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<?php
class LS_Sliders {
/**
* @var array $results Array containing the result of the last DB query
* @access public
*/
public static $results = array();
/**
* @var int $count Count of found sliders in the last DB query
* @access public
*/
public static $count = null;
/**
* Private constructor to prevent instantiate static class
*
* @since 5.0.0
* @access private
* @return void
*/
private function __construct() {
}
/**
* Returns the count of found sliders in the last DB query
*
* @since 5.0.0
* @access public
* @return int Count of found sliders in the last DB query
*/
public static function count() {
return self::$count;
}
/**
* Find sliders with the provided filters
*
* @since 5.0.0
* @access public
* @param mixed $args Find any slider with the provided filters
* @return mixed Array on success, false otherwise
*/
public static function find( $args = array() ) {
$userArgs = $args;
// Find by slider ID
if(is_numeric($args) && intval($args) == $args) {
return self::_getById( (int) $args );
// Random slider
} elseif($args === 'random') {
return self::_getRandom();
// Find by slider slug
} elseif(is_string($args)) {
return self::_getBySlug($args);
// Find by list of slider IDs
} elseif(is_array($args) && isset($args[0]) && is_numeric($args[0])) {
return self::_getByIds($args);
// Find by query
} else {
// Defaults
$defaults = array(
'columns' => '*',
'where' => '',
'exclude' => array('removed'),
'orderby' => 'date_c',
'order' => 'DESC',
'limit' => 30,
'page' => 1,
'groups' => false,
'data' => true
);
// Merge user data with defaults
foreach( $defaults as $key => $val ) {
if( ! isset( $args[ $key ] ) ) {
$args[ $key ] = $val;
}
}
// Escape user data
foreach( $args as $key => $val ) {
if( $key !== 'where' ) {
$args[ $key ] = esc_sql( $val );
}
}
// Due to the nature of dynamically built queries we can't
// use prepared statements or $wpdb::prepare(). By keeping
// this function backwards compatible, we have even less
// options to completely eliminate potential issues caused
// by unhandled data.
// In addition of using esc_sql(), we're performing some
// further tests trying to filter out user data that might
// not be handled properly prior to this function call.
$columns = array('id', 'author', 'name', 'slug', 'data', 'date_c', 'date_m', 'flag_hidden', 'flag_deleted', 'schedule_start', 'schedule_end');
$args['orderby'] = in_array($args['orderby'], $columns) ? $args['orderby'] : 'date_c';
$args['order'] = ($args['order'] === 'DESC') ? 'DESC' : 'ASC';
$args['limit'] = (int) $args['limit'];
$args['page'] = (int) $args['page'];
$args['groups'] = (bool) $args['groups'];
$args['data'] = (bool) $args['data'];
$exclude = array();
if( $args['groups'] ) {
$exclude[] = "group_id IS NULL";
} else {
$exclude[] = "flag_group = '0'";
}
if( ! empty( $args['exclude'] ) ) {
if( in_array( 'hidden', $args['exclude'] ) ) {
$exclude[] = "flag_hidden = '0'";
}
if( in_array( 'removed', $args['exclude'] ) ) {
$exclude[] = "flag_deleted = '0'";
}
}
$args['exclude'] = implode(' AND ', $exclude);
// Where
$where = '';
if(!empty($args['where']) && !empty($args['exclude'])) {
$where = "WHERE ({$args['exclude']}) AND ({$args['where']}) ";
} elseif(!empty($args['where'])) {
$where = "WHERE {$args['where']} ";
} elseif(!empty($args['exclude'])) {
$where = "WHERE {$args['exclude']} ";
}
// Some adjustments
$args['limit'] = ($args['limit'] * $args['page'] - $args['limit']).', '.$args['limit'];
// Build the query
global $wpdb;
$table = $wpdb->prefix.LS_DB_TABLE;
$sliders = $wpdb->get_results("
SELECT SQL_CALC_FOUND_ROWS {$args['columns']}
FROM $table
$where
ORDER BY `{$args['orderby']}` {$args['order']}
LIMIT {$args['limit']}
", ARRAY_A);
// Set counter
$found = $wpdb->get_col("SELECT FOUND_ROWS()");
self::$count = (int) $found[0];
// Return original value on error
if(!is_array($sliders)) { return $sliders; };
// Parse slider data
if($args['data']) {
foreach($sliders as $key => $val) {
$sliders[$key]['data'] = json_decode($val['data'], true);
}
}
if( $args['groups'] ) {
foreach( $sliders as $key => $val ) {
if( $val['flag_group'] ) {
$sliders[ $key ]['items'] = self::_getGroupItems( (int) $val['id'], $userArgs );
}
}
}
// Return sliders
return $sliders;
}
}
/**
* Add slider with the provided name and optional slider data
*
* @since 5.0.0
* @access public
* @param string $title The title of the slider to create
* @param array $data The settings of the slider to create
* @return int The slider database ID inserted
*/
public static function add($title = 'Unnamed', $data = array(), $slug = '', $groupId = NULL ) {
global $wpdb;
// Slider data
$data = !empty($data) ? $data : array(
'properties' => array(
'createdWith' => LS_PLUGIN_VERSION,
'sliderVersion' => LS_PLUGIN_VERSION,
'title' => $title,
'new' => true,
),
'layers' => array(array()),
);
// Fix WP 4.2 issue with longer varchars
// than the column length
if(strlen($title) > 99) {
$title = substr($title, 0, (99-strlen($title)) );
}
// Popup?
$popup = 0;
if( ! empty($data['properties']['type']) && $data['properties']['type'] == 'popup') {
$popup = 1;
}
// Insert slider, WPDB will escape data automatically
$wpdb->insert($wpdb->prefix.LS_DB_TABLE, array(
'group_id' => $groupId,
'author' => get_current_user_id(),
'name' => $title,
'slug' => $slug,
'data' => json_encode($data),
'date_c' => time(),
'date_m' => time(),
'flag_popup' => $popup
), array(
'%d', '%d', '%s', '%s', '%s', '%d', '%d', '%d'
));
// Return insert database ID
return $wpdb->insert_id;
}
/**
* Updates sliders
*
* @since 5.2.0
* @access public
* @param int $id The database ID of the slider to be updated
* @param string $title The new title of the slider
* @param array $data The new settings of the slider
* @return bool Returns true on success, false otherwise
*/
public static function update($id = 0, $title = 'Unnamed', $data = array(), $slug = '') {
global $wpdb;
// Slider data
$data = !empty($data) ? $data : array(
'properties' => array('title' => $title),
'layers' => array(array()),
);
// Fix WP 4.2 issue with longer varchars
// than the column length
if(strlen($title) > 99) {
$title = substr($title, 0, (99-strlen($title)) );
}
// Status
$status = 0;
if( empty($data['properties']['status']) || $data['properties']['status'] === 'false') {
$status = 1;
}
// Schedule
$schedule = array('schedule_start' => 0, 'schedule_end' => 0);
foreach($schedule as $key => $val) {
if( ! empty($data['properties'][$key]) ) {
if( is_numeric($data['properties'][$key]) ) {
$schedule[$key] = (int) $data['properties'][$key];
} else {
$schedule[$key] = ls_date_create_for_timezone( $data['properties'][$key] );
}
}
}
// Popup?
$popup = 0;
if( ! empty($data['properties']['type']) && $data['properties']['type'] == 'popup') {
$popup = 1;
}
// Insert slider, WPDB will escape data automatically
$wpdb->update($wpdb->prefix.LS_DB_TABLE, array(
'name' => $title,
'slug' => $slug,
'data' => json_encode($data),
'schedule_start' => $schedule['schedule_start'],
'schedule_end' => $schedule['schedule_end'],
'date_m' => time(),
'flag_hidden' => $status,
'flag_popup' => $popup
),
array('id' => $id),
array('%s', '%s', '%s', '%d', '%d', '%d', '%d', '%d')
);
// Return insert database ID
return true;
}
/**
* Marking a slider as removed without deleting it
* with its database ID.
*
* @since 5.0.0
* @access public
* @param int $id The database ID if the slider to remove
* @return bool Returns true on success, false otherwise
*/
public static function remove($id = null) {
// Check ID
if(!is_int($id)) { return false; }
// Remove
global $wpdb;
$wpdb->update($wpdb->prefix.LS_DB_TABLE,
array('flag_deleted' => 1),
array('id' => $id),
'%d', '%d'
);
return true;
}
/**
* Delete a slider by its database ID
*
* @since 5.0.0
* @access public
* @param int $id The database ID if the slider to delete
* @return bool Returns true on success, false otherwise
*/
public static function delete($id = null) {
// Check ID
if(!is_int($id)) { return false; }
// Get slider data before deleting
$slider = self::_getById( $id );
// Delete
global $wpdb;
$wpdb->delete($wpdb->prefix.LS_DB_TABLE, array('id' => $id), '%d');
// Check if the slider was part of a group
// that might also need to be deleted.
if( ! empty( $slider['group_id'] ) ) {
self::checkForEmptyGroup( (int) $slider['group_id'] );
}
return true;
}
/**
* Restore a slider marked as removed previously by its database ID.
*
* @since 5.0.0
* @access public
* @param int $id The database ID if the slider to restore
* @return bool Returns true on success, false otherwise
*/
public static function restore($id = null) {
// Check ID
if(!is_int($id)) { return false; }
// Remove
global $wpdb;
$wpdb->update($wpdb->prefix.LS_DB_TABLE,
array('flag_deleted' => 0),
array('id' => $id),
'%d', '%d'
);
return true;
}
/**
* Adds the specified slider to the specified group
*
* @since 6.9.0
* @access public
* @param string $sliderId The slider database ID
* @param string $groupId The group database ID
* @return bool Returns true on success, false otherwise
*/
public static function addSliderToGroup( $sliderId, $groupId ) {
global $wpdb;
$wpdb->update( $wpdb->prefix.LS_DB_TABLE,
array( 'group_id' => $groupId ),
array( 'id' => $sliderId ),
'%d',
'%d'
);
return true;
}
/**
* Removes the specified slider from its group
*
* @since 6.9.0
* @access public
* @param string $sliderId The slider database ID
* @param string $groupId The group database ID
* @return bool Returns true on success, false otherwise
*/
public static function removeSliderFromGroup( $sliderId, $groupId ) {
global $wpdb;
$wpdb->update( $wpdb->prefix.LS_DB_TABLE,
array( 'group_id' => null ),
array( 'id' => $sliderId ),
'%d',
'%d'
);
self::checkForEmptyGroup( $groupId );
return true;
}
/**
* Checks whether a slider group is empty and delete
* it if it is.
*
* @since 6.9.0
* @access public
* @param string $groupId The group database ID
* @return void
*/
public static function checkForEmptyGroup( $groupId ) {
$sliders = self::_getGroupItems( $groupId, array(
'exclude' => ''
));
if( empty( $sliders ) ) {
self::removeGroup( $groupId );
}
}
/**
* Adds group with the provided group name
*
* @since 6.9.0
* @access public
* @param string $name The group name
* @return int The group database ID inserted
*/
public static function addGroup( $name = 'Unnamed' ) {
if( strlen( $name ) > 99) {
$name = substr( $name, 0, ( 99 - strlen( $name ) ) );
}
global $wpdb;
// Insert slider, WPDB will escape data automatically
$wpdb->insert($wpdb->prefix.LS_DB_TABLE, array(
'author' => get_current_user_id(),
'name' => $name,
'data' => '',
'date_c' => time(),
'date_m' => time(),
'flag_popup' => 0,
'flag_group' => 1
), array(
'%d', '%s', '%s', '%s', '%d', '%d', '%d', '%d'
));
return $wpdb->insert_id;
}
/**
* Removes the specified group
*
* @since 6.9.0
* @access public
* @param string $groupId The group database ID
* @return bool Returns true on success, false otherwise
*/
public static function removeGroup( $groupId = 0 ) {
global $wpdb;
// Attempt to remove any sliders from group
// before deleting it.
$wpdb->update(
$wpdb->prefix.LS_DB_TABLE,
array( 'group_id' => null ),
array( 'group_id' => $groupId ),
array( '%d' ),
array( '%d' )
);
// Delete the group
$wpdb->delete(
$wpdb->prefix.LS_DB_TABLE,
array( 'id' => $groupId ),
array( '%d' )
);
return true;
}
/**
* Adds group with the provided group name
*
* @since 6.9.0
* @access public
* @param int $groupId The group ID
* @param string $name The group name
* @return bool Returns true on success, false otherwise
*/
public static function renameGroup( $groupId = 0, $name = 'Unnamed' ) {
if( strlen( $name ) > 99) {
$name = substr( $name, 0, ( 99 - strlen( $name ) ) );
}
global $wpdb;
// Insert slider, WPDB will escape data automatically
$wpdb->update(
$wpdb->prefix.LS_DB_TABLE,
array( 'name' => $name ),
array( 'id' => $groupId ),
array( '%s' ),
array( '%d' )
);
// Return insert database ID
return true;
}
private static function _getGroupItems( $id = null, $args = array() ) {
// Check ID
if( ! is_int( $id ) ) { return false; }
// Defaults
$defaults = array(
'exclude' => array('removed'),
'orderby' => 'date_c',
'order' => 'DESC',
'limit' => 100,
'page' => 1,
'data' => true
);
// Merge user data with defaults
foreach( $defaults as $key => $val ) {
if( ! isset( $args[ $key ] ) ) {
$args[ $key ] = $val;
}
}
$where = array();
$where[] = "group_id = '$id'";
if( ! empty( $args['exclude'] ) ) {
if( in_array( 'hidden', $args['exclude'] ) ) {
$where[] = "flag_hidden = '0'";
}
if( in_array( 'removed', $args['exclude'] ) ) {
$where[] = "flag_deleted = '0'";
}
}
$where = implode(' AND ', $where );
$args['order'] = ($args['order'] === 'DESC') ? 'DESC' : 'ASC';
$args['limit'] = (int) $args['limit'];
$args['page'] = (int) $args['page'];
$args['data'] = (bool) $args['data'];
// DB stuff
global $wpdb;
$table = $wpdb->prefix.LS_DB_TABLE;
// Make the call
$result = $wpdb->get_results("
SELECT *
FROM $table
WHERE $where
ORDER BY `{$args['orderby']}` {$args['order']}
LIMIT 100
", ARRAY_A );
// Decode slider data
if(is_array($result) && !empty($result)) {
if( ! empty( $args['data'] ) ) {
foreach($result as $key => $slider) {
$result[$key]['data'] = json_decode($slider['data'], true);
}
}
return $result;
// Failed query
} else {
return false;
}
}
private static function _getById($id = null) {
// Check ID
if(!is_int($id)) { return false; }
// Get Sliders
global $wpdb;
$table = $wpdb->prefix.LS_DB_TABLE;
$result = $wpdb->get_row("SELECT * FROM $table WHERE id = '$id' ORDER BY id DESC LIMIT 1", ARRAY_A);
// Check return value
if(!is_array($result)) { return false; }
// Return result
$result['data'] = json_decode($result['data'], true);
return $result;
}
private static function _getByIds($ids = null) {
// Check ID
if(!is_array($ids)) { return false; }
// DB stuff
global $wpdb;
$table = $wpdb->prefix.LS_DB_TABLE;
$limit = count($ids);
// Collect IDs
if(is_array($ids) && !empty($ids)) {
$tmp = array();
foreach($ids as $id) {
$tmp[] = 'id = \''.intval($id).'\'';
}
$ids = implode(' OR ', $tmp);
unset($tmp);
}
// Make the call
$result = $wpdb->get_results("SELECT * FROM $table WHERE $ids ORDER BY id DESC LIMIT $limit", ARRAY_A);
// Decode slider data
if(is_array($result) && !empty($result)) {
foreach($result as $key => $slider) {
$result[$key]['data'] = json_decode($slider['data'], true);
}
return $result;
// Failed query
} else {
return false;
}
}
private static function _getBySlug($slug) {
// Check slug
if(empty($slug)) { return false; }
else { $slug = esc_sql($slug); }
// Get DB stuff
global $wpdb;
$table = $wpdb->prefix.LS_DB_TABLE;
// Make the call
$result = $wpdb->get_row("SELECT * FROM $table WHERE slug = '$slug' ORDER BY id DESC LIMIT 1", ARRAY_A);
// Check return value
if(!is_array($result)) { return false; }
// Return result
$result['data'] = json_decode($result['data'], true);
return $result;
}
private static function _getRandom() {
// Get DB stuff
global $wpdb;
$table = $wpdb->prefix.LS_DB_TABLE;
// Make the call
$result = $wpdb->get_row("SELECT * FROM $table WHERE flag_hidden = '0' AND flag_deleted = '0' ORDER BY RAND() LIMIT 1", ARRAY_A);
// Check return value
if(!is_array($result)) { return false; }
// Return result
$result['data'] = json_decode($result['data'], true);
return $result;
}
}