Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
/**
* @file src/Model/Item.php
*/
namespace Friendica\Model;
use Friendica\BaseObject;
use Friendica\Content\Text\BBCode;
use Friendica\Core\Addon;
use Friendica\Core\Config;
use Friendica\Core\Lock;
use Friendica\Core\PConfig;
use Friendica\Core\Protocol;
use Friendica\Core\System;
use Friendica\Core\Worker;
use Friendica\Database\DBA;
use Friendica\Model\Contact;
use Friendica\Model\PermissionSet;
use Friendica\Model\ItemURI;
use Friendica\Object\Image;
use Friendica\Protocol\Diaspora;
use Friendica\Protocol\OStatus;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\XML;
use Friendica\Util\Security;
use Text_LanguageDetect;
require_once 'boot.php';
4 years ago
require_once 'include/items.php';
require_once 'include/text.php';
class Item extends BaseObject
{
// Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
const PT_ARTICLE = 0;
const PT_NOTE = 1;
const PT_PAGE = 2;
const PT_IMAGE = 16;
const PT_AUDIO = 17;
const PT_VIDEO = 18;
const PT_DOCUMENT = 19;
const PT_EVENT = 32;
const PT_PERSONAL_NOTE = 128;
// Field list that is used to display the items
const DISPLAY_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network',
'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
'contact-id', 'contact-link', 'contact-name', 'contact-avatar',
'writable', 'self', 'cid', 'alias',
'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
'event-summary', 'event-desc', 'event-location', 'event-type',
'event-nofinish', 'event-adjust', 'event-ignore', 'event-id'];
// Field list that is used to deliver items via the protocols
const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
'created', 'edited', 'verb', 'object-type', 'object', 'target',
'private', 'title', 'body', 'location', 'coord', 'app',
'attach', 'tag', 'deleted', 'extid', 'post-type',
'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
'author-id', 'author-link', 'owner-link', 'contact-uid',
'signed_text', 'signature', 'signer', 'network'];
// Field list for "item-content" table that is mixed with the item table
const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
'object-type', 'object', 'target-type', 'target', 'plink'];
// Field list for "item-content" table that is not present in the "item" table
const CONTENT_FIELDLIST = ['language'];
// Field list for additional delivery data
const DELIVERY_DATA_FIELDLIST = ['postopts', 'inform'];
// All fields in the item table
const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
'created', 'edited', 'commented', 'received', 'changed', 'verb',
'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
'title', 'content-warning', 'body', 'location', 'coord', 'app',
'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
'author-id', 'author-link', 'author-name', 'author-avatar',
'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
3 years ago
// Never reorder or remove entries from this list. Just add new ones at the end, if needed.
// The item-activity table only stores the index and needs this array to know the matching activity.
const ACTIVITIES = [ACTIVITY_LIKE, ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
private static $legacy_mode = null;
public static function isLegacyMode()
{
if (is_null(self::$legacy_mode)) {
self::$legacy_mode = (Config::get("system", "post_update_version") < 1279);
}
return self::$legacy_mode;
}
/**
* @brief returns an activity index from an activity string
*
* @param string $activity activity string
* @return integer Activity index
*/
public static function activityToIndex($activity)
{
$index = array_search($activity, self::ACTIVITIES);
if (is_bool($index)) {
$index = -1;
}
return $index;
}
/**
* @brief returns an activity string from an activity index
*
* @param integer $index activity index
* @return string Activity string
*/
private static function indexToActivity($index)
{
if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
return '';
}
return self::ACTIVITIES[$index];
}
/**
* @brief Fetch a single item row
*
* @param mixed $stmt statement object
* @return array current row
*/
public static function fetch($stmt)
{
$row = DBA::fetch($stmt);
if (is_bool($row)) {
return $row;
}
// ---------------------- Transform item structure data ----------------------
// We prefer the data from the user's contact over the public one
if (!empty($row['author-link']) && !empty($row['contact-link']) &&
($row['author-link'] == $row['contact-link'])) {
if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
$row['author-avatar'] = $row['contact-avatar'];
}
if (isset($row['author-name']) && !empty($row['contact-name'])) {
$row['author-name'] = $row['contact-name'];
}
}
if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
($row['owner-link'] == $row['contact-link'])) {
if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
$row['owner-avatar'] = $row['contact-avatar'];
}
if (isset($row['owner-name']) && !empty($row['contact-name'])) {
$row['owner-name'] = $row['contact-name'];
}
}
// We can always comment on posts from these networks
if (array_key_exists('writable', $row) &&
in_array($row['internal-network'], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS])) {
$row['writable'] = true;
}
// ---------------------- Transform item content data ----------------------
// Fetch data from the item-content table whenever there is content there
if (self::isLegacyMode()) {
$legacy_fields = array_merge(self::DELIVERY_DATA_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
foreach ($legacy_fields as $field) {
if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
$row[$field] = $row['internal-item-' . $field];
}
unset($row['internal-item-' . $field]);
}
}
if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
$row['verb'] = self::indexToActivity($row['internal-activity']);
if (array_key_exists('title', $row)) {
$row['title'] = '';
}
if (array_key_exists('body', $row)) {
$row['body'] = $row['verb'];
}
if (array_key_exists('object', $row)) {
$row['object'] = '';
}
if (array_key_exists('object-type', $row)) {
$row['object-type'] = ACTIVITY_OBJ_NOTE;
}
} elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
// Posts don't have an object or target - but having tags or files.
// We safe some performance by building tag and file strings only here.
// We remove object and target since they aren't used for this type.
if (array_key_exists('object', $row)) {
$row['object'] = '';
}
if (array_key_exists('target', $row)) {
$row['target'] = '';
}
}
if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
// Build the tag string out of the term entries
if (array_key_exists('tag', $row) && empty($row['tag'])) {
$row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
}
// Build the file string out of the term entries
if (array_key_exists('file', $row) && empty($row['file'])) {
$row['file'] = Term::fileTextFromItemId($row['internal-iid']);
}
}
if (array_key_exists('signed_text', $row) && array_key_exists('interaction', $row) && !is_null($row['interaction'])) {
$row['signed_text'] = $row['interaction'];
}
if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
$row['ignored'] = $row['internal-user-ignored'];
}
// Remove internal fields
unset($row['internal-activity']);
unset($row['internal-network']);
unset($row['internal-iid']);
unset($row['internal-iaid']);
unset($row['internal-icid']);
unset($row['internal-user-ignored']);
unset($row['interaction']);
return $row;
}
/**
* @brief Fills an array with data from an item query
*
* @param object $stmt statement object
* @return array Data array
*/
public static function inArray($stmt, $do_close = true) {
if (is_bool($stmt)) {
return $stmt;
}
$data = [];
while ($row = self::fetch($stmt)) {
$data[] = $row;
}
if ($do_close) {
DBA::close($stmt);
}
return $data;
}
/**
* @brief Check if item data exists
*
* @param array $condition array of fields for condition
*
* @return boolean Are there rows for that condition?
*/
public static function exists($condition) {
$stmt = self::select(['id'], $condition, ['limit' => 1]);
if (is_bool($stmt)) {
$retval = $stmt;
} else {
$retval = (DBA::numRows($stmt) > 0);
}
DBA::close($stmt);
return $retval;
}
/**
* Retrieve a single record from the item table for a given user and returns it in an associative array
*
* @brief Retrieve a single record from a table
* @param integer $uid User ID
* @param array $fields
* @param array $condition
* @param array $params
* @return bool|array
* @see DBA::select
*/
public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
{
$params['uid'] = $uid;
if (empty($selected)) {
$selected = Item::DISPLAY_FIELDLIST;
}
return self::selectFirst($selected, $condition, $params);
}
/**
* @brief Select rows from the item table for a given user
*
* @param integer $uid User ID
* @param array $selected Array of selected fields, empty for all
* @param array $condition Array of fields for condition
* @param array $params Array of several parameters
*
* @return boolean|object
*/
public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
{
$params['uid'] = $uid;
if (empty($selected)) {
$selected = Item::DISPLAY_FIELDLIST;
}
return self::select($selected, $condition, $params);
}
/**
* Retrieve a single record from the item table and returns it in an associative array
*
* @brief Retrieve a single record from a table
* @param array $fields
* @param array $condition
* @param array $params
* @return bool|array
* @see DBA::select
*/
public static function selectFirst(array $fields = [], array $condition = [], $params = [])
{
$params['limit'] = 1;
$result = self::select($fields, $condition, $params);
if (is_bool($result)) {
return $result;
} else {
$row = self::fetch($result);
DBA::close($result);
return $row;
}
}
/**
* @brief Select rows from the item table
*
* @param array $selected Array of selected fields, empty for all
* @param array $condition Array of fields for condition
* @param array $params Array of several parameters
*
* @return boolean|object
*/
public static function select(array $selected = [], array $condition = [], $params = [])
{
$uid = 0;
$usermode = false;
if (isset($params['uid'])) {
$uid = $params['uid'];
$usermode = true;
}
$fields = self::fieldlist($usermode);
$select_fields = self::constructSelectFields($fields, $selected);
$condition_string = DBA::buildCondition($condition);
$condition_string = self::addTablesToFields($condition_string, $fields);
if ($usermode) {
$condition_string = $condition_string . ' AND ' . self::condition(false);
}
$param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
$table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
$sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
return DBA::p($sql, $condition);
}
/**
* @brief Select rows from the starting post in the item table
*
* @param integer $uid User ID
* @param array $fields Array of selected fields, empty for all
* @param array $condition Array of fields for condition
* @param array $params Array of several parameters
*
* @return boolean|object
*/
public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
{
$params['uid'] = $uid;
if (empty($selected)) {
$selected = Item::DISPLAY_FIELDLIST;
}
return self::selectThread($selected, $condition, $params);
}
/**
* Retrieve a single record from the starting post in the item table and returns it in an associative array
*
* @brief Retrieve a single record from a table
* @param integer $uid User ID
* @param array $selected
* @param array $condition
* @param array $params
* @return bool|array
* @see DBA::select
*/
public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
{
$params['uid'] = $uid;
if (empty($selected)) {
$selected = Item::DISPLAY_FIELDLIST;
}
return self::selectFirstThread($selected, $condition, $params);
}
/**
* Retrieve a single record from the starting post in the item table and returns it in an associative array
*
* @brief Retrieve a single record from a table
* @param array $fields
* @param array $condition
* @param array $params
* @return bool|array
* @see DBA::select
*/
public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
{
$params['limit'] = 1;
$result = self::selectThread($fields, $condition, $params);
if (is_bool($result)) {
return $result;
} else {
$row = self::fetch($result);
DBA::close($result);
return $row;
}
}
/**
* @brief Select rows from the starting post in the item table
*
* @param array $selected Array of selected fields, empty for all
* @param array $condition Array of fields for condition
* @param array $params Array of several parameters
*
* @return boolean|object
*/
public static function selectThread(array $selected = [], array $condition = [], $params = [])
{
$uid = 0;
$usermode = false;
if (isset($params['uid'])) {
$uid = $params['uid'];
$usermode = true;
}
$fields = self::fieldlist($usermode);
$fields['thread'] = ['mention', 'ignored', 'iid'];
$threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
$select_fields = self::constructSelectFields($fields, $selected);
$condition_string = DBA::buildCondition($condition);
$condition_string = self::addTablesToFields($condition_string, $threadfields);
$condition_string = self::addTablesToFields($condition_string, $fields);
if ($usermode) {
$condition_string = $condition_string . ' AND ' . self::condition(true);
}
$param_string = DBA::buildParameter($params);
$param_string = self::addTablesToFields($param_string, $threadfields);
$param_string = self::addTablesToFields($param_string, $fields);
$table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
$sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
return DBA::p($sql, $condition);
}
/**
* @brief Returns a list of fields that are associated with the item table
*
* @return array field list
*/
private static function fieldlist($usermode)
{
$fields = [];
$fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
'created', 'edited', 'commented', 'received', 'changed', 'psid',
'resource-id', 'event-id', 'tag', 'attach', 'post-type', 'file',
'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
'network' => 'internal-network', 'icid' => 'internal-icid',
'iaid' => 'internal-iaid'];
if ($usermode) {
$fields['user-item'] = ['ignored' => 'internal-user-ignored'];
}
$fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
$fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
$fields['item-delivery-data'] = self::DELIVERY_DATA_FIELDLIST;
$fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
$fields['author'] = ['url' => 'author-link', 'name' => 'author-name',
'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
$fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name',
'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
$fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
$fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
$fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
$fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
'start' => 'event-start','finish' => 'event-finish',
'summary' => 'event-summary','desc' => 'event-desc',
'location' => 'event-location', 'type' => 'event-type',
'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
'ignore' => 'event-ignore', 'id' => 'event-id'];
$fields['sign'] = ['signed_text', 'signature', 'signer'];
$fields['diaspora-interaction'] = ['interaction'];
return $fields;
}
/**
* @brief Returns SQL condition for the "select" functions
*
* @param boolean $thread_mode Called for the items (false) or for the threads (true)
*
* @return string SQL condition
*/
private static function condition($thread_mode)
{
if ($thread_mode) {
$master_table = "`thread`";
} else {
$master_table = "`item`";
}
return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
GRAVITY_PARENT, GRAVITY_PARENT);
}
/**
* @brief Returns all needed "JOIN" commands for the "select" functions
*
* @param integer $uid User ID
* @param string $sql_commands The parts of the built SQL commands in the "select" functions
* @param boolean $thread_mode Called for the items (false) or for the threads (true)
*
* @return string The SQL joins for the "select" functions
*/
private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
{
if ($thread_mode) {
$master_table = "`thread`";
$master_table_key = "`thread`.`iid`";
$joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
} else {
$master_table = "`item`";
$master_table_key = "`item`.`id`";
$joins = '';
}
if ($user_mode) {
$joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
AND NOT `contact`.`blocked`
AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
} else {
if (strpos($sql_commands, "`contact`.") !== false) {
$joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
}
if (strpos($sql_commands, "`author`.") !== false) {
$joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
}
if (strpos($sql_commands, "`owner`.") !== false) {
$joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
}
}
if (strpos($sql_commands, "`group_member`.") !== false) {
$joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
}
if (strpos($sql_commands, "`user`.") !== false) {
$joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
}
if (strpos($sql_commands, "`event`.") !== false) {
$joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
}
if (strpos($sql_commands, "`sign`.") !== false) {
$joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
}
if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
$joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
}
if (strpos($sql_commands, "`item-activity`.") !== false) {
$joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
}
if (strpos($sql_commands, "`item-content`.") !== false) {
$joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
}
if (strpos($sql_commands, "`item-delivery-data`.") !== false) {
$joins .= " LEFT JOIN `item-delivery-data` ON `item-delivery-data`.`iid` = `item`.`id`";
}
if (strpos($sql_commands, "`permissionset`.") !== false) {
$joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
}
if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
$joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
}
if (strpos($sql_commands, "`parent-item-author`.") !== false) {
$joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
}
return $joins;
}
/**
* @brief Add the field list for the "select" functions
*
* @param array $fields The field definition array
* @param array $selected The array with the selected fields from the "select" functions
*
* @return string The field list
*/
private static function constructSelectFields($fields, $selected)
{
if (!empty($selected)) {
$selected[] = 'internal-iid';
$selected[] = 'internal-iaid';
$selected[] = 'internal-icid';
$selected[] = 'internal-network';
}
if (in_array('verb', $selected)) {
$selected[] = 'internal-activity';
}
if (in_array('ignored', $selected)) {
$selected[] = 'internal-user-ignored';
}
if (in_array('signed_text', $selected)) {
$selected[] = 'interaction';
}
$selection = [];
foreach ($fields as $table => $table_fields) {
foreach ($table_fields as $field => $select) {
if (empty($selected) || in_array($select, $selected)) {
$legacy_fields = array_merge(self::DELIVERY_DATA_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
$selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
}
if (is_int($field)) {
$selection[] = "`" . $table . "`.`" . $select . "`";
} else {
$selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
}
}
}
}
return implode(", ", $selection);
}
/**
* @brief add table definition to fields in an SQL query
*
* @param string $query SQL query
* @param array $fields The field definition array
*
* @return string the changed SQL query
*/
private static function addTablesToFields($query, $fields)
{
foreach ($fields as $table => $table_fields) {
foreach ($table_fields as $alias => $field) {
if (is_int($alias)) {
$replace_field = $field;
} else {
$replace_field = $alias;
}
$search = "/([^\.])`" . $field . "`/i";
$replace = "$1`" . $table . "`.`" . $replace_field . "`";
$query = preg_replace($search, $replace, $query);
}
}
return $query;
}
/**
* @brief Update existing item entries
*
* @param array $fields The fields that are to be changed
* @param array $condition The condition for finding the item entries
*
* In the future we may have to change permissions as well.
* Then we had to add the user id as third parameter.
*
* A return value of "0" doesn't mean an error - but that 0 rows had been changed.
*
* @return integer|boolean number of affected rows - or "false" if there was an error
*/
public static function update(array $fields, array $condition)
{
if (empty($condition) || empty($fields)) {
return false;
}
// To ensure the data integrity we do it in an transaction