Handles SonyCiApi errors

Updates sony_ci_api gem with refactored error handling.

Gemfile.lock

@@ -1,6 +1,6 @@
 GIT
   remote: https://github.com/WGBH-MLA/sony_ci_api_rewrite.git
-  revision: 9a668ab0649aa6bb03aa259de0cf1687e52e86fb
+  revision: 4db6435e97b1b3abef0cbceae38820d450935c12
   branch: v0.1
   specs:
     sony_ci_api (0.1.0)

app/controllers/sony_ci/api_controller.rb

@@ -2,7 +2,8 @@
 
 module SonyCi
   class APIController < ::APIController
-    rescue_from StandardError, with: :default_error
+    rescue_from StandardError, with: :handle_default_error
+    rescue_from SonyCiApi::Error, with: :handle_sony_ci_api_error
 
     def find_media
       result = sony_ci_api.workspace_search(
@@ -38,11 +39,13 @@ def permitted_params
         end
 
         # Default error handler. Respond with JSON error and 500
-        def default_error(e)
-          # If the error is a SonyCiApi::Error, it should have an http_status,
-          # if so, use it. Else default to 500.
-          status = e.respond_to?(:http_status) ? e.http_status : 500
-          render json: { error: e.class.to_s, error_message: e.message }, status: status
+        def default_error(error)
+          render json: { error: error.class.to_s, error_message: error.message }, status: status
+        end
+
+        # Error handler for SonyCiApi::Error and subclasses thereof.
+        def handle_sony_ci_api_error(error)
+          render json: error.to_h, status: error.http_status
         end
   end
 end