#217 Adding Crosspost _list (#225)

* Adding Crosspost _list

can still add
is_crosspostable
crosspost_parent
num_crossposts

* adding more crosspost properties

Author: czf

RedditSharp/RedditSharp.csproj

@@ -14,6 +14,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="1.1.2" />
     <PackageReference Include="Newtonsoft.Json" Version="10.0.3" />
+    <PackageReference Include="System.Collections.Immutable" Version="1.7.0" />
     <PackageReference Include="System.Net.Http" Version="4.3.3" />
     <PackageReference Include="System.Net.Security" Version="4.3.2" />
     <PackageReference Include="System.Reflection.TypeExtensions" Version="4.4.0" />

RedditSharp/Things/Post.cs

@@ -7,6 +7,7 @@
 using System.Reactive.Linq;
 using System.Threading.Tasks;
 using System.Text.RegularExpressions;
+using System.Collections.Immutable;
 
 namespace RedditSharp.Things
 {
@@ -54,6 +55,30 @@ public Post(IWebAgent agent, JToken json) : base(agent, json)
         [JsonProperty("is_self")]
         public bool IsSelfPost { get; private set; }
 
+        public IReadOnlyList<Post> CrossPostParents 
+        { 
+            get 
+            {
+                if(_crossPostParents == null)
+                {
+                    var builder = ImmutableList.CreateBuilder<Post>();
+                    if (RawJson["crosspost_parent_list"] != null)
+                    {
+                        foreach (JToken token in RawJson["crosspost_parent_list"])
+                        {
+                            Post post = new Post(WebAgent, token);
+                            builder.Add(post);
+                        }
+                    }
+                    _crossPostParents = builder.ToImmutable();
+                }
+                return _crossPostParents;
+            }
+            
+        }
+
+        private ImmutableList<Post> _crossPostParents;
+
         /// <summary>
         /// Css class of the link flair.
         /// </summary>
@@ -128,6 +153,15 @@ public Post(IWebAgent agent, JToken json) : base(agent, json)
         [JsonConverter(typeof(UrlParser))]
         public Uri Url { get; private set; }
 
+        [JsonProperty("is_crosspostable")]
+        public bool IsCrossPostable { get; private set; }
+
+        [JsonProperty("num_crossposts")]
+        public int NumberOfCrossposts { get; private set; }
+
+        [JsonProperty("crosspost_parent")]
+        public string CrosspostParent { get; private set; }
+
         /// <summary>
         /// Returns the parent <see cref="Subreddit"/> for this post
         /// </summary>

RedditSharpTests/Things/PostTests.cs

@@ -75,7 +75,19 @@ public async Task EnumerateAllComments()
             Assert.Equal(25, commentsList.Count);
 
         }
+        [Fact]
+        public async Task CrosspostParentList()
+        {
+            RedditSharp.WebAgent agent = new RedditSharp.WebAgent(authFixture.AccessToken);
+            RedditSharp.Reddit reddit = new RedditSharp.Reddit(agent);
+            var post = (Post)await reddit.GetThingByFullnameAsync("t3_f1e0jg");
+
+
+            Assert.NotNull(post.CrossPostParents);
+            Assert.True(post.CrossPostParents.Count > 0);
+            Assert.True(post.CrossPostParents[0].CrossPostParents.Count == 0);
+
+        }
 
- 
     }
 }