/** * Instantiate a ClassRegistration from a Database Row. * Takes in an optional strAliasPrefix, used in case another Object::InstantiateDbRow * is calling this ClassRegistration::InstantiateDbRow in order to perform * early binding on referenced objects. * @param QDatabaseRowBase $objDbRow * @param string $strAliasPrefix * @param string $strExpandAsArrayNodes * @param QBaseClass $objPreviousItem * @param string[] $strColumnAliasArray * @return ClassRegistration */ public static function InstantiateDbRow($objDbRow, $strAliasPrefix = null, $strExpandAsArrayNodes = null, $objPreviousItem = null, $strColumnAliasArray = array()) { // If blank row, return null if (!$objDbRow) { return null; } // See if we're doing an array expansion on the previous item $strAlias = $strAliasPrefix . 'signup_entry_id'; $strAliasName = array_key_exists($strAlias, $strColumnAliasArray) ? $strColumnAliasArray[$strAlias] : $strAlias; if ($strExpandAsArrayNodes && $objPreviousItem && $objPreviousItem->intSignupEntryId == $objDbRow->GetColumn($strAliasName, 'Integer')) { // We are. Now, prepare to check for ExpandAsArray clauses $blnExpandedViaArray = false; if (!$strAliasPrefix) { $strAliasPrefix = 'class_registration__'; } $strAlias = $strAliasPrefix . 'classattendence__id'; $strAliasName = array_key_exists($strAlias, $strColumnAliasArray) ? $strColumnAliasArray[$strAlias] : $strAlias; if (array_key_exists($strAlias, $strExpandAsArrayNodes) && !is_null($objDbRow->GetColumn($strAliasName))) { if ($intPreviousChildItemCount = count($objPreviousItem->_objClassAttendenceArray)) { $objPreviousChildItem = $objPreviousItem->_objClassAttendenceArray[$intPreviousChildItemCount - 1]; $objChildItem = ClassAttendence::InstantiateDbRow($objDbRow, $strAliasPrefix . 'classattendence__', $strExpandAsArrayNodes, $objPreviousChildItem, $strColumnAliasArray); if ($objChildItem) { $objPreviousItem->_objClassAttendenceArray[] = $objChildItem; } } else { $objPreviousItem->_objClassAttendenceArray[] = ClassAttendence::InstantiateDbRow($objDbRow, $strAliasPrefix . 'classattendence__', $strExpandAsArrayNodes, null, $strColumnAliasArray); } $blnExpandedViaArray = true; } // Either return false to signal array expansion, or check-to-reset the Alias prefix and move on if ($blnExpandedViaArray) { return false; } else { if ($strAliasPrefix == 'class_registration__') { $strAliasPrefix = null; } } } // Create a new instance of the ClassRegistration object $objToReturn = new ClassRegistration(); $objToReturn->__blnRestored = true; $strAliasName = array_key_exists($strAliasPrefix . 'signup_entry_id', $strColumnAliasArray) ? $strColumnAliasArray[$strAliasPrefix . 'signup_entry_id'] : $strAliasPrefix . 'signup_entry_id'; $objToReturn->intSignupEntryId = $objDbRow->GetColumn($strAliasName, 'Integer'); $objToReturn->__intSignupEntryId = $objDbRow->GetColumn($strAliasName, 'Integer'); $strAliasName = array_key_exists($strAliasPrefix . 'class_meeting_id', $strColumnAliasArray) ? $strColumnAliasArray[$strAliasPrefix . 'class_meeting_id'] : $strAliasPrefix . 'class_meeting_id'; $objToReturn->intClassMeetingId = $objDbRow->GetColumn($strAliasName, 'Integer'); $strAliasName = array_key_exists($strAliasPrefix . 'person_id', $strColumnAliasArray) ? $strColumnAliasArray[$strAliasPrefix . 'person_id'] : $strAliasPrefix . 'person_id'; $objToReturn->intPersonId = $objDbRow->GetColumn($strAliasName, 'Integer'); $strAliasName = array_key_exists($strAliasPrefix . 'class_grade_id', $strColumnAliasArray) ? $strColumnAliasArray[$strAliasPrefix . 'class_grade_id'] : $strAliasPrefix . 'class_grade_id'; $objToReturn->intClassGradeId = $objDbRow->GetColumn($strAliasName, 'Integer'); $strAliasName = array_key_exists($strAliasPrefix . 'childcare_notes', $strColumnAliasArray) ? $strColumnAliasArray[$strAliasPrefix . 'childcare_notes'] : $strAliasPrefix . 'childcare_notes'; $objToReturn->strChildcareNotes = $objDbRow->GetColumn($strAliasName, 'Blob'); // Instantiate Virtual Attributes foreach ($objDbRow->GetColumnNameArray() as $strColumnName => $mixValue) { $strVirtualPrefix = $strAliasPrefix . '__'; $strVirtualPrefixLength = strlen($strVirtualPrefix); if (substr($strColumnName, 0, $strVirtualPrefixLength) == $strVirtualPrefix) { $objToReturn->__strVirtualAttributeArray[substr($strColumnName, $strVirtualPrefixLength)] = $mixValue; } } // Prepare to Check for Early/Virtual Binding if (!$strAliasPrefix) { $strAliasPrefix = 'class_registration__'; } // Check for SignupEntry Early Binding $strAlias = $strAliasPrefix . 'signup_entry_id__id'; $strAliasName = array_key_exists($strAlias, $strColumnAliasArray) ? $strColumnAliasArray[$strAlias] : $strAlias; if (!is_null($objDbRow->GetColumn($strAliasName))) { $objToReturn->objSignupEntry = SignupEntry::InstantiateDbRow($objDbRow, $strAliasPrefix . 'signup_entry_id__', $strExpandAsArrayNodes, null, $strColumnAliasArray); } // Check for ClassMeeting Early Binding $strAlias = $strAliasPrefix . 'class_meeting_id__signup_form_id'; $strAliasName = array_key_exists($strAlias, $strColumnAliasArray) ? $strColumnAliasArray[$strAlias] : $strAlias; if (!is_null($objDbRow->GetColumn($strAliasName))) { $objToReturn->objClassMeeting = ClassMeeting::InstantiateDbRow($objDbRow, $strAliasPrefix . 'class_meeting_id__', $strExpandAsArrayNodes, null, $strColumnAliasArray); } // Check for Person Early Binding $strAlias = $strAliasPrefix . 'person_id__id'; $strAliasName = array_key_exists($strAlias, $strColumnAliasArray) ? $strColumnAliasArray[$strAlias] : $strAlias; if (!is_null($objDbRow->GetColumn($strAliasName))) { $objToReturn->objPerson = Person::InstantiateDbRow($objDbRow, $strAliasPrefix . 'person_id__', $strExpandAsArrayNodes, null, $strColumnAliasArray); } // Check for ClassGrade Early Binding $strAlias = $strAliasPrefix . 'class_grade_id__id'; $strAliasName = array_key_exists($strAlias, $strColumnAliasArray) ? $strColumnAliasArray[$strAlias] : $strAlias; if (!is_null($objDbRow->GetColumn($strAliasName))) { $objToReturn->objClassGrade = ClassGrade::InstantiateDbRow($objDbRow, $strAliasPrefix . 'class_grade_id__', $strExpandAsArrayNodes, null, $strColumnAliasArray); } // Check for ClassAttendence Virtual Binding $strAlias = $strAliasPrefix . 'classattendence__id'; $strAliasName = array_key_exists($strAlias, $strColumnAliasArray) ? $strColumnAliasArray[$strAlias] : $strAlias; if (!is_null($objDbRow->GetColumn($strAliasName))) { if ($strExpandAsArrayNodes && array_key_exists($strAlias, $strExpandAsArrayNodes)) { $objToReturn->_objClassAttendenceArray[] = ClassAttendence::InstantiateDbRow($objDbRow, $strAliasPrefix . 'classattendence__', $strExpandAsArrayNodes, null, $strColumnAliasArray); } else { $objToReturn->_objClassAttendence = ClassAttendence::InstantiateDbRow($objDbRow, $strAliasPrefix . 'classattendence__', $strExpandAsArrayNodes, null, $strColumnAliasArray); } } return $objToReturn; }
/** * Instantiate a single ClassGrade object from a query cursor (e.g. a DB ResultSet). * Cursor is automatically moved to the "next row" of the result set. * Will return NULL if no cursor or if the cursor has no more rows in the resultset. * @param QDatabaseResultBase $objDbResult cursor resource * @return ClassGrade next row resulting from the query */ public static function InstantiateCursor(QDatabaseResultBase $objDbResult) { // If blank resultset, then return empty result if (!$objDbResult) { return null; } // If empty resultset, then return empty result $objDbRow = $objDbResult->GetNextRow(); if (!$objDbRow) { return null; } // We need the Column Aliases $strColumnAliasArray = $objDbResult->QueryBuilder->ColumnAliasArray; if (!$strColumnAliasArray) { $strColumnAliasArray = array(); } // Pull Expansions (if applicable) $strExpandAsArrayNodes = $objDbResult->QueryBuilder->ExpandAsArrayNodes; // Load up the return result with a row and return it return ClassGrade::InstantiateDbRow($objDbRow, null, $strExpandAsArrayNodes, null, $strColumnAliasArray); }