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<?php
/**
* Handles the SharedCount integration and count grabbing.
*
* Class MonsterInsights_SharedCount
*/
class MonsterInsights_SharedCount {
/**
* The action used to schedule daily events.
*
* @var string
*/
public $cron_key = 'monsterinsights_sharedcount_daily_update';
/**
* Index progress key.
*
* @var string
*/
public static $progress_key = 'monsterinsights_sharedcount_index_progress';
/**
* Index progress.
*
* @var array
*/
public static $progress;
/**
* The error message from the api call.
*
* @var string
*/
public $error;
/**
* The API endpoint.
*
* @var string
*/
private $endpoint = 'https://api.sharedcount.com/v1.0/';
/**
* The API key to use for the requests.
*
* @var string
*/
private $api_key;
/**
* If the current query needs to run again.
*
* @var bool
*/
private $more_pages = false;
/**
* MonsterInsights_SharedCount constructor.
*/
public function __construct() {
add_action( 'wp_ajax_monsterinsights_sharedcount_start_indexing', array( $this, 'ajax_start_indexing' ) );
add_action( 'wp_ajax_monsterinsights_sharedcount_get_index_progress', array(
$this,
'ajax_get_index_progress'
) );
add_action( 'monsterinsights_sharedcount_get_more_posts', array( $this, 'get_more_counts' ) );
add_action( 'monsterinsights_sharedcount_bulk_grab', array( $this, 'grab_and_store_bulk_by_id' ), 10, 2 );
add_action( $this->cron_key, array( $this, 'daily_cron_update' ) );
}
/**
* AJAX handler from the Vue app that checks if the API key is set and handles
* an error message from the SharedCount API call. If the first call is successful it will schedule
* a daily cron to keep the counts fresh.
*/
public function ajax_start_indexing() {
check_ajax_referer( 'mi-admin-nonce', 'nonce' );
if ( ! current_user_can( 'monsterinsights_save_settings' ) ) {
return;
}
if ( $this->get_api_key() ) {
if ( $this->start_posts_count() ) {
$this->schedule_daily_update();
wp_send_json_success( array(
'max_pages' => $this->more_pages,
) );
} else {
wp_send_json_error( array(
'message' => $this->error,
) );
}
}
// No API key, let's send an error message.
wp_send_json_error( array(
'message' => esc_html__( 'The SharedCount API key is not set', 'google-analytics-for-wordpress' ),
) );
}
/**
* Get the API key.
*
* @return string
*/
public function get_api_key() {
if ( empty( $this->api_key ) ) {
$this->api_key = monsterinsights_get_option( 'sharedcount_key' );
}
return $this->api_key;
}
/**
* Start a grabbing process that will schedule events to grab more pages if needed.
*
* @return bool
*/
public function start_posts_count() {
return $this->get_more_counts( 1 );
}
/**
* Handler for the scheduled event to grab more data for sites with large number of posts.
* This is also used by the first call and uses the return value to determine if an error was encountered.
* The error gets set in the $error property and used for display.
*
* @param int $page The page number to grab counts for.
*
* @return bool
*/
public function get_more_counts( $page ) {
$urls = $this->get_post_urls( $page );
$urls_as_keys = $this->urls_as_keys( $urls );
if ( $this->use_bulk_api() ) {
$bulk_request = $this->post_bulk_urls( $urls );
if ( $bulk_request && ! empty( $bulk_request['bulk_id'] ) ) {
$this->grab_and_store_bulk_by_id( $bulk_request['bulk_id'], $urls_as_keys );
} else {
return false;
}
} else {
$store_counts = $this->grab_counts_one_by_one( $urls );
if ( ! $store_counts ) {
// Error encountered, return error.
return false;
}
}
$this->save_progress( $page, $this->more_pages );
if ( $this->more_pages ) {
$page ++;
$this->schedule_next_page( $page );
}
return true;
}
/**
* Save the current indexing progress.
*
* @param int $page The current page.
* @param int $max_pages The total number of pages.
*/
public function save_progress( $page, $max_pages ) {
update_option( self::$progress_key, array(
'page' => $page,
'max_pages' => $max_pages,
), false );
}
/**
* Reset the progress option. Used for when the cron is disabled.
*/
public function reset_progress() {
delete_option( self::$progress_key );
}
/**
* Use WP_Query to get a list of URLs to query SharedCount for share data.
*
* @param int $page The page number.
*
* @return array
*/
public function get_post_urls( $page = 1 ) {
$posts_args = array(
'posts_per_page' => 100, // Don't try to load more than 500 posts at once.
'fields' => 'ids', // Load just the ids.
'paged' => $page,
'suppress_filters' => true, // phpcs:ignore -- Avoid loading additional functionality from other plugins/theme.
);
$posts_query = new WP_Query( $posts_args );
$urls = array();
if ( $posts_query->have_posts() ) {
while ( $posts_query->have_posts() ) {
$posts_query->the_post();
$urls[ get_the_ID() ] = get_permalink( get_the_ID() );
}
}
if ( $posts_query->max_num_pages > $page ) {
$this->more_pages = $posts_query->max_num_pages;
} else {
$this->more_pages = false;
}
wp_reset_postdata();
return $urls;
}
/**
* Use URLs as array keys to make it easier to match with the post id.
*
* @param array $urls The urls with post ids as keys.
*
* @return array
*/
public function urls_as_keys( $urls ) {
$urls_as_keys = array();
foreach ( $urls as $id => $url ) {
$urls_as_keys[ $url ] = $id;
}
return $urls_as_keys;
}
/**
* Helper method for using the bulk API. Disabled by default as the free api doesn't have access to it.
* This can be used by large sites to use less requests to the SharedCount API and grab data more efficiently
* if they have a paid license.
*
* @return mixed|void
*/
public function use_bulk_api() {
// Bulk API is not available for free sharedcount accounts so let's set this to off by default.
return apply_filters( 'monsterinsights_sharedcount_use_bulk_api', false );
}
/**
* Use the bulk API method to post data to the SharedCount API.
*
* @param array $urls An array with the URLs to be sent in the bulk request.
*
* @return bool|mixed
*/
public function post_bulk_urls( $urls ) {
$body = implode( "\n", $urls );
$request_url = add_query_arg(
array(
'apikey' => $this->get_api_key(),
),
$this->get_api_url( 'bulk' )
);
$request = wp_remote_post( $request_url, array(
'body' => $body,
) );
$response = wp_remote_retrieve_body( $request );
$parsed_response = json_decode( $response, true );
if ( 200 === wp_remote_retrieve_response_code( $request ) ) {
return $parsed_response;
} else {
$this->handle_api_error( $parsed_response );
return false;
}
}
/**
* Get the API url.
*
* @param string $path The API path to use e.g. "bulk".
*
* @return string
*/
public function get_api_url( $path = '' ) {
// Allow users to override the SharedCount URL if they have a custom URL.
return apply_filters( 'monsterinsights_sharedcount_api_url', $this->endpoint . $path );
}
/**
* Generic handler for error responses from the SharedCount API.
* This uses the $error property to pass the error back for being displayed.
*
* @param array $parsed_response The response object from a SharedCount API call converted to an Array.
*/
public function handle_api_error( $parsed_response ) {
if ( isset( $parsed_response['Error'] ) && isset( $parsed_response['Type'] ) && 'invalid_api_key' === $parsed_response['Type'] ) {
$error = esc_html__( 'The SharedCount API key is invalid', 'google-analytics-for-wordpress' );
} elseif ( ! empty( $parsed_response['quota_exceeded'] ) ) {
$error = $parsed_response['quota_exceeded'];
} else {
$error = isset( $parsed_response['Error'] ) ? $parsed_response['Error'] : esc_html__( 'There was an error grabbing data from SharedCount, please check the API Key', 'google-analytics-for-wordpress' );
}
$this->error = $error;
}
/**
* Attempt to grab bulk data from the API by bulk id, if the bulk request is not completed
* schedule an event to try again in a minute.
*
* @param string $bulk_id The bulk id from the SharedCount bulk post request.
* @param array $urls_as_keys An array of URLs where the keys are the URLs and the values are the post ids.
*/
public function grab_and_store_bulk_by_id( $bulk_id, $urls_as_keys ) {
$bulk_data = $this->get_bulk_data( $bulk_id );
// If the processing for the current bulk id is not completed schedule a single event to try again.
if ( $bulk_data['_meta']['completed'] ) {
$this->store_bulk_data( $bulk_data, $urls_as_keys );
} else {
$this->schedule_bulk_grabbing( $bulk_id, $urls_as_keys );
}
}
/**
* Grab data from the SharedCount API using their Bulk API.
*
* @param string $bulk_id The bulk id from a POST request to the bulk API.
*
* @return bool|mixed
* @see MonsterInsights_SharedCount::post_bulk_urls()
*
*/
public function get_bulk_data( $bulk_id ) {
$request_url = add_query_arg(
array(
'bulk_id' => $bulk_id,
'apikey' => $this->get_api_key(),
),
$this->get_api_url()
);
$request = wp_remote_get( $request_url );
if ( 200 === wp_remote_retrieve_response_code( $request ) ) {
$response = wp_remote_retrieve_body( $request );
$parsed_response = json_decode( $response, true );
return $parsed_response;
} else {
return false;
}
}
/**
* Iterate through the bulk data returned and store it in the post meta.
*
* @param array $bulk_data The bulk data response from the SharedCount API.
* @param array $urls_as_keys An array of URLs where the keys are the URLs and the values are the post ids.
*/
public function store_bulk_data( $bulk_data, $urls_as_keys ) {
if ( ! empty( $bulk_data['data'] ) && is_array( $bulk_data['data'] ) ) {
foreach ( $bulk_data['data'] as $url => $values ) {
$post_id = array_key_exists( $url, $urls_as_keys ) ? $urls_as_keys[ $url ] : false;
if ( $post_id ) {
$this->store_post_counts( $post_id, $values );
}
}
}
}
/**
* Save the post counts response to the post meta.
* The total value is saved separately for querying.
*
* @param int $post_id The post id to save to.
* @param array $values The array of values received from the SharedCount API.
*
* @see MonsterInsights_SharedCount::get_counts_by_url()
*/
public function store_post_counts( $post_id, $values ) {
$total_count = $this->combine_counts( $values );
update_post_meta( $post_id, '_monsterinsights_sharedcount_total', $total_count );
update_post_meta( $post_id, '_monsterinsights_sharedcount_values', $values );
}
/**
* Process a SharedCounts response and compile all counts into one number.
*
* @param array $response Array from decoding the API JSON response.
*
* @return int
*/
public function combine_counts( $response ) {
$total = 0;
if ( ! isset( $response['Error'] ) ) {
foreach ( $response as $count ) {
if ( is_int( $count ) ) {
$total += $count;
} elseif ( is_array( $count ) && isset( $count['share_count'] ) ) {
$total += $count['share_count'];
}
}
}
return $total;
}
/**
* If the bulk request is not completed we need to schedule it to try again later.
*
* @param string $bulk_id The bulk id from the SharedCount bulk post request.
* @param array $urls_as_keys An array of URLs where the keys are the URLs and the values are the post ids.
*
* @see MonsterInsights_SharedCount::post_bulk_urls()
* @see MonsterInsights_SharedCount::grab_and_store_bulk_by_id()
*/
public function schedule_bulk_grabbing( $bulk_id, $urls_as_keys ) {
wp_schedule_single_event( time() + 60, 'monsterinsights_sharedcount_bulk_grab', array(
'bulk_id' => $bulk_id,
'urls' => $urls_as_keys,
) );
}
/**
* The SharedCount Bulk API is not available for free users so we need
* to use multiple calls to the API to grab data.
*
* @param array $urls An array of urls with the post ids as keys.
*
* @return bool
* @see MonsterInsights_SharedCount::get_post_urls()
*
*/
private function grab_counts_one_by_one( $urls ) {
foreach ( $urls as $id => $url ) {
$counts = $this->get_counts_by_url( $url );
if ( $counts ) {
$this->store_post_counts( $id, $counts );
} else {
// Return false to display error message from API request.
return false;
}
}
return true;
}
/**
* Request the SharedCount data from the API by URL.
*
* @param string $url The URL to request data for.
*
* @return bool|mixed
*/
public function get_counts_by_url( $url ) {
$url = apply_filters( 'monsterinsights_sharedcount_url_pre_grab', $url );
$request_url = add_query_arg(
array(
'url' => $url,
'apikey' => $this->get_api_key(),
),
$this->get_api_url()
);
$request = wp_remote_get( $request_url );
$response = wp_remote_retrieve_body( $request );
$parsed_response = json_decode( $response, true );
if ( 200 === wp_remote_retrieve_response_code( $request ) ) {
return $parsed_response;
} else {
$this->handle_api_error( $parsed_response );
return false;
}
}
/**
* Schedule a single event for the next page in the WP Query to be grabbed.
*
* @param int $page The page number.
*/
public function schedule_next_page( $page ) {
wp_schedule_single_event( time() + 60, 'monsterinsights_sharedcount_get_more_posts', array( 'page' => $page ) );
}
/**
* This schedules the daily event with the first one in 24hrs from the current time.
*/
public function schedule_daily_update() {
if ( ! wp_next_scheduled( $this->cron_key ) ) {
wp_schedule_event( time() + DAY_IN_SECONDS, 'daily', $this->cron_key );
}
}
/**
* Cron handler that checks if the sorting method is still set to SharedCount.
* If the sorting method changed, it will disable the daily cron.
*/
public function daily_cron_update() {
$sort_option = monsterinsights_get_option( 'popular_posts_inline_sort', 'comments' );
if ( 'sharedcount' === $sort_option ) {
$this->start_posts_count();
} else {
$this->disable_counts_updates();
}
}
/**
* Disable cron and reset progress.
*/
public function disable_counts_updates() {
// If we are no longer using this option disable the cron.
wp_clear_scheduled_hook( $this->cron_key );
$this->reset_progress();
}
/**
* Get the post counts based on a post id.
* Not used currently.
*
* @param int $post_id The id of the post.
*
* @return bool|mixed
*/
public function get_post_counts( $post_id ) {
$post_url = get_permalink( $post_id );
return $this->combine_counts( $this->get_counts_by_url( $post_url ) );
}
/**
* Get the indexing progress as percent.
*
* @return int
*/
public static function get_index_progress_percent() {
$progress = self::get_index_progress();
if ( ! empty( $progress ) && ! empty( $progress['page'] ) && ! empty( $progress['max_pages'] ) ) {
$progress = 100 / $progress['max_pages'] * $progress['page'];
$progress = floor( $progress );
return $progress;
} elseif ( isset( $progress['max_pages'] ) && false === $progress['max_pages'] ) {
return 100;
}
return 0;
}
/**
* Get the current progress.
*
* @return array
*/
public static function get_index_progress() {
if ( empty( self::$progress ) ) {
self::$progress = get_option( self::$progress_key, array() );
}
return self::$progress;
}
/**
* Get the index progress with ajax.
*/
public function ajax_get_index_progress() {
check_ajax_referer( 'mi-admin-nonce', 'nonce' );
if ( ! current_user_can( 'monsterinsights_save_settings' ) ) {
return;
}
wp_send_json( array(
'progress' => self::get_index_progress_percent(),
) );
}
/**
* Get the top popular posts by SharedCount shares.
*
* @param int $count The number of posts to get.
*
* @return array
*/
public static function query_popular_posts( $count = 5 ) {
$popular_posts_args = array(
'posts_per_page' => $count,
'meta_value' => 'monsterinsights_sharedcount_total',
'orderby' => 'meta_value_num',
'order' => 'DESC',
);
$popular_posts_query = new WP_Query( $popular_posts_args );
$popular_posts = array();
if ( $popular_posts_query->have_posts() ) {
while ( $popular_posts_query->have_posts() ) {
$popular_posts_query->the_post();
$popular_posts[ get_the_ID() ] = array(
'post_title' => get_the_title(),
'permalink' => get_permalink(),
'thumbnail' => get_the_post_thumbnail_url( get_the_ID(), 'medium' ),
);
}
}
wp_reset_postdata();
return $popular_posts;
}
}
new MonsterInsights_SharedCount();