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382 lines
9.7 KiB
PHP
382 lines
9.7 KiB
PHP
<?php
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if($_CPHP !== true) { die(); }
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abstract class CPHPDatabaseRecordClass extends CPHPBaseClass
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{
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public $fill_query = "";
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public $verify_query = "";
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public $table_name = "";
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public $query_cache = 60;
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public $prototype = array();
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public $prototype_render = array();
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public $uData = array();
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public $sId = 0;
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public function __construct($uDataSource, $uCommunityId = 0)
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{
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$this->ConstructDataset($uDataSource, $uCommunityId);
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}
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public function ConstructDataset($uDataSource, $uCommunityId = 0)
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{
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$bind_datasets = true;
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if(is_numeric($uDataSource))
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{
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if($uDataSource != 0)
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{
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if(!empty($this->fill_query))
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{
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$this->sId = (is_numeric($uDataSource)) ? $uDataSource : 0;
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$query = sprintf($this->fill_query, $uDataSource);
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if($result = mysql_query_cached($query, $this->query_cache))
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{
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$uDataSource = $result->data[0];
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}
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else
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{
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$classname = get_class($this);
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throw new NotFoundException("Could not locate {$classname} {$uDataSource} in database.");
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}
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}
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else
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{
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$classname = get_class($this);
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throw new PrototypeException("No fill query defined for {$classname} class.");
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}
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}
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else
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{
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$bind_datasets = false;
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}
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}
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elseif(is_object($uDataSource))
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{
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if(isset($uDataSource->data[0]))
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{
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$uDataSource = $uDataSource->data[0];
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}
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else
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{
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throw new NotFoundException("No result set present in object.");
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}
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}
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elseif(is_array($uDataSource))
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{
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if(isset($uDataSource[0]))
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{
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$uDataSource = $uDataSource[0];
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}
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}
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else
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{
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$classname = get_class($this);
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throw new ConstructorException("Invalid type passed on to constructor for object of type {$classname}.");
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}
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if($bind_datasets === true)
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{
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$this->sId = (is_numeric($uDataSource['Id'])) ? $uDataSource['Id'] : 0;
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$this->uData = $uDataSource;
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foreach($this->prototype as $type => $dataset)
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{
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$this->BindDataset($type, $dataset);
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}
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$this->sFound = true;
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}
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else
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{
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$this->sFound = false;
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}
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if(!empty($uCommunityId) && !empty($this->sCommunityId))
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{
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$sCommunityId = (is_numeric($uCommunityId)) ? $uCommunityId : 0;
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if($sCommunityId != $this->sCommunity->sId)
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{
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$classname = get_class($this);
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throw new OwnershipException("{$classname} {$this->sId} does not belong to Community {$sCommunityId}.");
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}
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}
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}
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public function BindDataset($type, $dataset)
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{
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global $cphp_class_map;
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if(is_array($dataset))
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{
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foreach($dataset as $variable_name => $column_name)
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{
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$original_value = $this->uData[$column_name];
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switch($type)
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{
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case "string":
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$value = htmlspecialchars(stripslashes($original_value));
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$variable_type = CPHP_VARIABLE_SAFE;
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break;
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case "html":
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$value = filter_html(stripslashes($original_value));
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$variable_type = CPHP_VARIABLE_SAFE;
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break;
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case "simplehtml":
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$value = filter_html_strict(stripslashes($original_value));
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$variable_type = CPHP_VARIABLE_SAFE;
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break;
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case "nl2br":
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$value = nl2br(htmlspecialchars(stripslashes($original_value)), false);
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$variable_type = CPHP_VARIABLE_SAFE;
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break;
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case "numeric":
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$value = (is_numeric($original_value)) ? $original_value : 0;
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$variable_type = CPHP_VARIABLE_SAFE;
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break;
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case "timestamp":
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$value = unix_from_mysql($original_value);
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$variable_type = CPHP_VARIABLE_SAFE;
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break;
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case "boolean":
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$value = (empty($original_value)) ? false : true;
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$variable_type = CPHP_VARIABLE_SAFE;
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break;
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case "user":
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$value = new User($original_value);
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$variable_type = CPHP_VARIABLE_SAFE;
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break;
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case "none":
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$value = $original_value;
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$variable_type = CPHP_VARIABLE_UNSAFE;
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break;
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default:
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$found = false;
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foreach($cphp_class_map as $class_type => $class_name)
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{
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if($type == $class_type)
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{
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$value = new $class_name($original_value);
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$variable_type = CPHP_VARIABLE_SAFE;
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$found = true;
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}
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}
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if($found == false)
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{
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$classname = get_class($this);
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throw new Exception("Cannot determine type of dataset ({$type}) passed on to {$classname}.BindDataset.");
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break;
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}
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}
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if($variable_type == CPHP_VARIABLE_SAFE)
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{
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$variable_name_safe = "s" . $variable_name;
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$this->$variable_name_safe = $value;
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}
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$variable_name_unsafe = "u" . $variable_name;
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$this->$variable_name_unsafe = $original_value;
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}
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}
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else
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{
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$classname = get_class($this);
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throw new Exception("Invalid dataset passed on to {$classname}.BindDataset.");
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}
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}
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public function DoRenderInternalTemplate()
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{
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if(!empty($this->render_template))
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{
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$strings = array();
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foreach($this->prototype_render as $template_var => $object_var)
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{
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$variable_name = "s" . $object_var;
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$strings[$template_var] = $this->$variable_name;
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}
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return $this->DoRenderTemplate($this->render_template, $strings);
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}
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else
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{
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$classname = get_class($this);
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throw new Exception("Cannot render template: no template defined for {$classname} class.");
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}
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}
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public function InsertIntoDatabase()
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{
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if(!empty($this->verify_query))
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{
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if($this->sId == 0)
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{
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$insert_mode = CPHP_INSERTMODE_INSERT;
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}
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else
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{
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$query = sprintf($this->verify_query, $this->sId);
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if($result = mysql_query_cached($query))
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{
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$insert_mode = CPHP_INSERTMODE_UPDATE;
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}
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else
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{
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$insert_mode = CPHP_INSERTMODE_INSERT;
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}
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}
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$element_list = array();
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foreach($this->prototype as $type_key => $type_value)
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{
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foreach($type_value as $element_key => $element_value)
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{
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switch($type_key)
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{
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case "none":
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case "numeric":
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case "boolean":
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case "timestamp":
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case "string":
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$element_list[$element_value] = array(
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'key' => $element_key,
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'type' => $type_key
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);
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break;
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default:
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break;
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}
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}
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}
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$sKeyList = array();
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$sValueList = array();
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foreach($element_list as $sKey => $value)
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{
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$variable_name_safe = "s" . $value['key'];
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$variable_name_unsafe = "u" . $value['key'];
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if(isset($this->$variable_name_safe) || isset($this->$variable_name_unsafe))
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{
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switch($value['type'])
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{
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case "none":
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$sFinalValue = mysql_real_escape_string($this->$variable_name_unsafe);
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break;
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case "numeric":
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$number = (isset($this->$variable_name_unsafe)) ? $this->$variable_name_unsafe : $this->$variable_name_safe;
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$sFinalValue = (is_numeric($number)) ? $number : 0;
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break;
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case "boolean":
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$bool = (isset($this->$variable_name_unsafe)) ? $this->$variable_name_unsafe : $this->$variable_name_safe;
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$sFinalValue = ($bool) ? "1" : "0";
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break;
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case "timestamp":
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$sFinalValue = (isset($this->$variable_name_safe)) ? mysql_from_unix($this->$variable_name_safe) : mysql_from_unix(unix_from_local($this->$variable_name_unsafe));
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break;
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case "string":
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$sFinalValue = (isset($this->$variable_name_unsafe)) ? mysql_real_escape_string($this->$variable_name_unsafe) : mysql_real_escape_string($this->$variable_name_safe);
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break;
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case "default":
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$sFinalValue = mysql_real_escape_string($this->$variable_name_unsafe);
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break;
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}
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$sFinalValue = "'{$sFinalValue}'";
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$sKey = "`{$sKey}`";
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$sKeyList[] = $sKey;
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$sValueList[] = $sFinalValue;
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}
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else
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{
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$classname = get_class($this);
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throw new Exception("Database insertion failed: prototype property {$value['key']} not found in object of type {$classname}.");
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}
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}
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if($insert_mode == CPHP_INSERTMODE_INSERT)
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{
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$sQueryKeys = implode(", ", $sKeyList);
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$sQueryValues = implode(", ", $sValueList);
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$query = "INSERT INTO {$this->table_name} ({$sQueryKeys}) VALUES ({$sQueryValues})";
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}
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elseif($insert_mode == CPHP_INSERTMODE_UPDATE)
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{
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$sKeyValueList = array();
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for($i = 0; $i < count($sKeyList); $i++)
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{
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$sKey = $sKeyList[$i];
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$sValue = $sValueList[$i];
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$sKeyValueList[] = "{$sKey} = {$sValue}";
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}
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$sQueryKeysValues = implode(", ", $sKeyValueList);
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$query = "UPDATE {$this->table_name} SET {$sQueryKeysValues} WHERE `Id` = '{$this->sId}'";
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}
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if($result = mysql_query($query))
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{
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if($insert_mode == CPHP_INSERTMODE_INSERT)
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{
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$this->sId = mysql_insert_id();
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}
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return $result;
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}
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else
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{
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$classname = get_class($this);
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throw new DatabaseException("Database insertion query failed in object of type {$classname}. Error message: " . mysql_error());
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}
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}
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else
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{
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$classname = get_class($this);
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throw new Exception("No verification query defined for {$classname} class.");
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}
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}
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public function RetrieveChildren($type, $field)
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{
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if(!isset($cphp_class_map[$type]))
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{
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$classname = get_class($this);
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throw new NotFoundException("Non-existent 'type' argument passed on to {$classname}.RetrieveChildren function.");
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}
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$parent_type = get_parent_class($cphp_class_map[$type]);
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if($parent_type !== "CPHPDatabaseRecordClass")
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{
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$parent_type = ($parent_type === false) ? "NONE" : $parent_type;
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$classname = get_class($this);
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throw new TypeException("{$classname}.RetrieveChildren expected 'type' argument of parent-type CPHPDatabaseRecordClass, but got {$parent_type} instead.");
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}
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$query = "";
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}
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public function PurgeCache()
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{
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$query = sprintf($this->fill_query, $this->sId);
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$key = md5($query) . md5($query . "x");
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mc_delete($key);
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}
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public function RenderTemplate()
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{
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return $this->DoRenderInternalTemplate();
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}
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}
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?>
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