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✏️ Editing: sitepress-setup.class.php

<?php
class SitePress_Setup {
	static function setup_complete() {
		global $sitepress;

return $sitepress->get_setting( 'setup_complete' );
	}

static function languages_complete() {
		return self::active_languages_complete() && self::languages_table_is_complete();
	}

private static function active_languages_complete() {
		static $result = null;

if ( $result === null ) {
			global $sitepress;

$result = $sitepress && 1 < count( $sitepress->get_active_languages() );
		}

return $result;
	}

/**
	 * @return array
	 */
	private static function get_languages_codes() {
		static $languages_codes = array();
		if ( ! $languages_codes ) {
			$languages_codes = icl_get_languages_codes();
		}

return $languages_codes;
	}

/**
	 * @return array
	 */
	private static function get_languages_names() {
		static $languages_names = array();
		if ( ! $languages_names ) {
			$languages_names = icl_get_languages_names();
		}

return $languages_names;
	}

private static function get_languages_names_count() {
		return count( self::get_languages_names() );
	}

static function get_charset_collate() {
		static $charset_collate = null;

if ( $charset_collate == null ) {
			$charset_collate = '';
			global $wpdb;
			if ( method_exists( $wpdb, 'has_cap' ) && $wpdb->has_cap( 'collation' ) ) {
				$schema  = wpml_get_upgrade_schema();
				$charset = $schema->get_default_charset();
				$collate = $schema->get_default_collate();

if ( $charset ) {
					$charset_collate = "DEFAULT CHARACTER SET $charset";
				}

if ( $collate ) {
					$charset_collate .= " COLLATE $collate";
				}
			}
		}

return $charset_collate;
	}

private static function create_languages() {
		$sql = "( `id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY ,
					  `code` VARCHAR( 7 ) NOT NULL ,
					  `english_name` VARCHAR( 128 ) NOT NULL ,
					  `major` TINYINT NOT NULL DEFAULT '0',
					  `active` TINYINT NOT NULL ,
					  `default_locale` VARCHAR( 35 ),
					  `tag` VARCHAR( 35 ),
					  `encode_url` TINYINT( 1 ) NOT NULL DEFAULT 0,
					  `country` VARCHAR(10) NULL DEFAULT NULL,
					  UNIQUE KEY `code` (`code`),
					  UNIQUE KEY `english_name` (`english_name`)
				  ) ";

return self::create_table( 'icl_languages', $sql );
	}

static function languages_table_is_complete() {
		global $wpdb;
		$table_name    = $wpdb->prefix . 'icl_languages';
		$sql           = "SELECT count(id) FROM {$table_name}";
		$records_count = $wpdb->get_var( $sql );

$languages_names_count = self::get_languages_names_count();

if ( $records_count < $languages_names_count ) {
			return false;
		}

$languages_codes = self::get_languages_codes();
		$language_pairs  = self::get_language_translations();

foreach ( self::get_languages_names() as $lang => $val ) {
			foreach ( $val['tr'] as $k => $display ) {
				$k = self::fix_language_name( $k );

$code = $languages_codes[ $lang ];
				if ( ! array_key_exists( $code, $language_pairs ) || ! in_array( $languages_codes[ $k ], $language_pairs[ $code ], true ) ) {
					return false;
				}
			}
		}
		return true;
	}

/**
	 * @param string $language_name
	 *
	 * @return string
	 */
	protected static function fix_language_name( $language_name ) {
		if ( strpos( $language_name, 'Norwegian Bokm' ) === 0 ) {
			$language_name = 'Norwegian Bokmål';
		}

return $language_name;
	}

private static function get_language_translations() {
		$result = array();

global $wpdb;
		$table_name = $wpdb->prefix . 'icl_languages_translations';
		$sql        = "SELECT language_code, display_language_code FROM {$table_name}";
		$rowset     = $wpdb->get_results( $sql );

if ( is_array( $rowset ) ) {
			foreach ( $rowset as $row ) {
				$result[ $row->language_code ][] = $row->display_language_code;
			}
		}

return $result;
	}

static function fill_languages() {
		global $wpdb, $sitepress;

$languages_codes = icl_get_languages_codes();
		$lang_locales    = icl_get_languages_locales();

$table_name = $wpdb->prefix . 'icl_languages';
		if ( ! self::create_languages() ) {
			return false;
		}

if ( ! self::languages_table_is_complete() ) {
			// First truncate the table
			$active_languages = ( $sitepress !== null
								  && $sitepress->is_setup_complete() ) ? $sitepress->get_active_languages() : array();

$wpdb->hide_errors();

$sql = 'TRUNCATE ' . $table_name;

$truncate_result = $wpdb->query( $sql );

$wpdb->show_errors();

if ( false !== $truncate_result ) {
				foreach ( self::get_languages_names()  as $key => $val ) {
					$language_code  = $languages_codes[ $key ];
					$default_locale = isset( $lang_locales[ $language_code ] ) ? $lang_locales[ $language_code ] : '';

$language_tag = strtolower( str_replace( '_', '-', $language_code ) );

$args = array(
						'english_name'   => $key,
						'code'           => $language_code,
						'major'          => $val['major'],
						'active'         => isset( $active_languages[ $language_code ] ) ? 1 : 0,
						'default_locale' => $default_locale,
						'tag'            => $language_tag,
					);
					if ( $wpdb->insert( $table_name, $args ) === false ) {
						return false;
					}
				}
			}
		}

return true;
	}

private static function create_languages_translations() {

$sql = '(`id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY ,
                `language_code`  VARCHAR( 7 ) NOT NULL ,
                `display_language_code` VARCHAR( 7 ) NOT NULL ,
                `name` VARCHAR( 255 ) NOT NULL,
                UNIQUE(`language_code`, `display_language_code`)
	            )';

return self::create_table( 'icl_languages_translations', $sql );
	}

static function fill_languages_translations() {
		global $wpdb;

$languages_codes = icl_get_languages_codes();

$table_name = $wpdb->prefix . 'icl_languages_translations';

if ( ! self::create_languages_translations() ) {
			return false;
		}

if ( ! self::languages_table_is_complete() ) {

// First truncate the table
			$wpdb->hide_errors();

$sql = 'TRUNCATE ' . $table_name;

$truncate_result = $wpdb->query( $sql );

$wpdb->show_errors();

if ( false !== $truncate_result ) {
				$index = 1;

$insert_sql_parts = array();
				$languages        = self::get_languages_names();
				if ( $languages ) {
					foreach ( $languages as $lang => $val ) {
						foreach ( $val['tr'] as $k => $display ) {
							$k = self::fix_language_name( $k );
							if ( ! trim( $display ) ) {
								$display = $lang;
							}

$inserts_language_data = array(
								'id'                    => $index,
								'language_code'         => $languages_codes[ $lang ],
								'display_language_code' => $languages_codes[ $k ],
								'name'                  => $display,
							);

$insert_sql_parts[] = $wpdb->prepare( '(%d, %s, %s, %s)', $inserts_language_data );
							$index ++;
						}
					}

$insert_sql = implode( ",\n", $insert_sql_parts );
					$insert_sql = "INSERT INTO {$table_name} (id, language_code, display_language_code, name) VALUES "
								. $insert_sql;

if ( $wpdb->query( $insert_sql ) === false ) {
						return false;
					}
				}
			}
		}

return true;
	}

private static function create_table( $name, $table_sql ) {
		global $wpdb;

$table_name  = $wpdb->prefix . $name;
		$found_table = (string) $wpdb->get_var( "SHOW TABLES LIKE '{$table_name}'" );

return 0 === strcasecmp( $found_table, $table_name )
			|| ( $wpdb->query(
				sprintf( 'CREATE TABLE IF NOT EXISTS `%s` ', $table_name )
				. $table_sql . ' '
				. self::get_charset_collate()
			) !== false );
	}

private static function create_flags() {

$sql = "(`id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY ,
                `lang_code` VARCHAR( 10 ) NOT NULL ,
                `flag` VARCHAR( 32 ) NOT NULL ,
                `from_template` TINYINT NOT NULL DEFAULT '0',
                UNIQUE (`lang_code`)
                )";

return self::create_table( 'icl_flags', $sql );
	}

public static function fill_flags() {
		global $wpdb;

if ( self::create_flags() === false ) {
			return;
		}

$codes = $wpdb->get_col( "SELECT code FROM {$wpdb->prefix}icl_languages" );
		foreach ( $codes as $code ) {
			if ( ! $code || $wpdb->get_var(
				$wpdb->prepare(
					"SELECT lang_code
                         FROM {$wpdb->prefix}icl_flags
                         WHERE lang_code = %s ",
					$code
				)
			)
			) {
				continue;
			}
			$code_parts = explode( '-', $code );

if ( file_exists( WPML_PLUGIN_PATH . '/res/flags/nil.svg' ) ) {
				$file = 'nil.svg';
			} else {
				$file = 'nil.png';
			}

if ( file_exists( WPML_PLUGIN_PATH . '/res/flags/' . $code . '.svg' ) ) {
				$file = $code . '.svg';
			} elseif ( file_exists( WPML_PLUGIN_PATH . '/res/flags/' . $code_parts[0] . '.svg' ) ) {
				$file = $code_parts[0] . '.svg';
			} elseif ( file_exists( WPML_PLUGIN_PATH . '/res/flags/' . $code . '.png' ) ) {
				$file = $code . '.png';
			} elseif ( file_exists( WPML_PLUGIN_PATH . '/res/flags/' . $code_parts[0] . '.png' ) ) {
				$file = $code_parts[0] . '.png';
			}

$wpdb->insert(
				$wpdb->prefix . 'icl_flags',
				array(
					'lang_code'     => $code,
					'flag'          => $file,
					'from_template' => 0,
				)
			);
		}
	}

public static function insert_default_category( $lang_code ) {
		global $sitepress;

$default_language = $sitepress->get_default_language();
		if ( $lang_code === $default_language ) {
			return;
		}

// Get default categories.
		$default_categories = $sitepress->get_setting( 'default_categories', array() );
		if ( isset( $default_categories[ $lang_code ] ) ) {
			return;
		}

$sitepress->switch_locale( $lang_code );
		$tr_cat  = __( 'Uncategorized', 'sitepress' );
		$tr_cat  = $tr_cat === 'Uncategorized' && $lang_code !== 'en' ? 'Uncategorized @' . $lang_code : $tr_cat;
		$tr_term = term_exists( $tr_cat, 'category' );
		$sitepress->switch_locale();

// check if the term already exists
		if ( $tr_term !== 0 && $tr_term !== null ) {
			$tmp = get_term( (int) $tr_term['term_taxonomy_id'], 'category', ARRAY_A );
		} else {
			$tmp = wp_insert_term( $tr_cat, 'category' );
		}

// add it to settings['default_categories']
		$default_categories[ $lang_code ] = $tmp['term_taxonomy_id'];

$sitepress->set_default_categories( $default_categories );

// update translations table
		$default_category_trid = $sitepress->get_element_trid(
			get_option( 'default_category' ),
			'tax_category'
		);
		$sitepress->set_element_language_details(
			$tmp['term_taxonomy_id'],
			'tax_category',
			$default_category_trid,
			$lang_code,
			$default_language
		);
	}
}

MR SKB