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package SL::Helper::EmailProcessing;
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use strict;
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use warnings;
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use Carp;
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use XML::LibXML;
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use SL::ZUGFeRD;
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use SL::DB::PurchaseInvoice;
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sub process_attachments {
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my ($self, $function_name, $email_journal, %params) = @_;
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unless ($self->can("process_attachments_$function_name")) {
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croak "Function not implemented for: $function_name";
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}
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$function_name = "process_attachments_$function_name";
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my $processed_count = 0;
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foreach my $attachment (@{$email_journal->attachments_sorted}) {
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my $processed = $self->$function_name($email_journal, $attachment, %params);
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$processed_count += $processed;
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}
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return $processed_count;
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}
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sub can_function {
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my ($self, $function_name) = @_;
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$self->can("process_attachments_$function_name")
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}
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sub process_attachments_zugferd {
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my ($self, $email_journal, $attachment, %params) = @_;
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my $content = $attachment->content; # scalar ref
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my $name = $attachment->name;
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return 0 unless $content =~ m/^%PDF|<\?xml/;
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my %res;
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if ( $content =~ m/^%PDF/ ) {
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%res = %{SL::ZUGFeRD->extract_from_pdf($content)};
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} else {
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%res = %{SL::ZUGFeRD->extract_from_xml($content)};
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}
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unless ($res{'result'} == SL::ZUGFeRD::RES_OK()) {
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my $error = $res{'message'};
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$email_journal->extended_status(
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join "\n", $email_journal->extended_status,
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"Error processing ZUGFeRD attachment $name: $error"
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)->save;
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return 0;
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}
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my $purchase_invoice;
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eval {
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$purchase_invoice = SL::DB::PurchaseInvoice->create_from_zugferd_data(\%res)->save();
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1;
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} or do {
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my $error = $@;
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$email_journal->update_attributes(
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extended_status =>
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join "\n", $email_journal->extended_status,
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"Error processing ZUGFeRD attachment $name: $error"
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);
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return 0;
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};
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$self->_add_attachment_to_record($email_journal, $attachment, $purchase_invoice);
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return 1;
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}
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sub _add_attachment_to_record {
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my ($self, $email_journal, $attachment, $record) = @_;
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$attachment->add_file_to_record($record);
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$email_journal->link_to_record($record);
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}
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1;
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=encoding utf8
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=head1 NAME
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SL::Helper::EmailProcessing - Helper functions for processing email attachments
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=head1 SYNOPSIS
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This module provides helper functions for processing email attachments.
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=head1 METHODS
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=head2 process_attachments($function_name, $email_journal, %params)
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Processes the attachments of an email journal. The function to be used for processing is determined by the first argument.
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=head2 process_attachments_zugpferd($function_name, $email_journal, %params)
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Processes the attachments of an email journal. If it is a Zugpferd Invoiue it creates the PurchaseInvoice and links it to the email_journal.
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=head1 AUTHOR
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Tamino Steinert E<lt>tamino.steinert@tamino.stE<gt>
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=cut
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