Re: triggering servlet on GET parameters

You can use web-server/servlet and you don't need to use
web-server/dispatch if you don't want to. Your design seems good to
me.

On Sun, Jan 6, 2019 at 10:33 AM Stephen De Gabrielle
<[email protected]> wrote:
>
> Thank you Jay and David,
>
> Your suggestions were good, #:servlet-regexp #rx"" lets me capture the request for a page and server the original file, or the edit servlet:
> http://localhost:8000/mouse.html
> http://localhost:8000/mouse.html?action=edit
>
> I've been reading a little more and I think I've made a mistake!  I'm using 'Stateful Servlets'(require web-server/servlet), and I *think* I should be using (require web-server/dispatch), so I can  capture the situation where a static file is not found.
>
> Do you think web-server/dispatch is the right approach?
>
> My design is;
>
> GET http(s)://server/<filename in #:server-root-path>
> -> serve static file at specified path
> GET http(s)://server/<filename in #:server-root-path>?action=edit
> -> serve edit page servlet that retrieves scribble source
> GET http(s)://server/<filename not found in #:server-root-path>
> -> serve edit page adding parameters ?action=edit or maybe new
> POST http(s)://server/<filename in #:server-root-path>
> -> update scribble source file,  generate target html file in #:server-root-path and redirect to target html file at http(s)://server/<filename in #:server-root-path>
>
>
>
> On Thu, Jan 3, 2019 at 4:35 PM David Storrs <[email protected]> wrote:
>>
>> Stephen, you might also find this useful as a reference to crib from: http://matt.might.net/articles/low-level-web-in-racket/
>>
>> On Thu, Jan 3, 2019 at 11:10 AM Jay McCarthy <[email protected]> wrote:
>>>
>>> Use normal racket/base and web-server/servlet-env ‘s serve/servlet
>>>
>>> On Thu, Jan 3, 2019 at 10:53 AM David Storrs <[email protected]> wrote:
>>>>
>>>>
>>>>
>>>> On Wed, Jan 2, 2019 at 7:12 PM Jay McCarthy <[email protected]> wrote:
>>>>>
>>>>> You need to stop using `web-server/insta`
>>>>
>>>>
>>>> What would you recommend he use instead of web-server/insta?
>>>>
>>>>>
>>>>> so you can customize more.
>>>>> Then, you need to intercept ALL requests with your servlet. Then, your
>>>>> servlet just needs to call (next-dispatcher) and the static file
>>>>> handler will kick in, because it comes after servlets.
>>>>>
>>>>> Jay
>>>>>
>>>>> On Wed, Jan 2, 2019 at 7:08 PM Stephen De Gabrielle
>>>>> <[email protected]> wrote:
>>>>> >
>>>>> > Hi,
>>>>> >
>>>>> > I'm fooling around with #lang web-server/insta, and I can serve .html files by setting (static-files-path page-root), but I'd like to trigger my servlet if there is a '?action=edit' parameter set.
>>>>> >
>>>>> > e.g
>>>>> > https://localhost/start.html just serves the file (I can do this!)
>>>>> > https://localhost/start.html?action=edit  calls my servlet (I can't work out how to do this :( )
>>>>> >
>>>>> > (There is a lot of documentation but I'm a beginner with webdev so don't know where to look)
>>>>> >
>>>>> > Kind regards
>>>>> >
>>>>> > Stephen
>>>>> >
>>>>> > PS the project is a scribble based wiki. If you create a new page you enter raw scribble/manual in a form (my servlet) and it gets saved in a folder and transformed into html that is served directly by (static-files-path page-root), the conversion from raw scribble goes like this:
>>>>> > (require raco/all-tools)
>>>>> > (define raco-scribble-spec (hash-ref (all-tools) "scribble"))
>>>>> > ;;scribble-to-html : source target body
>>>>> > ;; generate html file from scribble file
>>>>> > (define (scribble-to-html source target) ;-> list of strings
>>>>> >   (parameterize ([current-command-line-arguments (vector "--html" source)]
>>>>> >                  [current-directory target])
>>>>> >     (dynamic-require (cadr raco-scribble-spec) #f)))
>>>>> >
>>>>> >
>>>>> > --
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>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> -=[     Jay McCarthy               http://jeapostrophe.github.io    ]=-
>>>>> -=[ Associate Professor        PLT @ CS @ UMass Lowell     ]=-
>>>>> -=[ Moses 1:33: And worlds without number have I created; ]=-
>>>>>
>>>>> --
>>>>> You received this message because you are subscribed to the Google Groups "Racket Users" group.
>>>>> To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/[email protected]
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>>>
>>> --
>>> -=[     Jay McCarthy               http://jeapostrophe.github.io    ]=-
>>> -=[ Associate Professor        PLT @ CS @ UMass Lowell     ]=-
>>> -=[ Moses 1:33: And worlds without number have I created; ]=-
>
> --
> ----



-- 
-=[     Jay McCarthy               http://jeapostrophe.github.io    ]=-
-=[ Associate Professor        PLT @ CS @ UMass Lowell     ]=-
-=[ Moses 1:33: And worlds without number have I created; ]=-

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