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package FixMyStreet::App::Controller::Photo;
use Moose;
use namespace::autoclean;
BEGIN {extends 'Catalyst::Controller'; }
use DateTime::Format::HTTP;
use Digest::SHA qw(sha1_hex);
use File::Path;
use File::Slurp;
use Path::Class;
use FixMyStreet::App::Model::PhotoSet;
use if !$ENV{TRAVIS}, 'Image::Magick';
=head1 NAME
FixMyStreet::App::Controller::Photo - Catalyst Controller
=head1 DESCRIPTION
Catalyst Controller.
=head1 METHODS
=cut
=head2 index
Display a photo
=cut
sub during :LocalRegex('^([0-9a-f]{40})\.(temp|fulltemp)\.jpeg$') {
my ( $self, $c ) = @_;
my ( $hash, $size ) = @{ $c->req->captures };
my $file = file( $c->config->{UPLOAD_DIR}, "$hash.jpeg" );
my $photo = $file->slurp;
if ( $size eq 'temp' ) {
if ( $c->cobrand->default_photo_resize ) {
$photo = _shrink( $photo, $c->cobrand->default_photo_resize );
} else {
$photo = _shrink( $photo, '250x250' );
}
}
$c->forward( 'output', [ $photo ] );
}
sub index :LocalRegex('^(c/)?(\d+)(?:\.(\d+))?(?:\.(full|tn|fp))?\.jpeg$') {
my ( $self, $c ) = @_;
my ( $is_update, $id, $photo_number, $size ) = @{ $c->req->captures };
my $item;
if ( $is_update ) {
($item) = $c->model('DB::Comment')->search( {
id => $id,
state => 'confirmed',
photo => { '!=', undef },
} );
} else {
# GoogleBot-Image is doing this for some reason?
if ( $id =~ m{ ^(\d+) \D .* $ }x ) {
return $c->res->redirect( $c->uri_with( { id => $1 } ), 301 );
}
$c->detach( 'no_photo' ) if $id =~ /\D/;
($item) = $c->cobrand->problems->search( {
id => $id,
state => [ FixMyStreet::DB::Result::Problem->visible_states(), 'partial' ],
photo => { '!=', undef },
} );
}
$c->detach( 'no_photo' ) unless $item;
$c->detach( 'no_photo' ) unless $c->cobrand->allow_photo_display($item); # Should only be for reports, not updates
my $photo = $item->get_photoset( $c )
->get_image_data( num => $photo_number, size => $size )
or $c->detach( 'no_photo' );
$c->forward( 'output', [ $photo ] );
}
sub output : Private {
my ( $self, $c, $photo ) = @_;
# Save to file
File::Path::make_path( FixMyStreet->path_to( 'web', 'photo', 'c' )->stringify );
File::Slurp::write_file( FixMyStreet->path_to( 'web', $c->req->path )->stringify, \$photo );
$c->res->content_type( 'image/jpeg' );
$c->res->body( $photo );
}
sub no_photo : Private {
my ( $self, $c ) = @_;
$c->detach( '/page_error_404_not_found', [ 'No photo' ] );
}
# Shrinks a picture to the specified size, but keeping in proportion.
sub _shrink {
my ($photo, $size) = @_;
my $image = Image::Magick->new;
$image->BlobToImage($photo);
my $err = $image->Scale(geometry => "$size>");
throw Error::Simple("resize failed: $err") if "$err";
$image->Strip();
my @blobs = $image->ImageToBlob();
undef $image;
return $blobs[0];
}
# Shrinks a picture to 90x60, cropping so that it is exactly that.
sub _crop {
my ($photo) = @_;
my $image = Image::Magick->new;
$image->BlobToImage($photo);
my $err = $image->Resize( geometry => "90x60^" );
throw Error::Simple("resize failed: $err") if "$err";
$err = $image->Extent( geometry => '90x60', gravity => 'Center' );
throw Error::Simple("resize failed: $err") if "$err";
$image->Strip();
my @blobs = $image->ImageToBlob();
undef $image;
return $blobs[0];
}
=head2 process_photo
Handle the photo - either checking and storing it after an upload or retrieving
it from the cache.
Store any error message onto 'photo_error' in stash.
=cut
sub process_photo : Private {
my ( $self, $c ) = @_;
return
$c->forward('process_photo_upload_or_cache')
|| 1; # always return true
}
sub process_photo_upload_or_cache : Private {
my ( $self, $c ) = @_;
my @items = (
( map {
/^photo/ ? # photo, photo1, photo2 etc.
($c->req->upload($_)) : ()
} sort $c->req->upload),
split /,/, ($c->req->param('upload_fileid') || '')
);
my $photoset = FixMyStreet::App::Model::PhotoSet->new({
c => $c,
data_items => \@items,
});
my $fileid = $photoset->data;
$c->stash->{upload_fileid} = $fileid or return;
return 1;
}
=head1 AUTHOR
Struan Donald
=head1 LICENSE
This library is free software. You can redistribute it and/or modify
it under the same terms as Perl itself.
=cut
__PACKAGE__->meta->make_immutable;
1;
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