%# BEGIN BPS TAGGED BLOCK {{{
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%# 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.
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<div class="row mt-2">
  <div class="col-6">
<h3><&|/l&>Current Links</&></h3>
<&| /Elements/LabeledValue, Label => loc('Depends on') &>
% if ( $hash{DependsOn} ) {
% for my $link ( values %{$hash{DependsOn}} ) {
      <& EditLink, Link => $link, Mode => 'Target' &>
% } }
</&>

<&| /Elements/LabeledValue, Label => loc('Depended on by') &>
% if ( $hash{DependedOnBy} ) {
% for my $link ( values %{$hash{DependedOnBy}} ) {
      <& EditLink, Link => $link, Mode => 'Base' &>
% } }
</&>

<&| /Elements/LabeledValue, Label => loc('Parents') &>
% if ( $hash{MemberOf} ) {
% for my $link ( values %{$hash{MemberOf}} ) {
      <& EditLink, Link => $link, Mode => 'Target' &>
% } }
</&>

<&| /Elements/LabeledValue, Label => loc('Children') &>
% if ( $hash{Members} ) {
% for my $link ( values %{$hash{Members}} ) {
      <& EditLink, Link => $link, Mode => 'Base' &>
% } }
</&>

<&| /Elements/LabeledValue, Label => loc('Refers to') &>
% if ( $hash{RefersTo} ) {
% for my $link ( values %{$hash{RefersTo}} ) {
      <& EditLink, Link => $link, Mode => 'Target' &>
% } }
</&>

<&| /Elements/LabeledValue, Label => loc('Referred to by') &>
% if ( $hash{ReferredToBy} ) {
% for my $link ( values %{$hash{ReferredToBy}} ) {
      <& EditLink, Link => $link, Mode => 'Base' &>
% } }
</&>

<&| /Elements/LabeledValue, Label => '' &>
  <i><&|/l&>(Check box to delete)</&></i>
</&>
</div>

<div class="col-6">
<h3><&|/l&>New Links</&></h3>
<em><&|/l&>Enter tickets or URIs to link to. Separate multiple entries with spaces.</&></em>

<&| /Elements/LabeledValue, Label => loc('Depends on') &>
  <input class="form-control" type="text" name="<% $record_type %>-DependsOn" data-autocomplete="Tickets" data-autocomplete-multiple="1" value="<% $ARGS{ $record_type .'-DependsOn' } || '' %>" />
</&>

<&| /Elements/LabeledValue, Label => loc('Depended on by') &>
  <input class="form-control" type="text" name="DependsOn-<% $record_type %>" data-autocomplete="Tickets" data-autocomplete-multiple="1" value="<% $ARGS{ 'DependsOn-'. $record_type } || '' %>" />
</&>

<&| /Elements/LabeledValue, Label => loc('Parents') &>
  <input class="form-control" type="text" name="<% $record_type %>-MemberOf" data-autocomplete="Tickets" data-autocomplete-multiple="1" value="<% $ARGS{ $record_type .'-MemberOf'} || '' %>" />
</&>

<&| /Elements/LabeledValue, Label => loc('Children') &>
  <input class="form-control" type="text" name="MemberOf-<% $record_type %>" data-autocomplete="Tickets" data-autocomplete-multiple="1" value="<% $ARGS{ 'MemberOf-'. $record_type } || '' %>" />
</&>

<&| /Elements/LabeledValue, Label => loc('Refers to') &>
  <input class="form-control" type="text" name="<% $record_type %>-RefersTo" data-autocomplete="Tickets" data-autocomplete-multiple="1" value="<% $ARGS{ $record_type .'-RefersTo'} || '' %>" />
</&>

<&| /Elements/LabeledValue, Label => loc('Referred to by') &>
  <input class="form-control" type="text" name="RefersTo-<% $record_type %>" data-autocomplete="Tickets" data-autocomplete-multiple="1" value="<% $ARGS{ 'RefersTo-'. $record_type } || '' %>" />
</&>

</div>

</div>

<%ARGS>
$Collection
</%ARGS>

<%INIT>

my @types = qw/DependsOn DependedOnBy Members MemberOf RefersTo ReferredToBy/;

my $record_type = $Collection->RecordClass;
$record_type =~ s/^RT:://; $record_type =~ s/::/-/g;

my %hash;
if ( $Collection->Count ) {
    my $first_record = $Collection->Next;
    # we only show current links that exist on all the records
    for my $type ( @types ) {
        my $target_or_base =
            $type =~ /DependsOn|MemberOf|RefersTo/ ? 'Target' : 'Base';
        my $links = $first_record->$type;
        while ( my $link = $links->Next ) {
            $hash{$type}{$link->$target_or_base} = $link;
        }
    }

    while ( my $record = $Collection->Next ) {
        for my $type ( @types ) {
            my $target_or_base =
                $type =~ /DependsOn|MemberOf|RefersTo/ ? 'Target' : 'Base';
            # if $hash{$type} is empty, no need to check any more
            next unless $hash{$type} && keys %{$hash{$type}};

            my %exists;
            while ( my $link = $record->$type->Next ) {
                $exists{$link->$target_or_base}++;
            }

            for ( keys %{$hash{$type}} ) {
                delete $hash{$type}{$_} unless $exists{$_};
            }
        }
    }
}
</%INIT>
