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Added support for batch GraphQL queries #4

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Added support for batch GraphQL queries #4

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87 changes: 47 additions & 40 deletions src/loader.php
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Original file line number Diff line number Diff line change
Expand Up @@ -133,50 +133,57 @@ public function get_operation_name( $data ) {
* @throws UserError Caught and handled by WPGraphQL
*/
public function process_request_data( $request_data ) {
$has_query = ! empty( $request_data['query'] );
$has_query_id = ! empty( $request_data['queryId'] );

if ( Settings::is_generate_ids_enabled() && ! $has_query_id ) {
$request_data['queryId'] = $this->generate_query_id( $request_data['query'] );
$has_query_id = true;
}

if ( Settings::is_locked() ) {
if ( ! $has_query_id ) {
throw new UserError( sprintf(
'WP GraphQL Lock Queries is in lock mode: queryId is required for %s',
$this->get_operation_name( $request_data )
) );
}

// No custom queries allowed in lock mode
unset( $request_data['query'] );
$has_query = false;
}
$request_data_array = is_array($request_data) ? $request_data : [$request_data];

foreach ($request_data_array as $request_data_item) {

$has_query = ! empty( $request_data_item['query'] );
$has_query_id = ! empty( $request_data_item['queryId'] );

if ( Settings::is_generate_ids_enabled() && ! $has_query_id ) {
$request_data_item['queryId'] = $this->generate_query_id( $request_data_item['query'] );
$has_query_id = true;
}

if ( Settings::is_locked() ) {
if ( ! $has_query_id ) {
throw new UserError( sprintf(
'WP GraphQL Lock Queries is in lock mode: queryId is required for %s',
$this->get_operation_name( $request_data_item )
) );
}

// No custom queries allowed in lock mode
unset( $request_data_item['query'] );
$has_query = false;
}

// Query IDs are case-insensitive.
$query_id = $has_query_id ? strtolower( $request_data_item['queryId'] ) : null;

// Client sends *both* queryId and query == request to persist query.
if ( $has_query_id && $has_query ) {
$this->save( $query_id, $request_data_item['query'], $this->get_operation_name( $request_data_item ) );
}
$operation_name = empty($request_data_item['operationName']) ? null : $request_data_item['operationName'];
// Client sends queryId but *not* query == optimistic request to use
// persisted query.
if ( $has_query_id && ! $has_query ) {
$request_data_item['query'] = $this->load( $query_id, $operation_name );

// If the query is empty, that means it has not been persisted.
if ( empty( $request_data_item['query'] ) ) {
throw new UserError( json_encode($request_data_item).$this->error_message );
}
}

// We've got this. Call off any other persistence implementations.
unset( $request_data_item['queryId'] );

// Query IDs are case-insensitive.
$query_id = $has_query_id ? strtolower( $request_data['queryId'] ) : null;

// Client sends *both* queryId and query == request to persist query.
if ( $has_query_id && $has_query ) {
$this->save( $query_id, $request_data['query'], $this->get_operation_name( $request_data ) );
}
$operation_name = empty($request_data['operationName']) ? null : $request_data['operationName'];
// Client sends queryId but *not* query == optimistic request to use
// persisted query.
if ( $has_query_id && ! $has_query ) {
$request_data['query'] = $this->load( $query_id, $operation_name );

// If the query is empty, that means it has not been persisted.
if ( empty( $request_data['query'] ) ) {
throw new UserError( $this->error_message );
}
}

// We've got this. Call off any other persistence implementations.
unset( $request_data['queryId'] );

return $request_data;
return $request_data_array;
}

/**
Expand Down