<?php

/**
 * Manages the internal WP-CLI cache,.
 *
 * ## EXAMPLES
 *
 *     # Remove all cached files.
 *     $ wp cli cache clear
 *     Success: Cache cleared.
 *
 *     # Remove all cached files except for the newest version of each one.
 *     $ wp cli cache prune
 *     Success: Cache pruned.
 *
 * @when before_wp_load
 */
class CLI_Cache_Command extends WP_CLI_Command {

    /**
     * Clears the internal cache.
     *
     * ## EXAMPLES
     *
     *     $ wp cli cache clear
     *     Success: Cache cleared.
     *
     * @subcommand clear
     */
    public function cache_clear() {
        $cache = WP_CLI::get_cache();

        if ( ! $cache->is_enabled() ) {
            WP_CLI::error( 'Cache directory does not exist.' );
        }

        $cache->clear();

        WP_CLI::success( 'Cache cleared.' );
    }

    /**
     * Prunes the internal cache.
     *
     * Removes all cached files except for the newest version of each one.
     *
     * ## EXAMPLES
     *
     *     $ wp cli cache prune
     *     Success: Cache pruned.
     *
     * @subcommand prune
     */
    public function cache_prune() {
        $cache = WP_CLI::get_cache();

        if ( ! $cache->is_enabled() ) {
            WP_CLI::error( 'Cache directory does not exist.' );
        }

        $cache->prune();

        WP_CLI::success( 'Cache pruned.' );
    }
}