[banshee: 23/61] [InternetArchive] Add offline testing mode

[Gabriel Burt <gburt src gnome org>]

commit e414602d32d10b826c4e9d388a3395bb07690d53
Author: Gabriel Burt <gabriel burt gmail com>
Date:   Sat Oct 10 15:19:01 2009 -0700

    [InternetArchive] Add offline testing mode

 .../Banshee.InternetArchive/Item.cs                |   46 ++++++++------------
 .../Banshee.InternetArchive/Source.cs              |    4 +-
 .../InternetArchive/JsonExtensions.cs              |    6 +++
 .../Banshee.InternetArchive/InternetArchive/README |    4 ++
 4 files changed, 31 insertions(+), 29 deletions(-)
---
diff --git a/src/Extensions/Banshee.InternetArchive/Banshee.InternetArchive/Item.cs b/src/Extensions/Banshee.InternetArchive/Banshee.InternetArchive/Item.cs
index 7afe6e0..46374bf 100644
--- a/src/Extensions/Banshee.InternetArchive/Banshee.InternetArchive/Item.cs
+++ b/src/Extensions/Banshee.InternetArchive/Banshee.InternetArchive/Item.cs
@@ -211,37 +211,27 @@ namespace Banshee.InternetArchive
             }*/
 
 
-            /*details = new Hyena.Json.Deserializer (System.IO.File.ReadAllText ("item.json")).Deserialize () as JsonObject;
-            details.Dump ();
-            metadata = details["metadata"] as JsonObject;
-            misc = details["misc"] as JsonObject;
-            item = details["item"] as JsonObject;
-            var r = details["reviews"] as JsonObject;
-            if (r != null) {
-                reviews = r["reviews"] as JsonArray;
-                review_info = r["info"] as JsonObject;
+            // Hack to load JSON data from local file instead of from archive.org
+            if (Id == "banshee-internet-archive-offline-mode") {
+                details = new Hyena.Json.Deserializer (System.IO.File.ReadAllText ("item2.json")).Deserialize () as JsonObject;
+            } else {
+                // We don't; grab it from archive.org and parse it
+                string json_str = IA.Item.GetDetails (Id);
+
+                if (json_str != null) {
+                    details = new Hyena.Json.Deserializer (json_str).Deserialize () as JsonObject;
+                    JsonDetails = json_str;
+                }
             }
 
-            return details != null;*/
-            
-            // We don't; grab it from archive.org and parse it
-            string json_str = IA.Item.GetDetails (Id);
-
-            if (json_str != null) {
-                details = new Hyena.Json.Deserializer (json_str).Deserialize () as JsonObject;
-                metadata = details["metadata"] as JsonObject;
-                misc = details["misc"] as JsonObject;
-                item = details["item"] as JsonObject;
-                var r = details["reviews"] as JsonObject;
+            if (details != null) {
+                metadata = details.Get<JsonObject> ("metadata");
+                misc     = details.Get<JsonObject> ("misc");
+                item     = details.Get<JsonObject> ("item");
+                var r    = details.Get<JsonObject> ("reviews");
                 if (r != null) {
-                    reviews = r["reviews"] as JsonArray;
-                    review_info = r["info"] as JsonObject;
-                }
-
-                if (details != null) {
-                    JsonDetails = json_str;
-                    //Save ();
-                    return true;
+                    reviews = r.Get<JsonArray> ("reviews");
+                    review_info = r.Get<JsonObject> ("info");
                 }
             }
 
diff --git a/src/Extensions/Banshee.InternetArchive/Banshee.InternetArchive/Source.cs b/src/Extensions/Banshee.InternetArchive/Banshee.InternetArchive/Source.cs
index 35fb46b..6d3872a 100644
--- a/src/Extensions/Banshee.InternetArchive/Banshee.InternetArchive/Source.cs
+++ b/src/Extensions/Banshee.InternetArchive/Banshee.InternetArchive/Source.cs
@@ -133,7 +133,9 @@ namespace Banshee.InternetArchive
                 Properties.Set<Gtk.Widget> ("Nereid.SourceContents.HeaderWidget", header_widget);
             }
 
-            //AddChildSource (new ItemSource ("Fooz", "fooz"));
+            if (ApplicationContext.CommandLine.Contains ("internet-archive-offline-mode")) {
+                AddChildSource (new ItemSource ("Local H Live at Levis L2 Lazer Rock Stage [Summerfest 1999] on 1999-06-24", "banshee-internet-archive-offline-mode"));
+            }
         }
 
         public override void Reload ()
diff --git a/src/Extensions/Banshee.InternetArchive/InternetArchive/JsonExtensions.cs b/src/Extensions/Banshee.InternetArchive/InternetArchive/JsonExtensions.cs
index efe8822..891ab9a 100644
--- a/src/Extensions/Banshee.InternetArchive/InternetArchive/JsonExtensions.cs
+++ b/src/Extensions/Banshee.InternetArchive/InternetArchive/JsonExtensions.cs
@@ -38,6 +38,9 @@ namespace InternetArchive
     {
         public static T Get<T> (this JsonObject item, string key)
         {
+            if (item == null)
+                return default (T);
+
             object result;
             if (item.TryGetValue (key, out result)) {
                 try {
@@ -82,6 +85,9 @@ namespace InternetArchive
 
         public static string GetJoined (this JsonObject item, string key, string with)
         {
+            if (item == null)
+                return null;
+
             var ary = item.Get<System.Collections.IEnumerable> (key);
             if (ary != null) {
                 return String.Join (with, ary.Cast<object> ().Select (o => o.ToString ()).ToArray ());
diff --git a/src/Extensions/Banshee.InternetArchive/InternetArchive/README b/src/Extensions/Banshee.InternetArchive/InternetArchive/README
index 8f045da..b94ead1 100644
--- a/src/Extensions/Banshee.InternetArchive/InternetArchive/README
+++ b/src/Extensions/Banshee.InternetArchive/InternetArchive/README
@@ -1,2 +1,6 @@
 There is documentation of the Internet Archive's APIs at
 http://www.archive.org/help/
+
+Since that page mentions that JSON is the preferred format
+moving forward, this API wrapper uses the JSON APIs wherever
+possible.