141 lines
3.9 KiB
PHP
141 lines
3.9 KiB
PHP
<?php
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/*
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* Copyright (c) 2011 Eike Foken <kontakt@eikefoken.de>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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/**
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* Model for parameters.
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*
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* Each program has many parameters used for configuration of trials.
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*
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* @author Eike Foken <kontakt@eikefoken.de>
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*/
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class Parameter extends CI_Model {
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/**
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* Contains the possible types for parameters.
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*
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* @var array
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*/
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private $availableTypes = array('boolean', 'integer', 'float', 'string', 'array');
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/**
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* Calls the parent constructor.
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*/
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public function __construct() {
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parent::__construct();
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}
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/**
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* Gets all available parameters for a program.
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*
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* @param string $programId
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* @return array
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*/
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public function getAll($programId) {
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return $this->db->order_by('sort_number ASC')
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->get_where('parameters', array('program_id' => $programId))->result_array();
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}
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/**
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* Gets a specific parameter.
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*
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* @param string $id
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*/
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public function getById($id) {
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return $this->db->get_where('parameters', array('id' => $id))->row_array();
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}
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/**
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* Gets the possible parameter types.
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*/
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public function getTypes() {
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return $this->availableTypes;
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}
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/**
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* Creates a new parameter.
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*
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* @param array $data
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* @return mixed Returns the ID of the created parameter, or FALSE if
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* the insert was unsuccessful.
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*/
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public function create($data) {
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$this->load->helper('hash');
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if (!isset($data['program_id'])) {
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return false;
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}
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do { // generate unique hash
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$data['id'] = random_hash('16');
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} while ($this->db->where('id', $data['id'])->from('parameters')->count_all_results() > 0);
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// put new parameter to the end
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$data['sort_number'] = $this->db->select_max('sort_number')
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->get_where('parameters', array('program_id' => $data['program_id']))
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->row()->sort_number + 1;
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$this->db->insert('parameters', $data);
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return $this->db->affected_rows() > 0 ? $data['id'] : false;
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}
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/**
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* Updates a parameter.
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*
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* @param array $data
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* @param string $id
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* @return boolean Returns TRUE if the update was successful.
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*/
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public function update($data, $id) {
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$this->db->update('parameters', $data, array('id' => $id));
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return $this->db->affected_rows() == 1;
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}
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/**
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* Deletes a specified parameter.
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*
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* @param string $id
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* @return boolean Returns TRUE if the deletion was successful.
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*/
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public function delete($id) {
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$this->db->delete('parameters', array('id' => $id));
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return $this->db->affected_rows() == 1;
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}
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/**
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* Saves the order of an array of parameters.
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*
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* @param array $parameters
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* @return boolean Returns TRUE if the new order was successfully saved.
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*/
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public function sort($parameters) {
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foreach ($parameters as $number => $id) {
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$this->db->update('parameters', array('sort_number' => $number), array('id' => $id));
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}
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return $this->db->affected_rows() > 0;
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}
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}
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/* End of file parameter.php */
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/* Location: ./application/models/parameter.php */
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