From fe2fb1fd140c9211bae8f47985762ce60ddf38b0 Mon Sep 17 00:00:00 2001 From: Matt Blenkinsop Date: Thu, 14 Sep 2023 12:36:40 +0000 Subject: [PATCH] Bug 34788: Add a background job to import a KBART file This patch adds a background job that will import a KBART file Sponsored-by: UKHSA --- Koha/BackgroundJob.pm | 1 + Koha/BackgroundJob/ImportKBARTFile.pm | 290 ++++++++++++++++++ .../import_from_kbart_file.inc | 95 ++++++ .../includes/str/import_from_kbart_file.inc | 5 + .../prog/en/modules/admin/background_jobs.tt | 4 + 5 files changed, 395 insertions(+) create mode 100644 Koha/BackgroundJob/ImportKBARTFile.pm create mode 100644 koha-tmpl/intranet-tmpl/prog/en/includes/background_jobs/import_from_kbart_file.inc create mode 100644 koha-tmpl/intranet-tmpl/prog/en/includes/str/import_from_kbart_file.inc diff --git a/Koha/BackgroundJob.pm b/Koha/BackgroundJob.pm index 7c2f735ada4..8882872058c 100644 --- a/Koha/BackgroundJob.pm +++ b/Koha/BackgroundJob.pm @@ -429,6 +429,7 @@ sub core_types_to_classes { marc_import_commit_batch => 'Koha::BackgroundJob::MARCImportCommitBatch', marc_import_revert_batch => 'Koha::BackgroundJob::MARCImportRevertBatch', pseudonymize_statistic => 'Koha::BackgroundJob::PseudonymizeStatistic', + import_from_kbart_file => 'Koha::BackgroundJob::ImportKBARTFile', }; } diff --git a/Koha/BackgroundJob/ImportKBARTFile.pm b/Koha/BackgroundJob/ImportKBARTFile.pm new file mode 100644 index 00000000000..73cbae84c41 --- /dev/null +++ b/Koha/BackgroundJob/ImportKBARTFile.pm @@ -0,0 +1,290 @@ +package Koha::BackgroundJob::ImportKBARTFile; + +# This file is part of Koha. +# +# Koha is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# Koha is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with Koha; if not, see . + +use Modern::Perl; +use JSON qw( decode_json encode_json ); +use Try::Tiny qw( catch try ); +use MIME::Base64 qw( decode_base64 ); +use POSIX qw( floor ); + +use C4::Context; + +use Koha::ERM::EHoldings::Titles; + +use base 'Koha::BackgroundJob'; + +=head1 NAME + +ImportKBARTFile - Create new eHoldings titles from a KBART file + +This is a subclass of Koha::BackgroundJob. + +=head1 API + +=head2 Class methods + +=head3 job_type + +Define the job type of this job. + +=cut + +sub job_type { + return 'import_from_kbart_file'; +} + +=head3 process + +Process the import. + +=cut + +sub process { + my ( $self, $args ) = @_; + + if ( $self->status eq 'cancelled' ) { + return; + } + + $self->start; + my @messages; + my $titles_imported = 0; + my $duplicate_titles = 0; + my $failed_imports = 0; + my $total_lines; + my $file_name = $args->{file}->{filename}; + my $report = { + duplicates_found => undef, + titles_imported => undef, + file_name => $file_name, + total_lines => undef, + failed_imports => undef + }; + + try { + my $file = $args->{file}; + my ( $column_headers, $lines ) = format_file($file); + + if ( scalar( @{$lines} ) == 0 ) { + push @messages, { + code => 'job_failed', + type => 'error', + error_message => 'No valid lines were found in this file. Please check the file formatting.', + }; + $self->status('failed')->store; + } + + $self->size( scalar( @{$lines} ) )->store; + $total_lines = scalar( @{$lines} ); + + foreach my $line ( @{$lines} ) { + next if !$line; + my $new_title = create_title_hash_from_line_data( $line, $column_headers ); + my $title_match = Koha::ERM::EHoldings::Titles->search( { external_id => $new_title->{title_id} } )->count; + + if ($title_match) { + $duplicate_titles++; + push @messages, { + code => 'title_already_exists', + type => 'warning', + error_message => undef, + title => $new_title->{publication_title} + }; + } else { + try { + my $formatted_title = format_title($new_title); + if ( !$formatted_title->{publication_title} ) { + push @messages, { + code => 'title_failed', + type => 'error', + error_message => "No publication_title found for title_id: ", + title => '(Unknown)', + title_id => $formatted_title->{external_id} + }; + $failed_imports++; + } else { + my $imported_title = Koha::ERM::EHoldings::Title->new($formatted_title)->store; + + # No need to add a message for a successful import, + # files could have 1000s of titles which will lead to lots of messages in background_job->data + $titles_imported++ if $imported_title; + } + } catch { + $failed_imports++; + push @messages, { + code => 'title_failed', + type => 'error', + error_message => $_->{msg}, + title => $new_title->{publication_title} + } + }; + } + $self->step; + } + + $report->{duplicates_found} = $duplicate_titles; + $report->{titles_imported} = $titles_imported; + $report->{total_lines} = $total_lines; + $report->{failed_imports} = $failed_imports; + + my $data = $self->decoded_data; + $data->{messages} = \@messages; + $data->{report} = $report; + + # Remove the file content as this is no longer needed and can be very large + $data->{file}->{file_content} = undef; + + $self->finish($data); + } catch { + warn $_; + } +} + +=head3 enqueue + +Enqueue the new job + +=cut + +sub enqueue { + my ( $self, $args ) = @_; + + return unless exists $args->{file}; + + $self->SUPER::enqueue( + { + job_size => 1, + job_args => $args, + job_queue => 'long_tasks', + } + ); +} + +=head3 format_title + +Formats a title to fit the names of the database fields in Koha + +Kbart field "title_id" = "external_id" in Koha +Kbart field "coverage_notes" = "notes" in Koha + +=cut + +sub format_title { + my ($title) = @_; + + $title->{external_id} = $title->{title_id}; + delete $title->{title_id}; + + # Some files appear to use coverage_notes instead of "notes" as in the KBART standard + if ( $title->{coverage_notes} ) { + $title->{notes} = $title->{coverage_notes}; + delete $title->{coverage_notes}; + } + + return $title; +} + +=head3 format_file + +Formats a file to provide report headers and lines to be processed + +=cut + +sub format_file { + my ($file) = @_; + + my $file_content = decode_base64( $file->{file_content} ); + $file_content =~ s/\n/\r/g; + my @lines = split /\r/, $file_content; + my @column_headers = split /\t/, $lines[0]; + shift @lines; # Remove headers row + my @remove_null_lines = grep $_ ne '', @lines; + + return ( \@column_headers, \@remove_null_lines ); +} + +=head3 create_title_hash_from_line_data + +Takes a line and creates a hash of the values mapped to the column headings + +=cut + +sub create_title_hash_from_line_data { + my ( $line, $column_headers ) = @_; + + my %new_title; + my @values = split /\t/, $line; + + @new_title{ @{$column_headers} } = @values; + + return \%new_title; +} + +=head3 get_valid_headers + +Returns a list of permitted headers in a KBART phase II file + +=cut + +sub get_valid_headers { + return ( + 'publication_title', + 'print_identifier', + 'online_identifier', + 'date_first_issue_online', + 'num_first_vol_online', + 'num_first_issue_online', + 'date_last_issue_online', + 'num_last_vol_online', + 'num_last_issue_online', + 'title_url', + 'first_author', + 'title_id', + 'embargo_info', + 'coverage_depth', + 'coverage_notes', + 'publisher_name', + 'publication_type', + 'date_monograph_published_print', + 'date_monograph_published_online', + 'monograph_volume', + 'monograph_edition', + 'first_editor', + 'parent_publication_title_id', + 'preceding_publication_title_id', + 'access_type', + 'notes' + ); +} + +=head3 calculate_chunked_file_size + +Calculates average line size to work out how many lines to chunk a large file into +Knocks 10% off the final result to give some margin for error + +=cut + +sub calculate_chunked_file_size { + my ( $file_size, $max_allowed_packet, $number_of_lines ) = @_; + + my $average_line_size = $file_size / $number_of_lines; + my $lines_possible = $max_allowed_packet / $average_line_size; + my $moderated_value = floor( $lines_possible * 0.9 ); + return $moderated_value; +} + +1; diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/background_jobs/import_from_kbart_file.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/background_jobs/import_from_kbart_file.inc new file mode 100644 index 00000000000..7f535b80500 --- /dev/null +++ b/koha-tmpl/intranet-tmpl/prog/en/includes/background_jobs/import_from_kbart_file.inc @@ -0,0 +1,95 @@ +[% USE Koha %] + +[% BLOCK report %] + [% SET report = job.report %] + [% IF report %] +
+ [% IF job.status == 'finished' %] + + + + + + + + + + + + + + + + + + + + + +
Filename[% report.file_name | html %]
Total lines processed[% report.total_lines | html %]
Titles imported[% report.titles_imported | html %]
Duplicates found[% report.duplicates_found | html %]
Failed imports[% report.failed_imports | html %]
+ [% ELSIF job.status == 'started' %] +

+ [% END %] + [% IF job.status != 'finished' %] + [% INCLUDE "job_progress.inc" job_id=job.id %] + [% END %] + [% IF job.status == 'cancelled' %] +

The job has been cancelled before it finished.

+ [% END %] +
+ [% END %] +[% END %] + +[% Asset.js("js/job_progress.js") | $raw %] + +[% BLOCK detail %] + [% FOR m IN job.messages %] +
+ [% IF m.type == 'success' %] + + [% ELSIF m.type == 'warning' %] + + [% ELSIF m.type == 'error' %] + + [% END %] + [% SWITCH m.code %] + [% CASE 'title_already_exists' %] + [% m.title | html %] already exists and was not created. + [% CASE 'title_failed' %] + [% m.title | html %] failed to import - [% m.error_message | html %][% IF m.title_id %][% m.title_id | html %][% END %] + [% CASE 'job_failed' %] + Job failed - [% m.error_message | html %] + [% END %] +
+ [% END %] +[% END %] + [% Asset.js("js/job_progress.js") | $raw %] + +[% BLOCK js %] + [% INCLUDE 'str/job_progress.inc' job_id=job.id %] + [% INCLUDE 'str/import_from_kbart_file.inc' %] + +[% END %] diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/str/import_from_kbart_file.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/str/import_from_kbart_file.inc new file mode 100644 index 00000000000..51343680bac --- /dev/null +++ b/koha-tmpl/intranet-tmpl/prog/en/includes/str/import_from_kbart_file.inc @@ -0,0 +1,5 @@ + + \ No newline at end of file diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/background_jobs.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/background_jobs.tt index 11cec0dfcfe..f1abbf01d68 100644 --- a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/background_jobs.tt +++ b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/background_jobs.tt @@ -237,6 +237,10 @@ '_id': 'marc_import_revert_batch', '_str': _("Revert import MARC records") }, + { + '_id': 'import_from_kbart_file', + '_str': _("Import titles from a KBART file") + }, ]; function get_job_type (job_type) { -- 2.37.1 (Apple Git-137.1)