CaffGeek/MBACNationals

<?php
/**
 * WP_Importer base class
 */
class WP_Importer {
    /**
     * Class Constructor
     *
     * @return void
     */
    function __construct() {}

    /**
     * Returns array with imported permalinks from WordPress database
     *
     * @param string $bid
     * @return array
     */
    function get_imported_posts( $importer_name, $bid ) {
        global $wpdb;

        $hashtable = array();

        $limit = 100;
        $offset = 0;

        // Grab all posts in chunks
        do {
            $meta_key = $importer_name . '_' . $bid . '_permalink';
            $sql = $wpdb->prepare( "SELECT post_id, meta_value FROM $wpdb->postmeta WHERE meta_key = '%s' LIMIT %d,%d", $meta_key, $offset, $limit );
            $results = $wpdb->get_results( $sql );

            // Increment offset
            $offset = ( $limit + $offset );

            if ( !empty( $results ) ) {
                foreach ( $results as $r ) {
                    // Set permalinks into array
                    $hashtable[$r->meta_value] = intval( $r->post_id );
                }
            }
        } while ( count( $results ) == $limit );

        // unset to save memory
        unset( $results, $r );

        return $hashtable;
    }

    /**
     * Return count of imported permalinks from WordPress database
     *
     * @param string $bid
     * @return int
     */
    function count_imported_posts( $importer_name, $bid ) {
        global $wpdb;

        $count = 0;

        // Get count of permalinks
        $meta_key = $importer_name . '_' . $bid . '_permalink';
        $sql = $wpdb->prepare( "SELECT COUNT( post_id ) AS cnt FROM $wpdb->postmeta WHERE meta_key = '%s'", $meta_key );

        $result = $wpdb->get_results( $sql );

        if ( !empty( $result ) )
            $count = intval( $result[0]->cnt );

        // unset to save memory
        unset( $results );

        return $count;
    }

    /**
     * Set array with imported comments from WordPress database
     *
     * @param string $bid
     * @return array
     */
    function get_imported_comments( $bid ) {
        global $wpdb;

        $hashtable = array();

        $limit = 100;
        $offset = 0;

        // Grab all comments in chunks
        do {
            $sql = $wpdb->prepare( "SELECT comment_ID, comment_agent FROM $wpdb->comments LIMIT %d,%d", $offset, $limit );
            $results = $wpdb->get_results( $sql );

            // Increment offset
            $offset = ( $limit + $offset );

            if ( !empty( $results ) ) {
                foreach ( $results as $r ) {
                    // Explode comment_agent key
                    list ( $ca_bid, $source_comment_id ) = explode( '-', $r->comment_agent );
                    $source_comment_id = intval( $source_comment_id );

                    // Check if this comment came from this blog
                    if ( $bid == $ca_bid ) {
                        $hashtable[$source_comment_id] = intval( $r->comment_ID );
                    }
                }
            }
        } while ( count( $results ) == $limit );

        // unset to save memory
        unset( $results, $r );

        return $hashtable;
    }

    function set_blog( $blog_id ) {
        if ( is_numeric( $blog_id ) ) {
            $blog_id = (int) $blog_id;
        } else {
            $blog = 'http://' . preg_replace( '#^https?://#', '', $blog_id );
            if ( ( !$parsed = parse_url( $blog ) ) || empty( $parsed['host'] ) ) {
                fwrite( STDERR, "Error: can not determine blog_id from $blog_id\n" );
                exit();
            }
            if ( empty( $parsed['path'] ) )
                $parsed['path'] = '/';
            $blog = get_blog_details( array( 'domain' => $parsed['host'], 'path' => $parsed['path'] ) );
            if ( !$blog ) {
                fwrite( STDERR, "Error: Could not find blog\n" );
                exit();
            }
            $blog_id = (int) $blog->blog_id;
        }

        if ( function_exists( 'is_multisite' ) ) {
            if ( is_multisite() )
                switch_to_blog( $blog_id );
        }

        return $blog_id;
    }

    function set_user( $user_id ) {
        if ( is_numeric( $user_id ) ) {
            $user_id = (int) $user_id;
        } else {
            $user_id = (int) username_exists( $user_id );
        }

        if ( !$user_id || !wp_set_current_user( $user_id ) ) {
            fwrite( STDERR, "Error: can not find user\n" );
            exit();
        }

        return $user_id;
    }

    /**
     * Sort by strlen, longest string first
     *
     * @param string $a
     * @param string $b
     * @return int
     */
    function cmpr_strlen( $a, $b ) {
        return strlen( $b ) - strlen( $a );
    }

    /**
     * GET URL
     *
     * @param string $url
     * @param string $username
     * @param string $password
     * @param bool $head
     * @return array
     */
    function get_page( $url, $username = '', $password = '', $head = false ) {
        // Increase the timeout
        add_filter( 'http_request_timeout', array( $this, 'bump_request_timeout' ) );

        $headers = array();
        $args = array();
        if ( true === $head )
            $args['method'] = 'HEAD';
        if ( !empty( $username ) && !empty( $password ) )
            $headers['Authorization'] = 'Basic ' . base64_encode( "$username:$password" );

        $args['headers'] = $headers;

        return wp_safe_remote_request( $url, $args );
    }

    /**
     * Bump up the request timeout for http requests
     *
     * @param int $val
     * @return int
     */
    function bump_request_timeout( $val ) {
        return 60;
    }

    /**
     * Check if user has exceeded disk quota
     *
     * @return bool
     */
    function is_user_over_quota() {
        if ( function_exists( 'upload_is_user_over_quota' ) ) {
            if ( upload_is_user_over_quota( 1 ) ) {
                echo "Sorry, you have used your upload quota.\n";
                return true;
            }
        }

        return false;
    }

    /**
     * Replace newlines, tabs, and multiple spaces with a single space
     *
     * @param string $string
     * @return string
     */
    function min_whitespace( $string ) {
        return preg_replace( '|[\r\n\t ]+|', ' ', $string );
    }

    /**
     * Reset global variables that grow out of control during imports
     *
     * @return void
     */
    function stop_the_insanity() {
        global $wpdb, $wp_actions;
        // Or define( 'WP_IMPORTING', true );
        $wpdb->queries = array();
        // Reset $wp_actions to keep it from growing out of control
        $wp_actions = array();
    }
}

/**
 * Returns value of command line params.
 * Exits when a required param is not set.
 *
 * @param string $param
 * @param bool $required
 * @return mixed
 */
function get_cli_args( $param, $required = false ) {
    $args = $_SERVER['argv'];

    $out = array();

    $last_arg = null;
    $return = null;

    $il = sizeof( $args );

    for ( $i = 1, $il; $i < $il; $i++ ) {
        if ( (bool) preg_match( "/^--(.+)/", $args[$i], $match ) ) {
            $parts = explode( "=", $match[1] );
            $key = preg_replace( "/[^a-z0-9]+/", "", $parts[0] );

            if ( isset( $parts[1] ) ) {
                $out[$key] = $parts[1];
            } else {
                $out[$key] = true;
            }

            $last_arg = $key;
        } else if ( (bool) preg_match( "/^-([a-zA-Z0-9]+)/", $args[$i], $match ) ) {
            for ( $j = 0, $jl = strlen( $match[1] ); $j < $jl; $j++ ) {
                $key = $match[1]{$j};
                $out[$key] = true;
            }

            $last_arg = $key;
        } else if ( $last_arg !== null ) {
            $out[$last_arg] = $args[$i];
        }
    }

    // Check array for specified param
    if ( isset( $out[$param] ) ) {
        // Set return value
        $return = $out[$param];
    }

    // Check for missing required param
    if ( !isset( $out[$param] ) && $required ) {
        // Display message and exit
        echo "\"$param\" parameter is required but was not specified\n";
        exit();
    }

    return $return;
}