Burn it down: A case study in CMS replatforming

A presentation at LoopConf in February 2018 in Salt Lake City, UT, USA by Peter Wilson

brisbanetimes.com.au August 27, 2017, 8:07pm

brisbanetimes.com.au August 27, 2017, 8:07pm August 27, 2017, 8:08pm

“ It was just another day in the newsroom

“ It was just another day writing content

*/ $must_use_plugins = [
'ffx-options/plugin.php' ,
// Filter get_option calls. /* ... Vendor plugins snipped ... */
'ffx-helpers/plugin.php' ,
// Available during bootstrap.
'ffx-feature-flags/plugin.php' , // Available during bootstrap.
'ffx-api-content/plugin.php' ,
'ffx-api-media/plugin.php' ,
'ffx-roles-capabilities/plugin.php' ,
'ffx-article-editor/plugin.php' ,
'ffx-live-articles/plugin.php' ,
'ffx-notifications/plugin.php' ,
'ffx-shortcake/plugin.php' ,
'ffx-brightcove/plugin.php' ,
'ffx-profiles/plugin.php' ,
'ffx-unpublish/plugin.php' ,
'ffx-wire-feed/plugin.php' ,
'ffx-image-editor/plugin.php' ,
'ffx-taxonomies/plugin.php' ,
'ffx-dashboard/plugin.php' ,
'ffx-publishing/plugin.php' ,
'ffx-tooltips/plugin.php' , ];

The stack Media API Content API C loudinary

SELECT count ( * ) FROM wp_term_taxonomy WHERE taxonomy= 'ffx_tag'

Content API   tags endpoint ! Tags manager

GET 50 tags wp_insert_term( /* Roxie Hart */ ); wp_insert_term( /* Billy Flynn */ ); wp_insert_term( /* Velma Kelly */ ); wp_insert_term( /* x 50 */ ); Content API

Managing terms
makes a lot of   DB queries

wp_insert_term(
'Roxie Hart' ,
'ffx_tags' , [
'slug'
=> 'roxie-hart' ,
'parent' => '105' , ] ); add_term_meta( 23170 , '_ffx_id' , 'h4rt' ); add_term_meta( 23170 , '_ffx_term_meta' , [ /* */ ] );

Check term exists (slug)
SELECT tt.term_id, tt.term_taxonomy_id FROM wp_terms AS t
INNER JOIN wp_term_taxonomy as tt
ON tt.term_id = t.term_id WHERE t.slug = 'roxie-hart '
AND tt.parent = '105'
AND tt.taxonomy = 'ffx_tag' ORDER BY t.term_id ASC LIMIT 1

SELECT tt.term_id, tt.term_taxonomy_id FROM wp_terms AS t
INNER JOIN wp_term_taxonomy as tt
ON tt.term_id = t.term_id
AND tt.parent = '105'
AND tt.taxonomy = 'ffx_tag' ORDER BY t.term_id ASC LIMIT 1

Check if (name) exists with same parent.
SELECT
t. * , tt. * FROM wp_terms AS t
INNER JOIN wp_term_taxonomy AS tt
ON t.term_id = tt.term_id WHERE tt.taxonomy IN ( 'ffx_tag' )
AND t.name IN ( 'Roxie Hart' )
AND tt.parent = '105' ORDER BY t.name ASC

Check slug is unique
SELECT term_id FROM wp_terms as t WHERE t.slug = 'roxie-hart' ORDER BY t.term_id ASC LIMIT 1

Insert the tag
INSERT INTO `wp_terms` (`name`,`slug`,`term_group`) VALUES ( 'Roxie Hart' , 'roxie-hart' , 0 )

Check if the relationship data exists
. SELECT tt.term_taxonomy_id FROM wp_term_taxonomy AS tt
INNER JOIN wp_terms AS t
ON tt.term_id = t.term_id WHERE tt.taxonomy = 'ffx_tag'
AND t.term_id = 23170

Actually insert the relationship data.
INSERT INTO `wp_term_taxonomy`   ( `term_id`, `taxonomy`,
`description`, `parent`, `count`
) VALUES ( 23170 , 'ffx_tag' , '' , 105 , 0 )

Logic check for duplicates.
SELECT t.term_id, tt.term_taxonomy_id FROM wp_terms t
INNER JOIN wp_term_taxonomy tt
ON ( tt.term_id = t.term_id ) WHERE t.slug = 'roxie-hart'
AND tt.parent = 105
AND tt.taxonomy = 'ffx_tag'
AND t.term_id < 23170
AND tt.term_taxonomy_id != 23170

Warm term meta cache
SELECT term_id, meta_key, meta_value FROM wp_term
Check for meta key inserting
SELECT meta_id FROM wp_termmeta WHERE meta_key =
Insert the meta key
INSERT INTO `wp_termmeta` (`term_id`, `meta_key`,

Delete term hierarchy option
DELETE FROM `wp_options` WHERE `option_name` = 'ffx_tag_children'
Get term hierarchy option (for reasons)
SELECT option_value FROM wp_options WHERE option_name = 'ffx_tag_children' LIMIT 1
Select
all terms in the taxonomy to work out hierarchy SELECT
t.term_id, tt.parent, tt.count, tt.taxonomy FROM wp_terms AS t
INNER
Warm the term meta cache for all (a bug)
SELECT term_id, meta_key, meta_value FROM wp_termmeta WHERE term_id IN ( 95 ,
Update the term hierarchy option
INSERT INTO `wp_options` (`option_name`, `option_value`, `autoload`)

// Get the total number of pages. $total_pages = get_total_pages(); for ( $page
1 ; $page <= $total_pages ; $page ++ ) {
// Get all the tags we need to process on the current page.
$tags = get_tags_from_api( $page );
// Schedule a single event to create or update terms.
wp_schedule_single_event(
time () + ( 10 * $page * MINUTE_IN_SECONDS ),
'ffx_import_some_terms_action' ,
$tags
); }

Complex sites need scheduled tasks & asynchronous processing. Meet Cavalcade: A #WordPress jobs processing solution   humanmade.com /cavalcade Human Made @ humanmadeltd 5:31 AM - 30 May 2017

We were so focused on the database , we forgot about HTTP

wp-cron.php Ta g s A P I Saved as cron job

That’s what we forgot HTTP requests time out Prairie Kittin, flic.kr/p/a4Ujpv

update_option( 'cron' , [ /* ... */ ] );

update_option( 'cron' , [ /* ... */ ] ); wp_insert_term(
'Roxie Hart' ,
'ffx_tags' , [
'slug'
=> 'roxie-hart' ,
'parent' => '105' , ] ); add_term_meta( 23170 , '_ffx_id' , 'h4rt' ); add_term_meta( 23170 , '_ffx_term_meta' , [ /* */ ] );

update_option( 'cron' , [ /* ... */ ] ); wp_insert_term(
'Roxie Hart' ,
'ffx_tags' , [
'slug'
=> 'roxie-hart' ,
'parent' => '105' , ] ); add_term_meta( 23170 , '_ffx_id' , 'h4rt' ); add_term_meta( 23170 , '_ffx_term_meta' , [ /* */ ] ); wp_insert_term(
'Roxie Hart' ,
'ffx_tags' , [
'slug'
=> 'roxie-hart' ,
'parent' => '105' , ] ); add_term_meta( 23170 , '_ffx_id' , 'h4rt' ); add_term_meta( 23170 , '_ffx_term_meta' , [ /* */ ] );

/**
Register hooks for WordPress. */ add_filter( 'pre_update_option_cron' , 'update_cron_array' , 10 , 2 ); add_filter( 'pre_option_cron' ,
'get_cron_array' );

// Get the total number of pages. $total_pages = get_total_pages(); for ( $page
1 ; $page <= $total_pages ; $page ++ ) {
// Set the arguments needed to process the current page.
$args = [ 'page' => $page , 'qty' => 50 ];
// Schedule a single event to create or update terms.
wp_schedule_single_event(
time (), // Schedule all pages NOW!
'ffx_import_tags_cron' ,
$args
); }

// Update the scheduling lock. update_option( TAGS_SCHEDULING_LOCK_OPTION , time () ); // Get the total number of pages. $total_pages = get_total_pages(); for ( $page
1 ; $page <= $total_pages ; $page ++ ) {
// Set the arguments needed to process the current page.
$args = [ 'page' => $page , 'qty' => 50 ];
// Schedule a single event to create or update terms.
wp_schedule_single_event(
time (), // Schedule all pages NOW!

// Schedule a single event to create or update terms.
wp_schedule_single_event(
time (), // Schedule all pages NOW!
'ffx_import_tags_cron' ,
$args
); } // Delete the scheduling lock. delete_option( TAGS_SCHEDULING_LOCK_OPTION ); update_option( TAGS_SCHEDULED_LOCK_OPTION , time () );

[11] Worker shutting down... [11] Worker out:
[11] Worker err:
[11] Worker ret: 0 [12] Worker status: Array ( [command] => wp cavalcade run 12 [pid] => 57 [running] =>
[signaled] =>
[stopped] =>
[exitcode] => 0 [termsig] => 0 [stopsig] => 0 ) 2018-01-27T01:09:22.458320545Z
[12] Worker shutting down... [12] Worker out:
[12] Worker err:
[12] Worker ret: 0 [14] Running wp cavalcade run 14 (ffx/taxonomies/term_importer/import_tags_cron a:1:{i:0;a:5:{s:8:"tag_type";s:4:"tags";s:10:"total_tags";i:23032;s:4:"size";i:50;s:5:"pages";i:461;s:4:"page";i:1;}}) [14] Started worker [15] Running wp cavalcade run 15 (ffx/taxonomies/term_importer/import_tags_cron a:1:{i:0;a:5:{s:8:"tag_type";s:4:"tags";s:10:"total_tags";i:23032;s:4:"size";i:50;s:5:"pages";i:461;s:4:"page";i:2;}}) [15] Started worker [16] Running wp cavalcade run 16 (ffx/taxonomies/term_importer/import_tags_cron a:1:{i:0;a:5:{s:8:"tag_type";s:4:"tags";s:10:"total_tags";i:23032;s:4:"size";i:50;s:5:"pages";i:461;s:4:"page";i:3;}}) [16] Started worker [ ] Out of workers [ ] Out of workers [ ] Out of workers [ ] Out of workers [14] Worker status: Array (

wp_insert_term( /* Roxie Hart */ ); wp_insert_term( /* Billy Flynn */ ); wp_insert_term( /* Velma Kelly */ ); wp_insert_term( /* x 50 */ ); GET 50 tags Content API "

wp_insert_term( /* Roxie Hart */ ); wp_insert_term( /* Billy Flynn */ ); wp_insert_term( /* Velma Kelly */ ); wp_insert_term( /* x 50 */ ); " GET 50 tags Content API " GET 50 tags Content API " GET 50 tags Content API " GET 50 tags Content API wp_insert_term( /* Roxie Hart */ ); wp_insert_term( /* Billy Flynn */ ); wp_insert_term( /* Velma Kelly */ ); wp_insert_term( /* x 50 */ ); wp_insert_term( /* Roxie Hart */ ); wp_insert_term( /* Billy Flynn */ ); wp_insert_term( /* Velma Kelly */ ); wp_insert_term( /* x 50 */ ); wp_insert_term( /* Roxie Hart */ ); wp_insert_term( /* Billy Flynn */ ); wp_insert_term( /* Velma Kelly */ ); wp_insert_term( /* x 50 */ );

Update the term
hierarchy
cache
(
335KB at 23K tags )
Delete term hierarchy option DELETE FROM `wp_options` WHERE `option_name` = 'ffx_tag_children' # Get term hierarchy option (for reasons) SELECT option_value FROM wp_options WHERE option_name = 'ffx_tag_children' # Select all terms in the taxonomy to work out hierarchy SELECT t.term_id, tt.parent, tt.count, tt.taxonomy FROM wp_terms AS t INNER # Warm the term meta cache for all (a bug) SELECT term_id, meta_key, meta_value FROM wp_termmeta WHERE term_id IN ( 95 # Update the term hierarchy cache ( 335KB at 23K tags) INSERT INTO `wp_options` (`option_name`, `option_value`, `autoload`)

function import_tags( $taxonomy , $tags ) {
/*
Disable term cache additions to speed up
the import, see comments in CMS-1175. */
wp_suspend_cache_addition( true );
foreach ( $tags [ $taxonomy ] as $tag ) { wp_insert_term( /* $tag */ ); update_term_meta( /* tag meta 1 */ ); update_term_meta( /* tag meta 2 */ ); } }

Read Cache Read Cache Read Cache Read Cache Write cache Write cache Write cache Write cache

Global crops happens on upload, calculated

defined by user, not by system Unpredictable   file names deh-logo.jpg

Same database images and articles share a db table

POST http://cms-authoring-local/wp/wp-admin/async-upload.php - action : upload-attachment

add_action( 'admin_init' , 'ajax_upload_attachment' , 0 ); /**
Ajax handler for uploading attachments
Uploads from the media library are handled  
by `async-upload.php`.
We can't override the hook so intercept `admin_init`. */ function ajax_upload_attachment() {
// Only intercept the upload-attachment action.
if ( ! isset ( $_POST [ 'action' ] ) ||
'upload-attachment' !== $_POST [ 'action' ] ) {
return ;

Uploads from the media library are handled  
by `async-upload.php`.
We can't override the hook so intercept `admin_init`. */ function ajax_upload_attachment() {
// Only intercept the upload-attachment action.
if ( ! isset ( $_POST [ 'action' ] ) ||
'upload-attachment' !== $_POST [ 'action' ] ) {
return ; }
// Duplicate core functionality.
wp_die(); }

{
'altText' :
'' ,
'description' :
'' ,
'caption' :
'' ,
'credit' :
'' ,
'keywords' :
'' ,
'sha1' :
'7e51b009bf0e9097a1fd6ba339a78b6181cbde0c' ,
'source' :
'' ,
'source_system_name' : 'wordpress' ,
'fileDataURI' :
'data:image/jpeg;base64,/9j/4AAQSkZJRgABAQEASABIAAD/2wBDAAUGBgcJBwoLCwoNDg0ODRMSEBASEx0V...' }

return ; }
// Duplicate core functionality.
$schema = Image_Schema\get_image_schema( $image , true );
wp_remote_request(
'https://api-media/v0/images' ,
[
'method'
=> 'POST' ,
'headers' => [
'content-type' => 'application/json' ,
],
'body' => $schema ,
'timeout' => 10 ,
]
); wp_delete_post( $image_id , true );

wp_remote_request(
'https://api-media/v0/images' ,
[
'method'
=> 'POST' ,
'headers' => [
'content-type' => 'application/json' ,
],
'body' => $schema ,
'timeout' => 10 ,
]
); wp_delete_post( $image_id , true );
wp_die(); }

{
"success" : true ,
"data" : [ { "id" : 4424 /* ... */ }, { "id" : 4333 /* ... */ }, { "id" : 4332 /* ... */ }, { "id" : 4330 /* ... */ }, { "id" : 4327 /* ... */ }, { "id" : 4323 /* ... */ }, { "id" : 4321 /* ... */ }, { "id" : 4317 /* ... */ }, { "id" : 4315 /* ... */ }, { "id" : 4312 /* ... */ } ] } /wp-admin/admin-ajax.php?action= query-attachments

{
"id" :
4424 ,
"filename" :
"deh-logo.jpg" ,
"url" :
"https://pwcc.cc/wp-content/uploads/2018/02/deh-logo.jpg" ,
"alt" :
"" ,
"description" :
"" ,
"caption" :
"" ,
"name" :
"deh-logo" ,
"dateFormatted" : "February 8, 2018" ,
"mime" :
"image/jpeg" ,
"type" :
"image" ,
"subtype" :
"jpeg" ,
"sizes" : {
"thumbnail" : {},
"medium" : {},
"large" : {},
"full" : {}

{
"altText" :
"Plaster casts from Dear Evan Hansen." ,
"caption" :
"The props department creates a new plaster cast for Dear Evan Hansen each night. It" ,
"dateCreated" : "2018-02-07T23:07:57.191Z" ,
"credit" :
"Internet" ,
"description" : "Plaster casts Evan wears in Dear Evan Hansen." ,
"id" :
"78b576d29756c0f06ca5a1c450f4cf84bb69e8de" ,
"keywords" :
"" ,
"source" :
"Internet" }

/**
Bootstrap the library replacement. */ function bootstrap() { add_action( 'wp_ajax_query-attachments' , 'ajax_query_attachments' , 0 ); add_action( 'wp_ajax_get-attachment' ,
'ajax_get_attachment' ,
0 ); }

static.ffx.io /bd0d64a85c59655b815776ae46c3d14be7a6098e

static.ffx.io/images/ t_resize_wp_admin /t_quality_best,f_auto/ …

…/images/ $width_357,$height_201 /t_quality_best,f_auto/ …

…/ $multiply_3,$zoom_0.35,$ratio_1.8,$width_357,$x_600,$y_180 / …

add_image_size( 'square1x1' ,
200 , 200 , true ); add_image_size( 'landscape3x2' ,
300 , 200 , true ); add_image_size( 'landscape16x9' , 357 , 201 , true ); add_image_size( 'portrait2x3' ,
200 , 300 , true );

add_filter(
'intermediate_image_sizes_advanced' ,
/* sizes generated */
'__return_empty_array'
/* [] - none */ );

get_attachment( 'al4n4b3ck' ); is_int ( 'al4n4b3ck' );

get_attachment( 'al4n4b3ck' ); is_int ( 'al4n4b3ck' );
false

/**
Retrieve attachment meta field for attachment ID.
This matches the signature of `wp_get_attachment_metadata()`
modified for use with the Media API.
@param
string $attachment_id Attachment ID. Default ''. * @param
bool $unfiltered True: filters are not run.
`Default false.`
@return mixed Attachment meta field.
`False on failure.`
*/ function get_attachment_metadata( /* ... */ ) { }

var_dump ( wp_get_attachment_metadata() ); Array ( [ width ] => 2400 , [ height ] => 1559 , [ file ] => '2018/02/you-will-be-found.jpg' , [ sizes ] => Array ( [ square1x1 ] => Array ( width, height, file ), [ landscape3x2 ] => Array ( width, height, file ), [ landscape16x9 ] => Array ( width, height, file ), [ portrait2x3 ] => Array ( width, height, file ), [ etc ] => Array (width, height, file),
) )

var_dump ( API_Media\get_attachment_metadata() ); Array ( [ width ] => 2400 , [ height ] => 1559 , [ file ] => 'bd0d64a85c59655b815776ae46c3d14be7a6098e' , [ url ] => 'http://static.ffx.io/bd0d64a85c59655b81…98e' , [ sizes ] => Array ( [ square1x1 ] => Array ( width, height, file, url ), [ landscape3x2 ] => Array ( width, height, file, url ), [ landscape16x9 ] => Array ( width, height, file, url ), [ portrait2x3 ] => Array ( width, height, file, url ), [ etc ] => Array (width, height, file, url),
) )

API_Media\get_attachment_metadata( 'bd0d64...98e' ); API_Media\get_attachment( 'bd0d64...98e' ); API_Media\get_attachment_url( 'bd0d64...98e' );

{
"id" :
"bd0d64a85c59655b815776ae46c3d14be7a6098e" ,
"filename" :
"bd0d64a85c59655b815776ae46c3d14be7a6098e" ,
"url" :
"https://static.ffx.io/bd0d64a85c59655b815776ae46c3d14be7a6098e.jpg" ,
"alt" :
"The Dear Evan Hansen cast perform You Will Be Found" ,
"description" :
"Dear Evan Hansen cast perform You Will Be Found, the emotional first act climax of Dear Evan Hansen" ,
"caption" :
"Dear Evan Hansen cast perform You Will Be Found, the emotional first act climax of Dear Evan Hansen" ,
"name" :
"bd0d64a85c59655b815776ae46c3d14be7a6098e" ,
"dateFormatted" : "February 8, 2018 09:02am" ,
"mime" :
"image/jpeg" ,
"type" :
"image" ,
"subtype" :
"jpeg" ,
"sizes" : {
"square1x1" : {},
"landscape3x2" : {},
"landscape16x9" : {},
"thumbnail" : {}

Not numeric That’s new These names have changed { "id" : "bd0d64a85c59655b815776ae46c3d14be7a6098e" , "filename" : "bd0d64a85c59655b815776ae46c3d14be7a6098e" , "url" : "https://static.ffx.io/bd0d64a85c59655b815776ae46c3d14be7a6098e.jpg" "alt" : "The Dear Evan Hansen cast perform You Will Be Found" , "description" : "Dear Evan Hansen cast perform You Will Be Found, the emotional first act climax of Dear Evan Hansen" "caption" : "Dear Evan Hansen cast perform You Will Be Found, the emotional first act climax of Dear Evan Hansen" "name" : "bd0d64a85c59655b815776ae46c3d14be7a6098e" , "dateFormatted" : "February 8, 2018 09:02am" , "mime" : "image/jpeg" , "type" : "image" , "subtype" : "jpeg" , "sizes" : { “thumbnail" : {}, "landscape3x2" : {}, "landscape16x9" : {}, "thumbnail" : {}

wp.media.view ○ Attachment ○ AttachmentCompat ○ AttachmentFilters ○ Attachments ○ AttachmentsBrowser ○ AudioDetails ○ Button ○ ButtonGroup ○ Cropper ○ DateFilter ○ EditImage ○ EditorUploader ○ Embed ○ EmbedImage ○ EmbedLink ○ EmbedUrl ○ FocusManager ○ Frame ○ Iframe ○ ImageDetails ○ Label ○ MediaDetails ○ MediaFrame ○ Menu ○ MenuItem ○ Modal ○ PriorityList ○ Router ○ RouterItem ○ Search ○ Selection ○ Settings ○ Sidebar ○ SiteIconCropper ○ SiteIconPreview ○ Spinner ○ Toolbar ○ UploaderInline ○ UploaderStatus ○ UploaderStatusError ○ UploaderWindow ○ VideoDetails

Inherited from WordPress ○ 42 views ○ 6 models ○ 19 collections

Inherited from WordPress ○ 42 views ○ 6 models ○ 19 collections
Underscore
Backbone $ jQuery

/* Models */ wp . media . model .Attachment = require ( './models/attachment' ); wp . media . model . Attachments
require ( './models/attachments' ); /* Views */ wp . media . view . Attachment . Library
require ( './views/attachment/library' ); wp . media . view . Attachment . Details
require ( './views/attachment/details' ); wp . media . view . Attachment . Selection
require ( './views/attachment/selection' ); wp . media . view . Settings . AttachmentDisplay
require ( './views/settings/attachment-display' ); wp . media . view . MediaFrame . Post
require ( './views/frame/post' ); /* Misc */ wp . media . query
require ( './query' );

/**
wp.media.query
We're overriding this because we need to use our custom
Attachment model and collection . */ module . exports
function ( props = {} ) {
return new Attachments ( null , {
props : _ . extend (
_ . defaults ( props, { orderby : 'date' , order : 'DESC' } ), { query : true } ) } ); };

/**
wp.media.view.Attachment.Library
We're overriding this to use our custom template for images . */ module . exports = Library . extend ( {
template : function () {
const prefix = ( this . model . get ( 'type' ) === 'image' ) ? 'ffx-' : '' ;
const template
wp . template ( `${ prefix } attachment` );
return template . apply ( this , arguments ); } } );

A heavy touch server side   A lighter touch client side

/**
CropPreview Model
@class
@augments Backbone.Model */ module . exports
Backbone . Model . extend ( {
defaults : {
id : '' ,
url : '' ,
attachment_id : '' ,
autoCrop : true ,
fileName : '' ,
aspect : '' ,
originalWidth : 0 ,
cropWidth : 0 ,
// Attributes below should not saved.
imageUrl : '' ,

[ img id= "f23d41a8ebf536a52eca254e1bb44d996cf21d25"
altText= "..." caption= "..." credit= "..."
source= "..." description= "..."
aspect= "1.5" cropWidth= "300" autoCrop= "false"  
offsetX= "-374.3478" offsetY= "-85.9782"  
zoom= "0.3062" ][/ img ]

// We don't need this, we have
// the Publish Box of the Future™! remove_meta_box(
'submitdiv' ,
'post' ,
'side' );

// T he Publish Box of the Future™! add_meta_box(
'ffx-submitdiv' , __( 'Save & Publish' , 'ffx' ),
**NAMESPACE** . ' \ the_loading_icon' , [ 'post' ],
'side' ,
'high' );

AJAX everything avoid full page refreshes

register_rest_field(
'post' ,
'ffx_writeoff' , [
'get_callback'
=> **NAMESPACE** . ' \ get_writeoff' ,
'update_callback' => **NAMESPACE** . ' \ set_writeoff' ,
'schema'
=> [
'description' => __( 'Article writeoff' , 'ffx' ),
'type'
=> 'string' , ], ] );

register_rest_field(
'post' ,
'ffx_private' , [
'get_callback'
=> **NAMESPACE** . ' \ get_privacy' ,
'update_callback' => **NAMESPACE** . ' \ set_privacy' ,
'schema'
=> [
'description' => __( 'Fairfax Visibility' , 'ffx' ),
'type'
=> 'boolean' , ], ] );

Inherited from WordPress
Underscore
Backbone $ jQuery

Inherited from WordPress
Underscore
Backbone $ jQuery % WordPress REST API client library

The Post model ○ author ○ categories ○ comment_status ○ content ○ date ○ date_gmt ○ excerpt ○ featured_media ○ ffx-legal-status ○ ffx-post-state ○ ffx-sources ○ ffx-tags ○ ffx_advertisements ○ ffx_advertiser_logo ○ ffx_advertiser_name ○ ffx_article_tool ○ ffx_authors ○ ffx_bespoke_url ○ ffx_brief ○ ffx_collab_authors ○ ffx_collab_editor ○ ffx_collab_watchers ○ ffx_comments ○ ffx_comments_open ○ ffx_commercial_content_ty pe ○ ffx_correction ○ ffx_correction_text ○ ffx_format ○ ffx_identifier ○ ffx_in_numbers ○ ffx_in_numbers_title ○ ffx_index_headline ○ ffx_intro ○ ffx_label ○ ffx_last_updated ○ ffx_major_update ○ ffx_misc_update ○ ffx_off_time ○ ffx_primary_tag ○ ffx_private ○ ffx_seo_description ○ ffx_seo_news_keywords ○ ffx_seo_noindex ○ ffx_seo_title ○ ffx_slack_channel ○ ffx_sponsor ○ ffx_sports_score ○ ffx_syndication ○ ffx_talking_points ○ ffx_talking_points_live_title ○ ffx_talking_points_title ○ ffx_url ○ ffx_url_content ○ ffx_url_slug ○ ffx_why_it_matters ○ ffx_writeoff ○ format ○ id ○ meta ○ password ○ ping_status ○ slug ○ status ○ sticky ○ template ○ title

wp.api.models.Post.prototype.args.ffx_private
  { required:
false , description: "Fairfax Visibility." , type:
"boolean" }

wp_insert_post ○ update post content % create new revision ○ update taxonomies ○ update meta data

Update via REST API ○ update post content & create new revision ○ update taxonomies ○ update meta data

add_filter( 'rest_pre_dispatch' , 'move_revision_callback' , 10 , 3 ); /** Move the 'wp_save_post_revision' callback for REST requests. */ function move_revision_callback( $result , $unused , $request ) {
/* SNIP: Check for post update request */ // Move default `wp_save_post_revision` callback.
remove_action( 'post_updated' , 'wp_save_post_revision' , 10 ); add_action( 'rest_request_after_callbacks' , 'wp_save_post_revision' );
return $result ; // Support other filters. }

add_filter( 'rest_request_after_callbacks' , 'reset_revision_cb' ); /** Reset 'wp_save_post_revision' after REST requests. */ function reset_revision_cb( $response ) {
// Move default `wp_save_post_revision` callback.
add_action( 'post_updated' , 'wp_save_post_revision' , 10 );
return $response ; // Support other filters. }

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“ My job is code review and fooling myself that today I really will pick up a ticket. Me

Slides and white paper
○
pwcc.cc/go/loop2018 Thank you

Peter Wilson
@peterwilsoncc

1 / 194

A case study of a major media company using WordPress as an enterprise grade CMS. We will cover how improved media editing, editorial workflow, and an API first process can take WordPress beyond its blogging stereotype.

Video

Buzz and feedback

Here’s what was said about this presentation on social media.

First post-lunch talk at #LoopConf: "Burn it down: A case study in CMS replatforming" w/ @pwcc pic.twitter.com/Jeb1CXpkOE
— Steve Rudolfi (@SteveRudolfi) February 23, 2018
One of my other very smart colleagues, @pwcc, is now sharing about the project we worked on for @FairfaxMedia. See our white paper at https://t.co/8VJOBgEx9K pic.twitter.com/4AiKf8CFv3
— Joe McGill (@joemcgill) February 23, 2018
Listening to @pwcc speak about scaling WordPress for an enterprise-level news website with over 23,000 tags (aka 460 pages of tags). I love hearing about #WordPress at scale. #loopconf
— Shawn Hooper (@ShawnHooper) February 23, 2018
I'll need to check this out:

WP Cavalcade is a scalable job system, designed as a drop-in replacement for WordPress's built-in pseudo-cron system from @humanmadeltd. https://t.co/tH7ODZUXsx #loopconf @pwcc
— Shawn Hooper (@ShawnHooper) February 23, 2018
Afternoon talk by @pwcc on “BURN IT DOWN: A CASE STUDY IN CMS REPLATFORMING” @loopconf — lots of info here! 🔥🔥🔥 pic.twitter.com/rdQWn8LyDs
— Chris Wagoner ⚡️ (@chrisjwagoner) February 23, 2018
My fantastic colleague @pwcc presented at #LoopConf on re-platforming Fairfax Media to WordPress at enterprise scale. Read the case study: https://t.co/7jsW1o75s8 pic.twitter.com/gfauLmbpww
— K. Adam White (@kadamwhite) February 23, 2018

Burn it down: A case study in CMS replatforming

Check term exists (slug)

C h e c k t e r m e x i s t s ( n a m e ) W H E R E t . n a m e

Check if (name) exists with same parent.

Check slug is unique

Insert the tag

Check if the relationship data exists

Actually insert the relationship data.

Logic check for duplicates.

Warm term meta cache

Check for meta key inserting

Insert the meta key

Delete term hierarchy option

Get term hierarchy option (for reasons)

Select

Warm the term meta cache for all (a bug)

Update the term hierarchy option

// Get the total number of pages. $total_pages = get_total_pages(); for ( $page

// Get the total number of pages. $total_pages = get_total_pages(); for ( $page

// Get the total number of pages. $total_pages = get_total_pages(); for ( $page

// Get the total number of pages. $total_pages = get_total_pages(); for ( $page

// Get the total number of pages. $total_pages = get_total_pages(); for ( $page

// Update the scheduling lock. update_option( TAGS_SCHEDULING_LOCK_OPTION , time () ); // Get the total number of pages. $total_pages = get_total_pages(); for ( $page

Delete term hierarchy option

Get term hierarchy option (for reasons)

Select

Warm the term meta cache for all (a bug)

Update the term hierarchy cache (

Update the term

hierarchy

(

/* Models */ wp . media . model .Attachment = require ( './models/attachment' ); wp . media . model . Attachments

require ( './models/attachments' ); /* Views */ wp . media . view . Attachment . Library

require ( './views/attachment/library' ); wp . media . view . Attachment . Details

require ( './views/attachment/details' ); wp . media . view . Attachment . Selection

require ( './views/attachment/selection' ); wp . media . view . Settings . AttachmentDisplay

require ( './views/settings/attachment-display' ); wp . media . view . MediaFrame . Post

require ( './views/frame/post' ); /* Misc */ wp . media . query

/* Models */ wp . media . model .Attachment = require ( './models/attachment' ); wp . media . model . Attachments

require ( './models/attachments' ); /* Views */ wp . media . view . Attachment . Library

require ( './views/attachment/library' ); wp . media . view . Attachment . Details

require ( './views/attachment/details' ); wp . media . view . Attachment . Selection

require ( './views/attachment/selection' ); wp . media . view . Settings . AttachmentDisplay

require ( './views/settings/attachment-display' ); wp . media . view . MediaFrame . Post

require ( './views/frame/post' ); /* Misc */ wp . media . query

/* Models */ wp . media . model .Attachment = require ( './models/attachment' ); wp . media . model . Attachments

require ( './models/attachments' ); /* Views */ wp . media . view . Attachment . Library

require ( './views/attachment/library' ); wp . media . view . Attachment . Details

require ( './views/attachment/details' ); wp . media . view . Attachment . Selection

require ( './views/attachment/selection' ); wp . media . view . Settings . AttachmentDisplay

require ( './views/settings/attachment-display' ); wp . media . view . MediaFrame . Post

require ( './views/frame/post' ); /* Misc */ wp . media . query

/* Models */ wp . media . model .Attachment = require ( './models/attachment' ); wp . media . model . Attachments

require ( './models/attachments' ); /* Views */ wp . media . view . Attachment . Library

require ( './views/attachment/library' ); wp . media . view . Attachment . Details

require ( './views/attachment/details' ); wp . media . view . Attachment . Selection

require ( './views/attachment/selection' ); wp . media . view . Settings . AttachmentDisplay

require ( './views/settings/attachment-display' ); wp . media . view . MediaFrame . Post

require ( './views/frame/post' ); /* Misc */ wp . media . query

/* Models */ wp . media . model .Attachment = require ( './models/attachment' ); wp . media . model . Attachments

require ( './models/attachments' ); /* Views */ wp . media . view . Attachment . Library

require ( './views/attachment/library' ); wp . media . view . Attachment . Details

require ( './views/attachment/details' ); wp . media . view . Attachment . Selection

require ( './views/attachment/selection' ); wp . media . view . Settings . AttachmentDisplay

require ( './views/settings/attachment-display' ); wp . media . view . MediaFrame . Post

require ( './views/frame/post' ); /* Misc */ wp . media . query

Attachment model and collection . */ module . exports

Attachment model and collection . */ module . exports

const template

const template

@augments Backbone.Model */ module . exports

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