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Peter Wilson ○ @pwcc ○ peterwilson.cc
Burn it down: A case study
in CMS replatforming
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brisbanetimes.com.au
August 27, 2017, 8:07pm
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brisbanetimes.com.au
August 27, 2017, 8:07pm
August 27, 2017, 8:08pm
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“
It was just another day
in the newsroom
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“
It was just another day
writing content
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humanmade.com/fairfax-media
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$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',
];
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Reimagining the
tech-stack
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The stack
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The stack
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The stack
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The stack
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The stack
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The stack
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The stack
Media API
Content API
Cloudinary
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Extending WordPress
for enterprise
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Publishing and Workflow
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Media Library
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Taxonomies
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Tagging articles
at scale
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SELECT count(*)
FROM wp_term_taxonomy
WHERE taxonomy='ffx_tag'
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2
2303
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Content API
tags endpoint
! Tags manager
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GET 50 tags
Content API
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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
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Managing terms
makes a lot of
DB queries
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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', [ /* */ ] );
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# 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
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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
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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 term exists (name)
WHERE t.name = 'Roxie Hart'
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# 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
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# 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
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# Insert the tag
INSERT
INTO `wp_terms` (`name`,`slug`,`term_group`)
VALUES ('Roxie Hart', 'roxie-hart', 0)
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Production, Chicago
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# 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
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# Actually insert the relationship data.
INSERT
INTO `wp_term_taxonomy`
( `term_id`, `taxonomy`,
`description`, `parent`, `count`
)
VALUES (23170, 'ffx_tag', '', 105, 0)
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No content
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# 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
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And that’s not all
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# Warm term meta cache
SELECT term_id, meta_key, meta_value FROM wp_ter
# 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`
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# 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 I
# Warm the term meta cache for all (a bug)
SELECT term_id, meta_key, meta_value FROM wp_termmeta WHERE term_id IN (9
# Update the term hierarchy option
INSERT INTO `wp_options` (`option_name`, `option_value`, `autoload`)
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Production, Chicago
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// 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
);
}
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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
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NASA
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NASA
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We were so focused
on the database, we
forgot about HTTP
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wp-cron.php
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wp-cron.php
Tags API
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wp-cron.php
Tags API
Saved as cron job
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wp-cron.php
Tags API
Saved as cron job
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That’s
what we
forgot
HTTP requests time out
Prairie Kittin, flic.kr/p/a4Ujpv
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update_option( 'cron', [ /* ... */ ] );
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update_option( 'cron', [ /* ... */ ] );
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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', [ /* */ ] );
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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', [ /* */ ] );
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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', [ /* */ ] );
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', [ /* */ ] );
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', [ /* */ ] );
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', [ /* */ ] );
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', [ /* */ ] );
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We reverted the
original commit.
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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
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/**
* Register hooks for WordPress.
*/
add_filter( 'pre_update_option_cron', 'update_cron_array', 10, 2
add_filter( 'pre_option_cron', 'get_cron_array' );
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No content
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// 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
);
}
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// 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(), // Schedule all pages NOW!
'ffx_import_some_terms_action',
$tags
);
}
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// 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(), // Schedule all pages NOW!
'ffx_import_some_terms_action',
$tags
);
}
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// 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
);
}
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// 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(
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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() );
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[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_ty
[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_ty
[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_ty
[16] Started worker
[ ] Out of workers
[ ] Out of workers
[ ] Out of workers
[ ] Out of workers
[14] Worker status: Array
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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
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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
"
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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 */ );
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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 */ );
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# 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 I
# Warm the term meta cache for all (a bug)
SELECT term_id, meta_key, meta_value FROM wp_termmeta WHERE term_id IN (9
# Update the term hierarchy cache (335KB at 23K tags)
INSERT INTO `wp_options` (`option_name`, `option_value`, `autoload`)
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# 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 I
# Warm the term meta cache for all (a bug)
SELECT term_id, meta_key, meta_value FROM wp_termmeta WHERE term_id IN (9
# Update the term hierarchy cache (335KB at 23K tags)
INSERT INTO `wp_options` (`option_name`, `option_value`, `autoload`)
# Update the term
# hierarchy cache
# (335KB at 23K tags)
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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 */ );
}
}
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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 */ );
}
}
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Read Cache Read Cache
Read Cache Read Cache
Write cache
Write cache
Write cache
Write cache
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Improving the
media library
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Limited crops
four by default
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Global crops
happens on upload, calculated
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defined by user, not by system
Unpredictable
file names
deh-logo.jpg
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Same database
images and articles share a db table
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The stack
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POST http://cms-authoring-local/wp/wp-admin/async-upload.php
- action: upload-attachment
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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'] ) {
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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'] ) {
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*
* 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();
}
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*
* 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.
}
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{
'altText': '',
'description': '',
'caption': '',
'credit': '',
'keywords': '',
'sha1': '7e51b009bf0e9097a1fd6ba339a78b6181c
'source': '',
'source_system_name': 'wordpress',
'fileDataURI': 'data:image/jpeg;base64,/9j/4AAQSkZJ
}
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}
// 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,
]
);
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wp_remote_request(
'https://api-media/v0/images',
[
'method' => 'POST',
'headers' => [
'content-type' => 'application/json',
],
'body' => $schema,
'timeout' => 10,
]
);
wp_delete_post( $image_id, true );
wp_die();
}
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{
"success": true,
"data": [
{ "id": 4424 /* ... */ },
{ "id": 4333 /* ... */ },
{ "id": 4332 /* ... */ },
{ "id": 4330 /* ... */ },
{ "id": 4327 /* ... */ },
{ "id": 4323 /* ... */ },
{ "id": 4321 /* ... */ },
{ "id": 4317 /* ... */ },
{ "id": 4315 /* ... */ },
{ "id": 4312 /* ... */ }
]
}
/wp-admin/admin-ajax.php?action=query-attachments
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{
"id": 4424,
"filename": "deh-logo.jpg",
"url": "https://pwcc.cc/wp-content/uploads/2018/02/deh-logo.jpg
"alt": "",
"description": "",
"caption": "",
"name": "deh-logo",
"dateFormatted": "February 8, 2018",
"mime": "image/jpeg",
"type": "image",
"subtype": "jpeg",
"sizes": {
"thumbnail": {},
"medium": {},
"large": {},
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{
"altText": "Plaster casts from Dear Evan Hansen.",
"caption": "The props department creates a new plaster cast for Dear
"dateCreated": "2018-02-07T23:07:57.191Z",
"credit": "Internet",
"description": "Plaster casts Evan wears in Dear Evan Hansen.",
"id": "78b576d29756c0f06ca5a1c450f4cf84bb69e8de",
"keywords": "",
"source": "Internet"
}
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/**
* Bootstrap the library replacement.
*/
function bootstrap() {
add_action( 'wp_ajax_query-attachments', 'ajax_query_attachments', 0 );
add_action( 'wp_ajax_get-attachment', 'ajax_get_attachment', 0 );
}
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static.ffx.io/bd0d64a85c59655b815776ae46c3d14be7a6098e
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static.ffx.io/images/t_resize_wp_admin/t_quality_best,f_auto/…
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…/images/$width_357,$height_201/t_quality_best,f_auto/…
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…/$multiply_3,$zoom_0.35,$ratio_1.8,$width_357,$x_600,$y_180/…
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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 );
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A complete
waste of time
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add_filter(
'intermediate_image_sizes_advanced', /* sizes generated */
'__return_empty_array' /* [] - none */
);
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get_attachment( 'al4n4b3ck' );
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get_attachment( 'al4n4b3ck' );
is_int( 'al4n4b3ck' );
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get_attachment( 'al4n4b3ck' );
is_int( 'al4n4b3ck' );
false
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/**
* 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( /* ... */ ) {
}
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> 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),
)
)
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> 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),
)
)
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API_Media\get_attachment_metadata( 'bd0d64...98e' );
API_Media\get_attachment( 'bd0d64...98e' );
API_Media\get_attachment_url( 'bd0d64...98e' );
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{
"id": "bd0d64a85c59655b815776ae46c3d14be7a6098e",
"filename": "bd0d64a85c59655b815776ae46c3d14be7a6098e",
"url": "https://static.ffx.io/bd0d64a85c59655b815776ae46c3d14be
"alt": "The Dear Evan Hansen cast perform You Will Be Found",
"description": "Dear Evan Hansen cast perform You Will Be Found, the em
"caption": "Dear Evan Hansen cast perform You Will Be Found, the em
"name": "bd0d64a85c59655b815776ae46c3d14be7a6098e",
"dateFormatted": "February 8, 2018 09:02am",
"mime": "image/jpeg",
"type": "image",
"subtype": "jpeg",
"sizes": {
"square1x1": {},
"landscape3x2": {},
"landscape16x9": {},
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{
"id": "bd0d64a85c59655b815776ae46c3d14be7a6098e",
"filename": "bd0d64a85c59655b815776ae46c3d14be7a6098e",
"url": "https://static.ffx.io/bd0d64a85c59655b815776ae46c3d14be
"alt": "The Dear Evan Hansen cast perform You Will Be Found",
"description": "Dear Evan Hansen cast perform You Will Be Found, the em
"caption": "Dear Evan Hansen cast perform You Will Be Found, the em
"name": "bd0d64a85c59655b815776ae46c3d14be7a6098e",
"dateFormatted": "February 8, 2018 09:02am",
"mime": "image/jpeg",
"type": "image",
"subtype": "jpeg",
"sizes": {
“thumbnail": {},
"landscape3x2": {},
"landscape16x9": {},
Not numeric
That’s new
These names have changed
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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
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Inherited from WordPress
○ 42 views
○ 6 models
○ 19 collections
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Inherited from WordPress
○ 42 views
○ 6 models
○ 19 collections
# Underscore
# Backbone
$ jQuery
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/* 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/attac
wp.media.view.MediaFrame.Post = require( './views/frame/post' );
/* Misc */
wp.media.query = require( './query' );
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/* 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/attac
wp.media.view.MediaFrame.Post = require( './views/frame/post' );
/* Misc */
wp.media.query = require( './query' );
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/* 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/attac
wp.media.view.MediaFrame.Post = require( './views/frame/post' );
/* Misc */
wp.media.query = require( './query' );
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/* 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/attac
wp.media.view.MediaFrame.Post = require( './views/frame/post' );
/* Misc */
wp.media.query = require( './query' );
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/* 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/attac
wp.media.view.MediaFrame.Post = require( './views/frame/post' );
/* Misc */
wp.media.query = require( './query' );
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/**
* 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 }
)
} );
};
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/**
* 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 }
)
} );
};
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/**
* 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( `${prefix}attachment` );
return template.apply( this, arguments );
}
} );
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/**
* wp.media.view.Attachment.Library
*
* We're overriding this to use our custom template for images.
*/
module.exports = Library.extend( {
template: function () {
const prefix = ( this.model.get( 'type' ) === 'image' ) ? 'ffx-' : '';
const template = wp.template( `${prefix}attachment` );
return template.apply( this, arguments );
}
} );
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A heavy touch server side
A lighter touch client side
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/**
* 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.
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[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]
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Publishing & workflow
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// We don't need this, we have
// the Publish Box of the Future™!
remove_meta_box(
'submitdiv',
'post',
'side'
);
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// The Publish Box of the Future™!
add_meta_box(
'ffx-submitdiv',
__( 'Save & Publish', 'ffx' ),
__NAMESPACE__ . '\\the_loading_icon',
[ 'post' ],
'side',
'high'
);
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AJAX everything
avoid full page refreshes
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register_rest_field(
'post',
'ffx_writeoff',
[
'get_callback' => __NAMESPACE__ . '\\get_writeoff',
'update_callback' => __NAMESPACE__ . '\\set_writeoff',
'schema' => [
'description' => __( 'Article writeoff', 'ffx' ),
'type' => 'string',
],
]
);
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register_rest_field(
'post',
'ffx_writeoff',
[
'get_callback' => __NAMESPACE__ . '\\get_writeoff',
'update_callback' => __NAMESPACE__ . '\\set_writeoff',
'schema' => [
'description' => __( 'Article writeoff', 'ffx' ),
'type' => 'string',
],
]
);
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Sixty-one
custom properties
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register_rest_field(
'post',
'ffx_private',
[
'get_callback' => __NAMESPACE__ . '\\get_privacy',
'update_callback' => __NAMESPACE__ . '\\set_privacy',
'schema' => [
'description' => __( 'Fairfax Visibility', 'ffx' ),
'type' => 'boolean',
],
]
);
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Inherited from WordPress
# Underscore
# Backbone
$ jQuery
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Inherited from WordPress
# Underscore
# Backbone
$ jQuery
% WordPress REST API client library
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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
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> wp.api.models.Post.prototype.args.ffx_private
{
required: false,
description: "Fairfax Visibility.",
type: "boolean"
}
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Post meta of
the past
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wp_insert_post
○ update post content
% create new revision
○ update taxonomies
○ update meta data
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Update via REST API
○ update post content
& create new revision
○ update taxonomies
○ update meta data
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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.
}
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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.
}
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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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The stack
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The stack
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Why WordPress?
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[img id="9550846e3098113e9fe16878fcbc26e23580e8ea" altTex
"body": "",
"bodyPlaceholders": {
"2c62…d2": {
"type": "image",
"data": {
"id": "9550846e3098113e9fe16878fcbc26e23
"caption": "Lin-Manuel Miranda in Hamilton th
"credit": "Production, Hamilton the Musical"
"aspect": 1.5,
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[img id="9550846e3098113e9fe16878fcbc26e23580e8ea" altTex
"body": "",
"bodyPlaceholders": {
"2c62…d2": {
"type": "image",
"data": {
"id": "9550846e3098113e9fe16878fcbc26e23
"caption": "Lin-Manuel Miranda in Hamilton th
"credit": "Production, Hamilton the Musical"
"aspect": 1.5,
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[img id="9550846e3098113e9fe16878fcbc26e23580e8ea" altTex
"body": "",
"bodyPlaceholders": {
"2c62…d2": {
"type": "image",
"data": {
"id": "9550846e3098113e9fe16878fcbc26e23
"caption": "Lin-Manuel Miranda in Hamilton th
"credit": "Production, Hamilton the Musical"
"aspect": 1.5,
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Project retro
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Committers 31
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Commits 11,737
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“
My job is code review and fooling
myself that today I really will pick
up a ticket.
Me
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My guilty secret
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My guilty secret
I
like
code review
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Code review
is productivity
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February 11, 2018
theage.com.au
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February 12, 2018
theage.com.au
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Slides and white paper ○ pwcc.cc/go/loop2018
Thank you