ComunicAPI/RestControllers/friendsController.php

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<?php
/**
* Friends controller
*
* @author Pierre HUBERT
*/
class friendsController{
/**
* Get friends list
*
* @url POST /friends/getList
*/
public function getFriendsList(){
user_login_required(); //Login required
//Try to get friends list
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$friendsList = CS::get()->components->friends->getList(userID);
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//Check for errors
if($friendsList === false)
Rest_fatal_error(500, "Couldn't get friends list !");
//Update the last activity of the user
CS::get()->components->user->updateLastActivity(userID);
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//Return list
return $friendsList;
}
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/**
* Send a friendship request
*
* @url POST /friends/sendRequest
*/
public function sendRequest(){
user_login_required(); //Login required
//Check parametres
if(!isset($_POST["friendID"]))
Rest_fatal_error(400, "Please specify a user ID !");
//Extract informations and process request
$friendID = toInt($_POST['friendID']);
//Check friendID validity
if(!check_user_id($friendID))
Rest_fatal_error(401, "The user ID you specified is invalid !");
//Check if the user exists
if(!CS::get()->components->user->exists($friendID))
Rest_fatal_error(401, "Specifed user does not exist!");
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//Check if the two persons are already friend
if(CS::get()->components->friends->are_friend(userID, $friendID))
Rest_fatal_error(401, "The two personns are already friend !");
//Check if there is already a pending request
//Check if the current user has sent a request to the other user
if(CS::get()->components->friends->sent_request(userID, $friendID))
Rest_fatal_error(401, "You have already sent a friendship request to this personn !");
//Check if the current user has received a friendship request
if(CS::get()->components->friends->sent_request($friendID, userID))
Rest_fatal_error(401, "You have already received a friendship request from this personn !");
//We can now create the request
if(!CS::get()->components->friends->send_request(userID, $friendID))
Rest_fatal_error(500, "Couldn't create friendship request !");
//Success
return array("success" => "The friendship request has been created !");
}
/**
* Remove a previously send frienship request
*
* @url POST /friends/removeRequest
*/
public function removeRequest(){
user_login_required(); //Login required
//Check parametres
if(!isset($_POST["friendID"]))
Rest_fatal_error(400, "Please specify a user ID !");
//Extract informations and process request
$friendID = toInt($_POST['friendID']);
//Check if the current user has sent a request to the other user
if(!CS::get()->components->friends->sent_request(userID, $friendID))
Rest_fatal_error(401, "You didn't send a friendship request to this user !");
//Try to remove the friendship request
if(!CS::get()->components->friends->remove_request(userID, $friendID))
Rest_fatal_error(500, "An error occured while trying to remove the friendship request !");
//This is a success
return array("success" => "The friendship request has been removed!");
}
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/**
* Respond to a friendship request
*
* @url POST /friends/respondRequest
*/
public function respondRequest(){
user_login_required(); //Login required
//Check parametres
if(!isset($_POST["friendID"]) OR !isset($_POST['accept']))
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Rest_fatal_error(400, "Please check your parametres !");
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//Extract informations and process request
$friendID = toInt($_POST['friendID']);
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$acceptRequest = $_POST['accept'] == "true";
//Try to perform request
$result = CS::get()->components->friends->respondRequest(userID, $friendID, $acceptRequest);
//Return result
if($result != true)
Rest_fatal_error(500, "Couldn't respond to friendship request !");
//Else it is a success
return array("success" => "A response was given to friendship request !");
}
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/**
* Delete a friend from the list
*
* @url POST /friends/remove
*/
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public function delete(){
user_login_required(); //Login required
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//Check input parametres
if(!isset($_POST['friendID']))
Rest_fatal_error(400, "Please specify the ID of the friend to delete !");
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//Delete the friend from the list
$friendID = toInt($_POST['friendID']);
$result = CS::get()->components->friends->remove(userID, $friendID);
//Check if the operation is a result
if(!$result)
Rest_fatal_error(500, "Couldn't remove user from the friendlist for an unexcepted reason !");
else
return array("success" => "The friend was removed from the list !");
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}
/**
* Get the status of a friendship
*
* Check if the users are friends, or this there is a pending request...
*
* @url POST /friends/getStatus
*/
public function getStatus(){
user_login_required(); //Login required
//Check if the a friendID has been specified
if(!isset($_POST['friendID']))
Rest_fatal_error(400, "Please specify a friend ID !");
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//Get it
$friendID = toInt($_POST['friendID']);
//Prepare the response
$response = array(
"are_friend" => false,
"sent_request" => false,
"received_request" => false,
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"following" => false,
"can_post_texts" => false,
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);
//Check if the two personns are friend
$response['are_friend'] =
CS::get()->components->friends->are_friend(userID, $friendID);
//Perform next check only if the personns are not already friend
if(!$response['are_friend']){
//Check if the current user has sent a request to the other user
if(CS::get()->components->friends->sent_request(userID, $friendID))
$response["sent_request"] = true;
//Check if the current user has received a friendship request
if(CS::get()->components->friends->sent_request($friendID, userID))
$response["received_request"] = true;
}
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else {
//Perform the check specific to the real friend
//Check if the user is following his friend or not
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if(CS::get()->components->friends->is_following(userID, $friendID))
$response['following'] = true;
//Check if the user can post text on his friend page
if(CS::get()->components->friends->can_post_text(userID, $friendID))
$response['can_post_texts'] = true;
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}
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//Return the response
return $response;
}
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/**
* Update the following status of a friendship
*
* @url POST /friends/setFollowing
*/
public function update_following(){
user_login_required(); //Login required
//Check if the a friendID has been specified
if(!isset($_POST['friendID']))
Rest_fatal_error(400, "Please specify a friend ID !");
$friendID = toInt($_POST['friendID']);
//Check if a follow status has been specified
if(!isset($_POST['follow']))
Rest_fatal_error(400, "Please specify a follow status!");
$following = $_POST['follow'] === "true";
//Check if the two personns are friend
if(!CS::get()->components->friends->are_friend(userID, $friendID))
Rest_fatal_error(401, "You are not friend with this personn!");
//Update following status
if(!CS::get()->components->friends->set_following(userID, $friendID, $following))
Rest_fatal_error(500, "Couldn't update friendship status!");
//Success
return array("success" => "Friendship status has been updated!");
}
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}