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package SL::Webdav;
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use strict;
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use parent qw(Rose::Object);
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use Encode qw(decode);
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use File::Spec;
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use SL::Common;
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use SL::Webdav::File;
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use SL::Webdav::Object;
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use SL::Webdav::VersionScheme::Serial;
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use SL::Webdav::VersionScheme::Timestamp;
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use Rose::Object::MakeMethods::Generic (
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scalar => [ qw(type number) ],
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'scalar --get_set_init' => [ qw(version_scheme) ],
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);
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my %type_to_path = (
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sales_quotation => 'angebote',
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sales_order => 'bestellungen',
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request_quotation => 'anfragen',
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purchase_order => 'lieferantenbestellungen',
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sales_delivery_order => 'verkaufslieferscheine',
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purchase_delivery_order => 'einkaufslieferscheine',
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credit_note => 'gutschriften',
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invoice => 'rechnungen',
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purchase_invoice => 'einkaufsrechnungen',
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part => 'waren',
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service => 'dienstleistungen',
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assembly => 'erzeugnisse',
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);
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sub get_all_files {
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my ($self) = @_;
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my @objects = $self->get_all_objects;
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my %files_by_name;
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for my $obj (@objects) {
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my $filename = join '.', grep $_, $obj->basename, $obj->extension;
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my $file = $files_by_name{$filename} ||= SL::Webdav::File->new(filename => $filename, webdav => $self, loaded => 1);
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$file->add_objects($obj);
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}
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return values %files_by_name;
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}
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sub get_all_objects {
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my ($self) = @_;
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my $path = $self->webdav_path;
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my @objects;
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my $base_path = $ENV{'SCRIPT_NAME'};
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$base_path =~ s|[^/]+$||;
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if (opendir my $dir, $path) {
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foreach my $file (sort { lc $a cmp lc $b } map { decode("UTF-8", $_) } readdir $dir) {
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next if (($file eq '.') || ($file eq '..'));
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my $fname = $file;
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$fname =~ s|.*/||;
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push @objects, SL::Webdav::Object->new(filename => $fname, webdav => $self);
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}
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closedir $dir;
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return @objects;
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}
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}
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sub get_all_latest {
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my ($self) = @_;
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my @files = $self->get_all_files;
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map { ($_->versions)[-1] } @files;
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}
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sub _sanitized_number {
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my $number = $_[0]->number;
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$number =~ s|[/\\]|_|g;
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$number;
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}
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sub webdav_path {
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my ($self) = @_;
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die "No client set in \$::auth" unless $::auth->client;
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die "Need number" unless $self->number;
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my $type = $type_to_path{$self->type};
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die "Unknown type" unless $type;
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my $path = File::Spec->catdir("webdav", $::auth->client->{id}, $type, $self->_sanitized_number);
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if (!-d $path) {
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Common::mkdir_with_parents($path);
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}
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return $path;
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}
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sub init_version_scheme {
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SL::Webdav::VersionScheme::Timestamp->new;
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}
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1;
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__END__
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=encoding utf-8
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=head1 NAME
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SL::Webdav - Webdav manipulation
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=head1 SYNOPSIS
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# get list of all documents for this record
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use SL::Webdav;
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my $webdav = SL::Webdav->new(
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type => 'part',
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number => $number,
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);
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# gives you SL::Webdav::File instances
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my $webdav_files = $webdav->get_all_files;
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# gives you the objects instead
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my $webdav_objects = $webdav->get_all_objects;
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# gives you only the latest objects
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my $webdav_objects = $webdav->get_all_latest;
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# physical path to this dir
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my $path = $webdav->webdav_path;
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=head1 DESCRIPTION
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This module is a wrapper around the webdav storage mechanism with some simple
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document management functionality.
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This is not a replacement for real document management, mostly because the
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underlying webdav storage ist not fully under our control. It's common practice
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to allow people direct samba access to the webdav, so all versioning
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information need to be encoded into the filename of a file, and nonsensical
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filenames must not break assumptions.
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This module is intended to be used if you need to scan the folder for
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previously saved files and need to build a list to display for it.
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If you need to manipulate the versions of a file, see L<SL::Webdav::File>
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If you need to access a file directly for download or metadata, see L<SL::Webdav::Object>
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=head1 FUNCTIONS
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=over 4
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=item C<get_all_objects>
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Returns all L<SL::Webdav::Objects> found.
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=item C<get_all_files>
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Returns all objects sorted into L<SL::Webdav::File>s.
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=item C<get_all_latest>
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Returns only the latest object of each L<SL::Webdav::File> found.
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=item C<webdav_path>
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Returns the physical path to this webdav object.
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=back
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=head1 VERSIONING SCHEME
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You may register a versioning scheme object to hangdle versioning. It is
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expected to implement the following methods:
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=over 4
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=item C<separator>
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Must return a string that will be used to separate basename and version part of
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filenames in generating and parsing.
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=item C<extract_regexp>
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Must return a regexp that will match a versioning string at the end of a
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filename after the extension has been stripped off. It will be surrounded by
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captures.
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=item C<cmp>
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Must return a comparison function that will be invoked with two
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L<SL::Webdav::Object> instances.
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=item C<first_version>
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Must return a string representing the version of the first of a series of objects.
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May return undef.
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=item C<next_version>
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Will be called with the latest L<SL::Webdav::Object> and must return a new version string.
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=item C<keep_last_version>
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Will be called with the latest L<SL::Webdav::Object>. Truish return value will
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cause the latest object to be overwritten instead of creating a new version.
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=back
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=head1 BUGS AND CAVEATS
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=over 4
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=item *
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File operations are inconsistently L<File::Spec>ed.
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=back
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=head1 SEE ALSO
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L<SL::Webdav::File>, L<SL::Webdav::Object>
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=head1 AUTHOR
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Sven Schöling E<lt>s.schoeling@linet-services.deE<gt>
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=cut
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