jschueler at eloquency
Apr 30, 2013, 11:59 AM
Post #7 of 7
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To clarify, I meant to say, "I only occassionally write handlers". :)
-Jim
On Tue, 30 Apr 2013, Chris Faust wrote:
> Thanks Jim, I'm going to give that a try and see if I can get it to work.
>
> -Chris
>
> -----Original Message-----
> From: Jim Schueler [mailto:jschueler [at] eloquency]
> Sent: Tuesday, April 30, 2013 2:28 PM
> To: Chris Faust
> Cc: modperl [at] perl
> Subject: RE: Download then display page
>
> Yes, that's what I have in mind. I only occassionally write headers.
> But I envision something similar to what you've got below:
>
> $redirect = ... ; ## URL to the spreadsheet
>
> $r->content_type('text/html') ;
> $r->headers_out->set( Location => $redirect ) ;
> $r->send_http_header ;
>
> $r->print( $content->output ) ;
> return Apache2::Const::REDIRECT ;
>
> Originally, I wondered about using a "multipart/mixed" response type.
> I've never heard that any browser supports such a thing. Although that
> seems like a more elegant solution.
>
> -Jim
>
> On Tue, 30 Apr 2013, Chris Faust wrote:
>
>>>> But the response should be a redirect to a URL that returns the
>> spreadsheet instead of a 200 OK. I believe that the body of the
>> original response will be displayed until the redirect succeeds.
>>
>> I'm not sure what I follow you, something like this?
>>
>> $r->content_type('text/html');
>> print $content->output;
>> $r->headers_out->set(Location => $redirect); return
>> Apache2::Const::REDIRECT;
>>
>> And the $redirect URL would then do the sending of the file itself?
>>
>> Thanks!
>>
>>
>> -----Original Message-----
>> From: Jim Schueler [mailto:jschueler [at] eloquency]
>> Sent: Tuesday, April 30, 2013 1:53 PM
>> To: Chris Faust
>> Cc: modperl [at] perl
>> Subject: Re: Download then display page
>>
>> I believe the following will work (never tried it though):
>>
>> The request should return a 'text/html' type document that displays
>> the instructions. But the response should be a redirect to a URL that
>> returns the spreadsheet instead of a 200 OK. I believe that the body
>> of the original response will be displayed until the redirect succeeds.
>>
>> In the old days, we performed this trick by using meta tag equivalents
>> of the response headers. And I expect browsers will respond to actual
>> HTTP headers the same way. I say "the old days" because for last 18
>> years, I've relied on javascript. But there may be reasons for not
>> wanting a different type solution.
>>
>> -Jim
>>
>>
>>
>>
>> On Tue, 30 Apr 2013, Chris Faust wrote:
>>
>>>
>>> Hi,
>>>
>>>
>>>
>>> I'm trying to have a form submission package up the results in a xls
>>> file and then start the download for the user as well as present a
>>> page where they can click on the file if the download has not already
>>> automatically started.
>>>
>>>
>>>
>>> I can do each separately but not both together, I have something like
>> this:
>>>
>>>
>>>
>>> ... Make up our xls file download and put it in $output
>>>
>>>
>>>
>>> $r->content_type('application/xls');
>>>
>>> $r->err_headers_out->add('Content-Disposition' => 'attachment;
> filename="'
>> .
>>> $download_name . '"');
>>>
>>> $r->print($output);
>>>
>>> $content->param('set some html template vars....');
>>>
>>> $r->content_type('text/html');
>>>
>>> print $content->output;
>>>
>>>
>>>
>>> When I due the above, then I get prompted for the download but that
>>> is it, I never get the page. Even if I reverse the order and try to
>>> do the page
>>> first:
>>>
>>>
>>>
>>> $r->content_type('text/html');
>>>
>>> print $content->output;
>>>
>>> $r->content_type('application/xls');
>>>
>>> $r->err_headers_out->add('Content-Disposition' => 'attachment;
> filename="'
>> .
>>> $download_name . '"');
>>>
>>> $r->print($output);
>>>
>>> $content->param('set some html template vars....');
>>>
>>>
>>>
>>> That still doesn't work. Probably not a mod_perl specific question
>>> but I'm hoping someone can shed some light
>>>
>>>
>>>
>>> TIA!
>>>
>>> -Chris
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>
>
>
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