/**
* Retrives all of a users friends from the Instagram API and stores them in the database
* @return null
*/
private function storeFriends()
{
if ($this->instance->network != 'instagram') {
return;
}
//Retrieve friends via the Instagram API
$user_id = $this->instance->network_user_id;
$access_token = $this->access_token;
$network = $user_id == $this->instance->network_user_id ? $this->instance->network : 'instagram';
try {
$friends = InstagramAPIAccessor::apiRequest('friends', $user_id, $access_token);
} catch (Instagram\Core\ApiException $e) {
$this->logger->logInfo(get_class($e) . " Error fetching friends from Instagram API, error was " . $e->getMessage(), __METHOD__ . ',' . __LINE__);
return;
}
if (isset($friends)) {
//store relationships in follows table
$follows_dao = DAOFactory::getDAO('FollowDAO');
$count_dao = DAOFactory::getDAO('CountHistoryDAO');
$user_dao = DAOFactory::getDAO('UserDAO');
foreach ($friends as $friend) {
$follower_id = null;
try {
$follower_id = $friend->getId();
} catch (Instagram\Core\ApiException $e) {
$this->logger->logInfo(get_class($e) . " Error fetching " . Utils::varDumpToString($friend) . "'s details from Instagram API, error was " . $e->getMessage(), __METHOD__ . ',' . __LINE__);
}
if (isset($follower_id)) {
if ($follows_dao->followExists($user_id, $follower_id, $network)) {
// follow relationship already exists
$follows_dao->update($user_id, $follower_id, $network);
} else {
// follow relationship does not exist yet
$follows_dao->insert($user_id, $follower_id, $network);
}
$follower_details = $friend;
if (isset($follower_details)) {
$follower_details->network = $network;
}
$follower = $this->parseUserDetails($follower_details);
$follower_object = new User($follower);
if (isset($follower_object)) {
$user_dao->updateUser($follower_object);
}
}
}
//totals in follower_count table
$count_dao->insert($user_id, $network, $friends->count(), null, 'followers');
} else {
throw new Instagram\Core\ApiAuthException('Error retrieving friends');
}
$this->logger->logInfo("Ending", __METHOD__ . ',' . __LINE__);
}
/**
* Page back through friends starting at the beginning (cursor is null) or at cursor
* until either
* A. No more next cursor
* if A mark next cursor null
* or B. out of API calls
* if B store follows_next_cursor for pickup next time
* @param str $follows_next_cursor
* @return void
*/
public function pageThroughFriends($follows_next_cursor = null)
{
$this->logger->logInfo("Start paging through friends", __METHOD__ . ',' . __LINE__);
//Retrieve friends via the Instagram API
$user_id = $this->instance->network_user_id;
$network = $user_id == $this->instance->network_user_id ? $this->instance->network : 'instagram';
$api_param = null;
if (isset($follows_next_cursor)) {
$api_param = array('next_cursor' => $follows_next_cursor);
}
try {
$this->logger->logInfo("Make api call", __METHOD__ . ',' . __LINE__);
$friends = $this->api_accessor->apiRequest('friends', $api_param);
} catch (Exception $e) {
$this->logger->logInfo(get_class($e) . " Error fetching followers from Instagram API, error was " . $e->getMessage(), __METHOD__ . ',' . __LINE__);
return;
}
$follows_dao = DAOFactory::getDAO('FollowDAO');
$continue = isset($friends);
while ($continue) {
foreach ($friends as $friend) {
//store user in users table
$this->fetchUser($friend->id, 'Friends', $friend->username, $friend->full_name, $friend->profile_picture);
//store relationships in follows table
if ($follows_dao->followExists($friend->id, $user_id, $network)) {
// follow relationship already exists
$follows_dao->update($friend->id, $user_id, $network);
} else {
// follow relationship does not exist yet
$follows_dao->insert($friend->id, $user_id, $network);
}
}
$this->logger->logInfo("Done with " . $friends->count() . " followers", __METHOD__ . ',' . __LINE__);
$next_cursor = $friends->getNext();
$friends = null;
if (isset($next_cursor)) {
$this->logger->logInfo("Next cursor is set to " . $next_cursor, __METHOD__ . ',' . __LINE__);
//Persist the next cursor in the instance
$this->instance->followed_by_next_cursor = $next_cursor;
$api_param['cursor'] = $next_cursor;
try {
$friends = $this->api_accessor->apiRequest('friends', $api_param);
if (!isset($friends) || $friends->count() == 0) {
$this->logger->logInfo("No friends returned, marking archive loaded", __METHOD__ . ',' . __LINE__);
$this->instance->is_archive_loaded_friends = true;
$this->instance->follows_next_cursor = null;
$continue = false;
}
} catch (Exception $e) {
$this->instance->follows_next_cursor = $next_cursor;
$this->logger->logInfo("Stopping due to " . get_class($e) . "; saving cursor " . $next_cursor, __METHOD__ . ',' . __LINE__);
$continue = false;
}
} else {
$this->logger->logInfo("No next cursor available", __METHOD__ . ',' . __LINE__);
$this->instance->is_archive_loaded_follows = true;
$this->instance->follows_next_cursor = null;
$continue = false;
}
}
$this->logger->logInfo("Done paging through friends", __METHOD__ . ',' . __LINE__);
}