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-rwxr-xr-xh-source/Library/Model/Tree.php307
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diff --git a/h-source/Library/Model/Tree.php b/h-source/Library/Model/Tree.php
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--- a/h-source/Library/Model/Tree.php
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-<?php
-
-// EasyGiant is a PHP framework for creating and managing dynamic content
-//
-// Copyright (C) 2009 - 2011 Antonio Gallo
-// See COPYRIGHT.txt and LICENSE.txt.
-//
-// This file is part of EasyGiant
-//
-// EasyGiant is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// EasyGiant is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with EasyGiant. If not, see <http://www.gnu.org/licenses/>.
-
-if (!defined('EG')) die('Direct access not allowed!');
-
-class Model_Tree extends Model_Base {
-
- public function __construct() {
- parent::__construct();
- }
-
- //method to create the first part of where clause
- //$index: the index of $this->_tablesArray
- public function createTreeWhere($index) {
- if (!empty($this->on))
- {
- return $this->on;
- }
- else
- {
- $whereArray = array();
- for ($i = $index; $i < (count($this->_tablesArray)-1); $i++)
- {
- $whereArray[] = $this->_tablesArray[$i].'.'.$this->_idFieldsArray[$i+1].'='.$this->_tablesArray[$i+1].'.'.$this->_idFieldsArray[$i+1];
- }
- $whereString = !empty($whereArray) ? implode(' and ',$whereArray) : null;
- return $whereString;
- }
- }
-
- //create the list of tables of the select query
- //$index: the index of $this->_tablesArray
- public function createTablesList($index) {
- if (isset($this->from))
- {
- return $this->from;
- }
- else
- {
- $tablesString = null;
- for ($i = $index; $i < (count($this->_tablesArray)-1); $i++)
- {
- $tablesString .= $this->_tablesArray[$i] . ',';
- }
- $tablesString .= $this->_tablesArray[count($this->_tablesArray)-1];
- return $tablesString;
- }
- }
-
- //method to create the list of fields of the select query
- public function createFieldsList($index) {
- $fieldsString = null;
- for ($i = $index; $i < (count($this->_tablesArray)-1); $i++)
- {
- $fieldsString .= $this->_tablesArray[$i] . '.*,';
- }
- $fieldsString .= $this->_tablesArray[count($this->_tablesArray)-1].'.*';
- return $fieldsString;
- }
-
-
- //method to create the where clause and the list of tables and fields of the select query
- //$tableName: the table name ($this->_tablesArray)
- //$choice:all->all the tables in $this->_arrayTables, other value->only the table of $this->_arrayTables ad index $index
- //return: $elements = array('tables'=>$tables,'where'=>$where,'fields'=>$fields)
- public function treeQueryElements($tableName,$choice = 'all')
- {
- $index = array_search($tableName,$this->_tablesArray);
- $subArray = ($choice === 'all') ? array_slice($this->_tablesArray,$index) : array($tableName); //this array is necessary to verify that the where clause makes sense
- $tables = ($choice === 'all') ? $this->createTablesList($index) : $tableName;
- $where = ($choice === 'all') ? $this->createTreeWhere($index) : null;
- $fields = ($choice === 'all') ? $this->createFieldsList($index) : $tableName.'.*';
-
- $wherePlus = $this->createWhereClause();
-
- if (empty($this->on))
- {
- $on = array();
-
- if (isset($where) and isset($wherePlus))
- {
- $where .= ' AND ' . $wherePlus;
- }
- else if (!isset($where) and isset($wherePlus))
- {
- $where .= $wherePlus;
- }
- }
- else
- {
- $on = $where;
- $where = $wherePlus;
- }
-
- return array('tables' => $tables,'where' => $where,'fields'=>$fields,'on'=>$on);
- }
-
-
- //method to obtain the values of the whole tree
- //$choice:all->all the tables in $this->_arrayTables, other value->only the table of $this->_arrayTables ad index $index
- public function getAll($choice = 'all') {
- return $this->getFields('',$choice);
- }
-
- //method to get the values of the selected fields
- //it walks the tree by means of a join query
- //$fields: the fields that have to be excracted from the tableName
- public function getFields($fields = '',$choice = 'all')
- {
- $elements = $this->treeQueryElements($this->_tablesArray[0],$choice);
-
- $queryFields = (strcmp($fields,'') === 0) ? $elements['fields'] : $fields;
-
- return $row = $this->db->select($elements['tables'],$queryFields,$elements['where'],$this->groupBy,$this->orderBy,$this->limit,$elements['on'],$this->using,$this->join);
- }
-
- public function send()
- {
- $table = $this->getFields($this->select);
-
- if ($this->toList)
- {
- $key = $this->listArray[0];
- $value = isset($this->listArray[1]) ? $this->listArray[1] : null;
- $this->toList = false;
- return $this->getList($table, $key, $value);
- }
- else
- {
- return $table;
- }
- }
-
- //call the getAll method with $tableName = $this->_tablesArray[0]
- //the fields that have to be extracted from the table
- public function getTable($fields = null) {
- return isset($fields) ? $this->getFields($fields) : $this->getAll();
- }
-
- //select the values of a specified record
- //$id: the id (primary key) of the record
- //$fields: the comma separated list of fields that have to be extracted
- public function selectId($id,$fields = null) {
- $tempWhere = $this->where;
- $this->setWhereQueryClause(array($this->_idFieldsArray[0] => (int)$id));
-
- $this->using = null;
-
- if (isset($fields))
- {
- $values = $this->getFields($fields,'other');
- }
- else
- {
- $values = $this->getAll('other');
- }
-
- $this->where = $tempWhere;
-
- return (count($values) > 0) ? $values[0][$this->_tablesArray[0]] : array();
-
- }
-
- //get the number of records ()
- //the number of records of the table $tableName is returned
- public function rowNumber() {
- $elements = $this->treeQueryElements($this->_tablesArray[0]);
- return $this->db->get_num_rows($elements['tables'],$elements['where'],$this->groupBy,$elements['on'],$this->using,$this->join);
- }
-
- public function getMax($field)
- {
- $elements = $this->treeQueryElements($this->_tablesArray[0]);
- return $this->db->getMax($elements['tables'],$field,$elements['where'],$this->groupBy,$elements['on'],$this->using,$this->join);
- }
-
- public function getMin($field)
- {
- $elements = $this->treeQueryElements($this->_tablesArray[0]);
- return $this->db->getMin($elements['tables'],$field,$elements['where'],$this->groupBy,$elements['on'],$this->using,$this->join);
- }
-
- public function getSum($field)
- {
- $elements = $this->treeQueryElements($this->_tablesArray[0]);
- return $this->db->getSum($elements['tables'],$field,$elements['where'],$this->groupBy,$elements['on'],$this->using,$this->join);
- }
-
- public function getAvg($field)
- {
- $elements = $this->treeQueryElements($this->_tablesArray[0]);
- return $this->db->getAvg($elements['tables'],$field,$elements['where'],$this->groupBy,$elements['on'],$this->using,$this->join);
- }
-
- //check if the table has the field $field equal to $value
- public function has($field,$value)
- {
- $elements = $this->treeQueryElements($this->_tablesArray[0]);
- return $this->db->recordExists($elements['tables'],$field,$value,$elements['where'],$this->groupBy,$elements['on'],$this->using,$this->join);
- }
-
-// //get the number of records of the table $this->_tablesArray[0]
-// public function rowNumber() {
-// return $this->recordNumber($this->_tablesArray[0]);
-// }
-
- //method to call the delete query (overriding of the del method of Model.php)
- //check the referential integrity
- public function del($id = null, $whereClause = null)
- {
- $this->queryResult = false;
-
- if (isset($whereClause))
- {
- return parent::del(null,$whereClause);
- }
- else
- {
- if ($this->_onDelete === 'check' and isset($this->_reference))
- {
- if (isset($this->_reference[0]) and isset($this->_reference[1]))
- {
- if ($this->db->recordExists($this->_reference[0],$this->_reference[1],(int)$id))
- {
- $this->notice = $this->_resultString->getString('associate');
- $this->identifierValue = null;
- $this->result = false;
- }
- else
- {
- return parent::del((int)$id);
- }
- }
- else
- {
- throw new Exception('you have forgotten to set \'$this->_reference\' or you have forgotten to set $this->_onDelete = \'nocheck\'');
- }
- }
- else
- {
- return parent::del((int)$id);
- }
- }
- return false;
- }
-
- //method to obtain one columns from the tables $this->_tablesArray as an associative array
- //$valueField: the column that have to be extracted (array_values of the resulting associative array), $keyField: the column that have to play the role of array_keys
- public function getFieldArray($valueField,$keyField = null, $groupBy = null, $orderBy = null, $limit = null) {
-
- $keyField = isset($keyField) ? $keyField : $valueField;
- $valueFieldArray = explode(':',$valueField);
- $keyFieldArray = explode(':',$keyField);
-
- $keyFieldTable = $keyFieldArray[0];
- $valueFieldTable = $valueFieldArray[0];
-
- $keyFieldName = $keyFieldArray[1];
- $valueFieldName = $valueFieldArray[1];
-
- $fields = implode('.',$keyFieldArray) . ',' . implode('.',$valueFieldArray);
-
- $temp = $this->where; //save the $this->where array
- $this->where = array();
-
- if (strcmp($keyFieldTable,$valueFieldTable) !== 0) {
- throw new Exception("the tables '$valueFieldTable' and '$keyFieldTable' do not match in ".__METHOD__);
- }
-
- if (!in_array($keyFieldTable,$this->_tablesArray)) {
- throw new Exception("the table '$keyFieldTable' is not allowed in ".__METHOD__);
- }
-
- $elements = $this->treeQueryElements($keyFieldTable,'');
-
- $table = $this->db->select($elements['tables'],$fields,$elements['where'],$groupBy,$orderBy,$limit,$elements['on'],$this->using);
- $this->where = $temp;
-
- $returnArray = array();
- foreach ($table as $record) {
- $returnArray[$record[$keyFieldTable][$keyFieldName]] = $record[$valueFieldTable][$valueFieldName];
- }
-
- return $returnArray;
-
- }
-
-} \ No newline at end of file