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<?php
/**
* Core functionality for Airstory.
*
* @package Airstory.
*/
namespace Airstory\Core;
use Airstory;
use Airstory\Tools as Tools;
use WP_Query;
/**
* Retrieve an existing post based on Airstory project and document IDs.
*
* Since we're tracking the original project and document IDs, we can prevent multiple copies of
* the same post from being made by cross-referencing these values with post meta.
*
* @param string $project_id The Airstory project UUID.
* @param string $document_id The Airstory document UUID.
* @return int Either the ID of a NON-published post with those IDs or 0 if no such post exists.
*/
function get_current_draft( $project_id, $document_id ) {
$defaults = array(
'post_type' => 'post',
'post_status' => array( 'draft', 'pending' ),
'no_found_rows' => true,
'update_term_meta_cache' => false,
'fields' => 'ids',
'posts_per_page' => 1,
'orderby' => 'date',
'order' => 'ASC',
'meta_query' => array(
array(
'key' => '_airstory_project_id',
'value' => $project_id,
),
array(
'key' => '_airstory_document_id',
'value' => $document_id,
),
),
);
/**
* Filters the WP_Query arguments used to determine if a post has already been imported (as a
* draft) into WordPress.
*
* @param array $query_args WP_Query arguments to find a matching draft.
* @param array $defaults Default WP_Query arguments, for reference; the $query_args array will
* be merged with the defaults via wp_parse_args().
*/
$query_args = (array) apply_filters( 'airstory_get_current_draft', array(), $defaults );
$query = new WP_Query( wp_parse_args( $query_args, $defaults ) );
return empty( $query->posts ) ? 0 : (int) current( $query->posts );
}
/**
* Deactivate the plugin and notify the user if the plugin doesn't meet requirements.
*
* @global $pagenow
*/
function check_for_missing_requirements() {
global $pagenow;
// Only show this warning on the plugin page.
if ( 'plugins.php' !== $pagenow ) {
return;
}
// No worries if everything checks out.
$compatibility = Tools\check_compatibility();
if ( $compatibility['compatible'] ) {
return;
}
// Display a notice, informing the user why the plugin was deactivated.
add_action( 'admin_notices', __NAMESPACE__ . '\notify_user_of_missing_requirements' );
}
add_action( 'admin_init', __NAMESPACE__ . '\check_for_missing_requirements' );
/**
* Notify the user of missing plugin requirements and direct them to more detailed information.
*/
function notify_user_of_missing_requirements() {
// phpcs:disable Generic.WhiteSpace.ScopeIndent
?>
<div class="notice notice-warning">
<p><?php esc_html_e( 'The Airstory plugin is missing one or more of its dependencies, so it\'s not yet available to users on this site.', 'airstory' ); ?></p>
<p>
<?php
echo wp_kses_post(
sprintf(
/* Translators: %1$s is the URL of the Tools > Airstory page. */
__( 'For more information, <a href="%1$s" target="_blank">please see the Airstory Tools page</a>.', 'airstory' ),
esc_url( admin_url( 'tools.php?page=airstory' ) )
)
);
?>
</p>
</div>
<?php
// phpcs:enable Generic.WhiteSpace.ScopeIndent
}
/**
* Given an Airstory project and document UUIDs, call out to the Airstory API and assemble a
* WordPress post.
*
* @param Airstory\API $api An instance of the Airstory API class.
* @param string $project_id The Airstory project UUID.
* @param string $document_id The Airstory document UUID.
* @param int $author_id Optional. The user ID to attribute the post to. Default is the
* current user.
* @return int|WP_Error The ID of the newly-created post or a WP_Error object if anything went
* wrong during the creation of the post.
*/
function create_document( Airstory\API $api, $project_id, $document_id, $author_id = null ) {
$document = $api->get_document( $project_id, $document_id );
// Something went wrong getting metadata about the document.
if ( is_wp_error( $document ) ) {
return $document;
}
// Begin assembling the post.
$post = array(
'post_title' => sanitize_text_field( $document->title ),
'post_author' => (int) $author_id,
'post_status' => 'draft',
'post_type' => 'post',
'post_content' => '',
);
// Next, retrieve the post content.
$contents = $api->get_document_content( $project_id, $document_id );
// Unable to retrieve the rendered content.
if ( is_wp_error( $contents ) ) {
return $contents;
}
/**
* Filters the Airstory document content before inserting it into the wp_insert_post() array.
*
* @param string $document The compiled, HTML response from Airstory.
*/
$contents = apply_filters( 'airstory_before_insert_content', $contents );
$post['post_content'] = wp_kses_post( $contents );
/**
* Filter arguments for new posts from Airstory before they're inserted into the database.
*
* @see wp_insert_post()
*
* @param array $post An array of arguments for wp_insert_post().
*/
$post = apply_filters( 'airstory_before_insert_post', $post );
// Finally, insert the post.
$post_id = wp_insert_post( (array) $post, true );
if ( is_wp_error( $post_id ) ) {
return $post_id;
}
// Store the Airstory project and document IDs in post meta.
add_post_meta( $post_id, '_airstory_project_id', sanitize_text_field( $project_id ), true );
add_post_meta( $post_id, '_airstory_document_id', sanitize_text_field( $document_id ), true );
/**
* Fires after an Airstory post has been successfully inserted into WordPress.
*
* @param int $post_id The ID of the newly-created post.
*/
do_action( 'airstory_import_post', $post_id );
return $post_id;
}
/**
* Given an Airstory project and document UUIDs, call out to the Airstory API and assemble a
* WordPress post.
*
* @param Airstory\API $api An instance of the Airstory API class.
* @param string $project_id The Airstory project UUID.
* @param string $document_id The Airstory document UUID.
* @param int $post_id The ID of the post that already exists within WordPress.
* @return int|WP_Error The ID of the newly-created post or a WP_Error object if anything went
* wrong during the updating of the post.
*/
function update_document( Airstory\API $api, $project_id, $document_id, $post_id ) {
$contents = $api->get_document_content( $project_id, $document_id );
// Unable to retrieve the rendered content.
if ( is_wp_error( $contents ) ) {
return $contents;
}
/** This filter is defined in includes/core.php. */
$contents = apply_filters( 'airstory_before_insert_content', $contents );
$post = array(
'ID' => $post_id,
'post_content' => wp_kses_post( $contents ),
);
/** This filter is defined in includes/core.php. */
$post = apply_filters( 'airstory_before_insert_post', $post );
// Finally, insert the post.
$post_id = wp_update_post( $post );
if ( is_wp_error( $post_id ) ) {
return $post_id;
}
/**
* Fires after an Airstory post has been successfully updated within WordPress.
*
* @param int $post_id The ID of the updated post.
*/
do_action( 'airstory_update_post', $post_id );
return $post_id;
}