Current File : /home/escuelai/public_html/sitio_anterior/wp-content/plugins/jet-engine/includes/base/base-db.php |
<?php
/**
* Database manager class
*/
// If this file is called directly, abort.
if ( ! defined( 'WPINC' ) ) {
die;
}
/**
* Define Base DB class
*/
class Jet_Engine_Base_DB {
public $_found_items = array();
/**
* Check if booking DB table already exists
*
* @var bool
*/
public $table_exists = null;
/**
* Return format flag;
*
* @var null
*/
public $format_flag = null;
/**
* Stores latest queried result to use it
*
* @var null
*/
public $latest_result = null;
/**
* Default values for table cols
* @var array
*/
public $defaults = array();
/**
* Table name
* @var null
*/
public $table = null;
/**
* Table schema
* @var array
*/
public $schema = array();
/**
* Latest queried item ID
* @var boolean
*/
public $queried_item_id = false;
/**
* Latest queried item ID
* @var boolean
*/
public $queried_item = false;
/**
* Internal prefix
* @var boolean
*/
public static $prefix = '';
/**
* Constructor for the class
*/
public function __construct( $table = null, $schema = array() ) {
$this->table = $table;
$this->schema = $schema;
}
/**
* Return s Custom content types tables prfix
*
* @return [type] [description]
*/
public static function table_prefix() {
return self::wpdb()->prefix . static::$prefix;
}
/**
* Returns table name
* @return [type] [description]
*/
public function table() {
return static::table_prefix() . $this->table;
}
public function get_queried_item_id() {
return $this->queried_item_id;
}
public function set_queried_item_id( $item_id = false ) {
$this->queried_item_id = $item_id;
}
public function get_queried_item() {
if ( ! $this->queried_item && $this->get_queried_item_id() ) {
$this->queried_item = $this->get_item( $this->get_queried_item_id() );
}
return $this->queried_item;
}
public function set_queried_item( $item = false ) {
if ( is_integer( $item ) ) {
$this->set_queried_item_id( $item );
$this->get_queried_item();
} else {
$this->queried_item = $item;
}
}
/**
* Insert booking
*
* @param array $booking [description]
* @return [type] [description]
*/
public function insert( $data = array() ) {
}
/**
* Update appointment info
*
* @param array $new_data [description]
* @param array $where [description]
* @return [type] [description]
*/
public function update( $new_data = array(), $where = array() ) {
}
/**
* Delete column
* @return [type] [description]
*/
public function delete( $where = array() ) {
self::wpdb()->delete( $this->table(), $where );
}
/**
* Returns WPDB error thrown
*
* @return [type] [description]
*/
public function get_errors() {
return self::wpdb()->last_error;
}
/**
* Check if current instance table alredy exists
*
* @return boolean [description]
*/
public function is_table_exists() {
if ( null !== $this->table_exists ) {
return $this->table_exists;
}
$table = $this->table();
if ( strtolower( $table ) === strtolower( self::wpdb()->get_var( "SHOW TABLES LIKE '$table'" ) ) ) {
$this->table_exists = true;
} else {
$this->table_exists = false;
}
return $this->table_exists;
}
/**
* Check if requested table already exists
*
* @return boolean [description]
*/
public static function custom_table_exists( $table = null ) {
if ( ! $table ) {
return false;
}
$table = static::table_prefix() . $table;
if ( $table === self::wpdb()->get_var( "SHOW TABLES LIKE '$table'" ) ) {
return true;
} else {
return false;
}
}
/**
* Try to recreate DB table by request
*
* @return void
*/
public function install_table() {
if ( ! current_user_can( 'manage_options' ) ) {
return;
}
$this->create_table();
}
/**
* Returns WPDB instance
* @return [type] [description]
*/
public static function wpdb() {
global $wpdb;
return $wpdb;
}
/**
* Create DB table for apartment units
*
* @return [type] [description]
*/
public function create_table( $delete_if_exists = false ) {
if ( ! function_exists( 'dbDelta' ) ) {
require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
}
if ( $delete_if_exists && $this->is_table_exists() ) {
$this->drop_table();
}
$sql = $this->get_table_schema();
dbDelta( $sql );
}
/**
* Drop current table from DB
*
* @return [type] [description]
*/
public function drop_table() {
$table = $this->table();
self::wpdb()->query( "DROP TABLE $table;" );
}
/**
* Returns table columns schema
*
* @return [type] [description]
*/
public function get_table_schema() {
}
/**
* Check if content type has given column
*
* @param [type] $column_name [description]
* @return boolean [description]
*/
public function has_col( $column_name ) {
return isset( $this->schema[ $column_name ] );
}
/**
* Insert new columns into existing bookings table
*
* @param [type] $columns [description]
* @return [type] [description]
*/
public function insert_table_columns( $columns = array() ) {
if ( ! current_user_can( 'manage_options' ) ) {
return;
}
$table = $this->table();
$columns_schema = '';
foreach ( $columns as $column => $desc ) {
if ( ! $desc ) {
$desc = 'text';
}
$columns_schema .= 'ADD ' . $column . ' ' . $desc . ',';
}
$columns_schema = rtrim( $columns_schema, ',' );
$sql = "ALTER TABLE $table $columns_schema;";
self::wpdb()->query( $sql );
}
/**
* Returns array of table column names
*
* @return [type] [description]
*/
public function get_columns_list() {
$table = $this->table();
$sql = "SHOW COLUMNS FROM `$table` WHERE field NOT LIKE '_ID'";
$exclude_fields = apply_filters( 'jet-engine/base-db/exclude-fields', array(), $this );
if ( ! empty( $exclude_fields ) ) {
foreach ( $exclude_fields as $exclude_field ) {
$sql .= " AND field NOT LIKE '$exclude_field'";
}
}
$columns = self::wpdb()->get_results( $sql );
$result = array();
if ( ! empty( $columns ) ) {
foreach ( $columns as $column ) {
$result[ $column->Field ] = $column->Type;
}
}
return $result;
}
/**
* Adjust existing DB columns to defined columns schema
*
* @return [type] [description]
*/
public function adjust_fields_to_schema() {
$existing_columns = $this->get_columns_list();
$columns_schema = $this->schema;
$existing_keys = array_keys( $existing_columns );
$schema_keys = array_keys( $columns_schema );
$to_add = array_diff( $schema_keys, $existing_keys );
$to_remove = array_diff( $existing_keys, $schema_keys );
if ( ! empty( $to_add ) ) {
$to_add_columns = array();
foreach ( $columns_schema as $key => $desc ) {
if ( in_array( $key, $to_add ) ) {
$to_add_columns[ $key ] = $desc;
}
}
$this->insert_table_columns( $to_add_columns );
}
if ( ! empty( $to_remove ) ) {
$this->delete_table_columns( $to_remove );
}
}
/**
* Check if booking DB column is exists
*
* @return [type] [description]
*/
public function column_exists( $column ) {
$table = $this->table();
return self::wpdb()->query( "SHOW COLUMNS FROM `$table` LIKE '$column'" );
}
/**
* Delete columns into existing bookings table
*
* @param [type] $columns [description]
* @return [type] [description]
*/
public function delete_table_columns( $columns ) {
if ( ! current_user_can( 'manage_options' ) ) {
return;
}
$table = $this->table();
$columns_schema = '';
foreach ( $columns as $column ) {
$columns_schema .= ' DROP ' . $column . ',';
}
$columns_schema = rtrim( $columns_schema, ',' );
$sql = "ALTER TABLE $table $columns_schema;";
self::wpdb()->query( $sql );
}
/**
* Add nested query arguments
*
* @param [type] $key [description]
* @param [type] $value [description]
* @param boolean $format [description]
* @return [type] [description]
*/
public function get_sub_query( $key = null, $value = null, $format = false ) {
$query = '';
$glue = '';
if ( ! $format ) {
if ( false !== strpos( $key, '!' ) ) {
$format = '`%1$s` != \'%2$s\'';
$key = ltrim( $key, '!' );
} else {
$format = '`%1$s` = \'%2$s\'';
}
}
foreach ( $value as $child ) {
$query .= $glue;
$query .= sprintf( $format, esc_sql( $key ), esc_sql( $child ) );
$glue = ' OR ';
}
return $query;
}
/**
* Return count of queried items
*
* @return [type] [description]
*/
public function count( $args = array(), $rel = 'AND' ) {
$table = $this->table();
$query = "SELECT count(*) FROM $table";
if ( ! $rel ) {
$rel = 'AND';
}
$query .= $this->add_where_args( $args, $rel );
return self::wpdb()->get_var( $query );
}
/**
* Add where arguments to query
*
* @param array $args [description]
* @param string $rel [description]
*/
public function add_where_args( $args = array(), $rel = 'AND', $add_where_string = true ) {
$query = '';
$multi_args = false;
if ( ! empty( $args ) ) {
if ( $add_where_string ) {
$query .= ' WHERE ';
}
$glue = '';
if ( count( $args ) > 1 ) {
$multi_args = true;
}
foreach ( $args as $key => $arg ) {
$clause = false;
if ( isset( $arg['relation'] ) ) {
$sub_rel = $arg['relation'];
unset( $arg['relation'] );
$clause = '(' . $this->add_where_args( $arg, $sub_rel, false ) . ')';
} else {
if ( is_array( $arg ) && isset( $arg['field'] ) ) {
$field = ! empty( $arg['field'] ) ? $arg['field'] : false;
$operator = ! empty( $arg['operator'] ) ? $arg['operator'] : '=';
$value = isset( $arg['value'] ) ? $arg['value'] : '';
$type = ! empty( $arg['type'] ) ? $arg['type'] : false;
} else {
$field = $key;
$operator = '=';
$value = $arg;
$type = false;
}
$clause = $this->prepare_where_clause( $field, $operator, $value, $type );
}
if ( $clause ) {
$query .= $glue;
$query .= $clause;
$glue = ' ' . $rel . ' ';
}
}
}
return $query;
}
/**
* Adjust SQL value string according queried argument type
*
* @param string $value [description]
* @param boolean $type [description]
* @return [type] [description]
*/
public function adjust_value_by_type( $value = '', $type = false ) {
if ( is_array( $value ) ) {
return false;
}
$type = strtolower( $type );
switch ( $type ) {
case 'integer':
$value = absint( $value );
break;
case 'float':
$value = floatval( $value );
break;
case 'timestamp':
if ( ! \Jet_Engine_Tools::is_valid_timestamp( $value ) ) {
$value = strtotime( $value );
}
$value = absint( $value );
break;
case 'date':
$value = strtotime( $value );
$value = sprintf( "'%s'", date( $value, 'Y-m-d H:i:s' ) );
break;
default:
$value = sprintf( "'%s'", esc_sql( $value ) );
break;
}
return $value;
}
/**
* Perform a raw query by current table
*
* @param [type] $query [description]
* @return [type] [description]
*/
public function raw_query( $query ) {
$query = preg_replace_callback( '/\%.*?\%/', function( $matches ) {
$result = '';
$match = $matches[0];
$match = trim( $match, '%' );
$data = explode( '::', $match );
if ( empty( $data[1] ) ) {
$result = $this->table();
} else {
$result = self::wpdb()->prefix . $data[1];
}
return $result;
}, $query );
return self::wpdb()->get_results( $query );
}
/**
* Check if $haystack start from $needle
*
* @param [type] $haystack [description]
* @param [type] $needle [description]
* @return [type] [description]
*/
public function starts_with( $haystack, $needle ) {
$length = strlen( $needle );
return substr( $haystack, 0, $length ) === $needle;
}
/**
* Check if $haystack ends with $needle
*
* @param [type] $haystack [description]
* @param [type] $needle [description]
* @return [type] [description]
*/
public function ends_with( $haystack, $needle ) {
$length = strlen( $needle );
if ( ! $length ) {
return true;
}
return substr( $haystack, -$length ) === $needle;
}
/**
* Prepare string to use in like or not like operator
*
* @param [type] $value [description]
* @return [type] [description]
*/
public function prepare_value_for_like_operator( $value ) {
if ( $this->starts_with( $value, '%' ) || $this->ends_with( $value, '%' ) ) {
return sprintf( "'%s'", $value );
} else {
return sprintf( "'%%%s%%'", esc_sql( $value ) );
}
}
/**
* Prepare single query clause by arguments
*
* @return [type] [description]
*/
public function prepare_where_clause( $field = false, $operator = '=', $value = '', $type = false ) {
if ( ! $field ) {
return '';
}
$format = '`%1$s` %3$s %2$s';
$array_operators = array( 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN' );
switch ( $type ) {
case 'integer':
case 'float':
$format = 'CAST( `%1$s` AS DECIMAL ) %3$s %2$s';
break;
default:
if ( false !== strpos( $type, 'DECIMAL' ) ) {
$format = 'CAST( `%1$s` AS ' . $type . ' ) %3$s %2$s';
}
break;
}
if ( 'EXISTS' === $operator ) {
$format = '`%1$s` IS NOT NULL';
} elseif ( 'NOT EXISTS' === $operator ) {
$format = '`%1$s` IS NULL';
}
if ( ! is_array( $value ) && in_array( $operator, $array_operators ) && false !== strpos( $value, ',' ) ) {
$value = explode( ',', $value );
$value = array_map( 'trim', $value );
}
if ( is_array( $value ) ) {
switch ( $operator ) {
case 'IN':
case 'NOT IN':
array_walk( $value, function( &$item ) use ( $type ) {
$item = $this->adjust_value_by_type( $item, $type );
} );
$value = sprintf( '( %s )', implode( ', ', $value ) );
break;
case 'BETWEEN':
case 'NOT BETWEEN':
$from = isset( $value[0] ) ? $value[0] : 0;
$to = isset( $value[1] ) ? $value[1] : $from;
$from = $this->adjust_value_by_type( $from, $type );
$to = $this->adjust_value_by_type( $to, $type );
$value = sprintf( '%1$s AND %2$s', $from, $to );
break;
default:
$format = '(%2$s)';
$args = array();
foreach ( $value as $val ) {
$args[] = array(
'field' => $field,
'operator' => $operator,
'type' => $type,
'value' => $val,
);
}
$value = $this->add_where_args( $args, 'OR', false );
break;
}
} else {
if ( in_array( $operator, array( 'LIKE', 'NOT LIKE' ) ) ) {
$value = $this->prepare_value_for_like_operator( $value );
} else {
$value = $this->adjust_value_by_type( $value, $type );
}
if ( in_array( $operator, $array_operators ) ) {
$operator = '=';
}
}
$result = sprintf( $format, esc_sql( $field ), $value, $operator );
return $result;
}
/**
* Add order arguments to query
*
* @param array $args [description]
*/
public function add_order_args( $order = array() ) {
$query = '';
$glue = '';
foreach ( $order as $order_clause ) {
if ( ! empty( $order_clause['orderby'] ) ) {
$orderby = $order_clause['orderby'];
$order = ! empty( $order_clause['order'] ) ? $order_clause['order'] : 'desc';
$order = strtoupper( $order );
$type = ! empty( $order_clause['type'] ) ? $order_clause['type'] : false;
switch ( $type ) {
case 'integer':
$orderby = sprintf( 'CAST( %s AS DECIMAL )', $orderby );
break;
case 'float':
$orderby = sprintf( 'CAST( %s AS DECIMAL )', $orderby );
break;
case 'timestamp':
$orderby = sprintf( 'CAST( %s AS DECIMAL )', $orderby );
break;
case 'date':
$orderby = sprintf( 'CAST( %s AS DATE )', $orderby );
break;
}
if ( 'random_order' === $orderby ) {
$orderby = sprintf( 'RAND(%s)', $this->get_random_seed() );
}
$query .= $glue . $orderby . ' ' . $order;
$glue = ', ';
}
}
if ( $query ) {
$query = " ORDER BY " . $query;
}
return $query;
}
public function get_random_seed() {
$transient_key = 'jet_random_seed';
$transient_time = 3 * MINUTE_IN_SECONDS;
$seed = get_transient( $transient_key );
if ( empty( $seed ) ) {
$seed = rand();
set_transient( $transient_key, $seed, $transient_time );
}
return apply_filters( 'jet-engine/base-db/random-seed', $seed, $transient_key, $transient_time );
}
/**
* Clear table data
* @return [type] [description]
*/
public function clear() {
$table = $this->table();
self::wpdb()->query( "TRUNCATE `$table`;" );
}
/**
* Set current format flag
*
* @param [type] $flag [description]
*/
public function set_format_flag( $flag = null ) {
$this->format_flag = $flag;
}
/**
* Get current format flag
*
*/
public function get_format_flag() {
if ( $this->format_flag ) {
return $this->format_flag;
} else {
return ARRAY_A;
}
}
/**
* Get content type item by ID
*
* @param boolean $item_id [description]
* @return [type] [description]
*/
public function get_item( $item_id = false, $by = '_ID' ) {
if ( ! $item_id ) {
return false;
}
if ( ! $by ) {
$by = '_ID';
}
if ( isset( $this->_found_items[ $item_id . $by ] ) ) {
return $this->_found_items[ $item_id . $by ];
}
$result = $this->query( array( $by => $item_id ) );
if ( empty( $result ) ) {
return false;
} else {
$item = $result[0];
$this->_found_items[ $item_id . $by ] = $item;
return $item;
}
}
/**
* Query data from db table
*
* @return [type] [description]
*/
public function query( $args = array(), $limit = 0, $offset = 0, $order = array(), $rel = 'AND' ) {
}
}