five-for-the-future/plugins/wporg-5ftf/includes/pledge-meta.php
Corey McKrill 838a490776
Pledge: Count number of confirmed contributors instead of using arbitrary number input (#52)
This will be more accurate and avoid confusion that could arise if the self-reported "Number of Employees Being Sponsored" didn't match the number of confirmed contributors listed on the pledge.

Having that counted number stored in post meta is still useful, though, so this also adds/updates that number for a pledge whenever a Contributor post changes its status.

Fixes #48
2019-10-25 13:39:13 -07:00

414 lines
10 KiB
PHP
Executable file

<?php
/**
* This file handles the operations related to registering and handling pledge meta values for the CPT.
*/
namespace WordPressDotOrg\FiveForTheFuture\PledgeMeta;
use WordPressDotOrg\FiveForTheFuture;
use WordPressDotOrg\FiveForTheFuture\Pledge;
use WordPressDotOrg\FiveForTheFuture\PledgeForm;
use WordPressDotOrg\FiveForTheFuture\Contributor;
use WP_Post, WP_Error;
defined( 'WPINC' ) || die();
const META_PREFIX = FiveForTheFuture\PREFIX . '_';
add_action( 'init', __NAMESPACE__ . '\register_pledge_meta' );
add_action( 'admin_init', __NAMESPACE__ . '\add_meta_boxes' );
add_action( 'save_post', __NAMESPACE__ . '\save_pledge', 10, 2 );
add_action( 'admin_enqueue_scripts', __NAMESPACE__ . '\enqueue_assets' );
add_action( 'transition_post_status', __NAMESPACE__ . '\update_confirmed_contributor_count', 10, 3 );
// Both hooks must be used because `updated` doesn't fire if the post meta didn't previously exist.
add_action( 'updated_postmeta', __NAMESPACE__ . '\update_generated_meta', 10, 4 );
add_action( 'added_post_meta', __NAMESPACE__ . '\update_generated_meta', 10, 4 );
/**
* Define pledge meta fields and their properties.
*
* @return array
*/
function get_pledge_meta_config( $context = '' ) {
$user_input = array(
'org-description' => array(
'single' => true,
'sanitize_callback' => 'sanitize_text_field',
'show_in_rest' => true,
'php_filter' => FILTER_SANITIZE_STRING,
),
'org-name' => array(
'single' => true,
'sanitize_callback' => 'sanitize_text_field',
'show_in_rest' => true,
'php_filter' => FILTER_SANITIZE_STRING,
),
'org-url' => array(
'single' => true,
'sanitize_callback' => 'esc_url_raw',
'show_in_rest' => true,
'php_filter' => FILTER_VALIDATE_URL,
),
'org-pledge-email' => array(
'single' => true,
'sanitize_callback' => 'sanitize_email',
'show_in_rest' => false,
'php_filter' => FILTER_VALIDATE_EMAIL,
),
);
$generated = array(
'org-domain' => array(
'single' => true,
'sanitize_callback' => 'sanitize_text_field',
'show_in_rest' => false,
),
'pledge-email-confirmed' => array(
'single' => true,
'sanitize_callback' => 'wp_validate_boolean',
'show_in_rest' => false,
),
'pledge-confirmed-contributors' => array(
'single' => true,
'sanitize_callback' => 'absint',
'show_in_rest' => false,
),
);
switch ( $context ) {
case 'user_input':
$return = $user_input;
break;
case 'generated':
$return = $generated;
break;
default:
$return = array_merge( $user_input, $generated );
break;
}
return $return;
}
/**
* Register post meta keys for the custom post type.
*
* @return void
*/
function register_pledge_meta() {
$meta = get_pledge_meta_config();
foreach ( $meta as $key => $args ) {
$meta_key = META_PREFIX . $key;
register_post_meta( Pledge\CPT_ID, $meta_key, $args );
}
}
/**
* Adds meta boxes for the custom post type.
*
* @return void
*/
function add_meta_boxes() {
add_meta_box(
'pledge-email',
__( 'Pledge Email', 'wordpressorg' ),
__NAMESPACE__ . '\render_meta_boxes',
Pledge\CPT_ID,
'normal',
'high'
);
add_meta_box(
'org-info',
__( 'Organization Information', 'wordpressorg' ),
__NAMESPACE__ . '\render_meta_boxes',
Pledge\CPT_ID,
'normal',
'high'
);
add_meta_box(
'pledge-contributors',
__( 'Contributors', 'wordpressorg' ),
__NAMESPACE__ . '\render_meta_boxes',
Pledge\CPT_ID,
'normal',
'high'
);
}
/**
* Builds the markup for all meta boxes
*
* @param WP_Post $pledge
* @param array $box
*/
function render_meta_boxes( $pledge, $box ) {
$readonly = ! current_user_can( 'edit_page', $pledge->ID );
$data = array();
foreach ( get_pledge_meta_config() as $key => $config ) {
$data[ $key ] = get_post_meta( $pledge->ID, META_PREFIX . $key, $config['single'] );
}
$contributors = Contributor\get_pledge_contributors( $pledge->ID, 'all' );
echo '<div class="pledge-form">';
switch ( $box['id'] ) {
case 'pledge-email':
require FiveForTheFuture\get_views_path() . 'inputs-pledge-org-email.php';
break;
case 'org-info':
require FiveForTheFuture\get_views_path() . 'inputs-pledge-org-info.php';
break;
case 'pledge-contributors':
require FiveForTheFuture\get_views_path() . 'manage-contributors.php';
break;
}
echo '</div>';
}
/**
* Save the pledge data.
*
* This only fires when the pledge post itself is created or updated.
*
* @param int $pledge_id
* @param WP_Post $pledge
*/
function save_pledge( $pledge_id, $pledge ) {
$get_action = filter_input( INPUT_GET, 'action' );
$post_action = filter_input( INPUT_POST, 'action' );
$ignored_actions = array( 'trash', 'untrash', 'restore' );
/*
* This is only intended to run when the front end form and wp-admin forms are submitted, not when posts are
* programmatically updated.
*/
if ( 'Submit Pledge' !== $post_action && 'editpost' !== $get_action ) {
return;
}
if ( $get_action && in_array( $get_action, $ignored_actions, true ) ) {
return;
}
if ( ! $pledge instanceof WP_Post || Pledge\CPT_ID !== $pledge->post_type ) {
return;
}
if ( ! current_user_can( 'edit_pledge', $pledge_id ) ) {
// todo re-enable once setup cap mapping or whatever.
//return;
}
if ( ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) || 'auto-draft' === $pledge->post_status ) {
return;
}
$submitted_meta = PledgeForm\get_form_submission();
if ( is_wp_error( has_required_pledge_meta( $submitted_meta ) ) ) {
return;
}
save_pledge_meta( $pledge_id, $submitted_meta );
}
/**
* Save the pledge's meta fields.
*
* @param int $pledge_id
* @param array $new_values
*
* @return void
*/
function save_pledge_meta( $pledge_id, $new_values ) {
$config = get_pledge_meta_config();
foreach ( $new_values as $key => $value ) {
if ( array_key_exists( $key, $config ) ) {
$meta_key = META_PREFIX . $key;
// Since the sanitize callback is called during this function, it could still end up
// saving an empty value to the database.
update_post_meta( $pledge_id, $meta_key, $value );
}
}
}
/**
* Updated some generated meta values based on changes in user input meta values.
*
* This is hooked to the `updated_{$meta_type}_meta` action, which only fires if a submitted post meta value
* is different from the previous value. Thus here we assume the values of specific meta keys are changed
* when they come through this function.
*
* @param int $meta_id
* @param int $object_id
* @param string $meta_key
* @param mixed $_meta_value
*
* @return void
*/
function update_generated_meta( $meta_id, $object_id, $meta_key, $_meta_value ) {
$post_type = get_post_type( $object_id );
if ( Pledge\CPT_ID !== $post_type ) {
return;
}
switch ( $meta_key ) {
case META_PREFIX . 'org-name':
if ( 'updated_postmeta' === current_action() ) {
wp_update_post( array(
'post_title' => $_meta_value,
) );
}
break;
case META_PREFIX . 'org-url':
$domain = get_normalized_domain_from_url( $_meta_value );
update_post_meta( $object_id, META_PREFIX . 'org-domain', $domain );
break;
case META_PREFIX . 'pledge-email':
delete_post_meta( $object_id, META_PREFIX . 'pledge-email-confirmed' );
break;
}
}
/**
* Update the cached count of confirmed contributors for a pledge when a contributor post changes statuses.
*
* Note that contributor posts should always be trashed instead of deleted completely when a contributor is
* removed from a pledge.
*
* @param string $new_status
* @param string $old_status
* @param WP_Post $post
*
* @return void
*/
function update_confirmed_contributor_count( $new_status, $old_status, WP_Post $post ) {
if ( Contributor\CPT_ID !== get_post_type( $post ) ) {
return;
}
if ( $new_status === $old_status ) {
return;
}
$pledge = get_post( $post->post_parent );
if ( $pledge instanceof WP_Post ) {
$confirmed_contributors = Contributor\get_pledge_contributors( $pledge->ID, 'publish' );
update_post_meta( $pledge->ID, META_PREFIX . 'pledge-confirmed-contributors', count( $confirmed_contributors ) );
}
}
/**
* Check that an array contains values for all required keys.
*
* @return bool|WP_Error True if all required values are present. Otherwise WP_Error.
*/
function has_required_pledge_meta( array $submission ) {
$error = new WP_Error();
$required = array_keys( get_pledge_meta_config( 'user_input' ) );
foreach ( $required as $key ) {
if ( ! isset( $submission[ $key ] ) || is_null( $submission[ $key ] ) ) {
$error->add(
'required_field_empty',
sprintf(
__( 'The <code>%s</code> field does not have a value.', 'wporg' ),
sanitize_key( $key )
)
);
} elseif ( false === $submission[ $key ] ) {
$error->add(
'required_field_invalid',
sprintf(
__( 'The <code>%s</code> field has an invalid value.', 'wporg' ),
sanitize_key( $key )
)
);
}
}
if ( ! empty( $error->get_error_messages() ) ) {
return $error;
}
return true;
}
/**
* Get the metadata for a given pledge, or a default set if no pledge is provided.
*
* @param int $pledge_id
* @param string $context
* @return array Pledge data
*/
function get_pledge_meta( $pledge_id = 0, $context = '' ) {
// Get existing pledge, if it exists.
$pledge = get_post( $pledge_id );
$keys = get_pledge_meta_config( $context );
$meta = array();
// Get POST'd submission, if it exists.
$submission = PledgeForm\get_form_submission();
foreach ( $keys as $key => $config ) {
if ( isset( $submission[ $key ] ) ) {
$meta[ $key ] = $submission[ $key ];
} elseif ( $pledge instanceof WP_Post ) {
$meta_key = META_PREFIX . $key;
$meta[ $key ] = get_post_meta( $pledge->ID, $meta_key, true );
} else {
$meta[ $key ] = $config['default'] ?: '';
}
}
return $meta;
}
/**
* Isolate the domain from a given URL and remove the `www.` if necessary.
*
* @param string $url
*
* @return string
*/
function get_normalized_domain_from_url( $url ) {
$domain = wp_parse_url( $url, PHP_URL_HOST );
$domain = preg_replace( '#^www\.#', '', $domain );
return $domain;
}
/**
* Enqueue CSS file for admin page.
*
* @return void
*/
function enqueue_assets() {
$ver = filemtime( FiveForTheFuture\PATH . '/assets/css/admin.css' );
wp_register_style( '5ftf-admin', plugins_url( 'assets/css/admin.css', __DIR__ ), [], $ver );
$current_page = get_current_screen();
if ( Pledge\CPT_ID === $current_page->id ) {
wp_enqueue_style( '5ftf-admin' );
}
}