class-pluginactivation.php

<?php
/**
 * Logic activates / deactivates the plugin.
 *
 * @package compeer-matching-plugin
 */

namespace ScorpioTek;

class PluginActivation {

	private $hook_name;
	private $frequency;
	private $file_base;

	public function __construct( $caller_file_name, $hook_name, $frequency ) {
		$this->set_hook_name( $hook_name );
		$this->set_frequency( $frequency );
		$this->set_file_base( plugin_dir_path( dirname( __FILE__ ) ) . $caller_file_name );
	}

	public static function get_instance( $caller_file_name, $hook_name, $frequency ) {
		static $plugin;
		if ( ! isset( $plugin ) ) {
			$plugin = new PluginActivation( $caller_file_name, $hook_name, $frequency );
		}
		return $plugin;
	}

	public function init() {
			\register_activation_hook( $this->get_file_base(), array( $this, 'activate_plugin' ) );
			\register_deactivation_hook( $this->get_file_base(), array( $this, 'deactivate_plugin' ) );
	}

	public function activate_plugin() {
		$hook_name = $this->get_hook_name();
		if ( WP_DEBUG ) {
			error_log( "Hook to activate {$hook_name} plugin invoked, will try to set up the cron event." );
		}
		if ( ! wp_next_scheduled( $hook_name ) ) {
			$result = wp_schedule_event( time(), $this->get_frequency(), $hook_name );
			if ( WP_DEBUG ) {
				if ( true === $result ) {
					error_log( "Cron task with name {$hook_name} successfully scheduled." );
				} else {
					error_log( "Cron task with name {$hook_name} was not scheduled." );
				}
			}
		} else {
			if ( WP_DEBUG ) {
				error_log( "Hook {$hook_name} was already scheduled to run, no need to schedule the event." );
			}
		}
	}

	public function deactivate_plugin() {
		wp_clear_scheduled_hook( $this->get_hook_name() );
	}

	public function set_cron_callback( $class_instance, $callback_name ) {
		$hook_name = $this->get_hook_name();
		if ( method_exists( $class_instance, $callback_name ) ) {
			add_action( $this->get_hook_name(), array( $class_instance, $callback_name ) );
			if ( WP_DEBUG ) {
				error_log( "Callback function {$callback_name} was successfully set for hook {$hook_name}." );
			}
		} else {
			if ( WP_DEBUG ) {
				error_log( "Callback function {$callback_name} was NOT set for hook {$hook_name}." );
			}
		}
	}

	/**
	 * Setter for the hook_name property.
	 *
	 * @param string $hook_name the new value of the hook_name property.
	 */
	public function set_hook_name( $hook_name ) {
		$this->hook_name = $hook_name;
		return $this->get_hook_name();
	}
	/**
	 * Getter for the hook_name property.
	 *
	 * @return string - the value of the hook_name property.
	 */
	public function get_hook_name() {
		return $this->hook_name;
	}

	/**
	 * Setter for the frequency property.
	 *
	 * @param string $frequency the new value of the frequency property.
	 */
	public function set_frequency( $frequency ) {
		$this->frequency = $frequency;
		return $this->get_frequency();
	}
	/**
	 * Getter for the frequency property.
	 *
	 * @return string - the value of the frequency property.
	 */
	public function get_frequency() {
		return $this->frequency;
	}

	/**
	 * Setter for the file_base property.
	 *
	 * @param string $file_base the new value of the file_base property.
	 */
	public function set_file_base( $file_base ) {
		$this->file_base = $file_base;
		return $this->get_file_base();
	}
	/**
	 * Getter for the file_base property.
	 *
	 * @return string - the value of the file_base property.
	 */
	public function get_file_base() {
		return $this->file_base;
	}
}