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/home/tahkoom/public_html/wp-content/plugins/ninja-forms/includes/Database/FieldsController.php
<?php
class NF_Database_FieldsController
{
private $db;
private $form_id;
private $fields_data;
private $new_field_ids;
private $insert_fields;
private $insert_field_meta = array();
private $insert_field_meta_chunk = 0;
/**
* An array of UPDATE SQL strings.
*
* i.e. array( 'key' => 'WHERE `id` = X THEN...' )
*
* @var array
*/
private $update_fields = array(
'id' => '',
'key' => '',
'label' => '',
'type' => '',
'field_key' => '',
'field_label' => '',
'order' => '',
'default_value' => '',
'label_pos' => '',
'required' => '',
'personally_identifiable' => '',
);
private $update_field_meta = array();
private $update_field_meta_chunk = 0;
private $db_stage_1_complete = true;
/**
* Store an array of columns that we want to store in our table rather than meta.
*
* This array stores the column name and the name of the setting that it maps to.
*
* The format is:
*
* array( 'COLUMN_NAME' => 'SETTING_NAME' )
*/
private $db_columns = array(
'parent_id' => 'parent_id',
'id' => 'id',
'key' => 'key',
'type' => 'type',
'label' => 'label',
'field_key' => 'key',
'field_label' => 'label',
'order' => 'order',
'required' => 'required',
'default_value' => 'default',
'label_pos' => 'label_pos',
'personally_identifiable' => 'personally_identifiable',
);
private $db_bit_columns = array(
'required',
'personally_identifiable',
);
public function __construct( $form_id, $fields_data )
{
global $wpdb;
$this->db = $wpdb;
$this->form_id = $form_id;
$this->fields_data = $fields_data;
/**
* Remove new DB columns from our $db_columns list if the user hasn't completed required upgrades stage 1.
*/
$sql = "SHOW COLUMNS FROM {$this->db->prefix}nf3_fields LIKE 'field_key'";
$results = $this->db->get_results( $sql );
/**
* If we don't have the field_key column, we need to remove our new columns.
*
* Also, set our db stage 1 tracker to false.
*/
if ( empty ( $results ) ) {
unset( $this->db_columns[ 'field_key' ] );
unset( $this->db_columns[ 'field_label' ] );
unset( $this->db_columns[ 'order' ] );
unset( $this->db_columns[ 'required' ] );
unset( $this->db_columns[ 'default_value' ] );
unset( $this->db_columns[ 'label_pos' ] );
unset( $this->db_columns[ 'personally_identifiable' ] );
$this->db_stage_1_complete = false;
}
}
public function run()
{
$this->db->hide_errors();
/* FIELDS */
$this->parse_fields();
$insert_fields_query = $this->get_insert_fields_query();
if( ! empty( $insert_fields_query ) ){
$this->db->query( $insert_fields_query );
$this->update_new_field_ids();
}
$update_fields_query = $this->get_update_fields_query();
if( ! empty( $update_fields_query ) ){
$this->db->query( $update_fields_query );
}
/* FIELD META */
$this->parse_field_meta();
$this->run_insert_field_meta_query();
$this->run_update_field_meta_query();
//Set IDs to repeater child fields if needed
$this->check_update_new_repeater_field_ids();
}
public function get_updated_fields_data()
{
return $this->fields_data;
}
private function parse_fields()
{
foreach( $this->fields_data as &$field_data ){
$field_id = $field_data[ 'id' ];
/**
* We've defined which items go into our DB, as well as which settings they map to.
*
* Loop over our $db_columns array and setup an array for $settings.
*/
$settings = array();
foreach( $this->db_columns as $column_name => $setting_name ) {
$value = '';
if( isset( $field_data[ 'settings' ][ $setting_name ] ) ) {
// If the setting value is numeric, make sure it's intval'd.
if ( is_numeric( $field_data[ 'settings' ][ $setting_name ] ) ) {
$field_data[ 'settings' ][ $setting_name ] = intval( $field_data[ 'settings' ][ $setting_name ] );
}
//Sanitize string settings if disallow_unfiltered_html is true
if(is_string($field_data[ 'settings' ][ $setting_name ]) && WPN_Helper::maybe_disallow_unfiltered_html_for_sanitization()) {
$field_data[ 'settings' ][ $setting_name ] = WPN_Helper::sanitize_string_setting_value($setting_name, $field_data[ 'settings' ][ $setting_name ]);
}
$value = $field_data[ 'settings' ][ $setting_name ];
}
if ( in_array( $column_name, $this->db_bit_columns ) ) {
$value = absint( $value );
}
$settings[ $column_name ] = $value;
}
/**
* We need to decide if we need to insert this field or update it in our fields table.
*
* If we don't have a numeric field id, we're dealing with a tmp field, which is a new field
*
* If this field exists in our cache, but doesn't exist in our table, we need to insert it.
*
* Otherwise, we're updating.
*
* Check our DB for a field with this id.
*/
if ( is_numeric( $field_id ) ) {
$field_in_db = $this->db->get_row( "SELECT `id` FROM `{$this->db->prefix}nf3_fields` WHERE `id` = {$field_id}" );
} else {
$field_in_db = array();
}
/**
* If $field_id isn't a number, then it's a tmp-id.
*
* If we have a tmp-id OR the field hasn't been found in our DB, we need to insert it.
*/
if( ! is_numeric( $field_id ) || empty( $field_in_db ) ) {
/**
* If our $field_id is numeric, we want to insert it into the db with the row.
*
* If it's not, we want to pass NULL so that we get an autoincrement.
*/
if ( is_numeric( $field_id ) ) {
$settings[ 'id' ] = $field_id;
} else {
$settings[ 'id' ] = NULL;
}
// New Field.
$this->insert_field( $settings );
} else {
// We're updating field settings.
$this->update_field( $field_id, $settings );
}
}
}
private function parse_field_meta()
{
// collect sanitized data to rewrite class property $this->fields_data
$updatedFieldsData=[];
$existing_meta = $this->get_existing_meta();
foreach( $this->fields_data as $field_data ){
$field_id = $field_data[ 'id' ];
foreach( $field_data[ 'settings' ] as $key => $value ){
//Sanitize string settings if disallow_unfiltered_html is true
if(is_string($value) && WPN_Helper::maybe_disallow_unfiltered_html_for_sanitization()){
$field_data[ 'settings' ][$key] = WPN_Helper::sanitize_string_setting_value($key, $value);
}
// we don't need object type or domain stored in the db
if( ! in_array( $key, array( 'objectType', 'objectDomain' ) ) ) {
if( isset( $existing_meta[ $field_id ][ $key ] ) ){
if( $value == $existing_meta[ $field_id ][ $key ] && $value == $existing_meta[ $field_id ][ 'meta_key' ][ $key ] ) continue;
$this->update_field_meta( $field_id, $key, $value );
} else {
$this->insert_field_meta( $field_id, $key, $value );
}
}
}
// Add field_data to updated collection
$updatedFieldsData[]=$field_data;
}
// Rewrite the collection with the updated fields_data collection
$this->fields_data = $updatedFieldsData;
}
private function get_existing_meta()
{
$sql_select = "m.parent_id, m.key, m.value";
/**
* If we have completed stage 1 of our db migration, pull meta_key and meta_value as well as key and value.
*/
if ( $this->db_stage_1_complete ) {
$sql_select .= " , m.meta_key, m.meta_value";
}
$results = $this->db->get_results("
SELECT {$sql_select}
FROM `{$this->db->prefix}nf3_field_meta` AS m
LEFT JOIN `{$this->db->prefix}nf3_fields` AS f
ON m.parent_id = f.id
WHERE f.parent_id = {$this->form_id}
");
$field_meta = array();
foreach( $results as $meta ){
$meta_value = '';
if( ! isset( $field_meta[ $meta->parent_id ] ) ) $field_meta[ $meta->parent_id ] = array();
$field_meta[ $meta->parent_id ][ $meta->key ] = $meta->value;
if ( property_exists( $meta, 'meta_value' ) ) {
if ( ! is_null( $meta->meta_value ) ) {
$meta_value = $meta->meta_value;
}
}
$field_meta[ $meta->parent_id ]['meta_key'][ $meta->key ] = $meta_value;
}
return $field_meta;
}
private function update_new_field_ids()
{
$field_id_lookup = $this->db->get_results("
SELECT `key`, `id`
FROM {$this->db->prefix}nf3_fields
WHERE `parent_id` = {$this->form_id}
", OBJECT_K);
foreach( $this->fields_data as $i => $field_data ){
$field_key = $field_data[ 'settings' ][ 'key' ];
if( ! is_numeric( $field_data[ 'id' ] ) && isset( $field_id_lookup[ $field_key ] ) ){
$tmp_id = $field_data[ 'id' ];
$this->fields_data[ $i ][ 'id' ] = $this->new_field_ids[ $tmp_id ] = $field_id_lookup[ $field_key ]->id;
}
}
}
//Check IDs stored for each repeater fields, if a temporary ID is detected we'll assign an ID based on the higher value amongst other ID values.
private function check_update_new_repeater_field_ids()
{
foreach( $this->fields_data as $index => $field_data ){
if( $field_data['settings']['type'] === "repeater" && !empty($field_data['settings']['fields']) ){
$field_id_lookup = [];
//build an array of IDs that are not temporary and extract the suffix ( we will check for the higher suffix to set new IDs )
foreach( $field_data['settings']['fields'] as $field ) {
if(is_numeric($field['id']) && strpos((string)$field['id'], ".") !== false){
$child_id = str_replace( (string)$field_data['id'] . '.', '', (string)$field['id']);
$field_id_lookup[] = $child_id;
}
}
//Size of the array of IDs
$n = sizeof($field_id_lookup);
//Default Higher value for comparison
$higher = 0;
//Compare each suffix values and keep the higher to define $higher.
for ($l = 0; $l < $n; $l++) {
$higher = $field_id_lookup[$l] > $higher ? $field_id_lookup[$l] : $higher;
}
//Loop through repeater fields to save a fixed ID if temp ID detected
foreach( $field_data['settings']['fields'] as $i => $field ) {
//If temp ID increment 1 above the higher ID stored
if(!is_numeric($field["id"]) || strpos((string)$field['id'], ".") === false){
$higher = (int)$higher + 1;
$repeater_child_tmp_id = $field["id"];
$new_repeater_child_id = $field_data['id'] . '.' . $higher;
//Set new ID in the repater field collection and new_ids to update
$this->fields_data[$index]['settings']['fields'][$i]['id'] = $this->new_field_ids[ $repeater_child_tmp_id ] = $new_repeater_child_id;
}
}
}
}
}
public function get_new_field_ids()
{
return $this->new_field_ids;
}
/*
|--------------------------------------------------------------------------
| INSERT (NEW) FIELDS
|--------------------------------------------------------------------------
*/
private function insert_field( $settings )
{
// Add our initial opening parenthesis.
$this->insert_fields .= "(";
// Add our form id to our settings as 'parent_id'.
$settings[ 'parent_id' ] = $this->form_id;
/**
* Loop over each of our $this->db_columns to create a value list for our SQL statement.
*/
foreach ( $this->db_columns as $column_name => $setting_name ) {
$value = $settings[ $column_name ];
// For new fields, specify the `id` as NULL for insert.
if('id' == $column_name && is_null($value)){
$this->insert_fields .= "NULL,";
continue;
}
$this->db->escape_by_ref( $value );
if ( is_numeric( $value ) ) {
$this->insert_fields .= "{$value},";
} else {
$this->insert_fields .= "'{$value}',";
}
}
// Remove any trailing commas from our SQL string.
$this->insert_fields = rtrim( $this->insert_fields, ',' );
$this->insert_fields .= '),';
}
public function get_insert_fields_query()
{
if( ! $this->insert_fields ) return "";
$insert_fields = rtrim( $this->insert_fields, ',' ); // Strip trailing comma from SQl.
/**
* Loop over each of our $this->db_columns to create a column list for our SQL statement below.
*/
$columns = '';
foreach( $this->db_columns as $column_name => $setting_name ) {
$columns .= "`{$column_name}` ,";
}
$columns = rtrim( $columns, ',' );
return "
INSERT INTO {$this->db->prefix}nf3_fields ( {$columns} )
VALUES {$insert_fields}
";
}
/*
|--------------------------------------------------------------------------
| UPDATE (EXISTING) FIELDS
|--------------------------------------------------------------------------
*/
private function update_field( $field_id, $settings )
{
foreach ( $settings as $setting => $value ) {
$line = "WHEN `id` = '{$field_id}' ";
$this->db->escape_by_ref( $value );
$line .= "THEN ";
if ( is_numeric( $value ) ) {
$line .= "{$value} ";
} else {
$line .= "'{$value}' ";
}
if( isset( $this->update_fields[ $setting ] ) ) {
$this->update_fields[ $setting ] .= $line;
} else {
$this->update_fields[ $setting ] = $line;
}
}
}
public function get_update_fields_query()
{
/**
* Loop over our $db_columns class var and make sure that none of them are empty.
*
* If they are empty, return an empty string to prevent errors.
*/
foreach ( $this->db_columns as $column_name => $setting_name ) {
if ( empty( $this->update_fields[ $column_name ] ) ) {
return "";
}
}
/**
* Build our return statement based upon our $db_columns class var.
*/
$return = "UPDATE {$this->db->prefix}nf3_fields
SET ";
foreach( $this->db_columns as $column_name => $setting_name ) {
// We don't need to update our parent_id or our id.
if ( 'id' == $column_name || 'parent_id' == $column_name ) {
continue;
}
$return .= "`{$column_name}` = CASE {$this->update_fields[ $column_name ]}
ELSE `{$column_name}`
END
,";
}
$return = rtrim( $return, ',' );
return $return;
}
/*
|--------------------------------------------------------------------------
| INSERT (NEW) META
|--------------------------------------------------------------------------
*/
private function insert_field_meta( $field_id, $key, $value )
{
static $counter;
$value = maybe_serialize( $value );
$this->db->escape_by_ref( $field_id );
$this->db->escape_by_ref( $key );
$this->db->escape_by_ref( $value );
if( ! isset( $this->insert_field_meta[ $this->insert_field_meta_chunk ] ) || ! $this->insert_field_meta[ $this->insert_field_meta_chunk ] ) {
$this->insert_field_meta[ $this->insert_field_meta_chunk ] = '';
}
$insert_values = "'{$field_id}','{$key}','{$value}'";
/**
* If we have completed stage 1 of our db update process, then we want to add meta_key and meta_value as well as key and value.
*/
if ( $this->db_stage_1_complete ) {
$insert_values .= ", '{$key}','{$value}'";
}
$this->insert_field_meta[ $this->insert_field_meta_chunk ] .= "( {$insert_values} ),";
$counter++;
if( 0 == $counter % 5000 ) $this->insert_field_meta_chunk++;
}
public function run_insert_field_meta_query()
{
if( ! $this->insert_field_meta ) return "";
foreach( $this->insert_field_meta as $insert_field_meta ){
$insert_field_meta = rtrim( $insert_field_meta, ',' ); // Strip trailing comma from SQl.
/**
* If we have completed stage 1 of our db update process, then we want to insert meta_key and meta_value as well.
*/
$insert_columns = '`parent_id`, `key`, `value`';
if ( $this->db_stage_1_complete ) {
$insert_columns .= ', `meta_key`, `meta_value`';
}
$this->db->query( "
INSERT INTO {$this->db->prefix}nf3_field_meta ( {$insert_columns} )
VALUES {$insert_field_meta}
");
}
}
/*
|--------------------------------------------------------------------------
| UPDATE (EXISTING) META
|--------------------------------------------------------------------------
*/
private function update_field_meta( $field_id, $key, $value )
{
static $counter;
$value = maybe_serialize( $value );
$this->db->escape_by_ref( $key );
$this->db->escape_by_ref( $value );
if( ! isset( $this->update_field_meta[ $this->update_field_meta_chunk ] ) || ! $this->update_field_meta[ $this->update_field_meta_chunk ] ) {
$this->update_field_meta[ $this->update_field_meta_chunk ] = '';
}
$this->update_field_meta[ $this->update_field_meta_chunk ] .= " WHEN `parent_id` = '{$field_id}' AND `key` = '{$key}' THEN '{$value}'";
$counter++;
if( 0 == $counter % 5000 ) $this->update_field_meta_chunk++;
}
public function run_update_field_meta_query()
{
if( empty( $this->update_field_meta ) ) return '';
foreach( $this->update_field_meta as $update_field_meta ){
$sql = "UPDATE {$this->db->prefix}nf3_field_meta as field_meta
SET `value` = CASE {$update_field_meta} ELSE `value` END";
/**
* If we have completed stage 1 of our db update process, then we want to update meta_value as well as value.
*/
if ( $this->db_stage_1_complete ) {
$sql .= ", `meta_value` = CASE {$update_field_meta} ELSE `meta_value` END, `meta_key` = CASE WHEN `parent_id` = '-999' THEN NULL ELSE `key` END";
}
$this->db->query( $sql );
return;
}
}
}
تطور التكنولوجيا يطرح سؤالاً: ما مصير جوجل؟ – tahkoom.com
كتبت ميرنا أشرف
في ظل التطور السريع للتكنولوجيا و الذكاء الاصطناعي وانتشار أدواته المختلفة، إلا أنه لا يزال محركات البحث التقليدية، وعلى رأسها (جوجل)، تحافظ على مكانتها كأداة رئيسية للوصول إلى المعلومات. ويرجع ذلك إلى قدرتها على تقديم نتائج دقيقة ومرتبة وفقًا لموثوقية المصادر ومدى صلتها بالاستفسارات، مما يعزز ثقة المستخدمين فيها .
قال أستاذ التكنولوجيا هشام عبدالعال، أنه يتم بناء ثقه المستخدمون في محركات البحث مثل جوجل لعدة أسباب، أبرزها قدرتها على تقديم نتائج بحث دقيقة ومرتبة وفقًا لمدى صلتها بالاستفسارات وتقدم مصادر اكثر موثوقية. وتابع حديثه قائلاً دراسة تتبعت حركة العين للمستخدمين اظهرت ان الناس يثقون بشكل كبير في قدرة جوجل على ترتيب النتائج وتقديم نتائج أكثر موثوقية عن طريق جمع بيانات دقيقه وبمصادر موثوقة بناءً على مدى ملاءمتها الحقيقية و الموثوقة للاستفسار .
أكد عبدالعال، أنه بالرغم من انتشار مواقع الذكاء الاصطناعي، إلا أنه لا يزال محركات البحث التقليدية مثل جوجل هي الوسيلة الرئيسية للوصول إلى المعلومات .
مضيفاً أن ذلك يعود إلى قدرتها على تقديم نتائج موثوقة ومنظمة، بالإضافة إلى تكاملها مع تقنيات الذكاء الاصطناعي لتحسين فهم الاستفسارات وتقديم إجابات أكثر دقة وتفصيلا. على سبيل المثال، يمكن للذكاء الاصطناعي تحليل الاستفسارات المعقدة وتقديم إجابات شاملة مباشرة في نتائج البحث، مما يقلل من حاجة المستخدمين للنقر على روابط متعددة .
تطبيق جوجل يثبت حضوره رغم تطور الذكاء الاصطناعي
أشار عبدالعال، إلي أنه بالرغم من ظهور برامج الذكاء الاصطناعي إلا انه لايزال جوجل في الصدارة من جهة محركات البحث م ضيفاً، ولا يزال الخيار الأول لمن يريد الوصول إلى معلومات دقيقة ومتنوعة بسرعة وسهولة .
ومن جانبه قال عمر ناجي، أحد المستخدمين لتطبيقات جوجل وشات جي بي تي في حياته اليومية، إنه يعتمد على جوجل بشكل أساسي عندما يحتاج إلى التحقق من المعلومات أو البحث عن مواضيع هامه. وأوضح أنه يفضل استخدامه لأنه يوفر مصادر موثوقة في مختلف المجالات، سواء في تقديم الأخبار، الإحصائيات، الصور، الفيديوهات أو حتي الترجمة، مشيراً إلى أنه يجد دائماً ما يبحث عنه ويثق في دقة المعلومات التي يقدمها .
لذلك بين الذكاء الاصطناعي ومحركات البحث التقليدية.. المستخدمون يثقون بجوجل كمصدر أساسي وموثوق للمعلومات .
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