+        [Key(), DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+        public long Id { get; set; }
+
+        [YaStringLength(1024)] 
+        public string Content { get; set; }
+        
+        [ForeignKeyAttribute("PostId")][JsonIgnore]
+        public virtual BlogPost Post { get; set; }
+
+        [Required]
+        public long PostId { get; set; }
+        public bool Visible { get; set; }
+
+        [ForeignKeyAttribute("AuthorId")][JsonIgnore]
+        public virtual ApplicationUser Author {
+            get; set;
+        }
+
+        [Required]
+        public string AuthorId
+        {
+           get; set;
+        }
+
+        public string UserCreated
+        {
+           get; set;
+        }
+        public DateTime DateModified
+        {
+            get; set;
+        }
+
+        public string UserModified
+        {
+           get; set;
+        }
+
+        public DateTime DateCreated
+        {
+            get; set;
+        }
+
+        public long GetReceiverId()
+        {
+            return PostId;
+        }        
+        public void SetReceiverId(long rid)
+        {
+             PostId = rid;
+        }
+
+        public long? ParentId { get; set; }
+
+        [ForeignKeyAttribute("ParentId")]
+        public virtual Comment Parent { get; set; }
+
+        [InversePropertyAttribute("Parent")]
+
+        public virtual List<Comment> Children { get; set; }
+    }
+}