How to edit an element with Teapot

Hi

This is probably a stupid question but I dare to ask it.

I have a tiny teapot application (based on the library example) and I  
would like to let the use add an item or edit an item.
I do want to force the user to do it via the request path with a post or  
that way

        ZnClient new
          url: 'http://localhost:8080/books/1';
                 formAt: 'author' put: 'SquareBracketAssociates';
                 formAt: 'title' put: 'Pharo For The Enterprise'; put

I know how to do it in Seaside but I feel spoiled because I do not know  
how to do it in plain html to serve it with Teapot.

I noticed that in none of our chapters (Teapot, ZnApplication chapter,  
tinyblog-teapot, tinyblog-seaside) shows how to do it.


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Chapter 11 : Scripting a REST Web Service with Zinc

of the Enterprise book

I meant section 11 of the Zinc HTTP Server chapter

https://ci.inria.fr/pharo-contribution/job/EnterprisePharoBook/lastSuccessfulBuild/artifact/book-result/Zinc-HTTP-Server/Zinc-HTTP-Server.html
 

Ok I read it but I do not understand how I should do it ;(

With teapot or Zinc I want to be able to serve an html string (containing  
a form probably with a submit button) that will let the user to
pass some data and that the server can access this data and invoke a  
method.

I want to get the same behavior than textInput in seaside

My user has only one web browser.
May be this is obvious in the chapter but I do not see it.

Stef

Do want to build/use a REST API or do you want to build a simple web app ?

I thought you wanted to do the first.

The second is easy too, ZnDefaultServerDelegate>>#formTest1: #formTest2: #formTest3: are doing that (in a single handler, generating the page, using the submitted info as well.

On Sat, 17 Dec 2016 15:29:24 +0100, Sven Van Caekenberghe <[hidden email]>  
wrote:

> Do want to build/use a REST API or do you want to build a simple web app


I want to have a small web app that is basically using to teapot to listen  
and serve


> I thought you wanted to do the first.

No because teapot is doing and your section 11 is indeed that.


> The second is easy too, ZnDefaultServerDelegate>>#formTest1: #formTest2:  
> #formTest3: are doing that (in a single handler, generating the page,  
> using the submitted info as well.

Ok I will have a look

Tx sven.

Stef

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Hi sven

so I studied your code and I got a solution working. Tx for your support.
  Now I do not know if what I did is correct.

registerRoutes
        teapot
                GET: '/' -> '<h1>My game collection</h1>';
                output: #html;
                GET: '/games' -> [ :reg | (self htmlListFor: self games)];
                output: #html;
                GET:
                        '/findDetails/<title>' -> [ :req | collector findMatchingTitle: (req  
at: #title) ];
                output: #json;
                GET:
                        '/find/<title>'
                                -> [ :req |
                                        TeaResponse ok
                                                body: (self htmlListFor: (collector findMatchingTitle: (req at:  
#title))) ];
                output: #html;
                GET: '/add' -> [ :req | self edit: req ];
                GET: '/create' -> (Send message: #create: to: self)

So I used /add
to enter the parameter and pass them to the /create page.
in the /create I created the new item and I could redirect to game list (I  
imagine that this is possible).
So now I see tht I could merge add and create into a single page (as you  
did) and

edit: request
        | title page |
        title := 'Enter a title'.
        page := ZnHtmlOutputStream
                streamContents: [ :html |
                        html
                                page: 'Create game named'
                                do: [ html
                                        tag: #form
                                        attributes: #(#action 'create' 'accept-charset' 'utf-8' #method #GET)
                                        do: [ html
                                                str: 'Title';
                                                space;
                                                tag: #input
                                                attributes:
                                                {#type.
                                                #input.
                                                #name.
                                                #input.
                                                #value.
                                                title};
                                                space;
                                tag: #input attributes: #(#type #submit) ] ] ].
        ^ ZnResponse new
                statusLine: ZnStatusLine ok;
                entity: (ZnEntity html: page);
                yourself


create: aRequest
        collector addGame: (GameItem new title: (aRequest at: #input)).
        ^ ZnResponse new
                statusLine: ZnStatusLine ok;
                entity: (ZnEntity html: 'Created!');
                yourself