[dancer-users] Trouble in uploading file

[Stefan Hornburg (Racke)]

On 07/30/2013 06:27 PM, Fotis E. Psomopoulos wrote:
> Dear all,
> 
> I am quite new to Dancer but I am really amazed on how few lines of code I have to write for the same functionality (still exploring though).
> 
> However, I have hit the following issue: I am trying to upload a file using the following code:
> 
> put '/upload/:file' =>  sub {
>     my $upload_dir = "MyApp/UPLOADS";
>     my $filename = params->{file};
>     my $uploadedFile = request->upload($filename);
> 
>     debug "My Log 1: " . params->{file};
>     debug "My Log 2: " . ref($uploadedFile);
> 
>     open ( UPLOADFILE, "$upload_dir/$filename" ) or die "$!";
> 
>     while ( <UPLOADFILE> )
>     {
>         print UPLOADFILE;
>     }
> 
>     close UPLOADFILE;
> 
>     return "DONE";
> };
> 
> The PUT command is done via cURL as follows:
> 
> curl --upload-file test http://localhost:3000/upload/test
> DONE
> 
> The output that I see in the "development dance floor" is the following:
> 
> [9072]  core @0.000341> request: PUT /upload/test from 127.0.0.1 in /Perl/site/lib/Dancer/Handler.pm l. 56
> [9072]  core @0.002434> [hit #1]Trying to match 'PUT /upload/test' against /^\/upload\/([^\/]+)$/ (generated from '/upload/:file') in /Perl/site/lib/Dancer/Route.pm l. 84
> [9072]  core @0.004173> [hit #1]  --> got 1 in /Perl/site/lib/Dancer/Route.pm l. 102
> [9072]  core @0.006625> [hit #1]  --> named tokens are: file in /Perl/site/lib/Dancer/Route.pm l. 130
> [9072] debug @0.009443> [hit #1]My Log 1: test in MyApp\lib/MyApp.pm l. 20
> [9072] debug @0.010818> [hit #1]*My Log 2:  in MyApp\lib/MyApp.pm l. 21*
> [9072]  core @0.015854> [hit #1]response: 200 in /Perl/site/lib/Dancer/Handler.pm l. 179
> 
> The problem is that the file is created with the correct name in the correct folder (MyApp/UPLOADS/test) but it is always empty (0 size). No other warnings or errors, but I do see an issue in the output (marked in bold - 2nd custom debug line). Any ideas?
> 

Why don't you use the functions of the upload object to store the uploaded file?

Also you open the file for reading, not for writing.

Regards
	Racke

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