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Mon, Jan 6, 7:07 AM

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Index: branches/5.2.x/core/kernel/db/dbitem.php
===================================================================
--- branches/5.2.x/core/kernel/db/dbitem.php (revision 16303)
+++ branches/5.2.x/core/kernel/db/dbitem.php (revision 16304)
@@ -1,1591 +1,1593 @@
<?php
/**
* @version $Id$
* @package In-Portal
* @copyright Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
* @license GNU/GPL
* In-Portal is Open Source software.
* This means that this software may have been modified pursuant
* the GNU General Public License, and as distributed it includes
* or is derivative of works licensed under the GNU General Public License
* or other free or open source software licenses.
* See http://www.in-portal.org/license for copyright notices and details.
*/
defined('FULL_PATH') or die('restricted access!');
/**
* DBItem
*
*/
class kDBItem extends kDBBase {
/**
* Description
*
* @var array Associative array of current item' field values
* @access protected
*/
protected $FieldValues = Array ();
/**
* Unformatted field values, before parse
*
* @var Array
* @access protected
*/
protected $DirtyFieldValues = Array ();
/**
* Holds item values after loading (not affected by submit)
*
* @var Array
* @access protected
*/
protected $OriginalFieldValues = Array ();
/**
* If set to true, Update will skip Validation before running
*
* @var array Associative array of current item' field values
* @access public
*/
public $IgnoreValidation = false;
/**
* Remembers if object was loaded
*
* @var bool
* @access protected
*/
protected $Loaded = false;
/**
* Holds item' primary key value
*
* @var int Value of primary key field for current item
* @access protected
*/
protected $ID;
/**
* This object is used in cloning operations
*
* @var bool
* @access public
*/
public $inCloning = false;
/**
* Validator object reference
*
* @var kValidator
*/
protected $validator = null;
/**
* Creates validator object, only when required
*
*/
public function initValidator()
{
if ( !is_object($this->validator) ) {
$validator_class = $this->Application->getUnitOption($this->Prefix, 'ValidatorClass', 'kValidator');
$this->validator = $this->Application->makeClass($validator_class);
}
$this->validator->setDataSource($this);
}
public function SetDirtyField($field_name, $field_value)
{
$this->DirtyFieldValues[$field_name] = $field_value;
}
public function GetDirtyField($field_name)
{
return $this->DirtyFieldValues[$field_name];
}
public function GetOriginalField($field_name, $formatted = false, $format=null)
{
if (array_key_exists($field_name, $this->OriginalFieldValues)) {
// item was loaded before
$value = $this->OriginalFieldValues[$field_name];
}
else {
// no original fields -> use default field value
$value = $this->Fields[$field_name]['default'];
}
if (!$formatted) {
return $value;
}
$res = $value;
$formatter = $this->GetFieldOption($field_name, 'formatter');
if ( $formatter ) {
$formatter = $this->Application->recallObject($formatter);
/* @var $formatter kFormatter */
$res = $formatter->Format($value, $field_name, $this, $format);
}
return $res;
}
/**
* Sets original field value (useful for custom virtual fields)
*
* @param string $field_name
* @param string $field_value
*/
public function SetOriginalField($field_name, $field_value)
{
$this->OriginalFieldValues[$field_name] = $field_value;
}
/**
* Set's default values for all fields
*
* @access public
*/
public function SetDefaultValues()
{
parent::SetDefaultValues();
if ($this->populateMultiLangFields) {
$this->PopulateMultiLangFields();
}
foreach ($this->Fields as $field => $field_options) {
$default_value = isset($field_options['default']) ? $field_options['default'] : NULL;
$this->SetDBField($field, $default_value);
}
}
/**
* Sets current item field value
* (applies formatting)
*
* @access public
* @param string $name Name of the field
* @param mixed $value Value to set the field to
* @return void
*/
public function SetField($name,$value)
{
$options = $this->GetFieldOptions($name);
$parsed = $value;
if ($value == '') {
$parsed = NULL;
}
// kFormatter is always used, to make sure, that numeric value is converted to normal representation
// according to regional format, even when formatter is not set (try seting format to 1.234,56 to understand why)
$formatter = $this->Application->recallObject(isset($options['formatter']) ? $options['formatter'] : 'kFormatter');
/* @var $formatter kFormatter */
$parsed = $formatter->Parse($value, $name, $this);
$this->SetDBField($name,$parsed);
}
/**
* Sets current item field value
* (doesn't apply formatting)
*
* @access public
* @param string $name Name of the field
* @param mixed $value Value to set the field to
* @return void
*/
public function SetDBField($name,$value)
{
$this->FieldValues[$name] = $value;
}
/**
* Set's field error, if pseudo passed not found then create it with message text supplied.
* Don't overwrite existing pseudo translation.
*
* @param string $field
* @param string $pseudo
* @param string $error_label
* @param Array $error_params
*
* @return bool
* @access public
*/
public function SetError($field, $pseudo, $error_label = null, $error_params = null)
{
$this->initValidator();
return $this->validator->SetError($field, $pseudo, $error_label, $error_params);
}
/**
* Removes error on field
*
* @param string $field
* @access public
*/
public function RemoveError($field)
{
if ( !is_object($this->validator) ) {
return ;
}
$this->validator->RemoveError($field);
}
/**
* Returns error pseudo
*
* @param string $field
* @return string
*/
public function GetErrorPseudo($field)
{
if ( !is_object($this->validator) ) {
return '';
}
return $this->validator->GetErrorPseudo($field);
}
/**
* Return current item' field value by field name
* (doesn't apply formatter)
*
* @param string $name field name to return
* @return mixed
* @access public
*/
public function GetDBField($name)
{
/*if (!array_key_exists($name, $this->FieldValues) && defined('DEBUG_MODE') && DEBUG_MODE) {
$this->Application->Debugger->appendTrace();
}*/
return $this->FieldValues[$name];
}
public function HasField($name)
{
return array_key_exists($name, $this->FieldValues);
}
public function GetFieldValues()
{
return $this->FieldValues;
}
/**
* Sets item' fields corresponding to elements in passed $hash values.
* The function sets current item fields to values passed in $hash, by matching $hash keys with field names
* of current item. If current item' fields are unknown {@link kDBItem::PrepareFields()} is called before actually setting the fields
*
* @param Array $hash Fields hash.
* @param Array $set_fields Optional param, field names in target object to set, other fields will be skipped
*
* @return void
*/
public function SetFieldsFromHash($hash, $set_fields = Array ())
{
if ( !$set_fields ) {
$set_fields = array_keys($hash);
}
$skip_fields = $this->getRequestProtectedFields($hash);
if ( $skip_fields ) {
$set_fields = array_diff($set_fields, $skip_fields);
}
$set_fields = array_intersect($set_fields, array_keys($this->Fields));
// used in formatter which work with multiple fields together
foreach ($set_fields as $field_name) {
$this->SetDirtyField($field_name, $hash[$field_name]);
}
// formats all fields using associated formatters
foreach ($set_fields as $field_name) {
$this->SetField($field_name, $hash[$field_name]);
}
}
/**
* Returns fields, that are not allowed to be changed from request.
*
* @param array $fields_hash Fields hash.
*
* @return array
*/
protected function getRequestProtectedFields(array $fields_hash)
{
// don't allow changing ID
$fields = Array ();
$fields[] = $this->Application->getUnitOption($this->Prefix, 'IDField');
$parent_prefix = $this->Application->getUnitOption($this->Prefix, 'ParentPrefix');
if ( $parent_prefix && $this->isLoaded() && !$this->Application->isAdmin ) {
// don't allow changing foreign key of existing item from request
$foreign_key = $this->Application->getUnitOption($this->Prefix, 'ForeignKey');
$fields[] = is_array($foreign_key) ? $foreign_key[$parent_prefix] : $foreign_key;
}
return $fields;
}
/**
* Sets object fields from $hash array
* @param Array $hash
* @param Array|null $set_fields
* @return void
* @access public
*/
public function SetDBFieldsFromHash($hash, $set_fields = Array ())
{
if ( !$set_fields ) {
$set_fields = array_keys($hash);
}
$set_fields = array_intersect($set_fields, array_keys($this->Fields));
foreach ($set_fields as $field_name) {
$this->SetDBField($field_name, $hash[$field_name]);
}
}
/**
* Returns part of SQL WHERE clause identifying the record, ex. id = 25
*
* @param string $method Child class may want to know who called GetKeyClause, Load(), Update(), Delete() send its names as method
* @param Array $keys_hash alternative, then item id, keys hash to load item by
* @see kDBItem::Load()
* @see kDBItem::Update()
* @see kDBItem::Delete()
* @return string
* @access protected
*/
protected function GetKeyClause($method = null, $keys_hash = null)
{
if ( !isset($keys_hash) ) {
$keys_hash = Array ($this->IDField => $this->ID);
}
$ret = '';
foreach ($keys_hash as $field => $value) {
$value_part = is_null($value) ? ' IS NULL' : ' = ' . $this->Conn->qstr($value);
$ret .= '(' . (strpos($field, '.') === false ? '`' . $this->TableName . '`.' : '') . $field . $value_part . ') AND ';
}
return substr($ret, 0, -5);
}
/**
* Loads item from the database by given id
*
* @access public
* @param mixed $id item id of keys->values hash to load item by
* @param string $id_field_name Optional parameter to load item by given Id field
* @param bool $cachable cache this query result based on it's prefix serial
* @return bool True if item has been loaded, false otherwise
*/
public function Load($id, $id_field_name = null, $cachable = false)
{
+ $this->Clear();
+
if ( isset($id_field_name) ) {
$this->IDField = $id_field_name; // set new IDField
}
$keys_sql = '';
if (is_array($id)) {
$keys_sql = $this->GetKeyClause('load', $id);
}
else {
$this->setID($id);
$keys_sql = $this->GetKeyClause('load');
}
if ( isset($id_field_name) ) {
// restore original IDField from unit config
$this->IDField = $this->Application->getUnitOption($this->Prefix, 'IDField');
}
if (($id === false) || !$keys_sql) {
- return $this->Clear();
+ return false;
}
if (!$this->raiseEvent('OnBeforeItemLoad', $id)) {
return false;
}
$q = $this->GetSelectSQL() . ' WHERE ' . $keys_sql;
if ($cachable && $this->Application->isCachingType(CACHING_TYPE_MEMORY)) {
$serial_name = $this->Application->incrementCacheSerial($this->Prefix == 'st' ? 'c' : $this->Prefix, isset($id_field_name) ? null : $id, false);
$cache_key = 'kDBItem::Load_' . crc32(serialize($id) . '-' . $this->IDField) . '[%' . $serial_name . '%]';
$field_values = $this->Application->getCache($cache_key, false);
if ($field_values === false) {
$field_values = $this->Conn->GetRow($q);
if ($field_values !== false) {
// only cache, when data was retrieved
$this->Application->setCache($cache_key, $field_values);
}
}
}
else {
$field_values = $this->Conn->GetRow($q);
}
if ($field_values) {
$this->FieldValues = array_merge($this->FieldValues, $field_values);
$this->OriginalFieldValues = $this->FieldValues;
$this->Loaded = true;
}
else {
- return $this->Clear();
+ return false;
}
if (is_array($id) || isset($id_field_name)) {
$this->setID($this->FieldValues[$this->IDField]);
}
$this->UpdateFormattersSubFields(); // used for updating separate virtual date/time fields from DB timestamp (for example)
$this->raiseEvent('OnAfterItemLoad', $this->GetID());
return true;
}
/**
* Loads object from hash (not db)
*
* @param Array $fields_hash
* @param string $id_field
*/
public function LoadFromHash($fields_hash, $id_field = null)
{
if (!isset($id_field)) {
$id_field = $this->IDField;
}
$this->Clear();
if (!$fields_hash || !array_key_exists($id_field, $fields_hash)) {
// no data OR id field missing
return false;
}
$id = $fields_hash[$id_field];
if ( !$this->raiseEvent('OnBeforeItemLoad', $id) ) {
return false;
}
$this->FieldValues = array_merge($this->FieldValues, $fields_hash);
$this->OriginalFieldValues = $this->FieldValues;
$this->setID($id);
$this->UpdateFormattersSubFields(); // used for updating separate virtual date/time fields from DB timestamp (for example)
$this->raiseEvent('OnAfterItemLoad', $id);
$this->Loaded = true;
return true;
}
/**
* Builds select sql, SELECT ... FROM parts only
*
* @access public
* @return string
*/
/**
* Returns SELECT part of list' query
*
* @param string $base_query
* @param bool $replace_table
* @return string
* @access public
*/
public function GetSelectSQL($base_query = null, $replace_table = true)
{
if (!isset($base_query)) {
$base_query = $this->SelectClause;
}
$base_query = $this->addCalculatedFields($base_query);
return parent::GetSelectSQL($base_query, $replace_table);
}
public function UpdateFormattersMasterFields()
{
$this->initValidator(); // used, when called not from kValidator::Validate method
foreach ($this->Fields as $field => $options) {
if ( isset($options['formatter']) ) {
$formatter = $this->Application->recallObject($options['formatter']);
/* @var $formatter kFormatter */
$formatter->UpdateMasterFields($field, $this->GetDBField($field), $options, $this);
}
}
}
/**
* Returns variable name, used to store pending file actions
*
* @return string
* @access protected
*/
protected function _getPendingActionVariableName()
{
$window_id = $this->Application->GetTopmostWid($this->Prefix);
return $this->Prefix . '_file_pending_actions' . $window_id;
}
/**
* Returns pending actions
*
* @param mixed $id
* @return Array
* @access public
*/
public function getPendingActions($id = null)
{
if ( !isset($id) ) {
$id = $this->GetID();
}
$pending_actions = $this->Application->RecallVar($this->_getPendingActionVariableName());
$pending_actions = $pending_actions ? unserialize($pending_actions) : Array ();
if ( is_numeric($id) ) {
// filter by given/current id
$ret = Array ();
foreach ($pending_actions as $pending_action) {
if ( $pending_action['id'] == $id ) {
$ret[] = $pending_action;
}
}
return $ret;
}
return $pending_actions;
}
/**
* Sets new pending actions
*
* @param Array|null $new_pending_actions
* @param mixed $id
* @return void
* @access public
*/
public function setPendingActions($new_pending_actions = null, $id = null)
{
if ( !isset($new_pending_actions) ) {
$new_pending_actions = Array ();
}
if ( !isset($id) ) {
$id = $this->GetID();
}
$pending_actions = Array ();
$old_pending_actions = $this->getPendingActions(true);
if ( is_numeric($id) ) {
// remove old actions for this id
foreach ($old_pending_actions as $pending_action) {
if ( $pending_action['id'] != $id ) {
$pending_actions[] = $pending_action;
}
}
// add new actions for this id
$pending_actions = array_merge($pending_actions, $new_pending_actions);
}
else {
$pending_actions = $new_pending_actions;
}
// save changes
$var_name = $this->_getPendingActionVariableName();
if ( !$pending_actions ) {
$this->Application->RemoveVar($var_name);
}
else {
$this->Application->StoreVar($var_name, serialize($this->sortPendingActions($pending_actions)));
}
}
/**
* Sorts pending actions the way, that `delete` action will come before other actions.
*
* @param array $pending_actions Pending actions.
*
* @return array
*/
protected function sortPendingActions(array $pending_actions)
{
usort($pending_actions, array($this, 'comparePendingActions'));
return $pending_actions;
}
protected function comparePendingActions($pending_action_a, $pending_action_b)
{
if ( $pending_action_a['action'] == $pending_action_b['action'] ) {
return 0;
}
return $pending_action_a['action'] == 'delete' ? -1 : 1;
}
/**
* Allows to skip certain fields from getting into sql queries
*
* @param string $field_name
* @param mixed $force_id
* @return bool
*/
public function skipField($field_name, $force_id = false)
{
$skip = false;
// 1. skipping 'virtual' field
$skip = $skip || array_key_exists($field_name, $this->VirtualFields);
// 2. don't write empty field value to db, when "skip_empty" option is set
$field_value = array_key_exists($field_name, $this->FieldValues) ? $this->FieldValues[$field_name] : false;
if (array_key_exists($field_name, $this->Fields)) {
$skip_empty = array_key_exists('skip_empty', $this->Fields[$field_name]) ? $this->Fields[$field_name]['skip_empty'] : false;
}
else {
// field found in database, but not declared in unit config
$skip_empty = false;
}
$skip = $skip || (!$field_value && $skip_empty);
// 3. skipping field not in Fields (nor virtual, nor real)
$skip = $skip || !array_key_exists($field_name, $this->Fields);
return $skip;
}
/**
* Updates previously loaded record with current item' values
*
* @access public
* @param int $id Primary Key Id to update
* @param Array $update_fields
* @param bool $system_update
* @return bool
* @access public
*/
public function Update($id = null, $update_fields = null, $system_update = false)
{
if ( isset($id) ) {
$this->setID($id);
}
if ( !$this->raiseEvent('OnBeforeItemUpdate') ) {
return false;
}
if ( !isset($this->ID) ) {
// ID could be set inside OnBeforeItemUpdate event, so don't combine this check with previous one
return false;
}
// validate before updating
if ( !$this->Validate() ) {
return false;
}
if ( !$this->FieldValues ) {
// nothing to update
return true;
}
$sql = '';
$set_fields = isset($update_fields) ? $update_fields : array_keys($this->FieldValues);
foreach ($set_fields as $field_name) {
if ( $this->skipField($field_name) ) {
continue;
}
$field_value = $this->FieldValues[$field_name];
if ( is_null($field_value) ) {
if ( array_key_exists('not_null', $this->Fields[$field_name]) && $this->Fields[$field_name]['not_null'] ) {
// "kFormatter::Parse" methods converts empty values to NULL and for
// not-null fields they are replaced with default value here
$field_value = $this->Fields[$field_name]['default'];
}
}
$sql .= '`' . $field_name . '` = ' . $this->Conn->qstr($field_value) . ', ';
}
$sql = 'UPDATE ' . $this->TableName . '
SET ' . substr($sql, 0, -2) . '
WHERE ' . $this->GetKeyClause('update');
if ( $this->Conn->ChangeQuery($sql) === false ) {
// there was and sql error
$this->SetError($this->IDField, 'sql_error', '#' . $this->Conn->getErrorCode() . ': ' . $this->Conn->getErrorMsg());
return false;
}
$affected_rows = $this->Conn->getAffectedRows();
if ( !$system_update && ($affected_rows > 0) ) {
$this->setModifiedFlag(ChangeLog::UPDATE);
}
$this->saveCustomFields();
$this->raiseEvent('OnAfterItemUpdate');
// Preserve OriginalFieldValues during recursive Update() method calls.
$this->Loaded = true;
if ( !$this->IsTempTable() ) {
$this->Application->resetCounters($this->TableName);
}
return true;
}
/**
* Validates given field
*
* @param string $field
* @return bool
* @access public
*/
public function ValidateField($field)
{
$this->initValidator();
return $this->validator->ValidateField($field);
}
/**
* Validate all item fields based on
* constraints set in each field options
* in config
*
* @return bool
* @access private
*/
public function Validate()
{
if ( $this->IgnoreValidation ) {
return true;
}
$this->initValidator();
// will apply any custom validation to the item
$this->raiseEvent('OnBeforeItemValidate');
if ( $this->validator->Validate() ) {
// no validation errors
$this->raiseEvent('OnAfterItemValidate');
return true;
}
return false;
}
/**
* Check if item has errors
*
* @param Array $skip_fields fields to skip during error checking
* @return bool
*/
public function HasErrors($skip_fields = Array ())
{
if ( !is_object($this->validator) ) {
return false;
}
return $this->validator->HasErrors($skip_fields);
}
/**
* Check if value is set for required field
*
* @param string $field field name
* @param Array $params field options from config
* @return bool
* @access public
* @todo Find a way to get rid of direct call from kMultiLanguage::UpdateMasterFields method
*/
public function ValidateRequired($field, $params)
{
return $this->validator->ValidateRequired($field, $params);
}
/**
* Return error message for field
*
* @param string $field
* @param bool $force_escape
* @return string
* @access public
*/
public function GetErrorMsg($field, $force_escape = null)
{
if ( !is_object($this->validator) ) {
return '';
}
return $this->validator->GetErrorMsg($field, $force_escape);
}
/**
* Returns field errors
*
* @return Array
* @access public
*/
public function GetFieldErrors()
{
if ( !is_object($this->validator) ) {
return Array ();
}
return $this->validator->GetFieldErrors();
}
/**
* Creates a record in the database table with current item' values
*
* @param mixed $force_id Set to TRUE to force creating of item's own ID or to value to force creating of passed id. Do not pass 1 for true, pass exactly TRUE!
* @param bool $system_create
* @return bool
* @access public
*/
public function Create($force_id = false, $system_create = false)
{
if (!$this->raiseEvent('OnBeforeItemCreate')) {
return false;
}
// Validating fields before attempting to create record
if (!$this->Validate()) {
return false;
}
if (is_int($force_id)) {
$this->FieldValues[$this->IDField] = $force_id;
}
elseif (!$force_id || !is_bool($force_id)) {
$this->FieldValues[$this->IDField] = $this->generateID();
}
$fields_sql = '';
$values_sql = '';
foreach ($this->FieldValues as $field_name => $field_value) {
if ($this->skipField($field_name, $force_id)) {
continue;
}
if (is_null($field_value)) {
if (array_key_exists('not_null', $this->Fields[$field_name]) && $this->Fields[$field_name]['not_null']) {
// "kFormatter::Parse" methods converts empty values to NULL and for
// not-null fields they are replaced with default value here
$values_sql .= $this->Conn->qstr($this->Fields[$field_name]['default']);
}
else {
$values_sql .= $this->Conn->qstr($field_value);
}
}
else {
if (($field_name == $this->IDField) && ($field_value == 0) && !is_int($force_id)) {
// don't skip IDField in INSERT statement, just use DEFAULT keyword as it's value
$values_sql .= 'DEFAULT';
}
else {
$values_sql .= $this->Conn->qstr($field_value);
}
}
$fields_sql .= '`' . $field_name . '`, '; //Adding field name to fields block of Insert statement
$values_sql .= ', ';
}
$sql = 'INSERT INTO ' . $this->TableName . ' (' . substr($fields_sql, 0, -2) . ')
VALUES (' . substr($values_sql, 0, -2) . ')';
//Executing the query and checking the result
if ($this->Conn->ChangeQuery($sql) === false) {
$this->SetError($this->IDField, 'sql_error', '#' . $this->Conn->getErrorCode() . ': ' . $this->Conn->getErrorMsg());
return false;
}
$insert_id = $this->Conn->getInsertID();
if ($insert_id == 0) {
// insert into temp table (id is not auto-increment field)
$insert_id = $this->FieldValues[$this->IDField];
}
$temp_id = $this->GetID();
$this->setID($insert_id);
$this->OriginalFieldValues = $this->FieldValues;
if (!$system_create){
$this->setModifiedFlag(ChangeLog::CREATE);
}
$this->saveCustomFields();
if (!$this->IsTempTable()) {
$this->Application->resetCounters($this->TableName);
}
if ($this->IsTempTable() && ($this->Application->GetTopmostPrefix($this->Prefix) != $this->Prefix) && !is_int($force_id)) {
// temp table + subitem = set negative id
$this->setTempID();
}
$this->raiseEvent('OnAfterItemCreate', null, array('temp_id' => $temp_id));
$this->Loaded = true;
return true;
}
/**
* Deletes the record from database
*
* @param int $id
* @return bool
* @access public
*/
public function Delete($id = null)
{
if ( isset($id) ) {
$this->setID($id);
}
if ( !$this->raiseEvent('OnBeforeItemDelete') ) {
return false;
}
$sql = 'DELETE FROM ' . $this->TableName . '
WHERE ' . $this->GetKeyClause('Delete');
$ret = $this->Conn->ChangeQuery($sql);
$affected_rows = $this->Conn->getAffectedRows();
if ( $affected_rows > 0 ) {
$this->setModifiedFlag(ChangeLog::DELETE); // will change affected rows, so get it before this line
// something was actually deleted
$this->raiseEvent('OnAfterItemDelete');
}
if ( !$this->IsTempTable() ) {
$this->Application->resetCounters($this->TableName);
}
return $ret;
}
public function PopulateMultiLangFields()
{
foreach ($this->Fields as $field => $options) {
// master field is set only for CURRENT language
$formatter = array_key_exists('formatter', $options) ? $options['formatter'] : false;
if ( ($formatter == 'kMultiLanguage') && isset($options['master_field']) && isset($options['error_field']) ) {
// MuliLanguage formatter sets error_field to master_field, but in PopulateMlFields mode,
// we display ML fields directly so we set it back to itself, otherwise error won't be displayed
unset( $this->Fields[$field]['error_field'] );
}
}
}
/**
* Sets new name for item in case if it is being copied in same table
*
* @param array $master Table data from TempHandler
* @param int $foreign_key ForeignKey value to filter name check query by
* @param string $title_field FieldName to alter, by default - TitleField of the prefix
* @param string $format sprintf-style format of renaming pattern, by default Copy %1$s of %2$s which makes it Copy [Number] of Original Name
* @access public
*/
public function NameCopy($master=null, $foreign_key=null, $title_field=null, $format='Copy %1$s of %2$s')
{
if (!isset($title_field)) {
$title_field = $this->Application->getUnitOption($this->Prefix, 'TitleField');
if (!$title_field || isset($this->CalculatedFields[$title_field]) ) return;
}
$new_name = $this->GetDBField($title_field);
$original_checked = false;
do {
if ( preg_match('/'.sprintf($format, '([0-9]*) *', '(.*)').'/', $new_name, $regs) ) {
$new_name = sprintf($format, ($regs[1]+1), $regs[2]);
}
elseif ($original_checked) {
$new_name = sprintf($format, '', $new_name);
}
// if we are cloning in temp table this will look for names in temp table,
// since object' TableName contains correct TableName (for temp also!)
// if we are cloning live - look in live
$query = 'SELECT '.$title_field.' FROM '.$this->TableName.'
WHERE '.$title_field.' = '.$this->Conn->qstr($new_name);
$foreign_key_field = getArrayValue($master, 'ForeignKey');
$foreign_key_field = is_array($foreign_key_field) ? $foreign_key_field[ $master['ParentPrefix'] ] : $foreign_key_field;
if ($foreign_key_field && isset($foreign_key)) {
$query .= ' AND '.$foreign_key_field.' = '.$foreign_key;
}
$res = $this->Conn->GetOne($query);
/*// if not found in live table, check in temp table if applicable
if ($res === false && $object->Special == 'temp') {
$query = 'SELECT '.$name_field.' FROM '.$this->GetTempName($master['TableName']).'
WHERE '.$name_field.' = '.$this->Conn->qstr($new_name);
$res = $this->Conn->GetOne($query);
}*/
$original_checked = true;
} while ($res !== false);
$this->SetDBField($title_field, $new_name);
}
protected function raiseEvent($name, $id = null, $additional_params = Array())
{
$additional_params['id'] = isset($id) ? $id : $this->GetID();
$event = new kEvent($this->getPrefixSpecial() . ':' . $name, $additional_params);
if ( is_object($this->parentEvent) ) {
$event->MasterEvent = $this->parentEvent;
}
$this->Application->HandleEvent($event);
return $event->status == kEvent::erSUCCESS;
}
/**
* Set's new ID for item
*
* @param int $new_id
* @access public
*/
public function setID($new_id)
{
$this->ID = $new_id;
$this->SetDBField($this->IDField, $new_id);
}
/**
* Generate and set new temporary id
*
* @access private
*/
public function setTempID()
{
$new_id = (int)$this->Conn->GetOne('SELECT MIN('.$this->IDField.') FROM '.$this->TableName);
if($new_id > 0) $new_id = 0;
--$new_id;
$this->Conn->Query('UPDATE '.$this->TableName.' SET `'.$this->IDField.'` = '.$new_id.' WHERE `'.$this->IDField.'` = '.$this->GetID());
if ($this->ShouldLogChanges(true)) {
// Updating TempId in ChangesLog, if changes are disabled
$ses_var_name = $this->Application->GetTopmostPrefix($this->Prefix) . '_changes_' . $this->Application->GetTopmostWid($this->Prefix);
$changes = $this->Application->RecallVar($ses_var_name);
$changes = $changes ? unserialize($changes) : Array ();
if ($changes) {
foreach ($changes as $key => $rec) {
if ($rec['Prefix'] == $this->Prefix && $rec['ItemId'] == $this->GetID()) {
// change log for record, that's ID was just updated -> update in change log record too
$changes[$key]['ItemId'] = $new_id;
}
if ($rec['MasterPrefix'] == $this->Prefix && $rec['MasterId'] == $this->GetID()) {
// master item id was changed
$changes[$key]['MasterId'] = $new_id;
}
if (in_array($this->Prefix, $rec['ParentPrefix']) && $rec['ParentId'][$this->Prefix] == $this->GetID()) {
// change log record of given item's sub item -> update changed id's in dependent fields
$changes[$key]['ParentId'][$this->Prefix] = $new_id;
if (array_key_exists('DependentFields', $rec)) {
// these are fields from table of $rec['Prefix'] table!
// when one of dependent fields goes into idfield of it's parent item, that was changed
$parent_table_key = $this->Application->getUnitOption($rec['Prefix'], 'ParentTableKey');
$parent_table_key = is_array($parent_table_key) ? $parent_table_key[$this->Prefix] : $parent_table_key;
if ($parent_table_key == $this->IDField) {
$foreign_key = $this->Application->getUnitOption($rec['Prefix'], 'ForeignKey');
$foreign_key = is_array($foreign_key) ? $foreign_key[$this->Prefix] : $foreign_key;
$changes[$key]['DependentFields'][$foreign_key] = $new_id;
}
}
}
}
}
$this->Application->StoreVar($ses_var_name, serialize($changes));
}
$this->SetID($new_id);
}
/**
* Set's modification flag for main prefix of current prefix to true
*
* @param int $mode
* @access private
*/
public function setModifiedFlag($mode = null)
{
$main_prefix = $this->Application->GetTopmostPrefix($this->Prefix);
$this->Application->StoreVar($main_prefix . '_modified', '1', true); // true for optional
if ($this->ShouldLogChanges(true)) {
$this->LogChanges($main_prefix, $mode);
if (!$this->IsTempTable()) {
$handler = $this->Application->recallObject($this->Prefix . '_EventHandler');
/* @var $handler kDBEventHandler */
$ses_var_name = $main_prefix . '_changes_' . $this->Application->GetTopmostWid($this->Prefix);
$handler->SaveLoggedChanges($ses_var_name, $this->ShouldLogChanges());
}
}
}
/**
* Determines, that changes made to this item should be written to change log
*
* @param bool $log_changes
* @return bool
*/
public function ShouldLogChanges($log_changes = null)
{
if (!isset($log_changes)) {
// specific logging mode no forced -> use global logging settings
$log_changes = $this->Application->getUnitOption($this->Prefix, 'LogChanges') || $this->Application->ConfigValue('UseChangeLog');
}
return $log_changes && !$this->Application->getUnitOption($this->Prefix, 'ForceDontLogChanges');
}
protected function LogChanges($main_prefix, $mode)
{
if ( !$mode ) {
return ;
}
$ses_var_name = $main_prefix . '_changes_' . $this->Application->GetTopmostWid($this->Prefix);
$changes = $this->Application->RecallVar($ses_var_name);
$changes = $changes ? unserialize($changes) : Array ();
$fields_hash = Array (
'Prefix' => $this->Prefix,
'ItemId' => $this->GetID(),
'OccuredOn' => adodb_mktime(),
'MasterPrefix' => $main_prefix,
'Action' => $mode,
);
if ( $this->Prefix == $main_prefix ) {
// main item
$fields_hash['MasterId'] = $this->GetID();
$fields_hash['ParentPrefix'] = Array ($main_prefix);
$fields_hash['ParentId'] = Array ($main_prefix => $this->GetID());
}
else {
// sub item
// collect foreign key values (for serial reset)
$foreign_keys = $this->Application->getUnitOption($this->Prefix, 'ForeignKey', Array ());
$dependent_fields = $fields_hash['ParentId'] = $fields_hash['ParentPrefix'] = Array ();
/* @var $foreign_keys Array */
if ( is_array($foreign_keys) ) {
foreach ($foreign_keys as $prefix => $field_name) {
$dependent_fields[$field_name] = $this->GetDBField($field_name);
$fields_hash['ParentPrefix'][] = $prefix;
$fields_hash['ParentId'][$prefix] = $this->getParentId($prefix);
}
}
else {
$dependent_fields[$foreign_keys] = $this->GetDBField($foreign_keys);
$fields_hash['ParentPrefix'] = Array ( $this->Application->getUnitOption($this->Prefix, 'ParentPrefix') );
$fields_hash['ParentId'][ $fields_hash['ParentPrefix'][0] ] = $this->getParentId('auto');
}
$fields_hash['DependentFields'] = $dependent_fields;
// works only, when main item is present in url, when sub-item is changed
$master_id = $this->Application->GetVar($main_prefix . '_id');
if ( $master_id === false ) {
// works in case of we are not editing topmost item, when sub-item is created/updated/deleted
$master_id = $this->getParentId('auto', true);
}
$fields_hash['MasterId'] = $master_id;
}
switch ( $mode ) {
case ChangeLog::UPDATE:
$to_save = array_merge($this->GetTitleField(), $this->GetChangedFields());
break;
case ChangeLog::CREATE:
$to_save = $this->GetTitleField();
break;
case ChangeLog::DELETE:
$to_save = array_merge($this->GetTitleField(), $this->GetRealFields());
break;
default:
$to_save = Array ();
break;
}
$fields_hash['Changes'] = serialize($to_save);
$changes[] = $fields_hash;
$this->Application->StoreVar($ses_var_name, serialize($changes));
}
/**
* Returns current item parent's ID
*
* @param string $parent_prefix
* @param bool $top_most return topmost parent, when used
* @return int
* @access public
*/
public function getParentId($parent_prefix, $top_most = false)
{
$current_id = $this->GetID();
$current_prefix = $this->Prefix;
if ($parent_prefix == 'auto') {
$parent_prefix = $this->Application->getUnitOption($current_prefix, 'ParentPrefix');
}
if (!$parent_prefix) {
return $current_id;
}
do {
// field in this table
$foreign_key = $this->Application->getUnitOption($current_prefix, 'ForeignKey');
$foreign_key = is_array($foreign_key) ? $foreign_key[$parent_prefix] : $foreign_key;
// get foreign key value for $current_prefix
if ($current_prefix == $this->Prefix) {
$foreign_key_value = $this->GetDBField($foreign_key);
}
else {
$id_field = $this->Application->getUnitOption($current_prefix, 'IDField');
$table_name = $this->Application->getUnitOption($current_prefix, 'TableName');
if ($this->IsTempTable()) {
$table_name = $this->Application->GetTempName($table_name, 'prefix:' . $current_prefix);
}
$sql = 'SELECT ' . $foreign_key . '
FROM ' . $table_name . '
WHERE ' . $id_field . ' = ' . $current_id;
$foreign_key_value = $this->Conn->GetOne($sql);
}
// field in parent table
$parent_table_key = $this->Application->getUnitOption($current_prefix, 'ParentTableKey');
$parent_table_key = is_array($parent_table_key) ? $parent_table_key[$parent_prefix] : $parent_table_key;
$parent_id_field = $this->Application->getUnitOption($parent_prefix, 'IDField');
$parent_table_name = $this->Application->getUnitOption($parent_prefix, 'TableName');
if ($this->IsTempTable()) {
$parent_table_name = $this->Application->GetTempName($parent_table_name, 'prefix:' . $current_prefix);
}
if ($parent_id_field == $parent_table_key) {
// sub-item is related by parent item idfield
$current_id = $foreign_key_value;
}
else {
// sub-item is related by other parent item field
$sql = 'SELECT ' . $parent_id_field . '
FROM ' . $parent_table_name . '
WHERE ' . $parent_table_key . ' = ' . $foreign_key_value;
$current_id = $this->Conn->GetOne($sql);
}
$current_prefix = $parent_prefix;
if (!$top_most) {
break;
}
} while ( $parent_prefix = $this->Application->getUnitOption($current_prefix, 'ParentPrefix') );
return $current_id;
}
/**
* Returns title field (if any)
*
* @return Array
*/
public function GetTitleField()
{
$title_field = $this->Application->getUnitOption($this->Prefix, 'TitleField');
if ($title_field) {
$value = $this->GetField($title_field);
return $value ? Array ($title_field => $value) : Array ();
}
return Array ();
}
/**
* Returns only fields, that are present in database (no virtual and no calculated fields)
*
* @return Array
*/
public function GetRealFields()
{
return array_diff_key($this->FieldValues, $this->VirtualFields, $this->CalculatedFields);
}
/**
* Returns only changed database field
*
* @param bool $include_virtual_fields
* @return Array
*/
public function GetChangedFields($include_virtual_fields = false)
{
$changes = Array ();
$fields = $include_virtual_fields ? $this->FieldValues : $this->GetRealFields();
$diff = array_diff_assoc($fields, $this->OriginalFieldValues);
foreach ($diff as $field => $new_value) {
$old_value = $this->GetOriginalField($field, true);
$new_value = $this->GetField($field);
if ($old_value != $new_value) {
// "0.00" and "0.0000" are stored as strings and will differ. Double check to prevent that.
$changes[$field] = Array ('old' => $old_value, 'new' => $new_value);
}
}
return $changes;
}
/**
* Returns ID of currently processed record
*
* @return int
* @access public
*/
public function GetID()
{
return $this->ID;
}
/**
* Generates ID for new items before inserting into database
*
* @return int
* @access private
*/
protected function generateID()
{
return 0;
}
/**
* Returns true if item was loaded successfully by Load method
*
* @return bool
*/
public function isLoaded()
{
return $this->Loaded;
}
/**
* Checks if field is required
*
* @param string $field
* @return bool
*/
public function isRequired($field)
{
return isset($this->Fields[$field]['required']) && $this->Fields[$field]['required'];
}
/**
* Sets new required flag to field
*
* @param mixed $fields
* @param bool $is_required
*/
public function setRequired($fields, $is_required = true)
{
if ( !is_array($fields) ) {
$fields = explode(',', $fields);
}
foreach ($fields as $field) {
$this->Fields[$field]['required'] = $is_required;
}
}
/**
* Removes all data from an object
*
* @param int $new_id
* @return bool
* @access public
*/
public function Clear($new_id = null)
{
$this->Loaded = false;
$this->FieldValues = $this->OriginalFieldValues = Array ();
$this->SetDefaultValues(); // will wear off kDBItem::setID effect, so set it later
if ( is_object($this->validator) ) {
$this->validator->reset();
}
$this->setID($new_id);
return $this->Loaded;
}
public function Query($force = false)
{
throw new Exception('<b>Query</b> method is called in class <strong>' . get_class($this) . '</strong> for prefix <strong>' . $this->getPrefixSpecial() . '</strong>');
}
protected function saveCustomFields()
{
if ( !$this->customFields || $this->inCloning ) {
return true;
}
$cdata_key = rtrim($this->Prefix . '-cdata.' . $this->Special, '.');
$cdata = $this->Application->recallObject($cdata_key, null, Array ('skip_autoload' => true));
/* @var $cdata kDBItem */
$resource_id = $this->GetDBField('ResourceId');
$cdata->Load($resource_id, 'ResourceId');
$cdata->SetDBField('ResourceId', $resource_id);
$ml_formatter = $this->Application->recallObject('kMultiLanguage');
/* @var $ml_formatter kMultiLanguage */
$ml_helper = $this->Application->recallObject('kMultiLanguageHelper');
/* @var $ml_helper kMultiLanguageHelper */
$languages = $ml_helper->getLanguages();
foreach ($this->customFields as $custom_id => $custom_name) {
$force_primary = $cdata->GetFieldOption('cust_' . $custom_id, 'force_primary');
if ( $force_primary ) {
$cdata->SetDBField($ml_formatter->LangFieldName('cust_' . $custom_id, true), $this->GetDBField('cust_' . $custom_name));
}
else {
foreach ($languages as $language_id) {
$cdata->SetDBField('l' . $language_id . '_cust_' . $custom_id, $this->GetDBField('l' . $language_id . '_cust_' . $custom_name));
}
}
}
return $cdata->isLoaded() ? $cdata->Update() : $cdata->Create();
}
/**
* Returns specified field value from all selected rows.
* Don't affect current record index
*
* @param string $field
* @param bool $formatted
* @param string $format
* @return Array
*/
public function GetCol($field, $formatted = false, $format = null)
{
if ($formatted) {
return Array (0 => $this->GetField($field, $format));
}
return Array (0 => $this->GetDBField($field));
}
/**
* Set's loaded status of object
*
* @param bool $is_loaded
* @access public
* @todo remove this method, since item can't be marked as loaded externally
*/
public function setLoaded($is_loaded = true)
{
$this->Loaded = $is_loaded;
}
/**
* Returns item's first status field
*
* @return string
* @access public
*/
public function getStatusField()
{
$status_fields = $this->Application->getUnitOption($this->Prefix, 'StatusField');
return array_shift($status_fields);
}
}

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