132 lines
4.7 KiB
Perl
132 lines
4.7 KiB
Perl
package BurguillosInfo::Categories;
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use v5.34.1;
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use strict;
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use warnings;
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use feature 'signatures';
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use Const::Fast;
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use Mojo::DOM;
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use Path::Tiny;
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use BurguillosInfo::Preview;
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const my $CURRENT_FILE => __FILE__;
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const my $CATEGORIES_DIR =>
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path($CURRENT_FILE)->parent->parent->parent->child('content/categories');
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my $cached_categories;
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sub new {
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return bless {}, shift;
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}
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sub Retrieve($self) {
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if ( defined $cached_categories ) {
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return $cached_categories;
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}
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$cached_categories = {};
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for my $category_file ( $CATEGORIES_DIR->children ) {
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warn "Bad file $category_file, omiting...", next
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if !-f $category_file || $category_file !~ /\.xml$/;
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my $dom = Mojo::DOM->new( $category_file->slurp_utf8 );
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defined(my $title = $dom->at(':root > title')->text)
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or die "Missing title at $category_file.";
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defined(my $description = $dom->at(':root > description')->content)
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or die "Missing description at $category_file";
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defined(my $slug = $dom->at(':root > slug')->text)
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or die "Missing slug at $category_file";
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defined (my $menu_text = $dom->at(':root > menu_text')->content)
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or die "Missing menu_text at $category_file";
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defined (my $priority = $dom->at(':root > priority')->text)
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or die "Missing priority at $category_file";
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my $attributes = $self->_GetAttributes($dom, $category_file);
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my $parent_tag = $dom->at(':root > parent');
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my $parent;
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if (defined $parent_tag) {
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$parent = $parent_tag->content;
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}
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my $category = {
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title => $title,
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menu_text => $menu_text,
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slug => $slug,
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description => $description,
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priority => $priority,
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(
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(defined $parent) ?
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(parent => $parent) :
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()
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),
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attributes => $attributes,
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};
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$cached_categories->{$slug} = $category;
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}
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$self->_AvoidGrandChildCategories($cached_categories);
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$self->_PopulateChildrenField($cached_categories);
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return $cached_categories;
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}
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sub _GetAttributes($self, $dom, $category_file) {
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my $attributes_tag = $dom->at(':root > attributes');
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my %attributes;
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if (defined $attributes_tag) {
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my @attribute_tag_list = $attributes_tag->find('attributes > attribute')->each;
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for my $attribute_tag (@attribute_tag_list) {
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defined (my $menu_text = $attribute_tag->at('attribute > menu_text')->content)
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or die "Missing attribute menu_text at $category_file";
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defined (my $description = $attribute_tag->at('attribute > description')->content)
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or die "Missing attribute description at $category_file";
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defined (my $title = $attribute_tag->at('attribute > title')->text)
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or die "Missing attribute title at $category_file";
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defined (my $identifier = $attribute_tag->at('attribute > identifier')->text)
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or die "Missing attribute identifier at $category_file";
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defined (my $priority = $attribute_tag->at('attribute > priority')->text)
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or die "Missing attribute priority at $category_file";
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$attributes{$identifier} = {
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title => $title,
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identifier => $identifier,
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priority => $priority,
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menu_text => $menu_text,
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description => $description,
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};
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}
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}
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return \%attributes;
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}
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sub _PopulateChildrenField($self, $categories) {
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for my $category_name (keys %$categories) {
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my $category = $categories->{$category_name};
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$category->{children} //= [];
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my $parent_name = $category->{parent};
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if (!defined $parent_name) {
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next;
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}
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my $parent = $categories->{$parent_name};
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if (!defined $parent) {
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die "Category $parent not exists and is the parent of $category_name.";
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}
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$parent->{children} //= [];
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push $parent->{children}->@*, $category;
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}
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}
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sub _AvoidGrandChildCategories($self, $categories) {
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for my $category_slug (keys %$categories) {
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my $category = $categories->{$category_slug};
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my $parent = $category->{parent};
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if (defined $parent && defined $categories->{$parent}{parent}) {
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die "$category_slug category is grandchild of $categories->{$parent}{parent}) category and this is not allowed.";
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}
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}
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}
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sub PreviewOg($self, $category) {
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my $title = $category->{title};
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my $description = $category->{description};
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return BurguillosInfo::Preview->Generate($title, $description, undef);
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}
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1;
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