bp_ps_parse_request( $request )

function bp_ps_parse_request ($request)
{
	$j = 1;

	$parsed = array ();
	list (, $fields) = bp_ps_get_fields ();
	foreach ($fields as $key => $value)
		$parsed[$key] = clone $fields[$key];

	foreach ($request as $key => $value)
	{
		if ($value === '')  continue;

		$k = bp_ps_match_key ($key, $parsed);
		if ($k === false)  continue;

		$f = $parsed[$k];
		$filter = ($key == $f->code)? '': substr ($key, strlen ($f->code) + 1);
		if (!bp_ps_is_filter ($filter, $f))  continue;

		switch ($filter)
		{
		default:
			$f->filter = $filter;
			$f->value = $value;
			break;
		case 'distance':
			if (!empty ($value['location']) && !empty ($value['lat']) && !empty ($value['lng']))
			{
				if (empty ($value['distance']))  $value['distance'] = 1;
				$f->filter = $filter;
				$f->value = $value;
			}
			break;
		case 'range':
			if (is_numeric ($value['min']))
				$f->value['min'] = $value['min'];
			if (is_numeric ($value['max']))
				$f->value['max'] = $value['max'];
			if (isset ($f->value))
				$f->filter = $filter;
			break;
		case 'date_range':
            $range_types = array( 'min', 'max' );
            foreach ( $range_types as $range_type ) {
                if ( isset( $value[ $range_type ] ) && !empty( $value[ $range_type ] ) ) {
                    $f->value[ $range_type ]['day'] = isset( $value[ $range_type ]['day'] ) ? $value[ $range_type ]['day'] : 0;
                    $f->value[ $range_type ]['year'] = isset( $value[ $range_type ]['year'] ) ? (int) $value[ $range_type ]['year'] : 0;
                    $f->value[ $range_type ]['month'] = isset( $value[ $range_type ]['month'] ) ? $value[ $range_type ]['month'] : '';

                    //if year is not set, we reset month and day as well
                    if ( empty( $f->value[ $range_type ]['year'] ) ) {
                        $f->value[ $range_type ]['month'] = '';
                        $f->value[ $range_type ]['day'] = '';
                    }
                    
                    //if month is not set, we reset day
                    if ( empty( $f->value[ $range_type ]['month'] ) ) {
                        $f->value[ $range_type ]['day'] = '';
                    }
                }
            }
            
            $f->filter = $filter;
			break;
            
		case 'range_min':		
			if (!is_numeric ($value))  break;
			$f->filter = rtrim ($filter, '_min');
			$f->value['min'] = $value;
			break;
            
		case 'range_max':
			if (!is_numeric ($value))  break;
			$f->filter = rtrim ($filter, '_max');
			$f->value['max'] = $value;
			break;
            
        case 'date_range_min':
            $range_types = array( 'min' );
            foreach ( $range_types as $range_type ) {
                if ( isset( $value[ $range_type ] ) && !empty( $value[ $range_type ] ) ) {
                    $f->value[ $range_type ]['day'] = isset( $value[ $range_type ]['day'] ) ? $value[ $range_type ]['day'] : 0;
                    $f->value[ $range_type ]['year'] = isset( $value[ $range_type ]['year'] ) ? (int) $value[ $range_type ]['year'] : 0;
                    $f->value[ $range_type ]['month'] = isset( $value[ $range_type ]['month'] ) ? $value[ $range_type ]['month'] : '';

                    //if year is not set, we reset month and day as well
                    if ( empty( $f->value[ $range_type ]['year'] ) ) {
                        $f->value[ $range_type ]['month'] = '';
                        $f->value[ $range_type ]['day'] = '';
                    }
                    
                    //if month is not set, we reset day
                    if ( empty( $f->value[ $range_type ]['month'] ) ) {
                        $f->value[ $range_type ]['day'] = '';
                    }
                }
            }
            
            $f->filter = $filter;
			break;
            
        case 'date_range_max':
            $range_types = array( 'max' );
            foreach ( $range_types as $range_type ) {
                if ( isset( $value[ $range_type ] ) && !empty( $value[ $range_type ] ) ) {
                    $f->value[ $range_type ]['day'] = isset( $value[ $range_type ]['day'] ) ? $value[ $range_type ]['day'] : 0;
                    $f->value[ $range_type ]['year'] = isset( $value[ $range_type ]['year'] ) ? (int) $value[ $range_type ]['year'] : 0;
                    $f->value[ $range_type ]['month'] = isset( $value[ $range_type ]['month'] ) ? $value[ $range_type ]['month'] : '';

                    //if year is not set, we reset month and day as well
                    if ( empty( $f->value[ $range_type ]['year'] ) ) {
                        $f->value[ $range_type ]['month'] = '';
                        $f->value[ $range_type ]['day'] = '';
                    }
                    
                    //if month is not set, we reset day
                    if ( empty( $f->value[ $range_type ]['month'] ) ) {
                        $f->value[ $range_type ]['day'] = '';
                    }
                }
            }
            
            $f->filter = $filter;
			break;
        
		case 'label':
			$f->label = stripslashes ($value);
			break;
		}

		if (!isset ($f->order))  $f->order = $j++;
	}

	return $parsed;
}