handle creating candidate that already exists

lib/workable/client.rb

@@ -120,21 +120,36 @@ def do_request(url, type, &block)
     # parse the api response
     def parse!(response)
       case response.code.to_i
-      when 204, 205
+      when 204, 205  # handled no response
         nil
-      when 200...300
+      when 200...300 # handled with response
         JSON.parse(response.body)
       when 401
-        raise Errors::NotAuthorized, response.body
+        raise Errors::NotAuthorized, JSON.parse(response.body)["error"]
       when 404
-        raise Errors::NotFound, response.body
+        raise Errors::NotFound, JSON.parse(response.body)["error"]
+      when 422
+        handle_response_422(response)
       when 503
         raise Errors::RequestToLong, response.body
       else
         raise Errors::InvalidResponse, "Response code: #{response.code} message: #{response.body}"
       end
     end
 
+    def handle_response_422(response)
+      data = JSON.parse(response.body)
+      if
+        data["validation_errors"] &&
+        data["validation_errors"]["email"] &&
+        data["validation_errors"]["email"].include?("candidate already exists")
+      then
+        raise Errors::AlreadyExists, data["error"]
+      else
+        raise Errors::NotFound, data["error"]
+      end
+    end
+
     # default headers for authentication and JSON support
     def headers
       {

lib/workable/errors.rb

@@ -5,6 +5,7 @@ class InvalidConfiguration < WorkableError; end
     class NotAuthorized        < WorkableError; end
     class InvalidResponse      < WorkableError; end
     class NotFound             < WorkableError; end
+    class AlreadyExists        < WorkableError; end
     class RequestToLong        < WorkableError; end
   end
 end