0x1998 - MANAGER

Düzenlenen Dosya: Manager.php

<?php
/**
 * Copyright (с) Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2022 All Rights Reserved
 *
 * Licensed under CLOUD LINUX LICENSE AGREEMENT
 * https://www.cloudlinux.com/legal/
 */

namespace CloudLinux\SmartAdvice\App\Advice;

use CloudLinux\SmartAdvice\App\Option;
use CloudLinux\SmartAdvice\App\Notice\Model as NoticeModel;

/**
 * Advice manager
 */
class Manager {
	/**
	 * Notification status enabled.
	 */
	const NOTIFICATION_STATUS_ENABLED = 'enabled';

/**
	 * Reminder period in days.
	 */
	const REMINDERS_PERIOD = 30;

/**
	 * Api.
	 *
	 * @var Api
	 */
	private $api;

/**
	 * Option.
	 *
	 * @var Option
	 */
	private $option;

/**
	 * Site home URL.
	 *
	 * @var string
	 */
	private $home = '';

/**
	 * Site domain.
	 *
	 * @var string
	 */
	private $domain = '';

/**
	 * WordPress path.
	 *
	 * @var string
	 */
	private $website = '';

/**
	 * Advices.
	 *
	 * @var array<Model>
	 */
	protected $advices;

/**
	 * User options.
	 *
	 * @var array<string,array>
	 */
	protected $user_options = array();

/**
	 * Constructor.
	 *
	 * @param Api    $api api.
	 * @param Option $option api.
	 */
	public function __construct( Api $api, Option $option ) {
		$this->api     = $api;
		$this->option  = $option;
		$this->advices = $this->cache();
		$this->env();

add_action( 'cl_smart_advice_sync', array( $this, 'sync' ), 10, 1 );
		add_action( 'cl_smart_advice_sync_statuses', array( $this, 'syncStatuses' ), 10, 1 );
		add_action( 'cl_smart_advice_status', array( $this, 'status' ), 10, 2 );
		add_action( 'cl_smart_advice_apply', array( $this, 'apply' ), 10, 2 );
		add_action( 'cl_smart_advice_apply_type', array( $this, 'applyType' ), 10, 2 );
		add_action( 'cl_smart_advice_rollback', array( $this, 'rollback' ), 10, 3 );
		add_action( 'cl_smart_advice_subscription', array( $this, 'subscription' ), 10, 1 );
		add_action( 'cl_smart_advice_email_new_advices', array( $this, 'email_new_advices' ), 10, 1 );
		add_action( 'cl_smart_advice_email_reminders', array( $this, 'email_reminders' ), 10, 0 );
		add_filter( 'cl_smart_advice_js_data', array( $this, 'js_data' ), 10, 1 );

$this->create_cron_jobs();
	}

/**
	 * Maybe create cron event.
	 */
	protected function create_cron_jobs() {
		if ( false === wp_next_scheduled( 'cl_smart_advice_email_reminders' ) ) {
			$timestamp = strtotime( 'today midnight' );
			if ( false !== $timestamp ) {
				wp_schedule_event( $timestamp, 'daily', 'cl_smart_advice_email_reminders' );
			}
		}
	}

/**
	 * Evn info.
	 *
	 * @return void
	 */
	protected function env() {
		$home = $this->home();

$parse = wp_parse_url( $home );

if ( ! is_array( $parse ) ) {
			$parse = array();
		}

$domain = array_key_exists( 'host', $parse ) ? $parse['host'] : '';
		$path   = array_key_exists( 'path', $parse ) ? $parse['path'] : '';

$this->domain  = str_replace( 'www.', '', $domain );
		$this->website = ! empty( $path ) ? $path : '/';
	}

/**
	 * Domain.
	 *
	 * @return string
	 */
	public function domain() {
		return $this->domain;
	}

/**
	 * Website.
	 *
	 * @return string
	 */
	public function website() {
		return $this->website;
	}

/**
	 * Home url.
	 *
	 * @return string
	 */
	public function home() {
		if ( ! empty( $this->home ) ) {
			return $this->home;
		}

if ( defined( 'WP_HOME' ) ) {
			$home = (string) WP_HOME;
		} else {
			$home = (string) get_option( 'home' );
		}

$this->home = $home;

return $this->home;
	}

/**
	 * Api interface.
	 *
	 * @return Api
	 */
	protected function api() {
		return $this->api;
	}

/**
	 * Option instance.
	 *
	 * @return Option
	 */
	protected function option() {
		return $this->option;
	}

/**
	 * Advices array.
	 *
	 * @return array<Model>
	 */
	public function advices() {
		$advices = $this->advices;

uasort(
			$advices,
			function ( $a, $b ) {
				if ( 'review' === $a->status ) {
					return - 1;
				}

return 1;
			}
		);

return $advices;
	}

/**
	 * Get advice by uID.
	 *
	 * @param string $advice_uid Advice uID.
	 * @param bool   $fresh Get fresh data of advice.
	 *
	 * @return ?Model
	 * @since 0.1-6
	 */
	public function get( $advice_uid, $fresh = false ) {
		$advices = $this->advices();

foreach ( $advices as $key => $advice ) {
			if ( (string) $advice->uid() === (string) $advice_uid ) {
				if ( true === $fresh ) {
					$this->setDetails( $advice );
					$this->advices[ $key ] = $advice;
					$this->save();
				}

return $advice;
			}
		}

return null;
	}

/**
	 * Get advice by type.
	 *
	 * @param string $advice_type Advice type.
	 *
	 * @return ?Model
	 * @since 0.1-6
	 */
	public function get_advice_by_type( $advice_type ) {
		$advices = $this->advices();

foreach ( $advices as $advice ) {
			if ( $advice->type === $advice_type ) {
				return $advice;
			}
		}

return null;
	}

/**
	 * Check domain and WordPress path.
	 *
	 * @param array $item data.
	 *
	 * @return boolean
	 */
	protected function checkMetadata( $item ) {
		if ( strtolower( $this->domain() ) !== strtolower( $item['metadata']['domain'] ) ) {
			do_action(
				'cl_smart_advice_set_error',
				E_WARNING,
				'Received wrong advice. Domain mismatch.',
				__FILE__,
				__LINE__,
				array(
					'advice' => $item,
					'domain' => $this->domain(),
				)
			);

return false;
		}

if ( strtolower( $this->website() ) !== strtolower( $item['metadata']['website'] ) ) {
			do_action(
				'cl_smart_advice_set_error',
				E_WARNING,
				'Received wrong advice. Website mismatch.',
				__FILE__,
				__LINE__,
				array(
					'advice'  => $item,
					'website' => $this->website(),
				)
			);

return false;
		}

return true;
	}

/**
	 * Check advice.
	 *
	 * @param array $advice advice.
	 *
	 * @return boolean
	 */
	private function checkAdvice( $advice ) {
		if ( 'outdated' === $advice['status'] ) {
			return false;
		}

return true;
	}

/**
	 * Add or update advice.
	 *
	 * @param array $advice data.
	 *
	 * @return Model
	 */
	private function set( $advice ) {
		$model = new Model();
		$model->fill( $advice );

if ( array_key_exists( $model->uid(), $this->advices() ) ) {
			$model = $this->advices()[ $model->uid() ];
		}

$this->advices[ $model->uid() ] = $model;

return $model;
	}

/**
	 * Sync advice.
	 *
	 * @param array $response advices.
	 *
	 * @return void
	 */
	public function sync( $response ) {
		if ( is_array( $response ) && array_key_exists( 'data', $response ) ) {
			$this->setAdvices( $response );
			$this->notifyNew();
			$this->save();
		} else {
			add_filter( 'cl_smart_advice_sync_failed', '__return_true' );
		}
	}

/**
	 * Set advices.
	 *
	 * @param mixed $response advices.
	 *
	 * @return void
	 */
	public function setAdvices( $response ) {
		$this->advices = array();

$items = array_filter( $response['data'], array( $this, 'checkMetadata' ) );
		foreach ( $items as $item ) {
			$advice = $item['advice'];

$advice['username'] = $item['metadata']['username'];
			foreach ( array( 'created_at', 'updated_at' ) as $key ) {
				$advice[ $key ] = array_key_exists( $key, $item ) ? $item[ $key ] : '';
			}

if ( ! $this->checkAdvice( $advice ) ) {
				continue;
			}

$model = $this->set( $advice );
			$this->setDetails( $model );
		}
	}

/**
	 * Set details.
	 *
	 * @param Model $advice advice.
	 *
	 * @return void
	 */
	public function setDetails( $advice ) {
		if ( true === $advice->is_imunify() ) {
			return;
		}

$json = $this->api()->details( $advice->id );
		if ( ! empty( $json ) ) {
			$details = json_decode( $json, true );
			if (
				is_array( $details ) &&
				array_key_exists( 'data', $details ) &&
				array_key_exists( 'advice', $details['data'] ) &&
				is_array( $details['data']['advice'] )
			) {
				$data = $details['data']['advice'];

if ( isset( $details['data']['created_at'] ) ) {
					$advice->created_at = $details['data']['created_at'];
				}

if ( isset( $details['data']['updated_at'] ) ) {
					$advice->updated_at = $details['data']['updated_at'];
				}

if ( isset( $details['data']['metadata']['username'] ) ) {
					$advice->username = $details['data']['metadata']['username'];
				}

if ( isset( $data['status'] ) ) {
					$advice->status = $data['status'];
				}

if ( isset( $data['description'] ) ) {
					$advice->description = $data['description'];
				}

if ( isset( $data['detailed_description'] ) ) {
					$advice->detailed_description = $data['detailed_description'];
				}

if ( isset( $data['apply_advice_button_text'] ) ) {
					$advice->apply_advice_button_text = $data['apply_advice_button_text'];
				}

if ( isset( $data['upgrade_to_apply_button_text'] ) ) {
					$advice->upgrade_to_apply_button_text = $data['upgrade_to_apply_button_text'];
				}

if ( isset( $data['email_view_advice_text'] ) ) {
					$advice->email_view_advice_text = $data['email_view_advice_text'];
				}

if ( isset( $data['email_subject'] ) ) {
					$advice->email_subject = $data['email_subject'];
				}

$advice->requests = array();
				if ( array_key_exists( 'requests', $data ) && is_array( $data['requests'] ) ) {
					foreach ( $data['requests'] as $request ) {
						$advice->requests[ $request['id'] ] = $request['url'];
					}
				}
			}
		}
	}

/**
	 * Sync statuses.
	 *
	 * @param ?string $advice_uid id.
	 *
	 * @return void
	 */
	public function syncStatuses( $advice_uid = '' ) {
		if ( ! empty( $advice_uid ) ) {
			$this->status( $advice_uid, true );
		} else {
			$advices = $this->advices();

foreach ( $advices as $advice ) {
				$this->status( $advice->uid(), false );
			}

$this->save();
		}
	}

/**
	 * Advice modifier.
	 *
	 * @param string   $advice_uid advice.
	 * @param callable $callback command.
	 * @param bool     $save advice.
	 * @param string   $reason advice rollback reason.
	 *
	 * @return void
	 */
	private function modifier( $advice_uid, $callback, $save = true, $reason = '' ) {
		$advices = $this->advices();

if ( ! array_key_exists( $advice_uid, $advices ) ) {
			do_action( 'cl_smart_advice_notice_add', $advice_uid, NoticeModel::ERROR_ADVICE_NOT_FOUND['type'], array( 'advice_uid' => $advice_uid ) );

return;
		}

$advice = $advices[ $advice_uid ];

if ( is_callable( $callback ) ) {
			$callback( $advice, $reason );
		}

$this->set( $advice->toArray() );

if ( true === $save ) {
			$this->save();
		}
	}

/**
	 * Apply advice, set status pending.
	 *
	 * @param string $advice_uid to apply.
	 * @param bool   $save advices.
	 *
	 * @return void
	 */
	public function apply( $advice_uid, $save = true ) {
		$this->modifier(
			$advice_uid,
			function ( $advice ) {
				if ( true === $advice->is_imunify() ) {
					return;
				}

$json = $this->api()->apply( $advice->id );
				if ( ! $json ) {
					do_action( 'cl_smart_advice_set_error', E_USER_WARNING, 'Advice manager: failed modifier apply for ' . $advice->uid(), __FILE__, __LINE__ );
					do_action( 'cl_smart_advice_notice_add', $advice->uid(), NoticeModel::ERROR_ADVICE_APPLY['type'], array( 'advice_type' => $advice->type ) );
				} else {
					$response = json_decode( $json, true );
					$this->errorHandler( $response, $advice, NoticeModel::ERROR_ADVICE_APPLY['type'] );

$advice->status = 'pending';
				}
			},
			$save
		);
	}

/**
	 * Apply advice by type, set status pending.
	 *
	 * @param string $type to apply.
	 * @param bool   $save advices.
	 *
	 * @return void
	 */
	public function applyType( $type, $save = true ) {
		$advice = current(
			array_filter(
				$this->advices(),
				function ( $advice ) use ( $type ) {
					return strtolower( $advice->type ) === strtolower( $type );
				}
			)
		);

if ( $advice ) {
			$this->apply( $advice->uid(), $save );
		}
	}

/**
	 * Rollback advice, set status pending.
	 *
	 * @param string $advice_uid id.
	 * @param bool   $save advices.
	 * @param string $reason advice rollback reason.
	 *
	 * @return void
	 */
	public function rollback( $advice_uid, $save = true, $reason = '' ) {
		$this->modifier(
			$advice_uid,
			function ( $advice, $reason ) {
				if ( true === $advice->is_imunify() ) {
					return;
				}

$json = $this->api()->rollback( $advice->id, $reason );
				if ( ! $json ) {
					do_action( 'cl_smart_advice_set_error', E_USER_WARNING, 'Advice manager: failed modifier rollback for ' . $advice->uid(), __FILE__, __LINE__ );
					do_action( 'cl_smart_advice_notice_add', $advice->uid(), NoticeModel::ERROR_ADVICE_ROLLBACK['type'], array( 'advice_type' => $advice->type ) );
				} else {
					$response = json_decode( $json, true );
					$this->errorHandler( $response, $advice, NoticeModel::ERROR_ADVICE_ROLLBACK['type'] );

$advice->status = 'pending';
				}
			},
			$save,
			$reason
		);
	}

/**
	 * Subscription advice payment status.
	 *
	 * @param string $advice_uid id.
	 *
	 * @return void
	 */
	public function subscription( $advice_uid ) {
		$advice = $this->get( $advice_uid );
		if ( $advice->is_imunify() ) {
			$advice->status = 'applied';
			$this->set( $advice->toArray() );
			$this->save();
		} else {
			$this->api()->subscription( $advice->id );
		}
	}

/**
	 * Update advice status.
	 *
	 * @param string $advice_uid id.
	 * @param bool   $save advices.
	 *
	 * @return void
	 */
	public function status( $advice_uid, $save = true ) {
		$this->modifier(
			$advice_uid,
			function ( $advice ) {
				if ( true === $advice->is_imunify() ) {
					return;
				}

$json = $this->api()->status( $advice->id );

$response = json_decode( $json, true );
				if ( is_array( $response ) ) {
					if ( array_key_exists( 'status', $response ) ) {
						$advice->status = $response['status'];
					}

if ( array_key_exists( 'total_stages', $response ) ) {
						$advice->total_stages = $response['total_stages'];
					}

if ( array_key_exists( 'completed_stages', $response ) ) {
						$advice->completed_stages = $response['completed_stages'];
					}

if ( array_key_exists( 'subscription', $response ) ) {
						$module_name = ! empty( $advice->module_name ) ? $advice->module_name : strtolower( $advice->type );
						if ( array_key_exists( $module_name, $response['subscription'] ) ) {
							$advice->subscription_status = $response['subscription'][ $module_name ];
						}
					}

if ( array_key_exists( 'upgrade_url', $response ) ) {
						$advice->subscription_upgrade_url = $response['upgrade_url'];
					}

$this->errorHandler( $response, $advice, NoticeModel::ERROR_ADVICE_STATUS['type'] );
				}
			},
			$save
		);
	}

/**
	 * Error handler.
	 *
	 * @param array  $response data.
	 * @param Model  $advice advice.
	 * @param string $error_type type.
	 *
	 * @return void
	 */
	private function errorHandler( $response, $advice, $error_type ) {
		if ( ! is_array( $response ) ) {
			return;
		}

$errors = array();

// Result.
		if ( array_key_exists( 'result', $response ) && 'success' !== $response['result'] ) {
			$context     = array();
			$description = $response['result'];

if ( array_key_exists( 'context', $response ) && is_array( $response['context'] ) ) {
				$context = $response['context'];
			}

$errors[] = $this->errorContext( $description, $context );
		}

// Features.
		$this->errorFeature( $response, $errors );

// Data result.
		if ( array_key_exists( 'data', $response ) && array_key_exists( 'result', $response['data'] ) && 'success' !== $response['data']['result'] ) {
			$context     = array();
			$description = $response['data']['result'];

if ( 'PAYMENT_REQUIRED' !== $description ) {
				if ( array_key_exists( 'context', $response['data'] ) && is_array( $response['data']['context'] ) ) {
					$context = $response['data']['context'];
				}

$errors[] = $this->errorContext( $description, $context );

// Data features.
				if ( array_key_exists( 'feature', $response['data'] ) ) {
					$this->errorFeature( $response['data'], $errors );
				}
			}
		}

// Warning.
		if ( array_key_exists( 'warning', $response ) && ! empty( $response['warning'] ) ) {
			$context     = array();
			$description = $response['warning'];

if ( array_key_exists( 'context', $response ) && is_array( $response['context'] ) ) {
				$context = $response['context'];
			}

$errors[] = $this->errorContext( $description, $context );
		}

$error = implode( PHP_EOL, $errors );

if ( ! empty( $error ) ) {
			do_action(
				'cl_smart_advice_notice_add',
				$advice->uid(),
				$error_type,
				array(
					'advice_type' => $advice->type,
					'description' => $error,
				)
			);
		}
	}

/**
	 * Find error features.
	 *
	 * @param array $response data.
	 * @param array $errors output.
	 *
	 * @return void
	 */
	private function errorFeature( $response, &$errors ) {
		if ( array_key_exists( 'feature', $response ) && array_key_exists( 'issues', $response['feature'] ) && ! empty( $response['feature']['issues'] ) ) {
			foreach ( $response['feature']['issues'] as $issue ) {
				$context      = array();
				$descriptions = array();

if ( array_key_exists( 'header', $issue ) ) {
					$descriptions[] = $issue['header'];
				}

if ( array_key_exists( 'description', $issue ) ) {
					// Too long to show.
					if ( strpos( $issue['description'], 'wp-cli' ) === false ) {
						$descriptions[] = PHP_EOL . $issue['description'];
					}
				}

if ( array_key_exists( 'fix_tip', $issue ) ) {
					$descriptions[] = PHP_EOL . $issue['fix_tip'];
				}

if ( array_key_exists( 'context', $issue ) && is_array( $issue['context'] ) ) {
					$context = $issue['context'];
				}

$description = implode( PHP_EOL, $descriptions );

$errors[] = $this->errorContext( $description, $context );
			}
		}
	}

/**
	 * Error parse.
	 *
	 * @param string $description error string.
	 * @param array  $context context.
	 *
	 * @return string
	 */
	private function errorContext( $description, $context = array() ) {
		$search  = array();
		$replace = array();
		foreach ( $context as $key => $val ) {
			$search[]  = '%(' . $key . ')s';
			$replace[] = $val;
		}

return str_replace( $search, $replace, $description );
	}

/**
	 * All cached advices.
	 *
	 * @return array<Model>
	 */
	private function cache() {
		return $this->option()->get( 'advices', true );
	}

/**
	 * Time sync at.
	 *
	 * @return int|null
	 */
	public function syncAt() {
		return $this->option()->get( 'sync_at' );
	}

/**
	 * Update advices' cache.
	 *
	 * @return void
	 */
	public function save() {
		$advices = $this->advices();

$this->option()->save( 'advices', $advices );
		$this->option()->save( 'sync_at', time() );
	}

/**
	 * Notify if advice is new
	 *
	 * @return void
	 */
	private function notifyNew() {
		$current = array_map(
			function ( $advice ) {
				return $advice->uid();
			},
			$this->cache()
		);

$new = array(
			'awp'     => array(),
			'imunify' => array(),
		);

$advice_uids = array();

array_filter(
			$this->advices(),
			function ( $advice ) use ( &$new, $current, &$advice_uids ) {
				if ( ! in_array( $advice->uid(), $current ) ) {
					if ( $advice->is_imunify() ) {
						$new['imunify'][] = $advice->uid();
					} else {
						$new['awp'][] = $advice->uid();
					}

$advice_uids[] = $advice->uid();

return true;
				}

return true;
			}
		);

if ( ! empty( $new['awp'] ) ) {
			do_action(
				'cl_smart_advice_notice_add',
				NoticeModel::NEW_ADVICES['type'],
				NoticeModel::NEW_ADVICES['type'],
				array(
					'count' => count( $new['awp'] ),
					'list'  => implode( ',', $new['awp'] ),
				)
			);
		}

if ( ! empty( $new['imunify'] ) ) {
			do_action(
				'cl_smart_advice_notice_add',
				NoticeModel::NEW_ADVICES_IMUNIFY['type'],
				NoticeModel::NEW_ADVICES_IMUNIFY['type'],
				array(
					'count' => count( $new['imunify'] ),
					'list'  => implode( ',', $new['imunify'] ),
				)
			);
		}

if ( ! empty( $advice_uids ) ) {
			do_action( 'cl_smart_advice_email_new_advices', $advice_uids );
		}
	}

/**
	 * Get options by user via SmartAdvice api.
	 *
	 * @param string $user name.
	 *
	 * @return array
	 */
	protected function user_options( $user ) {
		if ( ! array_key_exists( $user, $this->user_options ) ) {
			$response = $this->api()->get_options( $user );
			$data     = json_decode( $response, true );
			if ( is_array( $data ) ) {
				$this->user_options[ $user ] = $data;
			} else {
				return array();
			}
		}

return $this->user_options[ $user ];
	}

/**
	 * Notification email status.
	 *
	 * @param string $user name.
	 *
	 * @return string|null
	 */
	public function notifications_email_status( $user ) {
		$data = $this->user_options( $user );

if ( ! isset( $data['notifications']['email_status'] ) ) {
			return null;
		}

return (string) $data['notifications']['email_status'];
	}

/**
	 * Notification email status imunify.
	 *
	 * @param string $user name.
	 *
	 * @return string|null
	 */
	public function notifications_imunify_email_status( $user ) {
		$data = $this->user_options( $user );

if ( ! isset( $data['notifications']['imunify_email_status'] ) ) {
			return null;
		}

return (string) $data['notifications']['imunify_email_status'];
	}

/**
	 * Notification reminders status.
	 *
	 * @param string $user name.
	 *
	 * @return string|null
	 */
	public function notifications_reminders_status( $user ) {
		$data = $this->user_options( $user );

if ( ! isset( $data['notifications']['reminders_status'] ) ) {
			return null;
		}

return (string) $data['notifications']['reminders_status'];
	}

/**
	 * Notification reminders status imunify.
	 *
	 * @param string $user name.
	 *
	 * @return string|null
	 */
	public function notifications_imunify_reminders_status( $user ) {
		$data = $this->user_options( $user );

if ( ! isset( $data['notifications']['imunify_email_status'] ) ) {
			return null;
		}

return (string) $data['notifications']['imunify_email_status'];
	}

/**
	 * Checks if a reminder should be sent for advice.
	 *
	 * @param Model $advice advice.
	 *
	 * @return bool
	 */
	public function is_reminder_needed( $advice ) {
		if ( false === $advice->is_email_available() ) {
			return false;
		}

$timestamp = $this->get_sending_timestamp( $advice->uid() );
		if ( false === $timestamp ) {
			$timestamp = strtotime( $advice->created_at );
		}

$window = DAY_IN_SECONDS * self::REMINDERS_PERIOD;
		if ( defined( 'CL_SMART_ADVICE_REMINDER_WINDOW' ) ) {
			$window = (int) CL_SMART_ADVICE_REMINDER_WINDOW;
		}

if ( time() - $timestamp > $window ) {
			return true;
		}

return false;
	}

/**
	 * Get email sending timestamp.
	 *
	 * @param string $advice_uid Advice uID.
	 *
	 * @return false|int
	 */
	public function get_sending_timestamp( $advice_uid ) {
		/**
		 * All logs.
		 *
		 * @var LogModel[] $items
		 */
		$items = $this->option()->get( 'logs', true );

if ( is_array( $items ) ) {
			foreach ( $items as $item ) {
				if ( 'mailer' === $item->type && (string) $item->id === (string) $advice_uid ) {
					return $item->created_at;
				}
			}
		}

return false;
	}

/**
	 * Send email notifications.
	 *
	 * @param array $uids of advice.
	 *
	 * @return void
	 */
	public function email_new_advices( $uids ) {
		if ( ! is_array( $uids ) || empty( $uids ) ) {
			return;
		}

foreach ( $uids as $key => $uid ) {
			$advice = $this->get( $uid, false );
			unset( $uids[ $key ] );

if ( ! $this->is_email_notifications_enabled( $advice ) ) {
				continue;
			}

// Only one letter.
			do_action( 'cl_smart_advice_email', 'advices', array( 'advice' => $advice ) );
			$this->set_sending_timestamp( $advice, time() );
			break;
		}

if ( ! empty( $uids ) ) {
			wp_schedule_single_event(
				time() + DAY_IN_SECONDS,
				'cl_smart_advice_email_new_advices',
				array( array_values( $uids ) )
			);
		}
	}

/**
	 * Notify if advice is in review status for more than 30 days
	 *
	 * @return void
	 */
	public function email_reminders() {
		$advices = $this->cache();
		foreach ( $advices as $advice ) {
			$advice = $this->get( $advice->uid(), true );
			if ( ! $this->is_email_notifications_enabled( $advice, true ) || ! $this->is_reminder_needed( $advice ) ) {
				continue;
			}

// Only one letter.
			do_action( 'cl_smart_advice_email', 'reminders', array( 'advice' => $advice ) );
			$this->set_sending_timestamp( $advice, time() );
			break;
		}
	}

/**
	 * Is email notifications enabled, globally and with reminders.
	 *
	 * @param ?Model $advice model.
	 * @param bool   $with_reminders with reminders status.
	 *
	 * @return bool
	 */
	public function is_email_notifications_enabled( $advice = null, $with_reminders = false ) {
		if ( is_null( $advice ) ) {
			do_action(
				'cl_smart_advice_set_error',
				E_WARNING,
				'Email notifications are disabled: advice is empty',
				__FILE__,
				__LINE__,
				array(
					'is_reminder' => $with_reminders,
				)
			);

return false;
		}

if ( ! $advice->is_email_available() ) {
			return false;
		}

if ( empty( $advice->username ) ) {
			do_action(
				'cl_smart_advice_set_error',
				E_WARNING,
				'Email notifications are disabled: no username in advice',
				__FILE__,
				__LINE__,
				array(
					'advice_data'   => wp_json_encode( $advice->toArray() ),
					'advice_id'     => $advice->id,
					'advice_type'   => $advice->type,
					'advice_status' => $advice->status,
					'is_reminder'   => $with_reminders,
				)
			);

return false;
		}

if ( $advice->is_imunify() ) {
			$emails_status = $this->notifications_imunify_email_status( $advice->username );
		} else {
			$emails_status = $this->notifications_email_status( $advice->username );
		}
		if ( null === $emails_status ) {
			do_action(
				'cl_smart_advice_set_error',
				E_WARNING,
				'Email notifications are disabled: no emails status in user options',
				__FILE__,
				__LINE__,
				array(
					'advice_id'     => $advice->id,
					'advice_type'   => $advice->type,
					'advice_status' => $advice->status,
					'is_reminder'   => $with_reminders,
				)
			);
		}

if ( self::NOTIFICATION_STATUS_ENABLED !== $emails_status ) {
			return false;
		}

if ( true === $with_reminders ) {
			if ( $advice->is_imunify() ) {
				$reminders_status = $this->notifications_imunify_reminders_status( $advice->username );
			} else {
				$reminders_status = $this->notifications_reminders_status( $advice->username );
			}
			if ( null === $reminders_status ) {
				do_action(
					'cl_smart_advice_set_error',
					E_WARNING,
					'Email notifications are disabled: no reminders status in user options',
					__FILE__,
					__LINE__,
					array(
						'advice_id'     => $advice->id,
						'advice_type'   => $advice->type,
						'advice_status' => $advice->status,
						'is_reminder'   => true,
					)
				);
			}

if ( self::NOTIFICATION_STATUS_ENABLED !== $reminders_status ) {
				return false;
			}
		}

return true;
	}

/**
	 * Has pending advices.
	 *
	 * @return bool
	 */
	public function hasPending() {
		$advices = $this->advices();
		$pending = array_filter(
			$advices,
			function ( $advice ) {
				return 'pending' === $advice->statusUi();
			}
		);

return count( $pending ) > 0;
	}

/**
	 * Get subscription upgrade url.
	 *
	 * @param string $advice_uid id.
	 *
	 * @return false|string
	 */
	public function subscriptionUpgradeUrl( $advice_uid ) {
		$advices = $this->advices();
		if ( array_key_exists( $advice_uid, $advices ) ) {
			$advice = $advices[ $advice_uid ];
			if ( 'no' === $advice->subscription_status ) {
				return $advice->subscriptionUpgradeUrl();
			}
		}

return false;
	}

/**
	 * Need agreement.
	 *
	 * @param string $advice_uid id.
	 *
	 * @return false|string
	 */
	public function agreementType( $advice_uid ) {
		$advices = $this->advices();
		if ( array_key_exists( $advice_uid, $advices ) ) {
			return $advices[ $advice_uid ]->agreementType();
		}

return false;
	}

/**
	 * Plugin compatible.
	 *
	 * @return bool
	 */
	public function compatible() {
		return function_exists( 'stream_socket_client' );
	}

/**
	 * Agreement text.
	 *
	 * @param string $type advice type string, e.g. 'cdn'.
	 *
	 * @return string
	 */
	public function agreementText( $type ) {
		$json = $this->api()->agreement( $type );
		if ( ! empty( $json ) ) {
			$data = json_decode( $json, true );
			if ( is_array( $data ) && array_key_exists( 'text', $data ) ) {
				return $data['text'];
			}
		}

return '';
	}

/**
	 * Save time to send an advice letter.
	 *
	 * @param Model $advice Model.
	 * @param int   $timestamp Timestamp.
	 *
	 * @return void
	 */
	public function set_sending_timestamp( $advice, $timestamp ) {
		$ids = array();

/**
		 * All logs.
		 *
		 * @var LogModel[] $items
		 */
		$items = $this->option()->get( 'logs', true );

if ( ! $items ) {
			$items = array();
		} else {
			foreach ( $items as $key => $item ) {
				$ids[ $item->id ] = $key;
				if ( 'mailer' !== $item->type ) {
					unset( $items[ $key ] );
				}
			}
		}

if ( array_key_exists( $advice->uid(), $ids ) ) {
			$items[ $ids[ $advice->uid() ] ]->created_at = $timestamp;
		} else {
			$items[] = ( new LogModel() )->fill(
				array(
					'id'         => $advice->uid(),
					'type'       => 'mailer',
					'created_at' => $timestamp,
				)
			);
		}

$this->option()->save( 'logs', $items );
	}

/**
	 * Filter admin js data.
	 *
	 * @param array $data for js.
	 *
	 * @return array
	 */
	public function js_data( $data ) {
		$data['advices'] = array();

$advices = $this->cache();
		foreach ( $advices as $advice ) {
			$data['advices'][ $advice->uid() ] = array(
				'id'                     => $advice->id,
				'uid'                    => $advice->uid(),
				'type'                   => $advice->type,
				'module'                 => $advice->module_name,
				'is_analytics_available' => $advice->is_analytics_available(),
			);
		}

return $data;
	}
}

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