[Seaside] Pharo 2.0 scriptaculous does not work

[Sven Van Caekenberghe]

Sabine,

On 07 Jun 2013, at 10:44, Sabine Knöfel <sabine.knoefel at gmail.com> wrote:

> Another Point: I use this to get exchange rates from openexchangerates:
> 
> (ZnClient new
> 		systemPolicy;
> 		http;
> 		host: 'openexchangerates.org'
> 		)
> 			path: 'api/latest.json?app_id=2ddac6f47cf74936a920beb22ac55704'  ;
> 			get
> 
> in 1.4 -> this works fine: {
>  "disclaimer": "E..../",
>  "license": "Data source....se/",
>  "timestamp": 1370592069,
>  "base": "USD",
>  "rates": {
>    "AED": 3.672719,
>    "AFN": 54.766067,
>    "ALL": 106.609251,
>    "AMD": 418.215,
>  ...
> 
> in 2.0 -> the result is a byte array. #[123 10 32 32 34 100 105 115 99
> 108 97 105
> 
> Do I have to change something here?
> Sabine

That is indeed a bug. Here is the fix (not yet in any config):

===
Name: Zinc-Resource-Meta-Core-SvenVanCaekenberghe.15
Author: SvenVanCaekenberghe
Time: 7 June 2013, 11:18:29.493 am
UUID: b1059f61-d7a1-44b0-bb0a-f558fbbec3c8
Ancestors: Zinc-Resource-Meta-Core-SvenVanCaekenberghe.14

Fixed a bug in ZnMimeType>>#isBinary (thx Sabine K for reporting this)
==

I would write your example as follows:

ZnClient new
	systemPolicy;
	http;
	host: 'openexchangerates.org';
	path: 'api/latest.json';
	queryAt: 'app_id' put: '2ddac6f47cf74936a920beb22ac55704';
	accept: ZnMimeType applicationJson;
	contentReader: [ :entity | NeoJSONReader fromString: entity contents ];
	get.

It integrates the JSON parsing step so you get a nice dictionary back. The systemPolicy with the accept makes sure you only do the parsing when application/json comes back. You can also add an #ifFail: block for general error handling should the request fail.

Sven