/**
* Used to get related records of a result set in a Many-to-Many relationship
*
* @access public
* @param array $results the result set (an array of records)
* @param string $table the name of the other table
* @return array the result set with related records
*/
function joinMany2Many($results, $table)
{
// Get relationship
$other_rel = $this->_other_obj->getRelationship($table);
if (autocrud_is_error($other_rel)) {
return $this->halt('no-relationship');
}
// Get other object and other fields
$other_obj =& $other_rel->getOther();
$owner_field = $other_rel->getOwnerField();
$other_field = $other_rel->getOtherField();
$ids_list = array();
$newresults = array();
$keys = array();
// Get ID's from results
foreach ($results as $key => $row) {
// Get ID
$id = $row[$this->_owner_field];
$ids_list[] = $id;
// Copy to a new array, and add it under its own ID
$newresults[$id] = $row;
// Save key (in case a specific key was being used)
$keys[] = $key;
}
$results = $newresults;
$ids_list = array_unique($ids_list);
$ids_list = implode("', '", $ids_list);
// Get records from in between table
$this->_other_obj->where = "`" . $this->_other_field . "` IN ('" . $ids_list . "')";
$between = $this->_other_obj->select();
// Collect ID's from in between table
$ids_list = array();
foreach ($between as $row) {
// Get ID
$id = $row[$table];
$ids_list[] = $id;
}
$ids_list = array_unique($ids_list);
$ids_list = implode("', '", $ids_list);
// Get records from other table
$crud =& $this->_other_obj->getParent();
$other_obj->where = "`" . $other_field . "` IN ('" . $ids_list . "')";
$other = $other_obj->select($other_field);
// Match up results with other records
$name = $other_obj->getName();
foreach ($between as $row) {
$id_owner = $row[$this->_other_field];
$id_other = $row[$owner_field];
// Owner exists?
if (!isset($results[$id_owner])) {
continue;
}
// Other exists?
if (!isset($other[$id_other])) {
continue;
}
$owner_row =& $results[$id_owner];
$other_row =& $other[$id_other];
// Make sure owner table array property exists
if (!isset($owner_row[$name])) {
$owner_row[$name] = array();
}
// Add other row to owner
$owner_row[$name][] = $other_row;
}
// Return keys
$newresults = array();
$i = 0;
foreach ($results as $row) {
$key = $keys[$i];
$newresults[$key] = $row;
$i++;
}
$results = $newresults;
return $results;
}
/**
* Used to delete an existing record, like this:
* <code>$crud->table->delete (23);</code>
*
* @access public
* @param mixed $id the ID of the record you want to delete
* @return mixed true on success, error object on failure
*/
function delete($id = '')
{
// Begin SQL query
$sql = "DELETE FROM `" . $this->table . "`";
// Id been passed?
if (!empty($id)) {
$sql .= " WHERE `" . $this->key . "` = " . $this->quote($id) . " ";
}
// WHERE property set?
if (!empty($this->where)) {
if (empty($id)) {
$sql .= " WHERE ";
}
$sql .= $this->where;
$this->where = '';
}
// Execute query
$result = $this->_parent->query($sql);
if (autocrud_is_error($result)) {
return $result;
}
return true;
}