Files
iTop/core/attributedef.class.inc.php
Romain Quetiez 5a09dc6e2b Trac #86 - CSV format aligned with standard specifications
Trac #93 - Fixed issue within the setup data load (related to memory_limit)
Fixed issues with the consultant toolkit: upgrade an existing DB (add new class/attribute)
Developed core services to allow for demonstrating impact computation capability
Deprecated option operation=direct on page UI.php

SVN:trunk[313]
2010-03-08 09:10:16 +00:00

1444 lines
42 KiB
PHP

<?php
require_once('MyHelpers.class.inc.php');
require_once('ormdocument.class.inc.php');
/**
* MissingColumnException - sent if an attribute is being created but the column is missing in the row
*
* @package iTopORM
*/
class MissingColumnException extends Exception
{}
/**
* add some description here...
*
* @package iTopORM
*/
define('EXTKEY_RELATIVE', 1);
/**
* add some description here...
*
* @package iTopORM
*/
define('EXTKEY_ABSOLUTE', 2);
/**
* Propagation of the deletion through an external key - ask the user to delete the referencing object
*
* @package iTopORM
*/
define('DEL_MANUAL', 1);
/**
* Propagation of the deletion through an external key - ask the user to delete the referencing object
*
* @package iTopORM
*/
define('DEL_AUTO', 2);
/**
* Attribute definition API, implemented in and many flavours (Int, String, Enum, etc.)
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @author Denis Flaven <denisflave@free.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version 1.1.1.1 $
*/
abstract class AttributeDefinition
{
abstract public function GetType();
abstract public function GetTypeDesc();
abstract public function GetEditClass();
protected $m_sCode;
private $m_aParams = array();
private $m_sHostClass = array();
protected function Get($sParamName) {return $this->m_aParams[$sParamName];}
protected function IsParam($sParamName) {return (array_key_exists($sParamName, $this->m_aParams));}
public function __construct($sCode, $aParams)
{
$this->m_sCode = $sCode;
$this->m_aParams = $aParams;
$this->ConsistencyCheck();
}
public function OverloadParams($aParams)
{
foreach ($aParams as $sParam => $value)
{
if (!array_key_exists($sParam, $this->m_aParams))
{
throw new CoreException("Unknown attribute definition parameter '$sParam', please select a value in {".implode(", ", $this->m_aParams)."}");
}
else
{
$this->m_aParams[$sParam] = $value;
}
}
}
public function SetHostClass($sHostClass)
{
$this->m_sHostClass = $sHostClass;
}
public function GetHostClass()
{
return $this->m_sHostClass;
}
// Note: I could factorize this code with the parameter management made for the AttributeDef class
// to be overloaded
static protected function ListExpectedParams()
{
return array("label", "description");
}
private function ConsistencyCheck()
{
// Check that any mandatory param has been specified
//
$aExpectedParams = $this->ListExpectedParams();
foreach($aExpectedParams as $sParamName)
{
if (!array_key_exists($sParamName, $this->m_aParams))
{
$aBacktrace = debug_backtrace();
$sTargetClass = $aBacktrace[2]["class"];
$sCodeInfo = $aBacktrace[1]["file"]." - ".$aBacktrace[1]["line"];
throw new Exception("ERROR missing parameter '$sParamName' in ".get_class($this)." declaration for class $sTargetClass ($sCodeInfo)");
}
}
}
// table, key field, name field
public function ListDBJoins()
{
return "";
// e.g: return array("Site", "infrid", "name");
}
public function IsDirectField() {return false;}
public function IsScalar() {return false;}
public function IsLinkSet() {return false;}
public function IsExternalKey($iType = EXTKEY_RELATIVE) {return false;}
public function IsExternalField() {return false;}
public function IsWritable() {return false;}
public function IsNullAllowed() {return true;}
public function GetCode() {return $this->m_sCode;}
public function GetLabel() {return $this->Get("label");}
public function GetDescription() {return $this->Get("description");}
public function GetValuesDef() {return null;}
public function GetPrerequisiteAttributes() {return array();}
//public function IsSearchableStd() {return $this->Get("search_std");}
//public function IsSearchableGlobal() {return $this->Get("search_global");}
//public function IsMandatory() {return $this->Get("is_mandatory");}
//public function GetMinVal() {return $this->Get("min");}
//public function GetMaxVal() {return $this->Get("max");}
//public function GetSize() {return $this->Get("size");}
//public function GetCheckRegExp() {return $this->Get("regexp");}
//public function GetCheckFunc() {return $this->Get("checkfunc");}
public function MakeRealValue($proposedValue) {return $proposedValue;} // force an allowed value (type conversion and possibly forces a value as mySQL would do upon writing!)
public function GetSQLExpressions() {return array();} // returns suffix/expression pairs (1 in most of the cases), for READING (Select)
public function FromSQLToValue($aCols, $sPrefix = '') {return null;} // returns a value out of suffix/value pairs, for SELECT result interpretation
public function GetSQLColumns() {return array();} // returns column/spec pairs (1 in most of the cases), for STRUCTURING (DB creation)
public function GetSQLValues($value) {return array();} // returns column/value pairs (1 in most of the cases), for WRITING (Insert, Update)
public function GetJSCheckFunc()
{
$sRegExp = $this->Get("regexp");
if (empty($sRegExp)) return 'return true;';
return "return regexp('$sRegExp', myvalue);";
}
public function CheckValue($value)
{
$sRegExp = $this->Get("regexp");
if (empty($sRegExp)) return true;
return preg_match(preg_escape($this->Get("regexp")), $value);
}
public function MakeValue()
{
$sComputeFunc = $this->Get("compute_func");
if (empty($sComputeFunc)) return null;
return call_user_func($sComputeFunc);
}
abstract public function GetDefaultValue();
//
// To be overloaded in subclasses
//
abstract public function GetBasicFilterOperators(); // returns an array of "opCode"=>"description"
abstract public function GetBasicFilterLooseOperator(); // returns an "opCode"
//abstract protected GetBasicFilterHTMLInput();
abstract public function GetBasicFilterSQLExpr($sOpCode, $value);
public function GetAsHTML($sValue)
{
return Str::pure2html((string)$sValue);
}
public function GetAsXML($sValue)
{
return Str::pure2xml((string)$sValue);
}
public function GetAsCSV($sValue, $sSeparator = ',', $sTextQualifier = '"')
{
return (string)$sValue;
}
public function GetAllowedValues($aArgs = array(), $sBeginsWith = '')
{
$oValSetDef = $this->GetValuesDef();
if (!$oValSetDef) return null;
return $oValSetDef->GetValues($aArgs, $sBeginsWith);
}
}
/**
* Set of objects directly linked to an object, and being part of its definition
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version $itopversion$
*/
class AttributeLinkedSet extends AttributeDefinition
{
static protected function ListExpectedParams()
{
return array_merge(parent::ListExpectedParams(), array("allowed_values", "depends_on", "linked_class", "ext_key_to_me", "count_min", "count_max"));
}
public function GetType() {return "Array of objects";}
public function GetTypeDesc() {return "Any kind of objects [subclass] of the same class";}
public function GetEditClass() {return "List";}
public function IsWritable() {return true;}
public function IsLinkSet() {return true;}
public function GetValuesDef() {return $this->Get("allowed_values");}
public function GetPrerequisiteAttributes() {return $this->Get("depends_on");}
public function GetDefaultValue($aArgs = array())
{
// Note: so far, this feature is a prototype,
// later, the argument 'this' should always be present in the arguments
//
if (($this->IsParam('default_value')) && array_key_exists('this', $aArgs))
{
$oSet = $this->Get('default_value');
return $oSet->GetValues($aArgs);
}
else
{
return DBObjectSet::FromScratch($this->Get('linked_class'));
}
}
public function GetSupportedRelations()
{
if (array_key_exists('supported_relations', $this->m_aParams))
{
$aSupportedRelations = $this->Get('supported_relations');
return $aSupportedRelations;
}
else
{
return array();
}
}
public function GetLinkedClass() {return $this->Get('linked_class');}
public function GetExtKeyToMe() {return $this->Get('ext_key_to_me');}
public function GetBasicFilterOperators() {return array();}
public function GetBasicFilterLooseOperator() {return '';}
public function GetBasicFilterSQLExpr($sOpCode, $value) {return '';}
public function GetAsHTML($sValue)
{
return "ERROR: LIST OF OBJECTS";
}
public function GetAsXML($sValue)
{
return "ERROR: LIST OF OBJECTS";
}
public function GetAsCSV($sValue, $sSeparator = ',', $sTextQualifier = '"')
{
return "ERROR: LIST OF OBJECTS";
}
}
/**
* Set of objects linked to an object (n-n), and being part of its definition
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version $itopversion$
*/
class AttributeLinkedSetIndirect extends AttributeLinkedSet
{
static protected function ListExpectedParams()
{
return array_merge(parent::ListExpectedParams(), array("ext_key_to_remote"));
}
public function GetExtKeyToRemote() { return $this->Get('ext_key_to_remote'); }
}
/**
* Abstract class implementing default filters for a DB column
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version $itopversion$
*/
class AttributeDBFieldVoid extends AttributeDefinition
{
static protected function ListExpectedParams()
{
return array_merge(parent::ListExpectedParams(), array("allowed_values", "depends_on", "sql"));
}
// To be overriden, used in GetSQLColumns
protected function GetSQLCol() {return "VARCHAR(255)";}
public function GetType() {return "Void";}
public function GetTypeDesc() {return "Any kind of value, from the DB";}
public function GetEditClass() {return "String";}
public function GetValuesDef() {return $this->Get("allowed_values");}
public function GetPrerequisiteAttributes() {return $this->Get("depends_on");}
public function IsDirectField() {return true;}
public function IsScalar() {return true;}
public function IsWritable() {return true;}
public function GetSQLExpr() {return $this->Get("sql");}
public function GetDefaultValue() {return "";}
public function IsNullAllowed() {return false;}
protected function ScalarToSQL($value) {return $value;} // format value as a valuable SQL literal (quoted outside)
protected function SQLToScalar($value) {return $value;} // take the result of a fetch... and make it a PHP variable
public function GetSQLExpressions()
{
$aColumns = array();
// Note: to optimize things, the existence of the attribute is determine by the existence of one column with an empty suffix
$aColumns[''] = $this->Get("sql");
return $aColumns;
}
public function FromSQLToValue($aCols, $sPrefix = '')
{
$value = $this->MakeRealValue($aCols[$sPrefix.'']);
return $value;
}
public function GetSQLValues($value)
{
$aValues = array();
$aValues[$this->Get("sql")] = $this->ScalarToSQL($value);
return $aValues;
}
public function GetSQLColumns()
{
$aColumns = array();
$aColumns[$this->Get("sql")] = $this->GetSQLCol();
return $aColumns;
}
public function GetBasicFilterOperators()
{
return array("="=>"equals", "!="=>"differs from");
}
public function GetBasicFilterLooseOperator()
{
return "=";
}
public function GetBasicFilterSQLExpr($sOpCode, $value)
{
$sQValue = CMDBSource::Quote($value);
switch ($sOpCode)
{
case '!=':
return $this->GetSQLExpr()." != $sQValue";
break;
case '=':
default:
return $this->GetSQLExpr()." = $sQValue";
}
}
}
/**
* Base class for all kind of DB attributes, with the exception of external keys
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version $itopversion$
*/
class AttributeDBField extends AttributeDBFieldVoid
{
static protected function ListExpectedParams()
{
return array_merge(parent::ListExpectedParams(), array("default_value", "is_null_allowed"));
}
public function GetDefaultValue() {return $this->Get("default_value");}
public function IsNullAllowed() {return strtolower($this->Get("is_null_allowed"));}
}
/**
* Map an integer column to an attribute
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version $itopversion$
*/
class AttributeInteger extends AttributeDBField
{
static protected function ListExpectedParams()
{
return parent::ListExpectedParams();
//return array_merge(parent::ListExpectedParams(), array());
}
public function GetType() {return "Integer";}
public function GetTypeDesc() {return "Numeric value (could be negative)";}
public function GetEditClass() {return "String";}
protected function GetSQLCol() {return "INT(11)";}
public function GetBasicFilterOperators()
{
return array(
"!="=>"differs from",
"="=>"equals",
">"=>"greater (strict) than",
">="=>"greater than",
"<"=>"less (strict) than",
"<="=>"less than",
"in"=>"in"
);
}
public function GetBasicFilterLooseOperator()
{
// Unless we implement an "equals approximately..." or "same order of magnitude"
return "=";
}
public function GetBasicFilterSQLExpr($sOpCode, $value)
{
$sQValue = CMDBSource::Quote($value);
switch ($sOpCode)
{
case '!=':
return $this->GetSQLExpr()." != $sQValue";
break;
case '>':
return $this->GetSQLExpr()." > $sQValue";
break;
case '>=':
return $this->GetSQLExpr()." >= $sQValue";
break;
case '<':
return $this->GetSQLExpr()." < $sQValue";
break;
case '<=':
return $this->GetSQLExpr()." <= $sQValue";
break;
case 'in':
if (!is_array($value)) throw new CoreException("Expected an array for argument value (sOpCode='$sOpCode')");
return $this->GetSQLExpr()." IN ('".implode("', '", $value)."')";
break;
case '=':
default:
return $this->GetSQLExpr()." = \"$value\"";
}
}
public function MakeRealValue($proposedValue)
{
//return intval($proposedValue); could work as well
return (int)$proposedValue;
}
public function ScalarToSQL($value)
{
assert(is_numeric($value));
return $value; // supposed to be an int
}
public function SQLToScalar($value)
{
// Use cast (int) or intval() ?
return (int)$value;
}
}
/**
* Map a boolean column to an attribute
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version $itopversion$
*/
class AttributeBoolean extends AttributeInteger
{
static protected function ListExpectedParams()
{
return parent::ListExpectedParams();
//return array_merge(parent::ListExpectedParams(), array());
}
public function GetType() {return "Boolean";}
public function GetTypeDesc() {return "Boolean";}
public function GetEditClass() {return "Integer";}
protected function GetSQLCol() {return "TINYINT(1)";}
public function MakeRealValue($proposedValue)
{
if ((int)$proposedValue) return true;
return false;
}
public function ScalarToSQL($value)
{
assert(is_bool($value));
if ($value) return 1;
return 0;
}
public function SQLToScalar($value)
{
// Use cast (int) or intval() ?
return (int)$value;
}
}
/**
* Map a varchar column (size < ?) to an attribute
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version $itopversion$
*/
class AttributeString extends AttributeDBField
{
static protected function ListExpectedParams()
{
return parent::ListExpectedParams();
//return array_merge(parent::ListExpectedParams(), array());
}
public function GetType() {return "String";}
public function GetTypeDesc() {return "Alphanumeric string";}
public function GetEditClass() {return "String";}
protected function GetSQLCol() {return "VARCHAR(255)";}
public function GetBasicFilterOperators()
{
return array(
"="=>"equals",
"!="=>"differs from",
"Like"=>"equals (no case)",
"NotLike"=>"differs from (no case)",
"Contains"=>"contains",
"Begins with"=>"begins with",
"Finishes with"=>"finishes with"
);
}
public function GetBasicFilterLooseOperator()
{
return "Contains";
}
public function GetBasicFilterSQLExpr($sOpCode, $value)
{
$sQValue = CMDBSource::Quote($value);
switch ($sOpCode)
{
case '=':
case '!=':
return $this->GetSQLExpr()." $sOpCode $sQValue";
case 'Begins with':
return $this->GetSQLExpr()." LIKE ".CMDBSource::Quote("$value%");
case 'Finishes with':
return $this->GetSQLExpr()." LIKE ".CMDBSource::Quote("%$value");
case 'Contains':
return $this->GetSQLExpr()." LIKE ".CMDBSource::Quote("%$value%");
case 'NotLike':
return $this->GetSQLExpr()." NOT LIKE $sQValue";
case 'Like':
default:
return $this->GetSQLExpr()." LIKE $sQValue";
}
}
public function MakeRealValue($proposedValue)
{
return (string)$proposedValue;
// if (!settype($proposedValue, "string"))
// {
// throw new CoreException("Failed to change the type of '$proposedValue' to a string");
// }
}
public function ScalarToSQL($value)
{
if (!is_string($value) && !is_null($value))
{
throw new CoreWarning('Expected the attribute value to be a string', array('found_type' => gettype($value), 'value' => $value, 'class' => $this->GetCode(), 'attribute' => $this->GetHostClass()));
}
return $value;
}
public function SQLToScalar($value)
{
return $value;
}
public function GetAsCSV($sValue, $sSeparator = ',', $sTextQualifier = '"')
{
$sFrom = array("\r\n", $sTextQualifier);
$sTo = array("\n", $sTextQualifier.$sTextQualifier);
$sEscaped = str_replace($sFrom, $sTo, (string)$sValue);
return '"'.$sEscaped.'"';
}
}
/**
* An attibute that matches an object class
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version $itopversion$
*/
class AttributeClass extends AttributeString
{
static protected function ListExpectedParams()
{
return array_merge(parent::ListExpectedParams(), array("class_category", "more_values"));
}
public function __construct($sCode, $aParams)
{
$this->m_sCode = $sCode;
$aParams["allowed_values"] = new ValueSetEnumClasses($aParams['class_category'], $aParams['more_values']);
parent::__construct($sCode, $aParams);
}
public function GetAsHTML($sValue)
{
return MetaModel::GetName($sValue);
}
}
/**
* Map a varchar column (size < ?) to an attribute that must never be shown to the user
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version $itopversion$
*/
class AttributePassword extends AttributeString
{
static protected function ListExpectedParams()
{
return parent::ListExpectedParams();
//return array_merge(parent::ListExpectedParams(), array());
}
public function GetEditClass() {return "Password";}
protected function GetSQLCol() {return "VARCHAR(64)";}
}
/**
* Map a text column (size > ?) to an attribute
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version $itopversion$
*/
class AttributeText extends AttributeString
{
public function GetType() {return "Text";}
public function GetTypeDesc() {return "Multiline character string";}
public function GetEditClass() {return "Text";}
protected function GetSQLCol() {return "TEXT";}
public function GetAsHTML($sValue)
{
return str_replace("\n", "<br>\n", parent::GetAsHTML($sValue));
}
public function GetAsXML($value)
{
return Str::pure2xml($value);
}
}
/**
* Specialization of a string: email
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version $itopversion$
*/
class AttributeEmailAddress extends AttributeString
{
public function GetTypeDesc() {return "Email address(es)";}
}
/**
* Specialization of a string: OQL expression
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version $itopversion$
*/
class AttributeOQL extends AttributeString
{
public function GetTypeDesc() {return "OQL expression";}
}
/**
* Specialization of a string: template
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version $itopversion$
*/
class AttributeTemplateString extends AttributeString
{
public function GetTypeDesc() {return "Template string";}
}
/**
* Specialization of a text: template
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version $itopversion$
*/
class AttributeTemplateText extends AttributeText
{
public function GetTypeDesc() {return "Multiline template string";}
}
/**
* Map a enum column to an attribute
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version $itopversion$
*/
class AttributeEnum extends AttributeString
{
static protected function ListExpectedParams()
{
return parent::ListExpectedParams();
//return array_merge(parent::ListExpectedParams(), array());
}
public function GetType() {return "Enum";}
public function GetTypeDesc() {return "List of predefined alphanumeric strings";}
public function GetEditClass() {return "String";}
protected function GetSQLCol()
{
$oValDef = $this->GetValuesDef();
if ($oValDef)
{
$aValues = CMDBSource::Quote(array_keys($oValDef->GetValues(array(), "")), true);
}
else
{
$aValues = array();
}
if (count($aValues) > 0)
{
// The syntax used here is matters
// In particular, I had to remove unnecessary spaces to stick to
// make sure that this string will match the field type returned by the DB
// (used to perform a comparison between the current DB format and the data model)
return "ENUM(".implode(",", $aValues).")";
}
else
{
return "VARCHAR(255)"; // ENUM() is not an allowed syntax!
}
}
public function GetBasicFilterOperators()
{
return parent::GetBasicFilterOperators();
}
public function GetBasicFilterLooseOperator()
{
return parent::GetBasicFilterLooseOperator();
}
public function GetBasicFilterSQLExpr($sOpCode, $value)
{
return parent::GetBasicFilterSQLExpr($sOpCode, $value);
}
public function GetAsHTML($sValue)
{
$oValDef = $this->GetValuesDef();
if ($oValDef)
{
$aValues = $oValDef->GetValues(array(), "");
}
if (!empty($aValues) && array_key_exists($sValue, $aValues))
{
$sLabel = $aValues[$sValue];
}
else
{
// #@# todo - record an error silently...
$sLabel = $sValue;
}
// later, we could imagine a detailed description in the title
return "<span title=\"\">".parent::GetAsHtml($sLabel)."</span>";
}
}
/**
* Map a date+time column to an attribute
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version $itopversion$
*/
class AttributeDate extends AttributeDBField
{
const MYDATEFORMAT = "Y-m-d H:i:s";
//const MYDATETIMEZONE = "UTC";
const MYDATETIMEZONE = "Europe/Paris";
static protected $const_TIMEZONE = null; // set once for all upon object construct
static public function InitStatics()
{
// Init static constant once for all (remove when PHP allows real static const)
self::$const_TIMEZONE = new DateTimeZone(self::MYDATETIMEZONE);
// #@# Init default timezone -> do not get a notice... to be improved !!!
// duplicated in the email test page (the mail function does trigger a notice as well)
date_default_timezone_set(self::MYDATETIMEZONE);
}
static protected function ListExpectedParams()
{
return parent::ListExpectedParams();
//return array_merge(parent::ListExpectedParams(), array());
}
public function GetType() {return "Date";}
public function GetTypeDesc() {return "Date and time";}
public function GetEditClass() {return "Date";}
protected function GetSQLCol() {return "TIMESTAMP";}
// #@# THIS HAS TO REVISED
// Having null not allowed was interpreted by mySQL
// which was creating the field with the flag 'ON UPDATE CURRENT_TIMESTAMP'
// Then, on each update of the record, the field was modified.
// We will have to specify the default value if we want to restore this option
// In fact, we could also have more verbs dedicated to the DB:
// GetDBDefaultValue()... or GetDBFieldCreationStatement()....
public function IsNullAllowed() {return true;}
public function GetDefaultValue()
{
$default = parent::GetDefaultValue();
if (!parent::IsNullAllowed())
{
if (empty($default))
{
$default = date("Y-m-d H:i");
}
}
return $default;
}
// END OF THE WORKAROUND
///////////////////////////////////////////////////////////////
public function GetBasicFilterOperators()
{
return array(
"="=>"equals",
"!="=>"differs from",
"<"=>"before",
"<="=>"before",
">"=>"after (strictly)",
">="=>"after",
"SameDay"=>"same day (strip time)",
"SameMonth"=>"same year/month",
"SameYear"=>"same year",
"Today"=>"today",
">|"=>"after today + N days",
"<|"=>"before today + N days",
"=|"=>"equals today + N days",
);
}
public function GetBasicFilterLooseOperator()
{
// Unless we implement a "same xxx, depending on given precision" !
return "=";
}
public function GetBasicFilterSQLExpr($sOpCode, $value)
{
$sQValue = CMDBSource::Quote($value);
switch ($sOpCode)
{
case '=':
case '!=':
case '<':
case '<=':
case '>':
case '>=':
return $this->GetSQLExpr()." $sOpCode $sQValue";
case 'SameDay':
return "DATE(".$this->GetSQLExpr().") = DATE($sQValue)";
case 'SameMonth':
return "DATE_FORMAT(".$this->GetSQLExpr().", '%Y-%m') = DATE_FORMAT($sQValue, '%Y-%m')";
case 'SameYear':
return "MONTH(".$this->GetSQLExpr().") = MONTH($sQValue)";
case 'Today':
return "DATE(".$this->GetSQLExpr().") = CURRENT_DATE()";
case '>|':
return "DATE(".$this->GetSQLExpr().") > DATE_ADD(CURRENT_DATE(), INTERVAL $sQValue DAY)";
case '<|':
return "DATE(".$this->GetSQLExpr().") < DATE_ADD(CURRENT_DATE(), INTERVAL $sQValue DAY)";
case '=|':
return "DATE(".$this->GetSQLExpr().") = DATE_ADD(CURRENT_DATE(), INTERVAL $sQValue DAY)";
default:
return $this->GetSQLExpr()." = $sQValue";
}
}
public function MakeRealValue($proposedValue)
{
if (!is_numeric($proposedValue))
{
return $proposedValue;
}
else
{
return date("Y-m-d H:i:s", $proposedValue);
}
throw new CoreException("Invalid type for a date (found ".gettype($proposedValue)." and accepting string/int/DateTime)");
return null;
}
public function ScalarToSQL($value)
{
if (empty($value))
{
// Make a valid date for MySQL. TO DO: support NULL as a literal value for fields that can be null.
return '0000-00-00 00:00:00';
}
return $value;
}
public function SQLToScalar($value)
{
return $value;
}
public function GetAsHTML($value)
{
return Str::pure2html($value);
}
public function GetAsXML($value)
{
return Str::pure2xml($value);
}
public function GetAsCSV($sValue, $sSeparator = ',', $sTextQualifier = '"')
{
$sFrom = array("\r\n", $sTextQualifier);
$sTo = array("\n", $sTextQualifier.$sTextQualifier);
$sEscaped = str_replace($sFrom, $sTo, (string)$sValue);
return '"'.$sEscaped.'"';
}
}
// Init static constant once for all (remove when PHP allows real static const)
AttributeDate::InitStatics();
/**
* Map a foreign key to an attribute
* AttributeExternalKey and AttributeExternalField may be an external key
* the difference is that AttributeExternalKey corresponds to a column into the defined table
* where an AttributeExternalField corresponds to a column into another table (class)
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version $itopversion$
*/
class AttributeExternalKey extends AttributeDBFieldVoid
{
static protected function ListExpectedParams()
{
return array_merge(parent::ListExpectedParams(), array("targetclass", "is_null_allowed", "on_target_delete"));
}
public function GetType() {return "Extkey";}
public function GetTypeDesc() {return "Link to another object";}
public function GetEditClass() {return "ExtKey";}
protected function GetSQLCol() {return "INT(11)";}
public function IsExternalKey($iType = EXTKEY_RELATIVE) {return true;}
public function GetTargetClass($iType = EXTKEY_RELATIVE) {return $this->Get("targetclass");}
public function GetKeyAttDef($iType = EXTKEY_RELATIVE){return $this;}
public function GetKeyAttCode() {return $this->GetCode();}
public function GetDefaultValue() {return 0;}
public function IsNullAllowed() {return $this->Get("is_null_allowed");}
public function GetBasicFilterOperators()
{
return parent::GetBasicFilterOperators();
}
public function GetBasicFilterLooseOperator()
{
return parent::GetBasicFilterLooseOperator();
}
public function GetBasicFilterSQLExpr($sOpCode, $value)
{
return parent::GetBasicFilterSQLExpr($sOpCode, $value);
}
// overloaded here so that an ext key always have the answer to
// "what are your possible values?"
public function GetValuesDef()
{
$oValSetDef = $this->Get("allowed_values");
if (!$oValSetDef)
{
// Let's propose every existing value
$oValSetDef = new ValueSetObjects($this->GetTargetClass());
}
return $oValSetDef;
}
public function GetAllowedValues($aArgs = array(), $sBeginsWith = '')
{
try
{
return parent::GetAllowedValues($aArgs, $sBeginsWith);
}
catch (MissingQueryArgument $e)
{
// Some required arguments could not be found, enlarge to any existing value
$oValSetDef = new ValueSetObjects($this->GetTargetClass());
return $oValSetDef->GetValues($aArgs, $sBeginsWith);
}
}
public function GetDeletionPropagationOption()
{
return $this->Get("on_target_delete");
}
}
/**
* An attribute which corresponds to an external key (direct or indirect)
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version $itopversion$
*/
class AttributeExternalField extends AttributeDefinition
{
static protected function ListExpectedParams()
{
return array_merge(parent::ListExpectedParams(), array("extkey_attcode", "target_attcode"));
}
public function GetType() {return "ExtkeyField";}
public function GetTypeDesc() {return "Field of an object pointed to by the current object";}
public function GetEditClass() {return "ExtField";}
protected function GetSQLCol()
{
// throw new CoreException("external attribute: does it make any sense to request its type ?");
$oExtAttDef = $this->GetExtAttDef();
return $oExtAttDef->GetSQLCol();
}
public function IsExternalKey($iType = EXTKEY_RELATIVE)
{
switch($iType)
{
case EXTKEY_ABSOLUTE:
// see further
$oRemoteAtt = $this->GetExtAttDef();
return $oRemoteAtt->IsExternalKey($iType);
case EXTKEY_RELATIVE:
return false;
default:
throw new CoreException("Unexpected value for argument iType: '$iType'");
}
}
public function GetTargetClass($iType = EXTKEY_RELATIVE)
{
return $this->GetKeyAttDef($iType)->GetTargetClass();
}
public function IsExternalField() {return true;}
public function GetKeyAttCode() {return $this->Get("extkey_attcode");}
public function GetExtAttCode() {return $this->Get("target_attcode");}
public function GetKeyAttDef($iType = EXTKEY_RELATIVE)
{
switch($iType)
{
case EXTKEY_ABSOLUTE:
// see further
$oRemoteAtt = $this->GetExtAttDef();
if ($oRemoteAtt->IsExternalField())
{
return $oRemoteAtt->GetKeyAttDef(EXTKEY_ABSOLUTE);
}
else if ($oRemoteAtt->IsExternalKey())
{
return $oRemoteAtt;
}
return $this->GetKeyAttDef(EXTKEY_RELATIVE); // which corresponds to the code hereafter !
case EXTKEY_RELATIVE:
return MetaModel::GetAttributeDef($this->GetHostClass(), $this->Get("extkey_attcode"));
default:
throw new CoreException("Unexpected value for argument iType: '$iType'");
}
}
public function GetExtAttDef()
{
$oKeyAttDef = $this->GetKeyAttDef();
$oExtAttDef = MetaModel::GetAttributeDef($oKeyAttDef->Get("targetclass"), $this->Get("target_attcode"));
return $oExtAttDef;
}
public function GetSQLExpr()
{
$oExtAttDef = $this->GetExtAttDef();
return $oExtAttDef->GetSQLExpr();
}
public function GetDefaultValue()
{
$oExtAttDef = $this->GetExtAttDef();
return $oExtAttDef->GetDefaultValue();
}
public function IsNullAllowed()
{
$oExtAttDef = $this->GetExtAttDef();
return $oExtAttDef->IsNullAllowed();
}
public function GetBasicFilterOperators()
{
$oExtAttDef = $this->GetExtAttDef();
return $oExtAttDef->GetBasicFilterOperators();
}
public function GetBasicFilterLooseOperator()
{
$oExtAttDef = $this->GetExtAttDef();
return $oExtAttDef->GetBasicFilterLooseOperator();
}
public function GetBasicFilterSQLExpr($sOpCode, $value)
{
$oExtAttDef = $this->GetExtAttDef();
return $oExtAttDef->GetBasicFilterSQLExpr($sOpCode, $value);
}
public function MakeRealValue($proposedValue)
{
$oExtAttDef = $this->GetExtAttDef();
return $oExtAttDef->MakeRealValue($proposedValue);
}
public function ScalarToSQL($value)
{
// This one could be used in case of filtering only
$oExtAttDef = $this->GetExtAttDef();
return $oExtAttDef->ScalarToSQL($value);
}
public function SQLToScalar($value)
{
$oExtAttDef = $this->GetExtAttDef();
return $oExtAttDef->SQLToScalar($value);
}
// Do not overload GetSQLExpression here because this is handled in the joins
//public function GetSQLExpressions() {return array();}
// Here, we get the data...
public function FromSQLToValue($aCols, $sPrefix = '')
{
$oExtAttDef = $this->GetExtAttDef();
return $oExtAttDef->FromSQLToValue($aCols, $sPrefix);
}
public function GetAsHTML($value)
{
$oExtAttDef = $this->GetExtAttDef();
return $oExtAttDef->GetAsHTML($value);
}
public function GetAsXML($value)
{
$oExtAttDef = $this->GetExtAttDef();
return $oExtAttDef->GetAsXML($value);
}
public function GetAsCSV($value, $sSeparator = ',', $sTestQualifier = '"')
{
$oExtAttDef = $this->GetExtAttDef();
return $oExtAttDef->GetAsCSV($value, $sSeparator, $sTestQualifier);
}
}
/**
* Map a varchar column to an URL (formats the ouput in HMTL)
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version $itopversion$
*/
class AttributeURL extends AttributeString
{
static protected function ListExpectedParams()
{
//return parent::ListExpectedParams();
return array_merge(parent::ListExpectedParams(), array("target", "label"));
}
public function GetType() {return "Url";}
public function GetTypeDesc() {return "Absolute or relative URL as a text string";}
public function GetEditClass() {return "String";}
public function GetAsHTML($sValue)
{
$sTarget = $this->Get("target");
if (empty($sTarget)) $sTarget = "_blank";
$sLabel = Str::pure2html($sValue);
if (strlen($sLabel) > 40)
{
// Truncate the length to about 40 characters, by removing the middle
$sLabel = substr($sLabel, 0, 25).'...'.substr($sLabel, -15);
}
return "<a target=\"$sTarget\" href=\"$sValue\">$sLabel</a>";
}
}
/**
* Data column, consisting in TWO columns in the DB
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version $itopversion$
*/
class AttributeBlob extends AttributeDefinition
{
static protected function ListExpectedParams()
{
return array_merge(parent::ListExpectedParams(), array("depends_on"));
}
public function GetType() {return "Blob";}
public function GetTypeDesc() {return "Document";}
public function GetEditClass() {return "Document";}
public function IsDirectField() {return true;}
public function IsScalar() {return true;}
public function IsWritable() {return true;}
public function GetDefaultValue() {return "";}
public function IsNullAllowed() {return false;}
// Facilitate things: allow the user to Set the value from a string
public function MakeRealValue($proposedValue)
{
if (!is_object($proposedValue))
{
return new ormDocument($proposedValue, 'text/plain');
}
return $proposedValue;
}
public function GetSQLExpressions()
{
$aColumns = array();
// Note: to optimize things, the existence of the attribute is determined by the existence of one column with an empty suffix
$aColumns[''] = $this->GetCode().'_mimetype';
$aColumns['_data'] = $this->GetCode().'_data';
$aColumns['_filename'] = $this->GetCode().'_filename';
return $aColumns;
}
public function FromSQLToValue($aCols, $sPrefix = '')
{
if (!isset($aCols[$sPrefix]))
{
$sAvailable = implode(', ', array_keys($aCols));
throw new MissingColumnException("Missing column '$sPrefix' from {$sAvailable}");
}
$sMimeType = $aCols[$sPrefix];
if (!isset($aCols[$sPrefix.'_data']))
{
$sAvailable = implode(', ', array_keys($aCols));
throw new MissingColumnException("Missing column '".$sPrefix."_data' from {$sAvailable}");
}
$data = $aCols[$sPrefix.'_data'];
if (!isset($aCols[$sPrefix.'_filename']))
{
$sAvailable = implode(', ', array_keys($aCols));
throw new MissingColumnException("Missing column '".$sPrefix."_filename' from {$sAvailable}");
}
$sFileName = $aCols[$sPrefix.'_filename'];
$value = new ormDocument($data, $sMimeType, $sFileName);
return $value;
}
public function GetSQLValues($value)
{
// #@# Optimization: do not load blobs anytime
// As per mySQL doc, selecting blob columns will prevent mySQL from
// using memory in case a temporary table has to be created
// (temporary tables created on disk)
// We will have to remove the blobs from the list of attributes when doing the select
// then the use of Get() should finalize the load
$aValues = array();
$aValues[$this->GetCode().'_data'] = $value->GetData();
$aValues[$this->GetCode().'_mimetype'] = $value->GetMimeType();
$aValues[$this->GetCode().'_filename'] = $value->GetFileName();
return $aValues;
}
public function GetSQLColumns()
{
$aColumns = array();
$aColumns[$this->GetCode().'_data'] = 'LONGBLOB'; // 2^32 (4 Gb)
$aColumns[$this->GetCode().'_mimetype'] = 'VARCHAR(255)';
$aColumns[$this->GetCode().'_filename'] = 'VARCHAR(255)';
return $aColumns;
}
public function GetBasicFilterOperators()
{
return array();
}
public function GetBasicFilterLooseOperator()
{
return '=';
}
public function GetBasicFilterSQLExpr($sOpCode, $value)
{
return 'true';
}
public function GetAsHTML($value)
{
if (is_object($value))
{
return $value->GetAsHTML();
}
}
public function GetAsCSV($sValue, $sSeparator = ',', $sTextQualifier = '"')
{
return ''; // Not exportable in CSV !
}
public function GetAsXML($value)
{
return ''; // Not exportable in XML, or as CDATA + some subtags ??
}
}
?>