dfp plugin theme stuff

add_filter( 'dfw_network_code', 'mj_dfp_network_code' );
add_filter( 'dfw_breakpoints', 'mj_dfp_breakpoints' );
add_filter( 'dfw_targeting_criteria', 'mj_dfp_targeting' );
add_filter( 'dfw_mappings', 'mj_dfp_mapping' );
function mj_dfp_network_code() {
	return 49189977;
}
function mj_dfp_breakpoints( $breakpoints ) {
	$mj_breakpoints = array(
		array(
			'identifier' => 'mobile',
			'min-width' => 0,
			'max-width' => 629,
			'option' => false,
		),
		array(
			'identifier' => 'desktop',
			'min-width' => 630,
			'max-width' => 9999,
			'option' => false,
		),
	);
	foreach ( $mj_breakpoints as $breakpoint ) {
		$breakpoints[] = $breakpoint;
	}
	return $breakpoints;
}
function mj_dfp_targeting( $targeting ) {
	global $post;
	if ( defined( 'VIP_GO_ENV' ) && VIP_GO_ENV ) {
		$targeting['env'][] = VIP_GO_ENV;
	}
	if ( function_exists( 'largo_get_current_url' ) ) {
		$targeting['url'][] = largo_get_current_url();
	}
	if ( is_singular() && mj_is_content_type( 'full_width_article', get_the_ID() ) ) {
		$targeting['Page'][] = 'fullwidth';
	}
	return $targeting;
}
function mj_dfp_mapping( $mappings ) {
	if ( is_single() ) {
		// incontent ads are only served on desktop for full-widths.
		$desktop_sizes = array();
		if ( mj_is_content_type( 'full_width_article', get_the_ID() ) ) {
			$desktop_sizes = array(
				array( 970, 250 ),
				array( 970, 90 ),
				array( 728, 90 ),
			);
		}
		// mobile is 300x250 on all articles.
		$mappings['InContent'] = array(
			array(
				'browser' => array( 0, 1 ),
				'ad_sizes' => array(
					array( 300, 250 ),
				),
			),
			array(
				'browser' => array( 630, 1 ),
				'ad_sizes' => $desktop_sizes,
			),
		);
	}
	return $mappings;
}

/**
 * Wrapper for $doubleclick->place_ad to make sure plugin is active, etc.
 *
 * @param string $id the ad unit identifier from DFP.
 * @param array  $sizes the creative sizes that are valid for different breakpoints.
 * @param string $before html to output before the ad tag.
 * @param string $after html to output after the ad tag.
 */
function mj_place_ad( $id, $sizes, $args = array() ) {
	global $mj, $doubleclick;

	// bail if the dfp plugin isn't active.
	if ( ! class_exists( 'DoubleClick_For_WordPress' ) ) {
		return;
	}

	// bail if the hide_ads flag is set.
	if ( isset( $mj['meta']['mj_hide_ads'] ) ) {
		return;
	}

	$defaults = array(
		'before' => '',
		'after' => '',
		'lazyLoad' => false,
		'outofPage' => false,
	);

	$args = wp_parse_args( $args, $defaults );

	if ( $args['before'] && '' !== $args['before'] ) {
		echo wp_kses_post( $args['before'] );
	}

	$doubleclick->place_ad( $id, $sizes, $args );

	if ( $args['after'] && '' !== $args['after'] ) {
		echo wp_kses_post( $args['after'] );
	}
}