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Gravity Perks // GP Limit Dates // Exclude Blocked Dates from Modifiers
<?php
/**
* Gravity Perks // GP Limit Dates // Exclude Blocked Dates from Modifiers
* http://gravitywiz.com/
*/
add_filter( 'gpld_date_value', 'gpld_extend_modifiers_by_blocked_dates', 10, 4 );
function gpld_extend_modifiers_by_blocked_dates( $end_date, $field, $key, $options ) {
if( ! $end_date ) {
return $end_date;
}
$value = rgar( $options, $key );
$is_field_id = is_numeric( $value ) && $value > 0;
if( $value == '{today}' ) {
$date = strtotime( 'midnight', current_time( 'timestamp' ) );
//$date = strtotime( '05/21/2016 midnight' );
} else if( $is_field_id ) {
$mod_field_id = $value;
$form = GFAPI::get_form( $field->formId );
$mod_field = GFFormsModel::get_field( $form, $mod_field_id );
$date = gp_limit_dates()->parse_timestamp( rgpost( sprintf( 'input_%s', $mod_field->id ) ), $mod_field );
} else {
$date = strtotime( $value );
}
$blocked_count = 0;
$begin = new DateTime( date( 'Y-m-d', $date ) );
$end = new DateTime( date( 'Y-m-d', $end_date ) );
$interval = DateInterval::createFromDateString( '1 day' );
// period should not include the starting day, should always inlude the very last day
$period = new DatePeriod( $begin, $interval, $end->add( $interval ) );
foreach ( $period as $_date ) {
if( ! gpld_is_valid_date( $_date->getTimestamp(), $field ) ) {
$blocked_count++;
}
}
if( ! $blocked_count ) {
return $end_date;
}
$end = new DateTime( date( 'Y-m-d', $end_date ) );
// extend endDate to account for blocked dates
while( $blocked_count > 0 ) {
$end->add( DateInterval::createFromDateString( '1 day' ) );
// only deduct valid dates from our counter
if( gpld_is_valid_date( $end->getTimestamp(), $field ) ) {
$blocked_count--;
}
}
// set end date to first unblocked date
while( ! gpld_is_valid_date( $end->getTimestamp(), $field ) ) {
$end->add( $interval );
}
return $end->getTimestamp();
}
function gpld_is_valid_date( $date, $field ) {
$date = gp_limit_dates()->parse_timestamp( $date, $field );
$is_valid_day = gp_limit_dates()->is_valid_day_of_week( $date, $field );
$is_valid = $is_valid_day;
$is_excepted = gp_limit_dates()->is_excepted( $date, $field );
if( $is_excepted ) {
$is_valid = ! $is_valid;
}
return $is_valid;
}
add_filter( 'wp_footer', 'gpld_exclude_blocked_dates_js' );
add_filter( 'gform_preview_footer', 'gpld_exclude_blocked_dates_js' );
function gpld_exclude_blocked_dates_js() {
?>
<script type="text/javascript">
if( window.gform ) {
gform.addFilter( 'gpld_modified_date', function( modifiedDate, modifier, date, data, fieldId ) {
return gpldGetModifiedDateWithBlockedDates( date, modifiedDate, data, fieldId );
} );
function gpldGetModifiedDateWithBlockedDates( startDate, endDate, data, fieldId ) {
var date = new Date( startDate ),
endDate = new Date( endDate ),
blockedCount = 0;
// find all the blocked dates between the start and end dates
for ( date; date <= endDate; date.setDate( date.getDate() + 1 ) ) {
if( ! GPLimitDates.isDateShown( date, data, fieldId )[0] ) {
blockedCount++;
}
}
if( ! blockedCount ) {
return endDate;
}
// extend endDate to account for blocked dates
while( blockedCount > 0 ) {
endDate.setDate( endDate.getDate() + 1 );
// only deduct valid dates from our counter
if( GPLimitDates.isDateShown( endDate, data, fieldId )[0] ) {
blockedCount--;
}
}
// set end date to first unblocked date
while( ! GPLimitDates.isDateShown( endDate, data, fieldId )[0] ) {
endDate.setDate( endDate.getDate() + 1 );
}
return endDate;
}
}
</script>
<?php
}
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