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Add module WellWell::Iterate, exposing [iterate] tag.
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| # WellWell::Iterate - WellWell iterating routines | ||
| # | ||
| # Copyright (C) 2010 Stefan Hornburg (Racke) <racke@linuxia.de>. | ||
| # | ||
| # This program 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 2 of the License, or | ||
| # (at your option) any later version. | ||
| # | ||
| # This program 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 this program; if not, write to the Free | ||
| # Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
| # MA 02110-1301, USA. | ||
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| package WellWell::Iterate; | ||
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| use strict; | ||
| use warnings; | ||
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| use Vend::Config; | ||
| use Vend::Data; | ||
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| use WellWell::Engine qw/load_engine/; | ||
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| Vend::Config::parse_tag('UserTag', 'iterate AddAttr'); | ||
| Vend::Config::parse_tag('UserTag', 'iterate HasEndTag'); | ||
| Vend::Config::parse_tag('UserTag', 'iterate MapRoutine WellWell::Iterate::iterate'); | ||
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| sub iterate { | ||
| my ($opt, $body) = @_; | ||
| my ($engine, $iter, $record, @out); | ||
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| if (exists $opt->{query}) { | ||
| if (ref($opt->{query}) eq 'HASH') { | ||
| # use query builder | ||
| $engine = load_zoom(); | ||
| $iter = $engine->{database}->build($opt->{query}); | ||
| } | ||
| } | ||
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| unless ($iter) { | ||
| die "Iterator not found\n"; | ||
| } | ||
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| while ($record = $iter->next()) { | ||
| # turn hash into array | ||
| my @keys = keys(%$record); | ||
| my @vals; | ||
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| for (@keys) { | ||
| push(@vals, $record->{$_}); | ||
| } | ||
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| push (@out, Vend::Tags->loop({prefix => 'item', body => $body, | ||
| object => {mv_results => [\@vals], | ||
| mv_field_names => \@keys}})); | ||
| } | ||
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| return join('', @out); | ||
| } | ||
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| sub load_zoom { | ||
| my ($engine); | ||
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| if ($Vend::Session->{engine}->{zoomx}) { | ||
| # reuse existing zoom engine | ||
| $engine = $Vend::Session->{engine}->{zoom}; | ||
| } | ||
| else { | ||
| # load zoom engine | ||
| $engine = load_engine('zoom', database_exists_ref('products')->dbh()); | ||
| $Vend::Session->{engine}->{zoom} = $engine; | ||
| } | ||
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| return $engine; | ||
| } |