Writing_On_GitHub_Semaphore

Complexity

Total Complexity

5

Size/Duplication

Total Lines	54
Duplicated Lines	0 %

Coupling/Cohesion

Dependencies

0

Test Coverage

Coverage

0%

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	2	1
A	lock()	0	2	1
A	unlock()	0	2	1
A	is_open()	0	6	2

<?php
/**
 * Locks and unlock the import/export process.
 * @package Writing_On_GitHub
 */

/**
 * Class Writing_On_GitHub_Semaphore
 */
class Writing_On_GitHub_Semaphore {

    /**
     * Sempahore's option key.
     */
    const KEY = 'wogh_semaphore_lock';

    /**
     * Option key when semaphore is locked.
     */
    const VALUE_LOCKED = 'yes';

    /**
     * Option key when semaphore is unlocked.
     */
    const VALUE_UNLOCKED = 'no';

    /**
     * Clean up the old values on instantiation.
     */
    public function __construct() {
        delete_option( self::KEY );
    }

    /**
     * Checks if the Semaphore is open.
     *
     * Fails to report it's open if the the Api class can't make a call
     * or the push lock has been enabled.
     *
     * @return bool
     */
    public function is_open() {
        if ( self::VALUE_LOCKED === get_transient( self::KEY ) ) {
            return false;
        }

        return true;
    }

    /**
     * Enables the push lock.
     */
    public function lock() {
        set_transient( self::KEY, self::VALUE_LOCKED, MINUTE_IN_SECONDS );
    }

    /**
     * Disables the push lock.
     */
    public function unlock() {
        set_transient( self::KEY, self::VALUE_UNLOCKED, MINUTE_IN_SECONDS );
    }
}