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94 lines
3.7 KiB
PHP
94 lines
3.7 KiB
PHP
<?php // $Id$
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///////////////////////////////////////////////////////////////////////////
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// //
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// NOTICE OF COPYRIGHT //
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// //
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// Moodle - Modular Object-Oriented Dynamic Learning Environment //
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// http://moodle.com //
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// //
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// Copyright (C) 2001-2003 Martin Dougiamas http://dougiamas.com //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation; either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details: //
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// //
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// http://www.gnu.org/copyleft/gpl.html //
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// //
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///////////////////////////////////////////////////////////////////////////
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require_once('grade_object.php');
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/**
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* A calculation string used to compute the value displayed by a grade_item.
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* There can be only one grade_calculation per grade_item (one-to-one).
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*/
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class grade_calculation extends grade_object {
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/**
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* DB Table (used by grade_object).
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* @var string $table
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*/
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var $table = 'grade_calculations';
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/**
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* Array of class variables that are not part of the DB table fields
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* @var array $nonfields
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*/
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var $nonfields = array('table', 'nonfields');
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/**
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* A reference to the grade_item this calculation belongs to.
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* @var int $itemid
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*/
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var $itemid;
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/**
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* The string representation of the calculation.
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* @var string $calculation
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*/
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var $calculation;
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/**
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* The userid of the person who last modified this calculation.
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* @var int $usermodified
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*/
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var $usermodified;
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/**
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* Finds and returns a grade_calculation object based on 1-3 field values.
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*
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* @param boolean $static Unless set to true, this method will also set $this object with the returned values.
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* @param string $field1
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* @param string $value1
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* @param string $field2
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* @param string $value2
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* @param string $field3
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* @param string $value3
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* @param string $fields
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* @return object grade_calculation object or false if none found.
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*/
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function fetch($field1, $value1, $field2='', $value2='', $field3='', $value3='', $fields="*") {
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if ($grade_calculation = get_record('grade_calculations', $field1, $value1, $field2, $value2, $field3, $value3, $fields)) {
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if (!isset($this)) {
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$grade_calculation = new grade_calculation($grade_calculation);
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return $grade_calculation;
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} else {
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foreach ($grade_calculation as $param => $value) {
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$this->$param = $value;
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}
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return $this;
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}
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} else {
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return false;
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}
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}
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}
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?>
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