// 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',
'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
*
{
$row = dba::fetch($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'] == $row['contact-link'])) {
}
}
- // Build the tag string out of the term entries
- if (isset($row['id']) && array_key_exists('tag', $row)) {
- $row['tag'] = Term::tagTextFromItemId($row['id']);
+ // We can always comment on posts from these networks
+ if (array_key_exists('writable', $row) &&
+ in_array($row['internal-network'], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS])) {
+ $row['writable'] = true;
}
- // Build the file string out of the term entries
- if (isset($row['id']) && array_key_exists('file', $row)) {
- $row['file'] = Term::fileTextFromItemId($row['id']);
+ // ---------------------- 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-' . $field]);
}
- // We can always comment on posts from these networks
- if (isset($row['writable']) && !empty($row['network']) &&
- in_array($row['network'], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS])) {
- $row['writable'] = true;
+ if (!empty($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;
}
'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);
$joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
}
+ if (strpos($sql_commands, "`item-activity`.") !== false) {
+ $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`id` = `item`.`iaid`";
+ }
+
if (strpos($sql_commands, "`item-content`.") !== false) {
$joins .= " LEFT JOIN `item-content` ON `item-content`.`id` = `item`.`icid`";
}
*/
private static function constructSelectFields($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';
}
$selection = [];
foreach ($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 . "`";
// 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 $field) {
if (!empty($item['plink'])) {
$content_fields['plink'] = $item['plink'];
}
- self::updateContent($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 (!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] = '';
+ }
}
+ dba::update('item', $item_fields, ['id' => $item['id']]);
}
- dba::update('item', $item_fields, ['id' => $item['id']]);
}
}
}
// We are doing this outside of the transaction to avoid timing problems
- self::insertContent($item);
+ if (!self::insertActivity($item)) {
+ self::insertContent($item);
+ }
dba::transaction();
$ret = dba::insert('item', $item);
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
*
}
}
+ /**
+ * @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
*