Attachment 103277 Details for Bug 24807 – Bug 24807: Simplify with new and imporved value_callbacks

[patch] Bug 24807: Simplify with new and imporved value_callbacks

Bug-24807-Simplify-with-new-and-imporved-valuecall.patch (text/plain), 4.63 KB, created by David Gustafsson on 2020-04-20 11:11:41 UTC

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Creator: David Gustafsson

Created: 2020-04-20 11:11:41 UTC

Size: 4.63 KB

patch

obsolete

>From a98c3b1d419c56468364a1711ebcae35b0d5d795 Mon Sep 17 00:00:00 2001
>From: David Gustafsson <glasklas@gmail.com>
>Date: Mon, 20 Apr 2020 13:03:24 +0200
>Subject: [PATCH] Bug 24807: Simplify with new and imporved value_callbacks
>
>---
> Koha/SearchEngine/Elasticsearch.pm | 60 ++++++++++--------------------
> 1 file changed, 20 insertions(+), 40 deletions(-)
>
>diff --git a/Koha/SearchEngine/Elasticsearch.pm b/Koha/SearchEngine/Elasticsearch.pm
>index a0ea8a9d5e..8f7138e400 100644
>--- a/Koha/SearchEngine/Elasticsearch.pm
>+++ b/Koha/SearchEngine/Elasticsearch.pm
>@@ -478,50 +478,38 @@ sub _process_mappings {
>             $data_copy = length($data) > $start ? substr $data_copy, $start, $length : '';
>         }
> 
>-        # Add data to tokens array for callbacks processing
>-        my $tokens = [$data_copy];
>-
>-        # Tokenize callbacks takes as token (possibly tokenized subfield data)
>-        # as argument, and returns a possibly different list of tokens.
>-        # Note that this list also might be empty.
>-        if (defined $options->{tokenize_callbacks}) {
>-            foreach my $callback (@{$options->{tokenize_callbacks}}) {
>-                # Pass each token to current callback which returns a list
>+        # Add data to values array for callbacks processing
>+        my $values = [$data_copy];
>+
>+        # Value callbacks takes subfield data (or values from previous
>+        # callbacks) as argument, and returns a possibly different list of values.
>+        # Note that the returned list may also be empty.
>+        if (defined $options->{value_callbacks}) {
>+            foreach my $callback (@{$options->{value_callbacks}}) {
>+                # Pass each value to current callback which returns a list
>                 # (scalar is fine too) resulting either in a list or
>                 # a list of lists that will be flattened by perl.
>-                # The next callback will recieve the possibly expanded list of tokens.
>-                $tokens = [ map { $callback->($_) } @{$tokens} ];
>-            }
>-        }
>-        if (defined $options->{value_callbacks}) {
>-            $tokens = [ map { reduce { $b->($a) } ($_, @{$options->{value_callbacks}}) } @{$tokens} ];
>-        }
>-        if (defined $options->{filter_callbacks}) {
>-            my @tokens_filtered;
>-            foreach my $_data (@{$tokens}) {
>-                if ( all { $_->($_data) } @{$options->{filter_callbacks}} ) {
>-                    push @tokens_filtered, $_data;
>-                }
>+                # The next callback will recieve the possibly expanded list of values.
>+                $values = [ map { $callback->($_) } @{$values} ];
>             }
>-            # Overwrite $tokens with filtered values
>-            $tokens = \@tokens_filtered;
>         }
>+
>         # Skip mapping if all values has been removed
>-        next unless @{$tokens};
>+        next unless @{$values};
> 
>         if (defined $options->{property}) {
>-            $tokens = [ map { { $options->{property} => $_ } } @{$tokens} ];
>+            $values = [ map { { $options->{property} => $_ } } @{$values} ];
>         }
>         if (defined $options->{nonfiling_characters_indicator}) {
>             my $nonfiling_chars = $meta->{field}->indicator($options->{nonfiling_characters_indicator});
>             $nonfiling_chars = looks_like_number($nonfiling_chars) ? int($nonfiling_chars) : 0;
>-            # Nonfiling chars does not make sense for multiple tokens
>+            # Nonfiling chars does not make sense for multiple values
>             # Only apply on first element
>-            $tokens->[0] = substr $tokens->[0], $nonfiling_chars;
>+            $values->[0] = substr $values->[0], $nonfiling_chars;
>         }
> 
>         $record_document->{$target} //= [];
>-        push @{$record_document->{$target}}, @{$tokens};
>+        push @{$record_document->{$target}}, @{$values};
>     }
> }
> 
>@@ -913,20 +901,12 @@ sub _field_mappings {
>         };
>     }
>     elsif ($target_type eq 'year') {
>-        $default_options->{tokenize_callbacks} //= [];
>-        # Only accept years containing digits and "u"
>-        push @{$default_options->{tokenize_callbacks}}, sub {
>-            my ($value) = @_;
>-            my @years = ( $value =~ /[0-9u]{4}/g );
>-            return @years;
>-        };
>-
>         $default_options->{value_callbacks} //= [];
>-        # Replace "u" with "0" for sorting
>+        # Only accept years containing digits and "u"
>         push @{$default_options->{value_callbacks}}, sub {
>             my ($value) = @_;
>-            $value =~ s/[u]/0/g;
>-            return $value;
>+            # Replace "u" with "0" for sorting
>+            return map { s/[u]/0/gr } ( $value =~ /[0-9u]{4}/g );
>         };
>     }
> 
>-- 
>2.20.1

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