%# BEGIN BPS TAGGED BLOCK {{{
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<%INIT>
my ($valid, @res) = (1, ());
$CustomFields->GotoFirstItem;

my $CFArgs = _ParseObjectCustomFieldArgs( $ARGSRef )->{ref($Object)}{$Object->Id || 0} || {};

while ( my $CF = $CustomFields->Next ) {
    my $submitted = $CFArgs->{$CF->Id};
    # Pick the first grouping
    $submitted = $submitted ? $submitted->{(keys %$submitted)[0]} : {};

    # If we don't have a value and we don't see the Magic, then we're not
    # submitting a field.
    next if not $ValidateUnsubmitted
        and not exists $submitted->{"Value"}
        and not exists $submitted->{"Upload"}
        and not exists $submitted->{"Values"}
        and not $submitted->{"Values-Magic"};

    # We only validate Single Combos -- multis can never be user input
    next if $submitted->{"Values-Magic"} and exists $submitted->{"Values"}
        and ref $submitted->{"Values"};

    $m->notes(('Field-' . $CF->Id) => $submitted->{Values} // $submitted->{Value});

    my @values = _NormalizeObjectCustomFieldValue(
        CustomField => $CF,
        Value       => ($submitted->{Values} // $submitted->{Value} // $submitted->{Upload}),
    );
    if ($CF->Type =~ /^Date(?:Time)?$/) {
        @values = grep {
            my $DateObj = RT::Date->new ( $session{'CurrentUser'} );
            $DateObj->Set(
                Format => 'unknown',
                Value => $_,
                ($CF->Type eq "Date" ? (Timezone => 'utc') : ())
            );
            $DateObj->IsSet
        } @values;
    }
    push @values, '' unless @values;

    for my $value( @values ) {
        if ($value) {
            my $ref = { Content => $value };
            my ($ok, $msg) = $CF->_CanonicalizeValue( $ref );
            unless ($ok) {
                $m->notes( ( 'InvalidField-' . $CF->Id ) => $msg );
                push @res, $CF->Name .': '. $msg;
                $valid = 0;
            }
        }

        if (!$CF->MatchPattern($value)) {
            my $msg = loc("Input must match [_1]", $CF->FriendlyPattern);
            $m->notes( ('InvalidField-' . $CF->Id) => $msg );
            push @res, $CF->Name .': '. $msg;
            $valid = 0;
        }

        if ($CF->UniqueValues) {
            my $existing = RT::ObjectCustomFieldValues->new(RT->SystemUser);
            $existing->LimitToCustomField($CF->Id);
            $existing->LimitToEnabled;
            $existing->Limit(FIELD => 'ObjectType', VALUE => ref($Object));
            $existing->Limit(FIELD => 'ObjectId', VALUE => $Object->id, OPERATOR => '!=');
            $existing->Limit(
                FIELD => 'Content',
                VALUE => $value,
            );

            while (my $ocfv = $existing->Next) {
                my $msg = loc("That is not a unique value");
                $m->notes( ('InvalidField-' . $CF->Id) => $msg );
                push @res, $CF->Name .': '. $msg;
                $valid = 0;
                last;
            }
        }
    }
}
$m->notes('ValidFields', $valid);
return wantarray? ($valid, @res): $valid;
</%INIT>
<%ARGS>
$Object => RT::Ticket->new( $session{'CurrentUser'})
$CustomFields
$ARGSRef
$ValidateUnsubmitted => 0
</%ARGS>
