ComunicAPI/classes/components/CallsComponent.php

410 lines
10 KiB
PHP

<?php
/**
* Calls components
*
* @author Pierre HUBERT
*/
class CallsComponents {
/**
* Calls tables names
*/
private const CALLS_LIST_TABLE = "comunic_calls";
private const CALLS_MEMBERS_TABLE = "comunic_calls_members";
/**
* Get and return calls configuration
*
* @return CallsConfig Calls configuration / invalid object
* if none found (empty config)
*/
public function getConfig() : CallsConfig {
$callConfig = cs()->config->get("calls");
//If no call config was found
if(!$callConfig || !is_array($callConfig) || !$callConfig["enabled"])
return new CallsConfig();
$config = new CallsConfig();
$config->set_enabled($callConfig["enabled"]);
$config->set_maximum_number_members($callConfig["maximum_number_members"]);
$config->set_signal_server_name($callConfig["signal_server_name"]);
$config->set_signal_server_port($callConfig["signal_server_port"]);
$config->set_is_signal_server_secure($callConfig["is_signal_server_secure"]);
$config->set_stun_server($callConfig["stun_server"]);
$config->set_turn_server($callConfig["turn_server"]);
$config->set_turn_username($callConfig["turn_username"]);
$config->set_turn_password($callConfig["turn_password"]);
return $config;
}
/**
* Get the call for a conversation
*
* @param $conversation_id Target conversation ID
* @param $load_members Specify whether members information should
* be loaded too or not
* @return CallInformation Matching call information object / invalid object
* in case of failure
*/
public function getForConversation(int $conversation_id, bool $load_members) : CallInformation {
$entry = db()->select(
self::CALLS_LIST_TABLE,
"WHERE conversation_id = ?",
array($conversation_id)
);
if(count($entry) == 0)
return new CallInformation();
$info = self::DBToCallInformation($entry[0]);
//Load call members if required
if($load_members && !$this->getMembers($info))
return new CallInformation();
return $info;
}
/**
* Get information about a call
*
* @param $call_id Target call ID
* @param $load_members Specify whether members information should
* be loaded too or not
* @return CallInformation Matching call information object / invalid object
* in case of failure
*/
public function get(int $call_id, bool $load_members) : CallInformation {
$entry = db()->select(
self::CALLS_LIST_TABLE,
"WHERE id = ?",
array($call_id)
);
if(count($entry) == 0)
return new CallInformation();
$info = self::DBToCallInformation($entry[0]);
//Load call members if required
if($load_members && !$this->getMembers($info))
return new CallInformation();
return $info;
}
/**
* Update last activity time of a conversation
*
* @param $call_id The ID of the call to update
* @return bool TRUE for a success / FALSE else
*/
public function updateLastActivity(int $call_id) : bool {
return db()->updateDB(
self::CALLS_LIST_TABLE,
"id = ?",
array(
"last_active" => time()
),
array(
$call_id
)
);
}
/**
* Get the next call for a user
*
* @param $userID Target user ID
* @param $load_members Specify whether information about members
* should be loaded or not
* @return CallInformation Information about the call / invalid object
* if none found
*/
public function getNextPendingForUser(int $userID, bool $load_members) : CallInformation {
//Get the ID of a call the user has not responded yet
$entries = db()->select(
self::CALLS_MEMBERS_TABLE,
"WHERE user_id = ? AND status = ?",
array($userID, CallMemberInformation::USER_UNKNOWN),
array("call_id")
);
//Check if the user has no pending call
if(count($entries) == 0)
return new CallInformation();
return $this->get($entries[0]["call_id"], $load_members);
}
/**
* Create a call for a conversation
*
* @param $conversationID The ID of the target conversation
* @return bool TRUE for a success / FALSE else
*/
public function createForConversation(int $conversationID) : bool {
//Generate call information
$info = new CallInformation();
$info->set_conversation_id($conversationID);
$info->set_last_active(time());
//We need to get the list of members of the conversation to create members list
$conversation_members = components()->conversations->getConversationMembers($conversationID);
//Check for errors
if(count($conversation_members) == 0)
return false;
//Insert the call in the database to get its ID
if(!db()->addLine(
self::CALLS_LIST_TABLE,
self::CallInformationToDB($info)
))
return false;
$info->set_id(db()->getLastInsertedID());
foreach($conversation_members as $memberID){
$member = new CallMemberInformation();
$member->set_call_id($info->get_id());
$member->set_userID($memberID);
$member->set_user_call_id(random_str(190));
$member->set_status(CallMemberInformation::USER_UNKNOWN);
//Try to add the member to the list
if(!$this->addMember($member))
return false;
}
//Success
return true;
}
/**
* Add a new member to a call
*
* @param $member Information about the member to add
* @return bool TRUE for a success / FALSE else
*/
private function addMember(CallMemberInformation $member) : bool {
return db()->addLine(
self::CALLS_MEMBERS_TABLE,
self::CallMemberInformationToDB($member)
);
}
/**
* Load information about the members related to the call
*
* @param $info Information about the call to process
* @return bool TRUE in case of success / FALSE else
*/
private function getMembers(CallInformation $info) : bool {
$entries = db()->select(
self::CALLS_MEMBERS_TABLE,
"WHERE call_id = ?",
array($info->get_id())
);
foreach($entries as $entry)
$info->add_member(self::DBToCallMemberInformation($entry));
return count($entries) > 0;
}
/**
* Count and return the number of pending calls for a user
*
* @param $userID The ID of the target user
* @return int The number of pending calls for the user
*/
public function countPendingResponsesForUser(int $userID) : int {
return db()->count(
self::CALLS_MEMBERS_TABLE,
"WHERE user_id = ? AND status = ?",
array($userID, CallMemberInformation::USER_UNKNOWN)
);
}
/**
* Check out whether a user belongs to a call or not
*
* @param $callID The ID of the target call
* @param $userID The ID of the target user
* @return bool TRUE if the user belongs to the call / FALSE else
*/
public function doesUserBelongToCall(int $callID, int $userID) : bool {
return db()->count(
self::CALLS_MEMBERS_TABLE,
"WHERE call_id = ? AND user_id = ?",
array($callID, $userID)
) > 0;
}
/**
* Set the response of a member to a call
*
* @param $callID The ID of the target call
* @param $userID The ID of the target member
* @param $accept TRUE to accept the call / FALSE else
* @return bool TRUE for a success / FALSE else
*/
public function setMemberResponse(int $callID, int $userID, bool $accept) : bool {
return $this->setMemberStatus(
$accept ? CallMemberInformation::USER_ACCEPTED : CallMemberInformation::USER_REJECTED, $callID, $userID);
}
/**
* Make user hang up the call
*
* @param int $callID Target call ID
* @param int $userID Target user ID
* @return bool TRUE for a success / FALSE else
*/
public function setMemberHangUp(int $callID, int $userID) : bool {
return $this->setMemberStatus(CallMemberInformation::USER_HANG_UP, $callID, $userID);
}
/**
* Update member status
*
* @param $status New status for the user
* @param $callID Target call ID
* @param $userID Target user ID
* @return bool TRUE for a success / FALSE else
*/
private function setMemberStatus(int $status, int $callID, int $userID){
db()->updateDB(
self::CALLS_MEMBERS_TABLE,
"call_id = ? AND user_id = ?",
array(
"status" => $status
),
array(
$callID,
$userID
)
);
return true;
}
/**
* Delete all old call
*
* @return bool TRUE for a success / FALSE else
*/
public function cleanCalls() : bool {
//Compute timeout time
$old_time = time() - cs()->config->get("calls_expiration");
//Get the list of old calls
$calls = db()->select(
self::CALLS_LIST_TABLE,
"WHERE last_active < ?",
array($old_time),
array("id")
);
//Process each result
foreach($calls as $call){
//Delete all the members of the call
db()->deleteEntry(
self::CALLS_MEMBERS_TABLE,
"call_id = ?",
array($call["id"])
);
}
//Delete calls entries
db()->deleteEntry(
self::CALLS_LIST_TABLE,
"last_active < ?",
array($old_time)
);
//Success
return true;
}
/**
* Turn a database entry into a CallInformation object
*
* @param $entry The entry to convert
* @return CallInformation Generated object
*/
private static function DBToCallInformation(array $entry) : CallInformation {
$info = new CallInformation();
$info->set_id($entry["id"]);
$info->set_conversation_id($entry["conversation_id"]);
$info->set_last_active($entry["last_active"]);
return $info;
}
/**
* Turn a CallInformation object into a database entry
*
* @param $call Call information object to convert
* @return array Generated array
*/
private static function CallInformationToDB(CallInformation $call) : array {
$data = array();
$data["conversation_id"] = $call->get_conversation_id();
$data["last_active"] = $call->get_last_active();
return $data;
}
/**
* Turn a database entry into a CallMemberInformation object
*
* @param $entry The entry to convert
* @return CallMemberInformation Generated object
*/
private static function DBToCallMemberInformation(array $entry) : CallMemberInformation {
$member = new CallMemberInformation();
$member->set_id($entry["id"]);
$member->set_call_id($entry["call_id"]);
$member->set_userID($entry["user_id"]);
$member->set_user_call_id($entry["user_call_id"]);
$member->set_status($entry["status"]);
return $member;
}
/**
* Turn a CallMemberInformation object into a database entry
*
* @param $member The member to convert
* @return array Generated database entry
*/
private static function CallMemberInformationToDB(CallMemberInformation $member) : array {
$data = array();
$data["call_id"] = $member->get_call_id();
$data["user_id"] = $member->get_userID();
$data["user_call_id"] = $member->get_user_call_id();
$data["status"] = $member->get_status();
return $data;
}
}
//Register class
Components::register("calls", new CallsComponents());