Close #5 - List resource items

Api/Classes/Resource.swift

@@ -27,30 +27,6 @@ public class Resource {
 		self.api  = api
 		self.path = path
 	}
-	
-	// MARK: UTILS
-	private func handleItemResult<T: JSONSerializable>( response: Response<AnyObject, NSError>,
-	                              handler: ( T?, error: ApiError? ) -> Void )
-	{
-		switch(response.result) {
-		case .Success(let JSON):
-			handler( T( fromJSON: JSON as! [String : AnyObject] ), error: nil )
-		case .Failure(let error):
-			handler( nil, error: handleError( response ) )
-		}
-	}
-	
-	private func handleError( response: Response<AnyObject, NSError> ) -> ApiError {
-		let error = response.result.error!
-		
-		if let statusCode = response.response?.statusCode where !(200...299).contains( statusCode ) {
-			return .Network( error: error, response: response.response! )
-		} else if error.code == -6006 {
-			return .JSONSerialization( error: error )
-		}
-		
-		return .Unknown( error: error )
-	}
 }
 
 // MARK: REQUESTS
@@ -103,6 +79,14 @@ extension Resource {
 		}
 	}
 	
+	public func list<T: JSONSerializable>( parameters: [ String: String ]? = nil,
+	                 headers: [ String: String]? = nil, completion: ( ( [ T ]?, error: ApiError? ) -> Void ) )
+	{
+		get( parameters: parameters, headers: headers ) { response in
+			self.handleListResult( response, handler: completion )
+		}
+	}
+	
 	public func create<T: JSONSerializable>( item: T, parameters: [ String: String ]? = nil,
 	                   headers: [ String: String]? = nil, encoding: ParameterEncoding = .JSON,
 	                   completion: ( ( T?, error: ApiError? ) -> Void ) )
@@ -114,6 +98,44 @@ extension Resource {
 			self.handleItemResult( response, handler: completion )
 		}
 	}
+	
+	// MARK: UTILS
+	private func handleItemResult<T: JSONSerializable>( response: Response<AnyObject, NSError>,
+	                              handler: ( T?, error: ApiError? ) -> Void )
+	{
+		switch(response.result) {
+		case .Success(let JSON):
+			handler( T( fromJSON: JSON as! [String : AnyObject] ), error: nil )
+		case .Failure(let error):
+			handler( nil, error: handleError( response ) )
+		}
+	}
+	
+	private func handleListResult<T: JSONSerializable>( response: Response<AnyObject, NSError>,
+	                              handler: ( [ T ]?, error: ApiError? ) -> Void )
+	{
+		switch(response.result) {
+		case .Success(let JSON):
+			if let JSONList = JSON as? [ [String: AnyObject] ] {
+				let list = JSONList.map { T( fromJSON: $0 ) }
+				handler( list, error: nil )
+			}
+		case .Failure(let error):
+			handler( nil, error: handleError( response ) )
+		}
+	}
+	
+	private func handleError( response: Response<AnyObject, NSError> ) -> ApiError {
+		let error = response.result.error!
+		
+		if let statusCode = response.response?.statusCode where !(200...299).contains( statusCode ) {
+			return .Network( error: error, response: response.response! )
+		} else if error.code == -6006 {
+			return .JSONSerialization( error: error )
+		}
+		
+		return .Unknown( error: error )
+	}
 }
 
 // MARK: NESTED RESOURCES

Example/Tests/ResourceTests.swift

@@ -22,6 +22,7 @@ class ResourceTests: QuickSpec {
 		stub( matchApiPath( "items/1", method: .DELETE ), builder: http( 200 ) )
 		stub( matchApiPath( "items/1", method: .PUT ), builder: http( 200 ) )
 		stub( matchApiPath( "failedItems", method: .POST ), builder: http( 422 ) )
+		stub( matchApiPath( "items" ), builder: json( [ [ "id": 1, "name": "Item 1" ], [ "id": 2, "name": "Item 2" ] ] ) )
 	}
 	
 	override func spec() {
@@ -72,6 +73,23 @@ class ResourceTests: QuickSpec {
 					}
 				}
 				
+				describe( "list" ) {
+					context( "when the request is successful" ) {
+						it( "should call the correct endpoint and return the item" ) {
+							waitUntil { done in
+								resource.list() { ( items: [ Item ]?, error: ApiError? ) in
+									expect( items?[0].id )   == 1
+									expect( items?[0].name ) == "Item 1"
+									expect( items?[1].id )   == 2
+									expect( items?[1].name ) == "Item 2"
+									
+									done()
+								}
+							}
+						}
+					}
+				}
+				
 				describe( "create" ) {
 					context( "when the request is successful" ) {
 						let itemToCreate = Item( id: 0, name: "Item 2" )