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package Koha::BackgroundJob::BatchDeleteBiblio; |
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use Modern::Perl; |
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use JSON qw( encode_json decode_json ); |
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use Koha::BackgroundJobs; |
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use Koha::DateUtils qw( dt_from_string ); |
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use C4::Biblio; |
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use base 'Koha::BackgroundJob'; |
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sub job_type { |
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return 'batch_biblio_record_deletion'; |
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} |
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sub process { |
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my ( $self, $args ) = @_; |
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my $job_type = $args->{job_type}; |
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|
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my $job = Koha::BackgroundJobs->find( $args->{job_id} ); |
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if ( !exists $args->{job_id} || !$job || $job->status eq 'cancelled' ) { |
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return; |
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} |
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|
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# FIXME If the job has already been started, but started again (worker has been restart for instance) |
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# Then we will start from scratch and so double delete the same records |
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my $job_progress = 0; |
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$job->started_on(dt_from_string) |
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->progress($job_progress) |
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->status('started') |
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->store; |
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my $mmtid = $args->{mmtid}; |
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my @record_ids = @{ $args->{record_ids} }; |
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my $report = { |
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total_records => scalar @record_ids, |
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total_success => 0, |
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}; |
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my @messages; |
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my $schema = Koha::Database->new->schema; |
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RECORD_IDS: for my $record_id ( sort { $a <=> $b } @record_ids ) { |
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|
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last if $job->get_from_storage->status eq 'cancelled'; |
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next unless $record_id; |
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$schema->storage->txn_begin; |
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|
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my $biblionumber = $record_id; |
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# First, checking if issues exist. |
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# If yes, nothing to do |
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my $biblio = Koha::Biblios->find( $biblionumber ); |
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|
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# TODO Replace with $biblio->get_issues->count |
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if ( C4::Biblio::CountItemsIssued( $biblionumber ) ) { |
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push @messages, { |
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type => 'warning', |
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code => 'item_issued', |
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biblionumber => $biblionumber, |
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}; |
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$schema->storage->txn_rollback; |
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$job->progress( ++$job_progress )->store; |
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next; |
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} |
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|
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# Cancel reserves |
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my $holds = $biblio->holds; |
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while ( my $hold = $holds->next ) { |
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eval{ |
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$hold->cancel; |
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}; |
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if ( $@ ) { |
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push @messages, { |
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type => 'error', |
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code => 'reserve_not_cancelled', |
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biblionumber => $biblionumber, |
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reserve_id => $hold->reserve_id, |
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error => $@, |
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}; |
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$schema->storage->txn_rollback; |
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$job->progress( ++$job_progress )->store; |
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next RECORD_IDS; |
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} |
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} |
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|
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# Delete items |
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my $items = Koha::Items->search({ biblionumber => $biblionumber }); |
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while ( my $item = $items->next ) { |
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my $error = $item->safe_delete; |
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if(ref($error) ne 'Koha::Item'){ |
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push @messages, { |
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type => 'error', |
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code => 'item_not_deleted', |
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biblionumber => $biblionumber, |
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itemnumber => $item->itemnumber, |
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error => $error, |
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}; |
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$schema->storage->txn_rollback; |
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$job->progress( ++$job_progress )->store; |
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next RECORD_IDS; |
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} |
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} |
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|
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# Finally, delete the biblio |
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my $error = eval { |
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C4::Biblio::DelBiblio( $biblionumber ); |
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}; |
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if ( $error or $@ ) { |
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push @messages, { |
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type => 'error', |
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code => 'biblio_not_deleted', |
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biblionumber => $biblionumber, |
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error => ($@ ? $@ : $error), |
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}; |
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$schema->storage->txn_rollback; |
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$job->progress( ++$job_progress )->store; |
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next; |
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} |
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|
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push @messages, { |
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type => 'success', |
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code => 'biblio_deleted', |
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biblionumber => $biblionumber, |
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}; |
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$report->{total_success}++; |
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$schema->storage->txn_commit; |
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$job->progress( ++$job_progress )->store; |
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} |
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|
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my $job_data = decode_json $job->data; |
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$job_data->{messages} = \@messages; |
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$job_data->{report} = $report; |
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|
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$job->ended_on(dt_from_string) |
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->data(encode_json $job_data); |
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$job->status('finished') if $job->status ne 'cancelled'; |
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$job->store; |
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} |
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sub enqueue { |
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my ( $self, $args) = @_; |
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|
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# TODO Raise exception instead |
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return unless exists $args->{record_ids}; |
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my @record_ids = @{ $args->{record_ids} }; |
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$self->SUPER::enqueue({ |
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job_size => scalar @record_ids, |
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job_args => {record_ids => \@record_ids,} |
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}); |
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} |
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1; |