On Nov 28, 2012, at 11:07 AM, Pascal Robert wrote:
>
> Le 2012-11-28 à 10:40, Roger Perryman <[email protected]> a écrit :
>
>> Hi All!
>>
>> I am still getting my feet wet with ERRest. Does anyone have an example of a
>> REST call to a custom method on an EO that is not a model property and that
>> takes parameters? All of the examples that I have found use model properties
>> and just "automagically" work. The framework extracts the parameters and
>> updates modeled properties. The only example of a non-model property was
>> derivedCurrentTime but it doesn't use any parameters.
>
> If the custom method is part of the EO class, you just need to add a ERXKey
> and add it to the keys for the response or request.
If I understand you, you are saying to add these to my custom EO class:
public static final String LIST_PRACTICES_KEY = "listPractices";
public static final ERXKey<com.xeotech.resttest.datamodel.Practice>
LIST_PRACTICES = new
ERXKey<com.xeotech.resttest.datamodel.Practice>(LIST_PRACTICES_KEY);
I still don't see how to retrieve the parameters to pass to this method. Also,
based on a comment below, I assumed this method would live in the controller,
not the EO.
>> For example, given an address (or latitude / longitude coordinates) and a
>> distance, find all Practices within the specified distance from the address.
>> I'm unclear on how to extract the parameters and use them in a custom method.
>>
>> Another example: I need to fetch all Practices that a Physician is
>> associated with. I can get the list of Practices and I can get the list of
>> Physicians. What is not clear is how to retrieve the Practices for the
>> Physician. There is a relationship defined between Physicians and Practices.
>> I'm sure it will end up requiring me to tweak my route setup.
>>
>> This is from the ERRestRouteExample.
>>
>> routeRequestHandler.addRoute(new ERXRoute(Person.ENTITY_NAME,
>> "/Person/{person:Person}", ERXRoute.Method.Get, PersonController.class,
>> "show"));
>>
>> Would I change it to
>>
>> routeRequestHandler.addRoute(new ERXRoute(Physician.ENTITY_NAME,
>> "/Physician/{physician:Physician}/{practices:Practice}",
>> ERXRoute.Method.Get, PhysicianController.class, "show"));
>>
>> It doesn't seem to work. Also, is "show" the proper choice? This is being
>> sent to a client as data for a list and not displayed directly.
>
> "show" is ok, as long as you have a "show" or "showAction" in
> PhysicianController. But for naming purposes, if you want to get a list of
> practices for a physician, I would call the method "listPractices".
So in the example above, practices is the name of a method inside my
controller, not a relationship or attribute defined in the model? I can't find
it now, but I seem to recall reading somewhere that if the framework cannot
find a method, it check other places. Would the method without the final
argument be more appropriate? And since I don't need to specify the Practice,
how do I specify no parameters?
routeRequestHandler.addRoute(new ERXRoute(Physician.ENTITY_NAME,
"/Physician/{physician:Physician}/{listPractices:null}", ERXRoute.Method.Get,
PhysicianController.class));
>> Is it OK to use addDefaultRoutes and also define additional routes? Or do I
>> need to manually add all the routes if I need to customize any?
>
> Yes it is ok.
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