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We now store activities in a separate table

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Michael 2018-07-05 22:00:38 +00:00
parent bd1056a61e
commit 44e405d22b
4 changed files with 233 additions and 41 deletions
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2
boot.php
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@ -41,7 +41,7 @@ define('FRIENDICA_PLATFORM', 'Friendica');
define('FRIENDICA_CODENAME', 'The Tazmans Flax-lily');
define('FRIENDICA_VERSION', '2018.08-dev');
define('DFRN_PROTOCOL_VERSION', '2.23');
define('DB_UPDATE_VERSION', 1274);
define('DB_UPDATE_VERSION', 1275);
define('NEW_UPDATE_ROUTINE_VERSION', 1170);
/**

16
database.sql
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@ -1,6 +1,6 @@
-- ------------------------------------------
-- Friendica 2018.08-dev (The Tazmans Flax-lily)
-- DB_UPDATE_VERSION 1274
-- DB_UPDATE_VERSION 1275
-- ------------------------------------------
@ -478,6 +478,7 @@ CREATE TABLE IF NOT EXISTS `item` (
`author-link` varchar(255) NOT NULL DEFAULT '' COMMENT 'Link to the profile page of the author of this item',
`author-avatar` varchar(255) NOT NULL DEFAULT '' COMMENT 'Link to the avatar picture of the author of this item',
`icid` int unsigned COMMENT 'Id of the item-content table entry that contains the whole item content',
`iaid` int unsigned COMMENT 'Id of the item-activity table entry that contains the activity data',
`title` varchar(255) NOT NULL DEFAULT '' COMMENT 'item title',
`content-warning` varchar(255) NOT NULL DEFAULT '' COMMENT '',
`body` mediumtext COMMENT 'item body content',
@ -542,6 +543,19 @@ CREATE TABLE IF NOT EXISTS `item` (
INDEX `icid` (`icid`)
) DEFAULT COLLATE utf8mb4_general_ci COMMENT='Structure for all posts';
--
-- TABLE item-activity
--
CREATE TABLE IF NOT EXISTS `item-activity` (
`id` int unsigned NOT NULL auto_increment,
`uri` varchar(255) NOT NULL DEFAULT '' COMMENT '',
`uri-hash` char(80) NOT NULL DEFAULT '' COMMENT 'SHA-1 and RIPEMD-160 hash from uri',
`activity` smallint unsigned NOT NULL DEFAULT 0 COMMENT '',
PRIMARY KEY(`id`),
UNIQUE INDEX `uri-hash` (`uri-hash`),
INDEX `uri` (`uri`(191))
) DEFAULT COLLATE utf8mb4_general_ci COMMENT='Activities for items';
--
-- TABLE item-content
--

15
src/Database/DBStructure.php
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@ -1182,6 +1182,7 @@ class DBStructure
"author-link" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => "Link to the profile page of the author of this item"],
"author-avatar" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => "Link to the avatar picture of the author of this item"],
"icid" => ["type" => "int unsigned", "relation" => ["item-content" => "id"], "comment" => "Id of the item-content table entry that contains the whole item content"],
"iaid" => ["type" => "int unsigned", "relation" => ["item-activity" => "id"], "comment" => "Id of the item-activity table entry that contains the activity data"],
"title" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => "item title"],
"content-warning" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => ""],
"body" => ["type" => "mediumtext", "comment" => "item body content"],
@ -1248,6 +1249,20 @@ class DBStructure
"icid" => ["icid"],
]
];
$database["item-activity"] = [
"comment" => "Activities for items",
"fields" => [
"id" => ["type" => "int unsigned", "not null" => "1", "extra" => "auto_increment", "primary" => "1", "relation" => ["thread" => "iid"]],
"uri" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => ""],
"uri-hash" => ["type" => "char(80)", "not null" => "1", "default" => "", "comment" => "SHA-1 and RIPEMD-160 hash from uri"],
"activity" => ["type" => "smallint unsigned", "not null" => "1", "default" => "0", "comment" => ""],
],
"indexes" => [
"PRIMARY" => ["id"],
"uri-hash" => ["UNIQUE", "uri-hash"],
"uri" => ["uri(191)"],
]
];
$database["item-content"] = [
"comment" => "Content for all posts",
"fields" => [

241
src/Model/Item.php
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@ -67,7 +67,7 @@ class Item extends BaseObject
// 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',
'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid',
'created', 'edited', 'commented', 'received', 'changed', 'verb',
'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
@ -78,6 +78,40 @@ class Item extends BaseObject
'author-id', 'author-link', 'author-name', 'author-avatar',
'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
const ACTIVITIES = [ACTIVITY_LIKE, ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
/**
* @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 $index activity index
* @return string Activity string
*/
public static function indexToActivity($index)
{
if (!isset(self::ACTIVITIES[$index])) {
return '';
}
return self::ACTIVITIES[$index];
}
/**
* @brief Fetch a single item row
*
@ -88,14 +122,12 @@ class Item extends BaseObject
{
$row = dba::fetch($stmt);
// Fetch data from the item-content table whenever there is content there
foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
if (empty($row[$field]) && !empty($row['item-' . $field])) {
$row[$field] = $row['item-' . $field];
}
unset($row['item-' . $field]);
if (is_bool($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'] == $row['contact-link'])) {
@ -117,22 +149,64 @@ class Item extends BaseObject
}
}
// Build the tag string out of the term entries
if (isset($row['id']) && array_key_exists('tag', $row)) {
$row['tag'] = Term::tagTextFromItemId($row['id']);
}
// Build the file string out of the term entries
if (isset($row['id']) && array_key_exists('file', $row)) {
$row['file'] = Term::fileTextFromItemId($row['id']);
}
// We can always comment on posts from these networks
if (isset($row['writable']) && !empty($row['network']) &&
in_array($row['network'], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS])) {
if (array_key_exists('writable', $row) &&
in_array($row['internal-network'], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS])) {
$row['writable'] = true;
}
// ---------------------- Transform item content data ----------------------
// Fetch data from the item-content table whenever there is content there
foreach (self::MIXED_CONTENT_FIELDLIST 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)) {
$row['object-type'] = ACTIVITY_OBJ_NOTE;
}
} elseif (in_array($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'] = '';
}
// Build the tag string out of the term entries
if (array_key_exists('tag', $row)) {
$row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
}
// Build the file string out of the term entries
if (array_key_exists('file', $row)) {
$row['file'] = Term::fileTextFromItemId($row['internal-iid']);
}
}
// Remove internal fields
unset($row['internal-activity']);
unset($row['internal-network']);
unset($row['internal-iid']);
unset($row['internal-iaid']);
unset($row['internal-icid']);
return $row;
}
@ -417,7 +491,11 @@ class Item extends BaseObject
'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
'id' => 'item_id', 'network', 'icid'];
'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
'network' => 'internal-network', 'icid' => 'internal-icid',
'iaid' => 'internal-iaid'];
$fields['item-activity'] = ['activity' => 'internal-activity'];
$fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
@ -522,6 +600,10 @@ class Item extends BaseObject
$joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
}
if (strpos($sql_commands, "`item-activity`.") !== false) {
$joins .= " LEFT JOIN `item-activity` ON `item-activity`.`id` = `item`.`iaid`";
}
if (strpos($sql_commands, "`item-content`.") !== false) {
$joins .= " LEFT JOIN `item-content` ON `item-content`.`id` = `item`.`icid`";
}
@ -547,14 +629,15 @@ class Item extends BaseObject
*/
private static function constructSelectFields($fields, $selected)
{
// To be able to fetch the tags we need the item id
if (in_array('tag', $selected) && !in_array('id', $selected)) {
$selected[] = 'id';
if (!empty($selected)) {
$selected[] = 'internal-iid';
$selected[] = 'internal-iaid';
$selected[] = 'internal-icid';
$selected[] = 'internal-network';
}
// To be able to fetch the files we need the item id
if (in_array('file', $selected) && !in_array('id', $selected)) {
$selected[] = 'id';
if (in_array('verb', $selected)) {
$selected[] = 'internal-activity';
}
$selection = [];
@ -562,7 +645,7 @@ class Item extends BaseObject
foreach ($table_fields as $field => $select) {
if (empty($selected) || in_array($select, $selected)) {
if (in_array($select, self::MIXED_CONTENT_FIELDLIST)) {
$selection[] = "`item`.`".$select."` AS `item-" . $select . "`";
$selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
}
if (is_int($field)) {
$selection[] = "`" . $table . "`.`" . $select . "`";
@ -626,7 +709,7 @@ class Item extends BaseObject
// We cannot simply expand the condition to check for origin entries
// The condition needn't to be a simple array but could be a complex condition.
// And we have to execute this query before the update to ensure to fetch the same data.
$items = dba::select('item', ['id', 'origin', 'uri', 'plink', 'icid'], $condition);
$items = dba::select('item', ['id', 'origin', 'uri', 'plink', 'iaid', 'icid'], $condition);
$content_fields = [];
foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
@ -667,19 +750,21 @@ class Item extends BaseObject
if (!empty($item['plink'])) {
$content_fields['plink'] = $item['plink'];
}
self::updateContent($content_fields, ['uri' => $item['uri']]);
if (!self::updateActivity($content_fields, ['uri' => $item['uri']])) {
self::updateContent($content_fields, ['uri' => $item['uri']]);
if (empty($item['icid'])) {
$item_content = dba::selectFirst('item-content', [], ['uri' => $item['uri']]);
if (DBM::is_result($item_content)) {
$item_fields = ['icid' => $item_content['id']];
// Clear all fields in the item table that have a content in the item-content table
foreach ($item_content as $field => $content) {
if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
$item_fields[$field] = '';
if (empty($item['icid'])) {
$item_content = dba::selectFirst('item-content', [], ['uri' => $item['uri']]);
if (DBM::is_result($item_content)) {
$item_fields = ['icid' => $item_content['id']];
// Clear all fields in the item table that have a content in the item-content table
foreach ($item_content as $field => $content) {
if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
$item_fields[$field] = '';
}
}
dba::update('item', $item_fields, ['id' => $item['id']]);
}
dba::update('item', $item_fields, ['id' => $item['id']]);
}
}
@ -1422,7 +1507,9 @@ class Item extends BaseObject
}
// We are doing this outside of the transaction to avoid timing problems
self::insertContent($item);
if (!self::insertActivity($item)) {
self::insertContent($item);
}
dba::transaction();
$ret = dba::insert('item', $item);
@ -1577,6 +1664,55 @@ class Item extends BaseObject
return $current_post;
}
/**
* @brief Insert a new item content entry
*
* @param array $item The item fields that are to be inserted
*/
private static function insertActivity(&$item)
{
$activity_index = self::activityToIndex($item['verb']);
if ($activity_index < 0) {
return false;
}
$fields = ['uri' => $item['uri'], 'activity' => $activity_index,
'uri-hash' => hash('sha1', $item['uri']) . hash('ripemd160', $item['uri'])];
$saved_item = $item;
// We just remove everything that is content
foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
unset($item[$field]);
}
// To avoid timing problems, we are using locks.
$locked = Lock::set('item_insert_activity');
if (!$locked) {
logger("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
}
// Do we already have this content?
$item_activity = dba::selectFirst('item-activity', ['id'], ['uri' => $item['uri']]);
if (DBM::is_result($item_activity)) {
$item['iaid'] = $item_activity['id'];
logger('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
} elseif (dba::insert('item-activity', $fields)) {
$item['iaid'] = dba::lastInsertId();
logger('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
} else {
// This shouldn't happen. But if it does, we simply store it in the item-content table
logger('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
$item = $saved_item;
return false;
}
if ($locked) {
Lock::remove('item_insert_activity');
}
return true;
}
/**
* @brief Insert a new item content entry
*
@ -1635,6 +1771,33 @@ class Item extends BaseObject
}
}
/**
* @brief Update existing item content entries
*
* @param array $item The item fields that are to be changed
* @param array $condition The condition for finding the item content entries
*/
private static function updateActivity($item, $condition)
{
if (empty($item['verb'])) {
return false;
}
$activity_index = self::activityToIndex($item['verb']);
if (!$activity_index) {
return false;
}
$fields = ['activity' => $activity_index];
logger('Update activity for URI ' . $condition['uri']);
dba::update('item-activity', $fields, $condition, true);
return true;
}
/**
* @brief Update existing item content entries
*