Index: branches/5.0.x/core/kernel/db/dbitem.php
===================================================================
--- branches/5.0.x/core/kernel/db/dbitem.php (revision 13536)
+++ branches/5.0.x/core/kernel/db/dbitem.php (revision 13537)
@@ -1,1306 +1,1311 @@
<?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
*
* Desciption
* @package kernel4
*/
class kDBItem extends kDBBase {
/**
* Description
*
* @var array Associative array of current item' field values
* @access public
*/
var $FieldValues;
/**
* Unformatted field values, before parse
*
* @var Array
* @access private
*/
var $DirtyFieldValues = Array();
/**
* Holds item values after loading (not affected by submit)
*
* @var Array
* @access private
*/
var $OriginalFieldValues = Array ();
var $FieldErrors;
var $ErrorMsgs = Array();
/**
* If set to true, Update will skip Validation before running
*
* @var array Associative array of current item' field values
* @access public
*/
var $IgnoreValidation = false;
var $Loaded = false;
/**
* Holds item' primary key value
*
* @var int Value of primary key field for current item
* @access public
*/
var $ID;
/**
* This object is used in cloning operations
*
* @var bool
*/
var $inCloning = false;
function kDBItem()
{
parent::kDBBase();
$this->ErrorMsgs['required'] = '!la_err_required!'; //'Field is required';
$this->ErrorMsgs['unique'] = '!la_err_unique!'; //'Field value must be unique';
$this->ErrorMsgs['value_out_of_range'] = '!la_err_value_out_of_range!'; //'Field is out of range, possible values from %s to %s';
$this->ErrorMsgs['length_out_of_range'] = '!la_err_length_out_of_range!'; //'Field is out of range';
$this->ErrorMsgs['bad_type'] = '!la_err_bad_type!'; //'Incorrect data format, please use %s';
$this->ErrorMsgs['invalid_format'] = '!la_err_invalid_format!'; //'Incorrect data format, please use %s';
$this->ErrorMsgs['bad_date_format'] = '!la_err_bad_date_format!'; //'Incorrect date format, please use (%s) ex. (%s)';
$this->ErrorMsgs['primary_lang_required'] = '!la_err_primary_lang_required!';
}
function SetDirtyField($field_name, $field_value)
{
$this->DirtyFieldValues[$field_name] = $field_value;
}
function GetDirtyField($field_name)
{
return $this->DirtyFieldValues[$field_name];
}
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;
}
$options = $this->GetFieldOptions($field_name);
$res = $value;
if (array_key_exists('formatter', $options)) {
$formatter =& $this->Application->recallObject($options['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 $field_name
*/
function SetOriginalField($field_name, $field_value)
{
$this->OriginalFieldValues[$field_name] = $field_value;
}
/**
* Set's default values for all fields
*
* @param bool $populate_ml_fields create all ml fields from db in config or not
*
* @access public
*/
function SetDefaultValues($populate_ml_fields = false)
{
parent::SetDefaultValues($populate_ml_fields);
if ($populate_ml_fields) {
$this->PopulateMultiLangFields();
}
foreach ($this->Fields as $field => $params) {
if ( isset($params['default']) ) {
$this->SetDBField($field, $params['default']);
}
else {
$this->SetDBField($field, NULL);
}
}
}
/**
* Sets current item field value
* (applies formatting)
*
* @access public
* @param string $name Name of the field
* @param mixed $value Value to set the field to
* @return void
*/
function SetField($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');
$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 $value Value to set the field to
* @return void
*/
function SetDBField($name,$value)
{
$this->FieldValues[$name] = $value;
/*if (isset($this->Fields[$name]['formatter'])) {
$formatter =& $this->Application->recallObject($this->Fields[$name]['formatter']);
$formatter->UpdateSubFields($name, $value, $this->Fields[$name], $this);
}*/
}
/**
* Set's field error, if pseudo passed not found then create it with message text supplied.
* Don't owerrite existing pseudo translation.
*
* @param string $field
* @param string $pseudo
* @param string $error_label
*
* @return bool
*/
function SetError($field, $pseudo, $error_label = null, $error_params = null)
{
$error_field = isset($this->Fields[$field]['error_field']) ? $this->Fields[$field]['error_field'] : $field;
if (isset($this->FieldErrors[$error_field]['pseudo'])) {
// don't set more then one error on field
return false;
}
$this->FieldErrors[$error_field]['pseudo'] = $pseudo;
if (isset($error_params)) {
if (array_key_exists('value', $error_params)) {
$this->FieldErrors[$error_field]['value'] = $error_params['value'];
unset($error_params['value']);
}
// additional params, that helps to determine error sources
$this->FieldErrors[$error_field]['params'] = $error_params;
}
if (isset($error_label) && !isset($this->ErrorMsgs[$pseudo])) {
// label for error (only when not already set)
$this->ErrorMsgs[$pseudo] = (substr($error_label, 0, 1) == '+') ? substr($error_label, 1) : '!'.$error_label.'!';
}
return true;
}
/**
* Return current item' field value by field name
* (doesn't apply formatter)
*
* @access public
* @param string $name field name to return
* @return mixed
*/
function GetDBField($name)
{
/*if (!array_key_exists($name, $this->FieldValues) && defined('DEBUG_MODE') && DEBUG_MODE) {
$this->Application->Debugger->appendTrace();
}*/
return $this->FieldValues[$name];
}
function HasField($name)
{
return isset($this->FieldValues[$name]);
}
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 acutally setting the fields
*
* @access public
* @param Array $hash
* @param Array $set_fields Optional param, field names in target object to set, other fields will be skipped
* @return void
*/
function SetFieldsFromHash($hash, $set_fields = null)
{
// used in formatter which work with multiple fields together
foreach($hash as $field_name => $field_value) {
if (is_numeric($field_name) || !array_key_exists($field_name, $this->Fields)) {
continue;
}
if (is_array($set_fields) && !in_array($field_name, $set_fields)) {
continue;
}
$this->SetDirtyField($field_name, $field_value);
}
// formats all fields using associated formatters
foreach ($hash as $field_name => $field_value)
{
if (is_numeric($field_name) || !array_key_exists($field_name, $this->Fields)) {
continue;
}
if (is_array($set_fields) && !in_array($field_name, $set_fields)) {
continue;
}
$this->SetField($field_name,$field_value);
}
}
function SetDBFieldsFromHash($hash, $set_fields = null)
{
foreach ($hash as $field_name => $field_value) {
if (is_numeric($field_name) || !array_key_exists($field_name, $this->Fields)) {
continue;
}
if (is_array($set_fields) && !in_array($field_name, $set_fields)) {
continue;
}
$this->SetDBField($field_name, $field_value);
}
}
/**
* Returns part of SQL WHERE clause identifing the record, ex. id = 25
*
* @access public
* @param string $method Child class may want to know who called GetKeyClause, Load(), Update(), Delete() send its names as method
* @param Array $keys_hash alternative, then item id, keys hash to load item by
* @return void
* @see kDBItem::Load()
* @see kDBItem::Update()
* @see kDBItem::Delete()
*/
function GetKeyClause($method=null, $keys_hash = null)
{
if (!isset($keys_hash)) {
$keys_hash = Array ($this->IDField => $this->ID);
}
$ret = '';
foreach ($keys_hash as $field => $value) {
if (!preg_match('/\./', $field)) {
$ret .= '(`' . $this->TableName . '`.' . $field . ' = ' . $this->Conn->qstr($value) . ') AND ';
}
else {
$ret .= '(' . $field . ' = ' . $this->Conn->qstr($value) . ') 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 $id_field_name Optional parameter to load item by given Id field
* @return bool True if item has been loaded, false otherwise
*/
function Load($id, $id_field_name = null)
{
if ( isset($id_field_name) ) {
$this->SetIDField($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->setIDField( $this->Application->getUnitOption($this->Prefix, 'IDField') );
}
if (($id === false) || !$keys_sql) {
return $this->Clear();
}
if (!$this->raiseEvent('OnBeforeItemLoad', $id)) {
return false;
}
$q = $this->GetSelectSQL() . ' WHERE ' . $keys_sql;
$field_values = $this->Conn->GetRow($q);
if ($field_values) {
$this->FieldValues = array_merge_recursive2($this->FieldValues, $field_values);
$this->OriginalFieldValues = $this->FieldValues;
}
else {
return $this->Clear();
}
if (is_array($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());
$this->Loaded = true;
return true;
}
/**
* Builds select sql, SELECT ... FROM parts only
*
* @access public
* @return string
*/
function GetSelectSQL()
{
$sql = $this->addCalculatedFields($this->SelectClause);
return parent::GetSelectSQL($sql);
}
function UpdateFormattersMasterFields()
{
foreach ($this->Fields as $field => $options) {
if (isset($options['formatter'])) {
$formatter =& $this->Application->recallObject($options['formatter']);
$formatter->UpdateMasterFields($field, $this->GetDBField($field), $options, $this);
}
}
}
/**
* Allows to skip certain fields from getting into sql queries
*
* @param string $field_name
* @param mixed $force_id
* @return bool
*/
function skipField($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 $skip;
}
/**
* Updates previously loaded record with current item' values
*
* @access public
* @param int Primery Key Id to update
* @return bool
*/
function Update($id = 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;
}
$sql = '';
foreach ($this->FieldValues as $field_name => $field_value) {
if ($this->skipField($field_name)) {
continue;
}
if ( is_null($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
$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
return false;
}
- $affected = $this->Conn->getAffectedRows();
- if (!$system_update && $affected == 1) {
+ $affected_rows = $this->Conn->getAffectedRows();
+
+ if (!$system_update && ($affected_rows > 0)) {
$this->setModifiedFlag(clUPDATE);
}
$this->saveCustomFields();
- $this->raiseEvent('OnAfterItemUpdate');
+
+ if ($affected_rows > 0) {
+ $this->raiseEvent('OnAfterItemUpdate');
+ }
+
$this->Loaded = true;
if ($this->mode != 't') {
$this->Application->resetCounters($this->TableName);
}
return true;
}
function ValidateField($field)
{
$options = $this->Fields[$field];
/*if (isset($options['formatter'])) {
$formatter =& $this->Application->recallObject($options['formatter']);
$formatter->UpdateMasterFields($field, $this->GetDBField($field), $options, $this);
}*/
$error_field = isset($options['error_field']) ? $options['error_field'] : $field;
$res = !isset($this->FieldErrors[$error_field]['pseudo']) || !$this->FieldErrors[$error_field]['pseudo'];
$res = $res && $this->ValidateRequired($field, $options);
$res = $res && $this->ValidateType($field, $options);
$res = $res && $this->ValidateRange($field, $options);
$res = $res && $this->ValidateUnique($field, $options);
$res = $res && $this->CustomValidation($field, $options);
return $res;
}
/**
* Validate all item fields based on
* constraints set in each field options
* in config
*
* @return bool
* @access private
*/
function Validate()
{
$this->UpdateFormattersMasterFields(); //order is critical - should be called BEFORE checking errors
if ($this->IgnoreValidation) {
return true;
}
// will apply any custom validation to the item
$this->raiseEvent('OnBeforeItemValidate');
$global_res = true;
foreach ($this->Fields as $field => $params) {
$res = $this->ValidateField($field);
$global_res = $global_res && $res;
}
if (!$global_res && $this->Application->isDebugMode()) {
$error_msg = ' Validation failed in prefix <strong>'.$this->Prefix.'</strong>,
FieldErrors follow (look at items with <strong>"pseudo"</strong> key set)<br />
You may ignore this notice if submitted data really has a validation error';
trigger_error(trim($error_msg), E_USER_NOTICE);
$this->Application->Debugger->dumpVars($this->FieldErrors);
}
if ($global_res) {
// no validation errors
$this->raiseEvent('OnAfterItemValidate');
}
return $global_res;
}
/**
* Check field value by user-defined alghoritm
*
* @param string $field field name
* @param Array $params field options from config
* @return bool
*/
function CustomValidation($field, $params)
{
return true;
}
/**
* Check if item has errors
*
* @param Array $skip_fields fields to skip during error checking
* @return bool
*/
function HasErrors($skip_fields)
{
$global_res = false;
foreach ($this->Fields as $field => $field_params) {
// If Formatter has set some error messages during values parsing
if ( !( in_array($field, $skip_fields) ) &&
isset($this->FieldErrors[$field]['pseudo']) && $this->FieldErrors[$field] != '') {
$global_res = true;
}
}
return $global_res;
}
/**
* Check if value in field matches field type specified in config
*
* @param string $field field name
* @param Array $params field options from config
* @return bool
*/
function ValidateType($field, $params)
{
$res = true;
$val = $this->FieldValues[$field];
if ( $val != '' &&
isset($params['type']) &&
preg_match("#int|integer|double|float|real|numeric|string#", $params['type'])
) {
if ($params['type'] == 'numeric') {
trigger_error('Invalid field type <strong>'.$params['type'].'</strong> (in ValidateType method), please use <strong>float</strong> instead', E_USER_NOTICE);
$params['type'] = 'float';
}
$res = is_numeric($val);
if ($params['type']=='string' || $res) {
$f = 'is_'.$params['type'];
settype($val, $params['type']);
$res = $f($val) && ($val == $this->FieldValues[$field]);
}
if (!$res) {
$this->SetError($field, 'bad_type', null, $params['type']);
}
}
return $res;
}
/**
* Check if value is set for required field
*
* @param string $field field name
* @param Array $params field options from config
* @return bool
* @access private
*/
function ValidateRequired($field, $params)
{
$res = true;
if (isset($params['required']) && $params['required']) {
$check_value = $this->FieldValues[$field];
if ($this->Application->ConfigValue('TrimRequiredFields')) {
$check_value = trim($check_value);
}
$res = ((string)$check_value != '');
}
if (!$res) {
$this->SetError($field, 'required');
}
return $res;
}
/**
* Validates that current record has unique field combination among other table records
*
* @param string $field field name
* @param Array $params field options from config
* @return bool
* @access private
*/
function ValidateUnique($field, $params)
{
$res = true;
$unique_fields = getArrayValue($params,'unique');
if($unique_fields !== false)
{
$where = Array();
array_push($unique_fields,$field);
foreach($unique_fields as $unique_field)
{
// if field is not empty or if it is required - we add where condition
if ((string)$this->GetDBField($unique_field) != '' || (isset($this->Fields[$unique_field]['required']) && $this->Fields[$unique_field]['required'])) {
$where[] = '`'.$unique_field.'` = '.$this->Conn->qstr( $this->GetDBField($unique_field) );
}
else {
// not good if we check by less fields than indicated
return true;
}
}
// This can ONLY happen if all unique fields are empty and not required.
// In such case we return true, because if unique field is not required there may be numerous empty values
// if (!$where) return true;
$sql = 'SELECT COUNT(*) FROM %s WHERE ('.implode(') AND (',$where).') AND ('.$this->IDField.' <> '.(int)$this->ID.')';
$res_temp = $this->Conn->GetOne( str_replace('%s', $this->TableName, $sql) );
$current_table_only = getArrayValue($params, 'current_table_only'); // check unique record only in current table
$res_live = $current_table_only ? 0 : $this->Conn->GetOne( str_replace('%s', $this->Application->GetLiveName($this->TableName), $sql) );
$res = ($res_temp == 0) && ($res_live == 0);
if (!$res) {
$this->SetError($field, 'unique');
}
}
return $res;
}
/**
* Check if field value is in range specified in config
*
* @param string $field field name
* @param Array $params field options from config
* @return bool
* @access private
*/
function ValidateRange($field, $params)
{
$res = true;
$val = $this->FieldValues[$field];
if ( isset($params['type']) && preg_match("#int|integer|double|float|real#", $params['type']) && strlen($val) > 0 ) {
if ( isset($params['max_value_inc'])) {
$res = $res && $val <= $params['max_value_inc'];
$max_val = $params['max_value_inc'].' (inclusive)';
}
if ( isset($params['min_value_inc'])) {
$res = $res && $val >= $params['min_value_inc'];
$min_val = $params['min_value_inc'].' (inclusive)';
}
if ( isset($params['max_value_exc'])) {
$res = $res && $val < $params['max_value_exc'];
$max_val = $params['max_value_exc'].' (exclusive)';
}
if ( isset($params['min_value_exc'])) {
$res = $res && $val > $params['min_value_exc'];
$min_val = $params['min_value_exc'].' (exclusive)';
}
}
if (!$res) {
if ( !isset($min_val) ) $min_val = '-∞';
if ( !isset($max_val) ) $max_val = '∞';
$this->SetError($field, 'value_out_of_range', null, Array ($min_val, $max_val));
return $res;
}
if ( isset($params['max_len'])) {
$res = $res && mb_strlen($val) <= $params['max_len'];
}
if ( isset($params['min_len'])) {
$res = $res && mb_strlen($val) >= $params['min_len'];
}
if (!$res) {
$error_params = Array (getArrayValue($params, 'min_len'), getArrayValue($params, 'max_len'));
$this->SetError($field, 'length_out_of_range', null, $error_params);
return $res;
}
return $res;
}
/**
* Return error message for field
*
* @param string $field
* @return string
* @access public
*/
function GetErrorMsg($field, $force_escape = null)
{
if( !isset($this->FieldErrors[$field]) ) return '';
$err = getArrayValue($this->FieldErrors[$field], 'pseudo');
if (!$err) return '';
// if special error msg defined in config
if( isset($this->Fields[$field]['error_msgs'][$err]) )
{
$msg = $this->Fields[$field]['error_msgs'][$err];
}
else //fall back to defaults
{
if( !isset($this->ErrorMsgs[$err]) ) {
trigger_error('No user message is defined for pseudo error <b>'.$err.'</b><br>', E_USER_WARNING);
return $err; //return the pseudo itself
}
$msg = $this->ErrorMsgs[$err];
}
$msg = $this->Application->ReplaceLanguageTags($msg, $force_escape);
if ( isset($this->FieldErrors[$field]['params']) )
{
return vsprintf($msg, $this->FieldErrors[$field]['params']);
}
return $msg;
}
/**
* Creates a record in the database table with current item' values
*
* @param mixed $force_id Set to TRUE to force creating of item's own ID or to value to force creating of passed id. Do not pass 1 for true, pass exactly TRUE!
* @access public
* @return bool
*/
function Create($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)) {
// 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) {
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];
}
$this->setID($insert_id);
if (!$system_create){
$this->setModifiedFlag(clCREATE);
}
$this->saveCustomFields();
if ($this->mode != 't') {
$this->Application->resetCounters($this->TableName);
}
$this->raiseEvent('OnAfterItemCreate');
$this->Loaded = true;
return true;
}
/**
* Deletes the record from databse
*
* @access public
* @return bool
*/
function Delete($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();
$this->setModifiedFlag(clDELETE); // will change affected rows, so get it before this line
if ($affected_rows > 0) {
// something was actually deleted
$this->raiseEvent('OnAfterItemDelete');
}
if ($this->mode != 't') {
$this->Application->resetCounters($this->TableName);
}
return $ret;
}
function PopulateMultiLangFields()
{
foreach ($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') && array_key_exists('master_field', $options) && array_key_exists('error_field', $options)) {
// MuliLanguage formatter sets error_field to master_field, but in PopulateMlFields mode,
// we display ML fields directly so we set it back to itself, otherwise error will not be displayed
unset($this->Fields[$field]['error_field']);
}
}
}
/**
* Sets new name for item in case if it is beeing 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$s which makes it Copy [Number] of Original Name
* @access private
*/
function NameCopy($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, $new_name);
}
function raiseEvent($name, $id = null, $additional_params = Array())
{
if( !isset($id) ) $id = $this->GetID();
$event = new kEvent( Array('name'=>$name,'prefix'=>$this->Prefix,'special'=>$this->Special) );
$event->setEventParam('id', $id);
if ($additional_params) {
foreach ($additional_params as $ap_name => $ap_value) {
$event->setEventParam($ap_name, $ap_value);
}
}
$this->Application->HandleEvent($event);
return $event->status == erSUCCESS ? true : false;
}
/**
* Set's new ID for item
*
* @param int $new_id
* @access public
*/
function setID($new_id)
{
$this->ID = $new_id;
$this->SetDBField($this->IDField, $new_id);
}
/**
* Generate and set new temporary id
*
* @access private
*/
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()) {
// 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()) {
$changes[$key]['ItemId'] = $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
*
* @access private
* @author Alexey
*/
function setModifiedFlag($mode = null)
{
$main_prefix = $this->Application->GetTopmostPrefix($this->Prefix);
$this->Application->StoreVar($main_prefix.'_modified', '1', !$this->Application->isAdmin);
if ($this->ShouldLogChanges()) {
$this->LogChanges($main_prefix, $mode);
if (!$this->IsTempTable()) {
$handler =& $this->Application->recallObject($this->Prefix.'_EventHandler');
$ses_var_name = $main_prefix.'_changes_'.$this->Application->GetTopmostWid($this->Prefix);
$handler->SaveLoggedChanges($ses_var_name);
}
}
}
/**
* Determines, that changes made to this item should be written to change log
*
* @return bool
*/
function ShouldLogChanges()
{
$log_changes = $this->Application->getUnitOption($this->Prefix, 'LogChanges') || $this->Application->ConfigValue('UseChangeLog');
return $log_changes && !$this->Application->getUnitOption($this->Prefix, 'ForceDontLogChanges');
}
function LogChanges($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();
$general = array(
'Prefix' => $this->Prefix,
'ItemId' => $this->GetID(),
'OccuredOn' => adodb_mktime(),
'MasterPrefix' => $main_prefix,
'MasterId' => $this->Prefix == $main_prefix ? $this->GetID() : $this->Application->GetVar($main_prefix.'_id'), // is that correct (Kostja)??
'Action' => $mode,
);
switch ($mode) {
case clUPDATE:
$changes[] = array_merge($general, Array(
'Changes' => serialize(array_merge($this->GetTitleField(), $this->GetChangedFields())),
));
break;
case clCREATE:
$changes[] = array_merge($general, Array(
'Changes' => serialize($this->GetTitleField()),
));
break;
case clDELETE:
$changes[] = array_merge($general, Array(
'Changes' => serialize(array_merge($this->GetTitleField(), $this->GetRealFields())),
));
}
$this->Application->StoreVar($ses_var_name, serialize($changes));
}
function GetTitleField()
{
$title_field = $this->Application->getUnitOption($this->Prefix, 'TitleField');
if ($title_field && $this->GetField($title_field)) {
return Array($title_field => $this->GetField($title_field));
}
}
function GetRealFields()
{
if (function_exists('array_diff_key')) {
$db_fields = array_diff_key($this->FieldValues, $this->VirtualFields, $this->CalculatedFields);
}
else {
$db_fields = array();
foreach ($this->FieldValues as $key => $value) {
if (array_key_exists($key, $this->VirtualFields) || array_key_exists($key, $this->CalculatedFields)) continue;
$db_fields[$key] = $value;
}
}
return $db_fields;
}
function GetChangedFields()
{
$changes = array();
$diff = array_diff_assoc($this->GetRealFields(), $this->OriginalFieldValues);
foreach ($diff as $field => $new_value) {
$changes[$field] = array('old' => $this->GetOriginalField($field, true), 'new' => $this->GetField($field));
}
return $changes;
}
/**
* Returns ID of currently processed record
*
* @return int
* @access public
*/
function GetID()
{
return $this->ID;
}
/**
* Generates ID for new items before inserting into database
*
* @return int
* @access private
*/
function generateID()
{
return 0;
}
/**
* Returns true if item was loaded successfully by Load method
*
* @return bool
*/
function isLoaded()
{
return $this->Loaded;
}
/**
* Checks if field is required
*
* @param string $field
* @return bool
*/
function isRequired($field)
{
return getArrayValue( $this->Fields[$field], 'required' );
}
/**
* Sets new required flag to field
*
* @param string $field
* @param bool $is_required
*/
function setRequired($field, $is_required = true)
{
$this->Fields[$field]['required'] = $is_required;
}
function Clear($new_id = null)
{
$this->Loaded = false;
$this->FieldValues = Array();
$this->OriginalFieldValues = Array ();
$this->SetDefaultValues(); // will wear off kDBItem::setID effect, so set it later
$this->FieldErrors = Array();
$this->setID($new_id);
return $this->Loaded;
}
function Query($force = false)
{
if ($this->Application->isDebugMode()) {
$this->Application->Debugger->appendTrace();
}
trigger_error('<b>Query</b> method is called in class <b>'.get_class($this).'</b> for prefix <b>'.$this->getPrefixSpecial().'</b>', E_USER_ERROR);
}
function saveCustomFields()
{
if (!$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, 'populate_ml_fields' => true));
$resource_id = $this->GetDBField('ResourceId');
$cdata->Load($resource_id, 'ResourceId');
$cdata->SetDBField('ResourceId', $resource_id);
$ml_formatter =& $this->Application->recallObject('kMultiLanguage');
/* @var $ml_formatter kMultiLanguage */
foreach ($this->customFields as $custom_id => $custom_name) {
$force_primary = isset($cdata->Fields['cust_'.$custom_id]['force_primary']) && $cdata->Fields['cust_'.$custom_id]['force_primary'];
$cdata->SetDBField($ml_formatter->LangFieldName('cust_'.$custom_id, $force_primary), $this->GetDBField('cust_'.$custom_name));
}
if ($cdata->isLoaded()) {
$ret = $cdata->Update();
}
else {
$ret = $cdata->Create();
if ($cdata->mode == 't') $cdata->setTempID();
}
return $ret;
}
/**
* Returns specified field value from all selected rows.
* Don't affect current record index
*
* @param string $field
* @return Array
*/
function GetCol($field)
{
return Array (0 => $this->GetDBField($field));
}
}
\ No newline at end of file