255 lines
8.1 KiB
PHP
255 lines
8.1 KiB
PHP
<?php
|
|
namespace ZM;
|
|
require_once('database.php');
|
|
|
|
$object_cache = array();
|
|
|
|
class ZM_Object {
|
|
|
|
public function __construct($IdOrRow = NULL) {
|
|
$class = get_class($this);
|
|
global $object_cache;
|
|
if ( ! isset($object_cache[$class]) )
|
|
$object_cache[$class] = array();
|
|
$cache = $object_cache[$class];
|
|
|
|
$table = $class::$table;
|
|
|
|
$row = NULL;
|
|
if ( $IdOrRow ) {
|
|
if ( is_integer($IdOrRow) or ctype_digit($IdOrRow) ) {
|
|
$row = dbFetchOne("SELECT * FROM `$table` WHERE `Id`=?", NULL, array($IdOrRow));
|
|
if ( !$row ) {
|
|
Error("Unable to load $class record for Id=$IdOrRow");
|
|
}
|
|
} elseif ( is_array($IdOrRow) ) {
|
|
$row = $IdOrRow;
|
|
}
|
|
} # end if isset($IdOrRow)
|
|
if ( $row ) {
|
|
foreach ($row as $k => $v) {
|
|
$this->{$k} = $v;
|
|
}
|
|
$cache[$row['Id']] = $this;
|
|
} else {
|
|
# Set defaults
|
|
foreach ( $this->defaults as $k => $v ) $this->{$k} = $v;
|
|
}
|
|
}
|
|
|
|
public function __call($fn, array $args){
|
|
if ( count($args) ) {
|
|
$this->{$fn} = $args[0];
|
|
}
|
|
if ( array_key_exists($fn, $this) ) {
|
|
return $this->{$fn};
|
|
} else {
|
|
if ( array_key_exists($fn, $this->defaults) ) {
|
|
return $this->defaults{$fn};
|
|
} else {
|
|
$backTrace = debug_backtrace();
|
|
Warning("Unknown function call Sensor->$fn from ".print_r($backTrace,true));
|
|
}
|
|
}
|
|
}
|
|
|
|
public static function _find($class, $parameters = null, $options = null ) {
|
|
$table = $class::$table;
|
|
$filters = array();
|
|
$sql = "SELECT * FROM `$table` ";
|
|
$values = array();
|
|
|
|
if ( $parameters ) {
|
|
$fields = array();
|
|
$sql .= 'WHERE ';
|
|
foreach ( $parameters as $field => $value ) {
|
|
if ( $value == null ) {
|
|
$fields[] = '`'.$field.'` IS NULL';
|
|
} else if ( is_array($value) ) {
|
|
$func = function(){return '?';};
|
|
$fields[] = '`'.$field.'` IN ('.implode(',', array_map($func, $value)). ')';
|
|
$values += $value;
|
|
|
|
} else {
|
|
$fields[] = '`'.$field.'`=?';
|
|
$values[] = $value;
|
|
}
|
|
}
|
|
$sql .= implode(' AND ', $fields );
|
|
}
|
|
if ( $options ) {
|
|
if ( isset($options['order']) ) {
|
|
$sql .= ' ORDER BY ' . $options['order'];
|
|
}
|
|
if ( isset($options['limit']) ) {
|
|
if ( is_integer($options['limit']) or ctype_digit($options['limit']) ) {
|
|
$sql .= ' LIMIT ' . $options['limit'];
|
|
} else {
|
|
Error('Invalid value for limit('.$options['limit'].') passed to '.get_class()."::find from ".print_r($backTrace,true));
|
|
return array();
|
|
}
|
|
}
|
|
}
|
|
$rows = dbFetchAll($sql, NULL, $values);
|
|
$results = array();
|
|
if ( $rows ) {
|
|
foreach ( $rows as $row ) {
|
|
array_push($results , new $class($row));
|
|
}
|
|
}
|
|
return $results;
|
|
} # end public function find()
|
|
|
|
public static function _find_one($class, $parameters = array(), $options = array() ) {
|
|
global $object_cache;
|
|
if ( ! isset($object_cache[$class]) )
|
|
$object_cache[$class] = array();
|
|
$cache = $object_cache[$class];
|
|
if (
|
|
( count($parameters) == 1 ) and
|
|
isset($parameters['Id']) and
|
|
isset($cache[$parameters['Id']]) ) {
|
|
return $cache[$parameters['Id']];
|
|
}
|
|
$options['limit'] = 1;
|
|
$results = ZM_Object::_find($class, $parameters, $options);
|
|
if ( ! sizeof($results) ) {
|
|
return;
|
|
}
|
|
return $results[0];
|
|
}
|
|
|
|
public static function Objects_Indexed_By_Id($class) {
|
|
$results = array();
|
|
foreach ( ZM_Object::_find($class, null, array('order'=>'lower(Name)')) as $Object ) {
|
|
$results[$Object->Id()] = $Object;
|
|
}
|
|
return $results;
|
|
}
|
|
|
|
public function to_json() {
|
|
$json = array();
|
|
foreach ($this->defaults as $key => $value) {
|
|
if ( is_callable(array($this, $key)) ) {
|
|
$json[$key] = $this->$key();
|
|
} else if ( array_key_exists($key, $this) ) {
|
|
$json[$key] = $this->{$key};
|
|
} else {
|
|
$json[$key] = $this->defaults{$key};
|
|
}
|
|
}
|
|
return json_encode($json);
|
|
}
|
|
|
|
public function set($data) {
|
|
foreach ( $data as $k => $v ) {
|
|
if ( method_exists($this, $k) ) {
|
|
$this->{$k}($v);
|
|
} else {
|
|
if ( is_array($v) ) {
|
|
# perhaps should turn into a comma-separated string
|
|
$this->{$k} = implode(',', $v);
|
|
} else if ( is_string($v) ) {
|
|
if ( $v == '' and array_key_exists($k, $this->defaults) ) {
|
|
$this->{$k} = $this->defaults[$k];
|
|
} else {
|
|
$this->{$k} = trim($v);
|
|
}
|
|
} else if ( is_integer($v) ) {
|
|
$this->{$k} = $v;
|
|
} else if ( is_bool($v) ) {
|
|
$this->{$k} = $v;
|
|
} else if ( is_null($v) ) {
|
|
$this->{$k} = $v;
|
|
} else {
|
|
Error( "Unknown type $k => $v of var " . gettype( $v ) );
|
|
$this->{$k} = $v;
|
|
}
|
|
} # end if method_exists
|
|
} # end foreach $data as $k=>$v
|
|
}
|
|
|
|
public function changes( $new_values ) {
|
|
$changes = array();
|
|
foreach ( $new_values as $field => $value ) {
|
|
|
|
if ( method_exists($this, $field) ) {
|
|
$old_value = $this->$field();
|
|
Logger::Debug("Checking method $field () ".print_r($old_value,true)." => " . print_r($value,true));
|
|
if ( is_array($old_value) ) {
|
|
$diff = array_recursive_diff($old_value, $value);
|
|
Logger::Debug("Checking method $field () diff is".print_r($diff,true));
|
|
if ( count($diff) ) {
|
|
$changes[$field] = $value;
|
|
}
|
|
} else if ( $this->$field() != $value ) {
|
|
$changes[$field] = $value;
|
|
}
|
|
} else if ( array_key_exists($field, $this) ) {
|
|
Logger::Debug("Checking field $field => ".$this->{$field} . " ?= " .$value);
|
|
if ( $this->{$field} != $value ) {
|
|
$changes[$field] = $value;
|
|
}
|
|
} else if ( array_key_exists($field, $this->defaults) ) {
|
|
|
|
Logger::Debug("Checking default $field => ".$this->defaults[$field] . " " .$value);
|
|
if ( $this->defaults[$field] != $value ) {
|
|
$changes[$field] = $value;
|
|
}
|
|
}
|
|
|
|
#if ( (!array_key_exists($field, $this)) or ( $this->{$field} != $new_values[$field] ) ) {
|
|
#Logger::Debug("Checking default $field => $default_value changes becaause" . $new_values[$field].' != '.$new_values[$field]);
|
|
#$changes[$field] = $new_values[$field];
|
|
##} else if {
|
|
#Logger::Debug("Checking default $field => $default_value changes becaause " . $new_values[$field].' != '.$new_values[$field]);
|
|
##array_push( $changes, [$field=>$defaults[$field]] );
|
|
#}
|
|
#} else {
|
|
#Logger::Debug("Checking default $field => $default_value not in new_values");
|
|
#}
|
|
} # end foreach default
|
|
return $changes;
|
|
} # end public function changes
|
|
|
|
public function save($new_values = null) {
|
|
$class = get_class($this);
|
|
$table = $class::$table;
|
|
|
|
if ( $new_values ) {
|
|
Logger::Debug("New values" . print_r($new_values,true));
|
|
$this->set($new_values);
|
|
}
|
|
|
|
if ( $this->Id() ) {
|
|
$fields = array_keys($this->defaults);
|
|
$sql = 'UPDATE '.$table.' SET '.implode(', ', array_map(function($field) {return '`'.$field.'`=?';}, $fields )) . ' WHERE Id=?';
|
|
$values = array_map(function($field){return $this->{$field};}, $fields);
|
|
$values[] = $this->{'Id'};
|
|
if ( dbQuery($sql, $values) )
|
|
return true;
|
|
} else {
|
|
$fields = $this->defaults;
|
|
unset($fields['Id']);
|
|
|
|
$sql = 'INSERT INTO '.$table.' ('.implode(', ', array_map(function($field) {return '`'.$field.'`';}, array_keys($fields))).') VALUES ('.implode(', ', array_map(function($field){return '?';}, array_values($fields))).')';
|
|
$values = array_map(function($field){return $this->{$field};}, array_keys($fields));
|
|
if ( dbQuery($sql, $values) ) {
|
|
$this->{'Id'} = dbInsertId();
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
} // end function save
|
|
|
|
public function delete() {
|
|
$class = get_class($this);
|
|
$table = $class::$table;
|
|
dbQuery("DELETE FROM $table WHERE Id=?", array($this->{'Id'}));
|
|
if ( isset($object_cache[$class]) and isset($object_cache[$class][$this->{'Id'}]) )
|
|
unset($object_cache[$class][$this->{'Id'}]);
|
|
}
|
|
|
|
} # end class Sensor Action
|
|
?>
|