Add description to Item for search results

lib/src/model/item.dart

@@ -83,6 +83,9 @@ class Item {
   /// Full list of genres for the podcast.
   final List<Genre>? genre;
 
+  // Channel level description.
+  final String? description;
+
   Item({
     this.artistId,
     this.collectionId,
@@ -110,6 +113,7 @@ class Item {
     this.primaryGenreName,
     this.contentAdvisoryRating,
     this.genre,
+    this.description,
   });
 
   /// Takes our json map and builds a Podcast instance from it.
@@ -179,6 +183,7 @@ class Item {
       artworkUrl: json['image'] as String?,
       genre: genres,
       releaseDate: DateTime.fromMillisecondsSinceEpoch(pubDate.inMilliseconds),
+      description: json['description'] as String?,
     );
   }
 

test/podcast_search_test.dart

@@ -10,8 +10,9 @@ void main() {
 
     setUp(() {
       search = Search(
-        searchProvider:
-            PodcastIndexProvider(key: 'XXWQEGULBJABVHZUM8NF', secret: 'KZ2uy4upvq4t3e\$m\$3r2TeFS2fEpFTAaF92xcNdX'),
+        searchProvider: PodcastIndexProvider(
+            key: 'XXWQEGULBJABVHZUM8NF',
+            secret: 'KZ2uy4upvq4t3e\$m\$3r2TeFS2fEpFTAaF92xcNdX'),
       );
     });
 
@@ -21,6 +22,20 @@ void main() {
       expect(result.resultCount > 0, true);
     });
 
+    test('Podcast description', () async {
+      final result = await search.search('The Rest Is History');
+
+      final item = result.items.firstWhere(
+          (element) =>
+              element.trackName
+                  ?.toLowerCase()
+                  .contains('the rest is history') ??
+              false,
+          orElse: null);
+      expect(item, isNotNull);
+      expect(item.description, isNotNull);
+    });
+
     test('Max one result test', () async {
       final result = await search.search('Forest 404');