Fixes ACL backend support

src/Yavsc.Server/Models/Blog/BlogPost.cs

@@ -85,7 +85,7 @@ namespace Yavsc.Models.Blog
 
         public string[] GetTags()
         {
-            return Tags.Select(t => t.Tag.Name).ToArray();
+            return Tags?.Select(t => t.Tag.Name).ToArray() ?? Array.Empty<string>();
         }
 
         [InverseProperty("Post")]
@@ -106,6 +106,7 @@ namespace Yavsc.Models.Blog
         [NotMapped]
         public bool IsPublished { get; set; }
 
+        [JsonIgnore]
         /// <summary>
         /// Explicit interface implementation of
         /// <see cref="IBlogPost.Author"/>. The underlying

src/Yavsc.Server/Models/Blog/BlogTag.cs

@@ -1,14 +1,17 @@
 using System.ComponentModel.DataAnnotations.Schema;
+using System.Text.Json.Serialization;
 using Yavsc.Models.Relationship;
 
 namespace Yavsc.Models.Blog
 {
     public partial class BlogTag
     {
+        [JsonIgnore]
         [ForeignKey("PostId")]
         public virtual BlogPost Post { get; set; }
         public long PostId { get; set; }
 
+        [JsonIgnore]
         [ForeignKey("TagId")]
         public virtual Tag Tag{ get; set; }
         public long TagId { get; set; }

src/Yavsc.Server/Models/Blog/Comment.cs

@@ -13,15 +13,17 @@ namespace Yavsc.Models.Blog
 
         [YaStringLength(1024)]
         public string Article { get; set; }
-        
-        [ForeignKeyAttribute(nameof(ReceiverId))][JsonIgnore]
+
+        [JsonIgnore]
+        [ForeignKeyAttribute(nameof(ReceiverId))]
         public virtual BlogPost Post { get; set; }
 
         [Required]
         public long ReceiverId { get; set; }
         public bool Visible { get; set; }
 
-        [ForeignKeyAttribute("AuthorId")][JsonIgnore]
+        [ForeignKeyAttribute("AuthorId")]
+        [JsonIgnore]
         public virtual ApplicationUser Author {
             get; set;
         }