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<?php
if ( ! class_exists( 'GF_Query_Call' ) ) {
require_once( 'class-gf-query-call.php' );
}
if ( ! class_exists( 'GF_Query_Column' ) ) {
require_once( 'class-gf-query-column.php' );
}
if ( ! class_exists( 'GF_Query_Condition' ) ) {
require_once( 'class-gf-query-condition.php' );
}
if ( ! class_exists( 'GF_Query_Literal' ) ) {
require_once( 'class-gf-query-literal.php' );
}
if ( ! class_exists( 'GF_Query_JSON_Literal' ) ) {
require_once( 'class-gf-query-json-literal.php' );
}
if ( ! class_exists( 'GF_Query_Series' ) ) {
require_once( 'class-gf-query-series.php' );
}
/**
* The Gravity Forms Query Builder class.
*
* @internal
*
* @since 2.3
*/
class GF_Query {
/**
* @var null|int Holds the total number of entries found after calling get()
*/
public $total_found = null;
/**
* @var array An array of Form IDs
*/
private $from;
/**
* @var array Join clauses.
*/
private $joins = array();
/**
* @var array All the where clauses.
*/
private $where = array();
/**
* @var array All the order clauses.
*/
private $order = array();
/**
* @var int The limit of entries returned.
*/
private $limit = 0;
/**
* @var int The offset of entries returned.
*/
private $offset = 0;
/**
* @var array The table aliases.
*/
private $aliases = array();
/**
* @var string The queries executed against the database and their times.
*/
private $queries = array();
/**
* @var float An internal timer. Used for instrumentation purposes.
*/
private $timer = 0.0;
/**
* @var array An array of inferred joins used by _join_infer().
*/
private $_inferred_joins = array();
/**
* @const null Nothing.
*/
const NOOP = null;
/**
* @const string (ORDER BY) ASC operator.
*/
const ASC = 'ASC';
/**
* @const string (ORDER BY) DESC operator.
*/
const DESC = 'DESC';
/**
* @const string SIGNED type.
*/
const TYPE_SIGNED = 'SIGNED';
/**
* @const string UNSIGNED type.
*/
const TYPE_UNSIGNED = 'UNSIGNED';
/**
* @const string DECIMAL type.
*/
const TYPE_DECIMAL = 'DECIMAL';
/**
* GF_Query constructor.
*
* @param null|int|array $form_ids
* @param null|array $search_criteria
* @param null|array $sorting
* @param null|array $paging
*/
public function __construct( $form_ids = null, $search_criteria = null, $sorting = null, $paging = null ) {
if ( ! is_null( $search_criteria ) || ! is_null( $form_ids ) || ! empty( $sorting ) || ! empty( $paging ) ) {
$this->parse( $form_ids, $search_criteria, $sorting, $paging );
}
}
/**
* Parses the Search Criteria args.
*
* @param int|array $form_id
* @param array $search_criteria
* @param null $sorting
* @param null $paging
*/
public function parse( $form_id, $search_criteria = array(), $sorting = null, $paging = null ) {
$page_size = isset( $paging['page_size'] ) ? $paging['page_size'] : 20;
$offset = isset( $paging['offset'] ) ? $paging['offset'] : 0;
$sort_field = ! empty( $sorting['key'] ) ? $sorting['key'] : 'id';
$sort_dir = isset( $sorting['direction'] ) ? strtoupper( $sorting['direction'] ) : 'DESC';
switch ( $sort_dir ) {
case 'DESC':
$sort_dir_query = self::DESC;
break;
case 'RAND':
$sort_dir_query = 'RAND';
break;
case 'ASC':
default:
$sort_dir_query = self::ASC;
break;
}
$from = ! is_array( $form_id ) ? array( $form_id ) : $form_id;
$from = array_map( 'absint', $from );
$form_id = is_array( $form_id ) ? reset( $form_id ) : $form_id;
$form_id = absint( $form_id );
$order = new GF_Query_Column( $sort_field, $form_id );
$force_order_numeric = false;
if ( ! $order->is_entry_column() ) {
if ( isset( $sorting['is_numeric'] ) ) {
$force_order_numeric = $sorting['is_numeric'];
} else {
$field = GFAPI::get_field( $form_id, $sort_field );
if ( $field instanceof GF_Field ) {
$numeric_fields = array( 'number', 'total', 'calculation', 'price', 'quantity', 'shipping', 'singleshipping', 'product', 'singleproduct' );
$force_order_numeric = in_array( $field->get_input_type(), $numeric_fields );
} else {
$entry_meta = GFFormsModel::get_entry_meta( $form_id );
$force_order_numeric = rgars( $entry_meta, $sort_field . '/is_numeric' );
}
}
}
if ( $force_order_numeric ) {
$order = GF_Query_Call::CAST( $order, GF_Query::TYPE_DECIMAL );
}
$this->from( $from );
if ( $sort_dir_query == 'RAND' ) {
$this->order( GF_Query_Call::RAND() );
} else {
$this->order( $order, $sort_dir_query );
}
$this->limit( $page_size )
->offset( $offset );
$properties_condition = null;
$filters_condition = null;
$filters = array();
if ( isset( $search_criteria['status'] ) ) {
if ( is_array( $search_criteria['status'] ) ) {
$statuses = array();
foreach ( $search_criteria['status'] as $status ) {
$statuses[] = new GF_Query_Literal( $status );
}
$condition_value = new GF_Query_Series( $statuses );
$condition_operator = GF_Query_Condition::IN;
} else {
$condition_value = new GF_Query_Literal( $search_criteria['status'] );
$condition_operator = GF_Query_Condition::EQ;
}
$property_conditions[] = new GF_Query_Condition(
new GF_Query_Column( 'status' ),
$condition_operator,
$condition_value
);
}
$start_date = rgar( $search_criteria, 'start_date' );
$end_date = rgar( $search_criteria, 'end_date' );
$column = count( $from ) > 1 ? new GF_Query_Column( 'date_created' ) : new GF_Query_Column( 'date_created', $form_id );
if ( ! empty( $start_date ) ) {
try {
$start_date = new DateTime( $search_criteria['start_date'] );
$start_datetime_str = $start_date->format( 'Y-m-d H:i:s' );
$start_date_str = $start_date->format( 'Y-m-d' );
if ( $start_datetime_str == $start_date_str . ' 00:00:00' ) {
$start_date_str = $start_date_str . ' 00:00:00';
} else {
$start_date_str = $start_date->format( 'Y-m-d H:i:s' );
}
$start_date_str_utc = get_gmt_from_date( $start_date_str );
$property_conditions[] = new GF_Query_Condition(
$column,
GF_Query_Condition::GTE,
new GF_Query_Literal( $start_date_str_utc )
);
} catch ( Exception $e ) {
GFAPI::log_error( __METHOD__ . '(): Invalid start_date; ' . $e->getMessage() );
}
}
if ( ! empty( $end_date ) ) {
try {
$end_date = new DateTime( $search_criteria['end_date'] );
$end_datetime_str = $end_date->format( 'Y-m-d H:i:s' );
$end_date_str = $end_date->format( 'Y-m-d' );
// extend end date till the end of the day unless a time was specified. 00:00:00 is ignored.
if ( $end_datetime_str == $end_date_str . ' 00:00:00' ) {
$end_date_str = $end_date->format( 'Y-m-d' ) . ' 23:59:59';
} else {
$end_date_str = $end_date->format( 'Y-m-d H:i:s' );
}
$end_date_str_utc = get_gmt_from_date( $end_date_str );
if ( ! empty( $end_date ) ) {
$property_conditions[] = new GF_Query_Condition(
$column,
GF_Query_Condition::LTE,
new GF_Query_Literal( $end_date_str_utc )
);
}
} catch ( Exception $e ) {
GFAPI::log_error( __METHOD__ . '(): Invalid end_date; ' . $e->getMessage() );
}
}
if ( ! empty( $property_conditions ) ) {
if ( count( $property_conditions ) > 1 ) {
$properties_condition = call_user_func_array( array( 'GF_Query_Condition', '_and' ), $property_conditions );
} else {
$properties_condition = $property_conditions[0];
}
}
if ( ! empty( $search_criteria['field_filters'] ) ) {
$field_filters = $search_criteria['field_filters'];
$search_mode = isset( $field_filters['mode'] ) ? strtolower( $field_filters['mode'] ) : 'all';
unset( $field_filters['mode'] );
foreach ( $field_filters as $filter ) {
$key = rgar( $filter, 'key' );
if ( empty( $key ) ) {
$global_condition = $this->get_global_condition( $filter, $form_id );
$filters[] = $global_condition;
continue;
}
$value = rgar( $filter, 'value' );
$operator = isset( $filter['operator'] ) ? $filter['operator'] : GF_Query_Condition::EQ;
$operator = strtoupper( $operator );
switch ( $operator ) {
case 'CONTAINS':
$operator = GF_Query_Condition::LIKE;
$value = '%' . $value . '%';
break;
case 'IS NOT':
case 'ISNOT':
case '<>':
$operator = GF_Query_Condition::NEQ;
break;
case 'IS':
case '=':
$operator = GF_Query_Condition::EQ;
break;
case 'LIKE':
$operator = GF_Query_Condition::LIKE;
break;
case 'NOT IN':
case 'NOTIN':
$operator = GF_Query_Condition::NIN;
break;
case 'IN':
$operator = GF_Query_Condition::IN;
}
$form = GFFormsModel::get_form_meta( $form_id );
$field = GFFormsModel::get_field( $form, $key );
$is_numeric_filter = ( $field && $field->get_input_type() == 'number' ) || rgar( $filter, 'is_numeric' );
if ( $operator != GF_Query_Condition::LIKE && $is_numeric_filter ) {
if ( ! is_numeric( $value ) ) {
$value = floatval( $value );
}
$filters[] = new GF_Query_Condition(
GF_Query_Call::CAST( new GF_Query_Column( $key, $form_id ), self::TYPE_DECIMAL ),
$operator,
new GF_Query_Literal( $value )
);
continue;
}
if ( is_array( $value ) ) {
foreach ( $value as &$v ) {
$v = $field && $field->storageType == 'json' ? new GF_Query_JSON_Literal( (string) $v ) : new GF_Query_Literal( $v );
}
$value = new GF_Query_Series( $value );
$filters[] = new GF_Query_Condition(
new GF_Query_Column( $key, $form_id ),
$operator,
$value
);
continue;
}
if ( $key == 'date_created' && $operator == GF_Query_Condition::EQ ) {
if ( ! empty( $value ) ) {
try {
$search_date = new DateTime( $value );
$search_date_str = $search_date->format( 'Y-m-d' );
$date_created_start = $search_date_str . ' 00:00:00';
$date_create_start_utc = get_gmt_from_date( $date_created_start );
$date_created_end = $search_date_str . ' 23:59:59';
$date_created_end_utc = get_gmt_from_date( $date_created_end );
$column = count( $from ) > 1 ? new GF_Query_Column( $key ) : new GF_Query_Column( $key, $form_id );
$filters[] = new GF_Query_Condition(
$column,
GF_Query_Condition::BETWEEN,
new GF_Query_Series( array(
new GF_Query_Literal( $date_create_start_utc ),
new GF_Query_Literal( $date_created_end_utc ),
) )
);
} catch ( Exception $e ) {
GFAPI::log_error( __METHOD__ . '(): Invalid date_created; ' . $e->getMessage() );
}
}
continue;
}
$literal = $field && $field->storageType == 'json' ? new GF_Query_JSON_Literal( (string) $value ) : new GF_Query_Literal( (string) $value );
$column = count( $from ) > 1 ? new GF_Query_Column( $key ) : new GF_Query_Column( $key, $form_id );
$filters[] = new GF_Query_Condition(
$column,
$operator,
$literal
);
}
$condition_mode = strtolower( $search_mode ) == 'any' ? '_or' : '_and';
if ( count( $filters ) > 1 ) {
$filters_condition = call_user_func_array( array( 'GF_Query_Condition', $condition_mode ), $filters );
} elseif ( $filters ) {
$filters_condition = $filters[0];
}
}
if ( ! empty( $properties_condition ) && ! empty( $filters_condition ) ) {
$where = call_user_func_array( array( 'GF_Query_Condition', '_and' ), array( $properties_condition, $filters_condition ) );
} else {
$where = ! empty( $properties_condition ) ? $properties_condition : $filters_condition;
}
if ( ! empty( $where ) ) {
$this->where( $where );
}
}
/**
* @param array $filter
* @param int|array $form_ids
*
* @return GF_Query_Condition|mixed
*/
private function get_global_condition( $filter, $form_ids ) {
// include choice text
$forms = array();
if ( $form_ids == 0 ) {
$forms = GFAPI::get_forms();
} elseif ( is_array( $form_ids ) ) {
foreach ( $form_ids as $id ) {
$forms[] = GFAPI::get_form( $id );
}
} else {
$forms[] = GFAPI::get_form( $form_ids );
}
$original_operator = strtoupper( rgar( $filter, 'operator' ) );
switch ( $original_operator ) {
case 'CONTAINS':
$operator = GF_Query_Condition::LIKE;
break;
case 'IS NOT':
case 'ISNOT':
case '<>':
$operator = GF_Query_Condition::NEQ;
break;
case 'IS':
case '=':
$operator = GF_Query_Condition::EQ;
break;
case 'LIKE':
$operator = GF_Query_Condition::LIKE;
break;
case 'NOT IN':
case 'NOTIN':
$operator = GF_Query_Condition::NIN;
break;
case 'IN':
$operator = GF_Query_Condition::IN;
break;
default:
$operator = empty( $original_operator ) ? GF_Query_Condition::EQ : $original_operator;
}
$val = $filter['value'];
$choice_filters = array();
foreach ( $forms as $form ) {
if ( isset( $form['fields'] ) ) {
foreach ( $form['fields'] as $field ) {
/* @var GF_Field $field */
if ( is_array( $field->choices ) ) {
foreach ( $field->choices as $choice ) {
if ( ( $operator == '=' && strtolower( $choice['text'] ) == strtolower( $val ) ) || ( $operator == 'LIKE' && ! empty( $val ) && strpos( strtolower( $choice['text'] ), strtolower( $val ) ) !== false ) ) {
if ( $field->gsurveyLikertEnableMultipleRows ) {
$choice_value = $choice['value'];
$choice_search_operator = 'like';
$choice_value = '%' . $choice_value;
} else {
$choice_value = $choice['value'];
$choice_search_operator = '=';
}
$choice_filters[] = new GF_Query_Condition(
new GF_Query_Column( $field->id, $form['id'] ),
$choice_search_operator,
new GF_Query_Literal( $choice_value )
);
}
}
}
}
}
}
if ( is_array( $val ) ) {
foreach ( $val as &$v ) {
$v = new GF_Query_Literal( $v );
}
$val = new GF_Query_Series( $val );
$choice_filters[] = new GF_Query_Condition(
new GF_Query_Column( GF_Query_Column::META, 0 ),
$operator,
$val
);
} else {
if ( $original_operator == 'CONTAINS' ) {
$val = '%' . $val . '%';
}
$choice_filters[] = new GF_Query_Condition(
new GF_Query_Column( GF_Query_Column::META, $form_ids ),
$operator,
new GF_Query_Literal( $val )
);
}
if ( count( $choice_filters ) > 1 ) {
$combine_operator = in_array( $operator, array( GF_Query_Condition::NEQ, GF_Query_Condition::NIN ) ) ? '_and' : '_or';
$condition = call_user_func_array( array( 'GF_Query_Condition', $combine_operator ), $choice_filters );
} else {
$condition = $choice_filters[0];
}
return $condition;
}
/**
* Query a source.
*
* Sets the FROM clause.
*
* @param int|array The Form ID or array of IDs.
*
* @return GF_Query Chainable $this.
*/
public function from( $source ) {
if ( ! is_array( $source ) ) {
$source = array( $source );
}
$this->from = $source;
/**
* Reserve the alias.
*/
$this->_alias( null, reset( $source ) );
return $this;
}
/**
* Join on column tables. The serious stuff.
*
* LEFT JOIN $on_column.table alias ON alias.$on_column = $to_column
*
* @param GF_Query_Column $on_column The column to join on.
* @param GF_Query_Column $to_column The column to join the above to.
*
* @return GF_Query Chainable $this.
*/
public function join( $on_column, $to_column) {
if ( $on_column instanceof GF_Query_Column && $to_column instanceof GF_Query_Column ) {
$this->joins[] = array( $on_column, $to_column );
}
return $this;
}
/**
* Where something is something :)
*
* @param GF_Query_Condition $condition A condition.
*
* @return GF_Query Chainable $this.
*/
public function where( $condition ) {
if ( $condition instanceof GF_Query_Condition ) {
$this->where = $condition;
}
return $this;
}
/**
* Sets the order.
*
* @param GF_Query_Column|GF_Query_Call $column The field, function to order by.
* @param string $order The order (one of self::ASC, self::DESC or empty). Default for GF_Query_Column: self::ASC Default for GF_Query_Call: empty
*
* @return GF_Query Chainable $this.
*/
public function order( $column, $order = null ) {
/**
* This is a function.
*/
if ( $column instanceof GF_Query_Call ) {
if ( ! in_array( $order, array( self::ASC, self::DESC ) ) ) {
$order = '';
}
$this->order[ spl_object_hash( $column ) . '()' ] = array( $column, $order );
} elseif ( $column instanceof GF_Query_Column ) {
if ( ! in_array( $order, array( self::ASC, self::DESC ) ) ) {
$order = self::ASC;
}
$source_id = $column->source;
$field_id = $column->field_id ? $column->field_id : '-';
$this->order[ "{$source_id}_{$field_id}" ] = array( $column, $order );
}
return $this;
}
/**
* Sets the limit.
*
* @param int $limit The limit to set.
*
* @return GF_Query Chainable $this.
*/
public function limit( $limit ) {
if ( is_numeric( $limit ) ) {
$this->limit = $limit;
}
return $this;
}
/**
* Sets the offset.
*
* Use self::page() as a more convenient wrapper.
*
* @return GF_Query Chainable $this.
*/
public function offset( $offset ) {
if ( is_numeric( $offset ) ) {
$this->offset = $offset;
}
return $this;
}
/**
* Sets the offset from page.
*
* Calculated from self::$limit. If not set, offset will be 0.
*
* @return GF_Query Chainable $this.
*/
public function page( $page ) {
if ( is_numeric( $page ) ) {
$this->offset = max( 0, $page - 1 ) * $this->limit;
}
return $this;
}
/**
* Retrieve the results.
*
* @return array The resulting entries.
*/
public function get() {
global $wpdb;
$entries = array();
$results = $this->query();
$this->total_found = (int) $wpdb->get_var( 'SELECT FOUND_ROWS()' );
return $this->get_entries( $results );
}
/**
* Retrieve the IDs for the results.
*
* @return array The resulting entry IDs.
*/
public function get_ids() {
global $wpdb;
$results = $this->query();
$this->total_found = (int) $wpdb->get_var( 'SELECT FOUND_ROWS()' );
$ids = array();
foreach( $results as $result ) {
$ids[] = $result[0];
}
return $ids;
}
/**
* Build the query and return the raw rows.
*
* @return array The rows.
*/
private function query() {
if ( count( $this->queries ) ) {
GFCommon::log_debug( 'Reusing GF_Query is undefined behavior. Create a new instance instead.' );
}
if ( ! is_array( $this->from ) || ! count( $this->from ) ) {
return array();
}
global $wpdb;
/**
* FROM.
*
* We always select from the entry table first.
* It is our main source.
*/
$from = sprintf( 'FROM `%s` AS `%s`', GFFormsModel::get_entry_table_name(), $this->_alias( null, reset( $this->from ) ) );
/**
* ORDER.
*/
$order = '';
if ( ! empty( $this->order ) && $orders = $this->_order_generate( $this->order ) ) {
$order = 'ORDER BY ' . implode( ', ', $orders );
}
/**
* JOIN.
*/
$joins = $this->_prime_joins(
$this->_join_generate( $this->joins ),
$this->_join_infer( $this->where ),
$this->_join_infer_orders( $this->where, $this->order )
);
$join = count( $joins ) ? 'LEFT JOIN ' . implode( ' LEFT JOIN ', $joins ) : '';
/**
* SELECT.
*/
$select = sprintf( 'SELECT SQL_CALC_FOUND_ROWS DISTINCT %s', implode( ', ', $this->_select_infer( $this->joins ) ) );
$form_ids = array();
foreach ( $this->from as $f ) {
$f = new GF_Query_Literal( $f );
if ( $f->value ) {
$form_ids[] = $f;
}
}
if ( $form_ids ) {
$this->where( GF_Query_Condition::_and(
/**
* Prepend the selected form IDs.
*/
new GF_Query_Condition(
new GF_Query_Column( 'form_id' ),
GF_Query_Condition::IN,
new GF_Query_Series( $form_ids )
),
$this->where
) );
}
/**
* WHERE.
*/
if ( $where = $this->_where_unwrap( $this->where ) ) {
$where = "WHERE $where";
}
/**
* LIMIT and OFFSET.
*/
$limit = $offset = '';
if ( $this->limit ) {
$limit = sprintf( 'LIMIT %d', $this->limit );
if ( $this->offset ) {
$offset = sprintf( 'OFFSET %d', $this->offset );
}
}
$paginate = implode( ' ', array_filter( array( $limit, $offset ), 'strlen' ) );
/**
* Filter the SQL query fragments to allow low-level advanced analysis and modification before the query is run.
*
* @since 2.4.3
*
* @param array $sql An array with all the SQL fragments: select, from, join, where, order, paginate.
*/
$sql = apply_filters( 'gform_gf_query_sql', compact( 'select', 'from', 'join', 'where', 'order', 'paginate' ) );
$sql = implode( ' ', array_filter( $sql, 'strlen' ) );
GFCommon::log_debug( __METHOD__ . '(): sql => ' . $sql );
$this->timer_start();
$results = $wpdb->get_results( $sql, ARRAY_N );
$this->queries []= array( $this->timer_stop(), $sql );
if ( is_null( $results ) ) {
return array();
}
return $results;
}
/**
* Generate the ORDER BY clause fragments.
*
* @param array $orders Usually self::$order, the orders.
*
* @internal
*
* @return array The ORDER BY clause fragments.
*/
public function _order_generate( $orders ) {
$order_clauses = array();
foreach ( $orders as $o ) {
list( $column, $order ) = $o;
if ( ! in_array( $order, array( self::ASC, self::DESC, '' ) ) ) {
continue;
}
if ( $column instanceof GF_Query_Call ) {
$order_clauses []= sprintf( '%s %s', $column->sql( $this ), $order );
} else if ( $column instanceof GF_Query_Column ) {
if ( $column->is_entry_column() ) {
$order_clauses []= sprintf( '`%s`.`%s` %s', $this->_alias( null, $column->source ), $column->field_id, $order );
/**
* An entry meta field.
*/
} else {
$alias = $this->_alias( $column->field_id, $column->source, 'o' );
$order_clauses []= sprintf( '`%s`.`meta_value` %s', $alias, $order );
}
}
}
$order_clauses = array_map( 'trim', $order_clauses );
return $order_clauses;
}
/**
* Recursive function to find joins.
*
* @param $condition
* @param $already_joined
*/
private function find_joins( $condition, &$already_joined ) {
if ( ! $condition instanceof GF_Query_Condition ) {
return;
}
/**
* This is an OR or AND clause. Needs unwrapping.
*/
if ( in_array( $condition->operator, array( GF_Query_Condition::_AND, GF_Query_Condition::_OR ) ) ) {
foreach ( $condition->expressions as $expression ) {
$this->find_joins( $expression, $already_joined );
}
return;
}
foreach ( $condition->columns as $column ) {
/** @var GF_Query_Column $column */
if ( $column->is_entry_column() || ! $column->field_id || ! $column->source )
continue;
$source = $column->source;
$source_id = is_array( $source ) ? reset( $source ) : $source;
$field_id = $column->field_id;
/** Reserve the alias. */
$this->_alias( $column->field_id, $column->source, 'm' );
$already_joined []= "{$source_id}_{$field_id}";
}
}
/**
* Generate the needed SELECT columns from join arrays.
*
* @param array $joins The joins (from self::$joins)
*
* @internal
*
* @return string[] The individual SELECT columns.
*/
public function _select_infer( $joins ) {
$select[] = sprintf( '`%s`.`id`', $this->_alias( null, reset( $this->from ) ) );
foreach ( $joins as $join ) {
list( $on, $column ) = $join;
if ( ! $on instanceof GF_Query_Column || ! $column instanceof GF_Query_Column ) {
continue;
}
if ( ! $on->field_id || ! $on->source || ! $column->field_id || ! $column->source ) {
continue;
}
$alias = $this->_alias( $on->is_entry_column() ? null : $on->field_id, $on->source );
$select[] = sprintf( '`%s`.`%s` AS `%s_id`', $alias, $on->is_entry_column() ? 'id' : 'entry_id', $alias );
}
return $select;
}
/**
* Generate the needed JOIN statements from join arrays.
*
* @param array $joins The joins (from self::$joins)
*
* @internal
*
* @return string[] The individual JOIN statements.
*/
public function _join_generate( $joins ) {
global $wpdb;
$_joins = array();
foreach ( $joins as $join ) {
list( $on, $column ) = $join;
if ( ! $on instanceof GF_Query_Column || ! $column instanceof GF_Query_Column ) {
continue;
}
if ( ! $on->field_id || ! $on->source || ! $column->field_id || ! $column->source ) {
continue;
}
$conditions = array();
/**
* Join on the entry table when dealing with an entry column.
*/
if ( $on->is_entry_column() ) {
$table_on = GFFormsModel::get_entry_table_name();
$alias_on = $this->_alias( null, $on->source, 't' );
$column_on = $on->field_id;
/**
* Join on the meta table when dealing with a meta field.
*/
} else {
$table_on = GFFormsModel::get_entry_meta_table_name();
$alias_on = $this->_alias( $on->field_id, $on->source, 'm' );
$column_on = 'meta_value';
/**
* Make sure a WHERE clause exists on meta fields.
*/
$conditions[] = $wpdb->prepare( sprintf( '`%s`.`meta_key` = %%s', $alias_on ), $on->field_id );
}
$conditions[] = sprintf( '`%s`.`form_id` = %d', $alias_on, $on->source );
/**
* Join to on an entry table.
*/
if ( $column->is_entry_column() ) {
$equals_table = $this->_alias( null, $column->source );
$equals_column = $column->field_id;
/**
* Join to a meta table.
*/
} else {
$equals_table = $this->_alias( $column->field_id, $column->source, 'm' );
$equals_column = 'meta_value';
/**
* Make sure a WHERE clause exists on meta fields.
*/
$meta_condition = new GF_Query_Condition(
new GF_Query_Column( 'meta_key', $column->source, $equals_table ),
GF_Query_Condition::EQ,
new GF_Query_Literal( $column->field_id )
);
$this->where(
GF_Query_Condition::_and( $this->where, $meta_condition )
);
/**
* Make sure the initial join exists.
*/
$_joins = array_merge( $this->_join_infer( $meta_condition ), $_joins );
}
array_unshift( $conditions, sprintf( '`%s`.`%s` = `%s`.`%s`', $alias_on, $column_on, $equals_table, $equals_column ) );
$_joins[] = sprintf( '`%s` AS `%s` ON %s', $table_on, $alias_on,
( count( $conditions ) > 1 ) ? '(' . implode( ' AND ', $conditions ) . ')' : implode( ' AND ', $conditions ) );
}
return $_joins;
}
/**
* Generate the needed JOIN statements for a condition.
*
* @param array $condition A condition (from self::$where)
*
* @internal
*
* @return string[] The individual JOIN statements.
*/
public function _join_infer( $condition ) {
$this->_inferred_joins = array();
if ( ! $condition instanceof GF_Query_Condition ) {
return $this->_inferred_joins;
}
/**
* This is an OR or AND clause. Needs unwrapping.
*/
if ( in_array( $condition->operator, array( GF_Query_Condition::_AND, GF_Query_Condition::_OR ) ) ) {
/** Recurse and unwrap. */
$_joins = array_map( array( $this, __FUNCTION__ ), $condition->expressions );
$this->_inferred_joins = array();
array_walk_recursive( $_joins, array( $this, 'merge_joins' ) );
return array_unique( $this->_inferred_joins );
}
/**
* Regular WHERE clause JOIN inference.
*/
foreach ( $condition->columns as $column ) {
if ( ! $column->field_id )
continue;
if ( $column->is_entry_column() ) {
/**
* On meta joins, the joined entry table is missing. It has to be added.
*/
if ( ! $column->alias && ( $this->_alias( null, $column->source ) !== 't1' ) ) {
$this->_inferred_joins []= sprintf( '`%s` AS `%d` ON `%%s`.`id` = `%%s`.`entry_id`', // the rest is filled in during _priming
GFFormsModel::get_entry_table_name(), $column->source
);
}
continue;
}
$alias = $column->alias ? $column->alias : $this->_alias( $column->field_id, $column->source, 'm' );
if ( ! $column->is_meta_column() && $column->field_id != GF_Query_Column::META ) {
if ( $column->field_id == intval( $column->field_id ) && ( $field = GFFormsModel::get_field( GFAPI::get_form( $column->source ? $column->source : reset( $this->from ) ), $column->field_id ) ) && $field->get_entry_inputs() ) {
/**
* Multi-input across all inputs.
*/
$literal = new GF_Query_Literal( sprintf( '%d.%%', $column->field_id ) );
$this->_inferred_joins []= sprintf( '`%s` AS `%s` ON (`%s`.`entry_id` = `%s`.`id` AND `%s`.`meta_key` LIKE %s)',
GFFormsModel::get_entry_meta_table_name(), $alias, $alias, $this->_alias( null, $column->source ), $alias, $literal->sql( $this )
);
} else {
$literal = new GF_Query_Literal( $column->field_id );
$this->_inferred_joins []= sprintf( '`%s` AS `%s` ON (`%s`.`entry_id` = `%s`.`id` AND `%s`.`meta_key` = %s)',
GFFormsModel::get_entry_meta_table_name(), $alias, $alias, $this->_alias( null, $column->source ), $alias, $literal->sql( $this )
);
}
} else {
$this->_inferred_joins []= sprintf( '`%s` AS `%s` ON `%s`.`entry_id` = `%s`.`id`',
GFFormsModel::get_entry_meta_table_name(), $alias, $alias, $this->_alias( null, $column->source )
);
}
}
return array_unique( $this->_inferred_joins );
}
/**
* Generate the needed JOIN statements for stanalone ORDER BY clauses.
*
* @param array $condition A condition (from self::$where)
* @param array $order The orders (from self::$order )
*
* @internal
*
* @return string[] The individual JOIN statements.
*/
public function _join_infer_orders( $condition, $order ) {
$already_joined = array();
$this->find_joins( $condition, $already_joined );
$joins = array();
foreach ( $order as $o ) {
list( $column, $_ ) = $o;
if ( $column instanceof GF_Query_Call ) {
$columns = $column->columns;
} else if ( $column instanceof GF_Query_Column ) {
$columns = array( $column );
} else {
continue;
}
foreach ( $columns as $column ) {
if ( $column->is_entry_column() || $column->is_meta_column() ) {
continue;
}
$source_id = $column->source;
$field_id = $column->field_id ? $column->field_id : '-';
$alias = $this->_alias( $column->field_id, $column->source, 'm' );
if ( ! in_array( "{$source_id}_{$field_id}", $already_joined ) ) {
$already_joined []= "{$source_id}_{$field_id}";
$literal = new GF_Query_Literal( $field_id );
$joins []= sprintf( '`%s` AS `%s` ON (`%s`.`entry_id` = `%s`.`id` AND `%s`.`meta_key` = %s)',
GFFormsModel::get_entry_meta_table_name(), $alias, $alias, $this->_alias( null, $column->source ),
$alias, $literal->sql( $this ) );
}
}
}
return $joins;
}
/**
* @param $join
*/
private function merge_joins( $join ) {
$this->_inferred_joins = array_merge( $this->_inferred_joins, array( $join ) );
}
/**
* Remove simplified join statements on the same column.
* Used to avoid duplicate/non-unique aliases in joins.
* Merge join conditions on one alias into one statement.
* Also make sure the order of the joins resolves correctly.
* Cleans up incorrectly resolved WHERE inferences when explicit joins exist.
* Corrects bad WHERE resolves to join on an existing joined form.
*
* a.k.a. lots of black magic
*
* @todo Rewrite the whole joins ordeal, it has to be more explicit to avoid
* all this backfixing and regular expressions to correct for all
* the different combinations there are.
*
* @param string[] $explicit_joins Joins added via the join() method.
* @param string[] $where_inference_joins Joins added because of WHERE conditions.
* @param string[] $order_inference_joins Joins added because of ORDER statements.
*
* @return array
*/
public function _prime_joins( $explicit_joins, $where_inference_joins, $order_inference_joins ) {
$joins = array_unique( $explicit_joins );
$explicit_join_aliases = array();
foreach ( $explicit_joins as $join ) {
if ( preg_match( '#` AS `([motc]\d+)` ON #', $join, $matches ) ) {
if ( $key = array_search( $matches[1], $this->aliases, true ) ) {
list( $form_id, $field_id ) = explode( '_', $key );
$explicit_join_aliases[ $form_id ] = $matches[1];
} else {
$explicit_join_aliases[] = $matches[1];
}
}
}
$remaining_inference_joins = array();
foreach ( array_merge( $where_inference_joins, $order_inference_joins ) as $join ) {
if ( preg_match( '#` AS `([motc]\d+)` ON #', $join, $matches ) ) {
if ( ! in_array( $matches[1], $explicit_join_aliases ) ) {
if ( ( $key = array_search( $matches[1], $this->aliases, true ) ) !== false ) {
list( $form_id, $field_id ) = explode( '_', $key );
if ( isset( $explicit_join_aliases[ $form_id ] ) && strpos( $explicit_join_aliases[ $form_id ], 't' ) !== 0 ) {
list( $table, $on ) = explode( ' ON ', $join );
$join = implode( ' ON ', array( $table, sprintf( '`%s`.`entry_id` = `%s`.`entry_id`', $matches[1], $explicit_join_aliases[ $form_id ] ) ) );
}
}
$remaining_inference_joins[] = $join;
}
} else if ( preg_match( '#` AS `(\d+)` ON `%s`.`id` = `%s`.`entry_id`$#', $join, $matches ) ) {
if ( ( $alias = $explicit_join_aliases[ $matches[1] ] ) && 't' !== $alias[0] ) {
$join = str_replace( $matches[1], $this->_alias( null, $matches[1] ), $join );
$remaining_inference_joins[] = sprintf( $join, $this->_alias( null, $matches[1] ), $alias );
}
}
}
$joins = array_merge( $explicit_joins, $remaining_inference_joins );
$unique_joins = array();
$ons = array();
foreach ( $joins as $join ) {
if ( preg_match( '#(.*?` AS `([motc]\d+)` ON) \(?(.*?)\)?$#', $join, $matches ) ) {
$ons[ $matches[2] ] = $matches[1];
if ( ! isset( $unique_joins[ $matches[2] ] ) ) {
$unique_joins[ $matches[2] ] = array();
}
$unique_joins[ $matches[2] ] = array_unique(
array_merge( $unique_joins[ $matches[2] ], explode( ' AND ', $matches[3] ) )
);
}
}
$main_table_alias = $this->_alias( null, reset( $this->from ) );
$sorted_joins = array();
$loop = pow( count( $unique_joins ), 2 ); // No more than n^2 protection
while ( $loop-- && count( $sorted_joins ) < count( $unique_joins ) ) {
foreach ( $unique_joins as $alias => $joins ) {
foreach ( $joins as $join ) {
$resolves = true;
if ( preg_match_all( '#`([motc]\d+)`.`#', $join, $matches ) ) {
foreach ( $matches[1] as $join_alias ) {
if ( $alias !== $join_alias && $main_table_alias !== $join_alias && ! isset( $sorted_joins[ $join_alias ] ) ) {
$resolves = false;
break;
}
}
} else {
$resolves = false;
}
if ( $resolves ) {
if ( ! isset( $sorted_joins[ $alias ] ) ) {
$sorted_joins[ $alias ] = array();
}
$sorted_joins[ $alias ][] = $join;
}
}
}
}
foreach ( $sorted_joins as $alias => $joins ) {
$joins = array_unique( $joins );
if ( count( $joins ) > 1 ) {
$joins = '(' . implode( ' AND ', $joins ) . ')';
} else {
$joins = reset( $joins );
}
$sorted_joins[ $alias ] = sprintf( '%s %s', $ons[ $alias ], $joins );
}
return array_values( $sorted_joins );
}
/**
* Return a nice table alias for this source/field.
*
* Every source is marked as unique by ID. Different instances
* of the same source will have the same alias.
*
* @internal
*
* @param string $field_id The field.
* @param int|array $source The source. Default: self::$from
* @param string $prefix The table prefix. Default: "t"
*
* @return string|null The alias.
*/
public function _alias( $field_id, $source = null, $prefix = 't' ) {
if ( 't' == $prefix && ( ! $source || empty ( $this->from ) || in_array( $source, $this->from ) ) ) {
if ( ! isset( $this->aliases['-'] ) ) {
$this->aliases['-'] = true;
}
return 't1';
}
if ( $source && is_array( $source ) ) {
$source = reset( $source );
}
$source_id = $source ? $source : ( ( ! empty( $this->from[0] ) ) ? $this->from[0] : '-' );
$field_id = $field_id ? $field_id : '-';
$source_id = "{$source_id}_{$field_id}";
if ( ! isset( $this->aliases[ $source_id ] ) ) {
$this->aliases[ $source_id ] = sprintf( '%s%d', $prefix, count( $this->aliases ) + 1 );
};
return $this->aliases[ $source_id ];
}
/**
* Unwraps a nested array of conditionals into one long string.
*
* @param GF_Query_Condition $condition Either a condition or an array of conditions. Usually from self::$where.
*
* @internal
*
* @return string.
*/
public function _where_unwrap( $condition ) {
if ( ! $condition instanceof GF_Query_Condition ) {
return '';
}
/**
* This is an OR or AND clause. Needs unwrapping.
*/
if ( in_array( $condition->operator, array( GF_Query_Condition::_AND, GF_Query_Condition::_OR ) ) ) {
/** Recurse. */
$conditions = array_filter( array_map( array( $this, __FUNCTION__ ), $condition->expressions ), 'strlen' );
if ( count( $conditions ) ) {
return count( $conditions ) == 1 ? current( $conditions ) : '(' . implode( " {$condition->operator} ", $conditions ) . ')';
}
return '';
}
return $condition->sql( $this );
}
/**
* The CAST function call.
*
* @param string $field_id The field to cast.
* @param string $type The type, one of self::TYPE_*
*
* @unused This seems to be a development artifact. Candidate for removal.
*
* @return array|$field The function name, args in order. Or the field if error.
*/
public function cast( $field_id, $type ) {
if ( ! in_array( $type, array( self::TYPE_SIGNED, self::TYPE_UNSIGNED, self::TYPE_DECIMAL ) ) ) {
return $field_id;
}
if ( self::TYPE_DECIMAL === $type ) {
$type = 'DECIMAL(65, 6)';
}
return array( 'CAST', $field_id, 'AS', $type );
}
/**
* Whether there are several forms that are being selected from or not.
*
* Does not return true for joins and unions.
*
* @return bool
*/
public function is_multisource() {
return is_array( $this->from ) && count( $this->from ) > 1;
}
/**
* Shows the private internal state of this query.
*
* For debugging and testing purposes only.
*
* @internal
*
* @return array Containing introspection data.
*/
public function _introspect() {
return array(
'from' => $this->from,
'joins' => $this->joins,
'where' => $this->where,
'offset' => $this->offset,
'limit' => $this->limit,
'order' => $this->order,
'aliases' => $this->aliases,
'queries' => $this->queries,
);
}
/**
* Start the stopwatch.
*
* @return void
*/
private function timer_start() {
$this->timer = microtime( true );
}
/**
* Stop the stopwatch.
*
* @return float The time it took in seconds.
*/
private function timer_stop() {
return microtime( true ) - $this->timer;
}
/**
* Returns an array with the field values for a given entry ID.
*
* @param $entry_id
*
* @return array|bool
*/
public function get_entry( $entry_id ) {
if ( empty( $entry_id ) ) {
return false;
}
$entries = $this->get_entries( array( $entry_id ) );
if ( empty( $entries ) ) {
return false;
}
return array_pop( $entries );
}
/**
* Returns an array or array entries with the field values for the given entry IDs.
*
* @param int[]|int[][] $entry_ids A (nested) array of entry IDs to fetch. Invalid IDs are discarded.
*
* @return array[] An array of entry objects.
*/
public function get_entries( $entry_ids ) {
global $wpdb;
foreach ( $entry_ids as $i => $id ) {
if ( ! is_array( $id ) ) {
$entry_ids[ $i ] = array( $id );
}
}
$ids = array();
foreach ( $entry_ids as $entry_id ) {
$ids = array_merge( $ids, $entry_id );
}
$ids = array_unique( $ids );
if ( empty( $ids ) ) {
return array();
}
$entry_table = GFFormsModel::get_entry_table_name();
$sql = sprintf( "SELECT * from $entry_table WHERE id IN(%s)", $placeholders = implode( ',', array_fill( 0, count( $ids ), '%d' ) ) );
$entryset = $wpdb->get_results( $wpdb->prepare( $sql, $ids ), ARRAY_A );
$entry_meta_table = GFFormsModel::get_entry_meta_table_name();
$entries = array();
foreach ( $entryset as $entry ) {
$entries[ $entry['id'] ] = $entry;
}
$cache = array(
'form_meta' => array(),
'form_entry_meta' => array(),
);
$meta_clauses = array();
foreach ( $entryset as $entry ) {
$form_id = absint( $entry['form_id'] );
if ( isset( $cache['form_entry_meta'][ $form_id ] ) ) {
$entry_meta = $cache['form_entry_meta'][ $form_id ];
} else {
$entry_meta = $cache['form_entry_meta'][ $form_id ] = RGFormsModel::get_entry_meta( $form_id );
}
if ( ! empty( $entry_meta ) ) {
$entry_meta_placeholders = implode( ',', array_fill( 0, count( $entry_meta ), '%s' ) );
$sql = sprintf( '( form_id = %d AND meta_key IN (%s) )', $form_id, $entry_meta_placeholders );
if ( ! isset( $meta_clauses[ $form_id ] ) ) {
$meta_clauses[ $form_id ] = $wpdb->prepare( $sql, array_keys( $entry_meta ) );
}
}
}
$meta_clauses_str = empty ( $meta_clauses ) ? '' : sprintf( 'OR (%s)', join( ' OR ', $meta_clauses ) );
$sql = sprintf( "
SELECT entry_id, meta_key, meta_value, item_index
FROM $entry_meta_table
WHERE entry_id IN(%s)
AND ( meta_key REGEXP '^[0-9|.]+$'
%s )
", $placeholders, $meta_clauses_str );
$metaset = $wpdb->get_results( $wpdb->prepare( $sql, $ids ), ARRAY_A );
foreach ( $metaset as $meta ) {
$entries[ $meta['entry_id'] ][ $meta['meta_key'] . $meta['item_index'] ] = $meta['meta_value'];
}
$entries_with_encrypted_fields = GFFormsModel::get_openssl_encrypted_fields_by_entries( $ids );
foreach ( $entryset as $entry ) {
if ( isset( $cache['form_meta'][ $entry['form_id'] ] ) ) {
$form = $cache['form_meta'][ $entry['form_id'] ];
} else {
$form = $cache['form_meta'][ $entry['form_id'] ] = RGFormsModel::get_form_meta( $entry['form_id'] );
}
$openssl_encrypted_fields = isset( $entries_with_encrypted_fields[ $entry['id'] ] ) ? $entries_with_encrypted_fields[ $entry['id'] ] : array();
foreach ( $form['fields'] as $field ) {
/* @var GF_Field $field */
$inputs = $field->get_entry_inputs();
if ( is_array( $inputs ) ) {
foreach ( $inputs as $input ) {
$entries[ $entry['id'] ][ (string) $input['id'] ] = gf_apply_filters( array(
'gform_get_input_value',
$form['id'],
$field->id,
$input['id']
), rgar( $entries[ $entry['id'] ], (string) $input['id'] ), $entry, $field, $input['id'] );
}
} else {
$value = rgar( $entries[ $entry['id'] ], (string) $field->id );
if ( in_array( (string) $field->id, $openssl_encrypted_fields ) ) {
$value = GFCommon::openssl_decrypt( $value );
}
$entries[ $entry['id'] ][ $field->id ] = gf_apply_filters( array(
'gform_get_input_value',
$form['id'],
$field->id
), $value, $entry, $field, '' );
}
}
if ( isset( $cache['form_entry_meta'][ $entry['form_id'] ] ) ) {
$entry_meta = $cache['form_entry_meta'][ $entry['form_id'] ];
}
foreach ( array_keys( $entry_meta ) as $meta_key ) {
if ( isset( $entries[ $entry['id'] ][ $meta_key ] ) ) {
$entries[ $entry['id'] ][ $meta_key ] = maybe_unserialize( $entries[ $entry['id'] ][ $meta_key ] );
} else {
$entries[ $entry['id'] ][ $meta_key ] = false;
}
}
GFFormsModel::hydrate_repeaters( $entries[ $entry['id'] ], $form, true );
}
$results = array();
foreach ( $entry_ids as $entry_id ) {
if ( count( $entry_id ) > 1 ) {
$joined_entries = array();
foreach ( $entry_id as $id ) {
if ( ! isset( $entries[ $id ] ) ) {
continue;
}
$joined_entries[ $entries[ $id ][ 'form_id' ] ] = &$entries[ $id ];
}
$results[] = $joined_entries;
} elseif ( count( $entry_id ) == 1 ) {
if ( ! isset( $entries[ $entry_id[0] ] ) ) {
continue;
}
$results[] = &$entries[ $entry_id[0] ];
}
}
return $results;
}
private function set_sub_field_values( $field, $db_values, $sub_field_values, $form, &$entry ) {
if ( isset( $field->fields ) && is_array( $field->fields ) ) {
foreach ( $field->fields as $sub_field ) {
$this->set_sub_field_values( $sub_field, $db_values, $sub_field_values, $form, $entry );
}
return;
}
foreach( $db_values as $key => $db_value ) {
if ( $key == $field->id || preg_match( "/$field->id(\.|_)/", $key ) ) {
$entry[ $key ] = $db_value;
}
}
return;
}
}
