awk-cleanup.sh

#!/usr/bin/awk -f
BEGIN {
	FS=",";
	ORS="";
}
{
	for(i=1; i <= NF; i++)
		{
			if ( index($i, "id") != 0 || index($i,"code") != 0 )
				print $i",";
			else if ( index($i,"title") != 0 )
				print "\"title\":\"My Registry Title\",";
			else if ( index($i,"{") != 0 )
				print "},{\"field"i"\":\"""value"i"\",";
			else if (i < NF)
				print "\"field"i"\":\"""value"i"\",";
			else
				print "\"field"i"\":\"""value"i"\"}";
		}
}
END {
}

minimal-POST.php

<?php

if ($_SERVER['REQUEST_METHOD'] == "POST"){
		$post_id = wp_insert_post(array (
			'post_type' => 'gwc_registry',
			'post_title' => 'post number one',
			'post_status' => 'publish',
			'comment_status' => 'closed',
			'ping_status' => 'closed',
		));

		exit();
	}
?>

my_dump.php

<?php
//------------------------DEBUG AND OTHER UTILITIES------------------------//
function var_dump_ret($mixed = null) {
	ob_start();
	var_dump($mixed);
	$content = ob_get_contents();
	ob_end_clean();
	return $content;
}
function my_dump($thing){
	$file = '/tmp/my_dump.txt';
	file_put_contents($file, var_dump_ret($thing),FILE_APPEND);
}

My_Registry.php

<?php
/**
 * @package Gist Info
 *
 * Manage create read update (not really delete) registry CPTs
 */

class My_Registry {
	private $id;
	private $registryno;
	private $title;//CPT post title
	/**
		plus 25 domain-specific attributes 
	*/
	private $registry_cpt_id;

	function __construct( $data ){
		$this->id = $this->_sanitize( $data["id"] );
		$this->registryno = $this->_sanitize( $data["registryno"] );
		$this->title = $this->_sanitize( $data["title"] );
		/**
			plus 25 domain-specific attributes processing 
		*/
		$this->registry_cpt_id = false; // POST_ID, not registryno or id OR false
	}

	function create_or_update(){
		$post_id = $this->_exists();
		if ( empty($post_id)  ){
			$post_id = wp_insert_post(array (
				'post_type' => 'gwc_registry',
				'post_title' => $this->title,
				'post_status' => 'publish',
				'comment_status' => 'closed',
				'ping_status' => 'closed'
			));
		} else {
			// TODO update existing post title here if necessary
		}
		
		// do we now have a post to work with?
		if ( ! empty($post_id) ){
			$this->registry_cpt_id = $post_id;
			$this->_update_meta();
		}
	}

	private function _exists(){
		$params = array(
			'posts_per_page' => 1,//only looking for one hit
			'post_type' => 'gwc_registry',
			'meta_key' => 'registry_id',
			'meta_value' => $this->id
		);
		$reg_query = new WP_Query($params);
		if ($reg_query->have_posts()) {
			$reg_query->the_post();
			$post_id = get_the_id();
			wp_reset_postdata();
			return $post_id;
		}
		return false;
	}

	private function _sanitize($value){
		return filter_var($value, FILTER_SANITIZE_STRING);
	}

	private function _sanitize_number($value){
		return filter_var($value, FILTER_SANITIZE_NUMBER_INT);
	}

	private function _update_meta(){
		if ( empty($this->registry_cpt_id) )
			return false;

		// my_dump(">>>" . $this->registry_cpt_id);

		$cpt_meta_fields = (array)$this;
		foreach ($cpt_meta_fields as $key => $value){
			// my_dump((explode("\0", $key))[2] . ' ' . $value);
			/**
				$key here flanges up to the wordpress meta field keys
				when exploded & 'registry_' is prepended
			**/
			$clean_key = (explode("\0", $key))[2];
			$registry_meta_key = 'registry_' . $clean_key;

			// my_dump($registry_meta_key . " > " . $value);

			/**
				remove processing of some domain-specific fields
			**/

			if ( gettype($value) == "boolean" ){
				//checkboxes
				$bool_value = $value ? 'yes' : 'no';
				$result = $this->_write_meta_value( $this->registry_cpt_id, $registry_meta_key, $bool_value );
			} else {
				//remaining text fields
				//we dont parse dates unless something in the future requires us to
				$result = $this->_write_meta_value( $this->registry_cpt_id, $registry_meta_key, $value );
			}
			// my_dump($result);
		}
	}

	private function _write_meta_value( $post_id, $meta_key, $meta_value){
		if ( ! isset($post_id, $meta_key, $meta_value) )
			return null; //the only value update_post_metas will NOT return
		// my_dump($post_id . "| " . $meta_key . "| " . $meta_value);
		return update_post_meta( $post_id, $meta_key, $meta_value );
	}
}

POST-receive.php

<?php
/**
  * @package  Gist Info
 */
include_once( get_stylesheet_directory() . '/include/My_Registry.php' );

//we might be getting POSTed json data from the back end sync
if ($_SERVER['REQUEST_METHOD'] == "POST"){
	$json = file_get_contents('php://input');
	if ($json){
		$data = json_decode($json, true);
		$registry = new My_Registry($data);
		$registry->create_or_update();
		unset($registry);
		exit();
	}
}

do_action( 'get_header');
get_template_part('partials/header', '');
?>

<!-- HTML ARCHIVE GET rendering -->

<?php
	do_action( 'get_footer');
	get_template_part('partials/footer', '');

POST_1-clean.json.txt

{"id":"378","field2":"value2","code":"KJ","title":"My Registry Title","field5":"value5","field6":"value6","field7":"value7","field8":"value8","field9":"value9","field10":"value10","field11":"value11","field12":"value12","field13":"value13","field14":"value14","field15":"value15","field16":"value16","field17":"value17","field18":"value18","field19":"value19","field20":"value20","field21":"value21","field22":"value22","field23":"value23","field24":"value24","field25":"value25","field26":"value26","field27":"value27","field28":"value28"},{"field29":"value29","field30":"value30","field31":"value31","field32":"value32","field33":"value33","field34":"value34","field35":"value35","field36":"value36"},{"field37":"value37","field38":"value38","field39":"value39","field40":"value40","field41":"value41","field42":"value42","field43":"value43","field44":"value44"},{"field45":"value45","field46":"value46","field47":"value47","field48":"value48","field49":"value49","field50":"value50","field51":"value51","field52":"value52"},{"field53":"value53","field54":"value54","field55":"value55","field56":"value56","field57":"value57","field58":"value58","field59":"value59","field60":"value60"},{"field61":"value61","field62":"value62","field63":"value63","field64":"value64","field65":"value65","field66":"value66","field67":"value67","field68":"value68"},{"field69":"value69","field70":"value70","field71":"value71","field72":"value72","field73":"value73","field74":"value74","field75":"value75","field76":"value76"},{"field77":"value77","field78":"value78","field79":"value79","field80":"value80","field81":"value81","field82":"value82","field83":"value83","field84":"value84"},{"field85":"value85","field86":"value86","field87":"value87","field88":"value88","field89":"value89","field90":"value90","field91":"value91","field92":"value92"},{"field93":"value93","field94":"value94","field95":"value95","field96":"value96","field97":"value97","field98":"value98","field99":"value99","field100":"value100"},{"field101":"value101","field102":"value102","field103":"value103","field104":"value104","field105":"value105","field106":"value106","field107":"value107","field108":"value108"},{"field109":"value109","field110":"value110","field111":"value111","field112":"value112","field113":"value113","field114":"value114","field115":"value115","field116":"value116"},{"field117":"value117","field118":"value118","field119":"value119","field120":"value120","field121":"value121","field122":"value122","field123":"value123","field124":"value124"},{"field125":"value125","field126":"value126","field127":"value127","field128":"value128","field129":"value129","field130":"value130","field131":"value131","field132":"value132"},{"field133":"value133","field134":"value134","field135":"value135","field136":"value136","field137":"value137","field138":"value138","field139":"value139","field140":"value140"},{"field141":"value141","field142":"value142","field143":"value143","field144":"value144","field145":"value145","field146":"value146","field147":"value147","field148":"value148"},{"field149":"value149","field150":"value150","field151":"value151","field152":"value152","field153":"value153","field154":"value154","field155":"value155","field156":"value156"},{"field157":"value157","field158":"value158","field159":"value159","field160":"value160","field161":"value161","field162":"value162","field163":"value163","field164":"value164"},{"field165":"value165","field166":"value166","field167":"value167","field168":"value168","field169":"value169","field170":"value170","field171":"value171","field172":"value172"}

POST_2-clean.json.txt

{"id":"409","field2":"value2","code":"EG","title":"My Registry Title","field5":"value5","field6":"value6","field7":"value7","field8":"value8","field9":"value9","field10":"value10","field11":"value11","field12":"value12","field13":"value13","field14":"value14","field15":"value15","field16":"value16","field17":"value17","field18":"value18","field19":"value19","field20":"value20","field21":"value21","field22":"value22","field23":"value23","field24":"value24","field25":"value25","field26":"value26","field27":"value27","field28":"value28"},{"field29":"value29","field30":"value30","field31":"value31","field32":"value32","field33":"value33","field34":"value34","field35":"value35","field36":"value36"},{"field37":"value37","field38":"value38","field39":"value39","field40":"value40","field41":"value41","field42":"value42","field43":"value43","field44":"value44"},{"field45":"value45","field46":"value46","field47":"value47","field48":"value48","field49":"value49","field50":"value50","field51":"value51","field52":"value52"},{"field53":"value53","field54":"value54","field55":"value55","field56":"value56","field57":"value57","field58":"value58","field59":"value59","field60":"value60"},{"field61":"value61","field62":"value62","field63":"value63","field64":"value64","field65":"value65","field66":"value66","field67":"value67","field68":"value68"},{"field69":"value69","field70":"value70","field71":"value71","field72":"value72","field73":"value73","field74":"value74","field75":"value75","field76":"value76"},{"field77":"value77","field78":"value78","field79":"value79","field80":"value80","field81":"value81","field82":"value82","field83":"value83","field84":"value84"},{"field85":"value85","field86":"value86","field87":"value87","field88":"value88","field89":"value89","field90":"value90","field91":"value91","field92":"value92"},{"field93":"value93","field94":"value94","field95":"value95","field96":"value96","field97":"value97","field98":"value98","field99":"value99","field100":"value100"},{"field101":"value101","field102":"value102","field103":"value103","field104":"value104","field105":"value105","field106":"value106","field107":"value107","field108":"value108"}

simple_POST.php

<?php
/**
 *
 * @package
 */

//we might be getting POSTed json data from the back end sync
if ($_SERVER['REQUEST_METHOD'] == "POST"){
	$json = file_get_contents('php://input');
	if ($json){
		$data = json_decode($json, true);


		/**
			test to see if a straight linear POST works,
			substantially the same code that works in the CPT admin update meta
		**/
		$post_id = wp_insert_post(array (
			'post_type' => 'gwc_registry',
			'post_title' => $data['title'],
			'post_status' => 'publish',
			'comment_status' => 'closed',
			'ping_status' => 'closed'
		));
		/**
		    get_registry_fields() returns a keyed array of all fields
		**/
		$registry_meta_fields = get_registry_fields();
		foreach ($registry_meta_fields as $key => $value){
			$field_meta_key = "registry_" . $key;
			update_post_meta( $post_id, $field_meta_key, $data[ $key ] );
		}
		exit();
	}
}

do_action( 'get_header');
get_template_part('partials/header', '');
?>

<!-- archive page rendering -->

<?php
	do_action( 'get_footer');
	get_template_part('partials/footer', '');