mirror of
https://github.com/pierre42100/ComunicAPI
synced 2024-11-27 15:59:29 +00:00
417 lines
12 KiB
PHP
417 lines
12 KiB
PHP
<?php
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/**
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* Conversations component
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*
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* @author Pierre HUBERT
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*/
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class conversations {
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/**
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* @var String $conversationsListTable Name of the conversation list table
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*/
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private $conversationsListTable;
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/**
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* @var String $conversationsUsersTable Name of the conversation users table
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*/
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private $conversationsUsersTable;
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/**
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* Public constructor
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*/
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public function __construct(){
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$this->conversationsListTable = CS::get()->config->get("dbprefix")."conversations_list";
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$this->conversationsUsersTable = CS::get()->config->get("dbprefix")."conversations_users";
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}
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/**
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* Get the conversations list of a specified user
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* or get informations of a specific conversation
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*
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* @param Integer $userID The ID of the user to get the list
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* @param Integer $conversationID Optionnal, the ID of conversation to get informatios from
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* @return Mixed Array in case of result / False else
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*/
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public function getList($userID, $conversationID = 0){
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//Prepare database request
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$tablesName = $this->conversationsListTable.", ".$this->conversationsUsersTable;
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//Prepare conditions
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$tableJoinCondition = $this->conversationsListTable.".ID = ".$this->conversationsUsersTable.".ID_".$this->conversationsListTable."";
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$userCondition = $this->conversationsUsersTable.".ID_utilisateurs = ?";
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$orderResults = "ORDER BY ".$this->conversationsListTable.".last_active DESC";
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//Specify conditions values
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$conditionsValues = array($userID);
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//Check if we have to get informations about just one conversation
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if($conversationID != 0){
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$specificConditions = "AND ".$this->conversationsListTable.".ID = ?";
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$conditionsValues[] = $conversationID;
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}
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else
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$specificConditions = ""; //Nothing now
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//Compile conditions
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$conditions = "WHERE ".$tableJoinCondition." AND (".$userCondition.") ".$specificConditions." ".$orderResults;
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//Fields list
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$requiredFields = array(
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$this->conversationsListTable.".ID",
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$this->conversationsListTable.".last_active",
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$this->conversationsListTable.".name",
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$this->conversationsListTable.".ID_utilisateurs AS ID_owner",
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$this->conversationsUsersTable.".following",
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$this->conversationsUsersTable.".saw_last_message",
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);
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//Perform database request
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$results = CS::get()->db->select($tablesName, $conditions, $conditionsValues, $requiredFields);
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//Check for errors
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if($results === false)
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return false; //An error occurred
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//Process results
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$conversationsList = array();
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foreach($results as $processConversation){
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$conversationsList[] = array(
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"ID" => $processConversation["ID"],
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"ID_owner" => $processConversation["ID_owner"],
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"last_active" => $processConversation["last_active"],
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"name" => ($processConversation["name"] == "" ? false : $processConversation["name"]),
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"following" => $processConversation["following"],
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"saw_last_message" => $processConversation["saw_last_message"],
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//Get and add conversation members
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"members" => $this->getConversationMembers($processConversation["ID"]),
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);
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}
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//Return results
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return $conversationsList;
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}
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/**
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* Get a conversation members
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*
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* @param Integer $conversationID The ID of the conversation
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* @return Array A list of the conversation members (empty arary may means that an error occured)
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*/
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public function getConversationMembers($conversationID) : array {
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//Perform a request on the database
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$tableName = $this->conversationsUsersTable;
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$conditions = "WHERE ID_".$this->conversationsListTable." = ?";
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$conditionsValues = array($conversationID*1);
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$getFields = array("ID_utilisateurs as userID");
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//Perform the request
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$results = CS::get()->db->select($tableName, $conditions, $conditionsValues, $getFields);
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if($results === false)
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return array(); //An error occured
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//Process results
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$membersList = array();
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foreach($results as $processUser)
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$membersList[] = $processUser["userID"];
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//Return result
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return $membersList;
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}
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/**
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* Create a new conversation
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*
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* @param Integer $userID The ID of the user creating the conversation
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* @param Boolean $follow Defines if the user creating the conversation will follow it
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* @param Array $usersList The list of users following the conversation
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* @param Mixed $name Optionnal, the name of the conversation
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* @return Integer 0 for a fail else the ID of the newly created conversation
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*/
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public function create($userID, $follow, array $usersList, $name = ""){
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$mainInformations = array(
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"ID_utilisateurs" => $userID*1,
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"name" => ($name ? $name : ""),
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"last_active" => time(),
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"creation_time" => time()
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);
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//First, insert the conversation in the main table
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if(!CS::get()->db->addLine($this->conversationsListTable, $mainInformations))
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return 0; //An error occured
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//Get the last inserted ID
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$conversationID = CS::get()->db->getLastInsertedID();
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//Check for errors
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if($conversationID == 0)
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return 0;
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//Insert users registrattions
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foreach($usersList as $processUser){
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//Make user follow the conversation if required
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$processUserFollowing = false;
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if($userID == $processUser)
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$processUserFollowing = $follow;
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//Try to insert user in conversation
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if(!$this->addMember($conversationID, $processUser, $processUserFollowing))
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return 0; //Error
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}
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//Conversation creation is a success
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return $conversationID;
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}
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/**
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* Check if a user is a member of a conversation or not
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*
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* @param Integer $userID The ID of the user to check
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* @param Integer $conversationID The ID of the conversation to check
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* @return Boolean True if the user belongs to the conversation
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*/
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public function userBelongsTo($userID, $conversationID){
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//Prepare a request on the database
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$tableName = $this->conversationsUsersTable;
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$conditions = "WHERE ID_".$this->conversationsListTable." = ? AND ID_utilisateurs = ?";
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$values = array(
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$conversationID,
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$userID
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);
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//Peform a request on the database
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$result = CS::get()->db->count($tableName, $conditions, $values);
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//Check if request failed
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if($result === false)
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return false; // An error occured
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//Analyse result and return it
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return $result != 0;
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}
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/**
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* Change the follow state of a user on conversation
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*
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* @param Integer $userID The ID to update
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* @param Integer $conversationID The ID of the conversation
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* @param Boolean $follow Specify if the conversation is followed or not
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* @return Boolean True for a success
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*/
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public function changeFollowState($userID, $conversationID, $follow){
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//Prepare the request on the database
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$tableName = $this->conversationsUsersTable;
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$conditions = "ID_".$this->conversationsListTable." = ? AND ID_utilisateurs = ?";
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$condVals = array(
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$conversationID,
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$userID
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);
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//Defines modifications
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$modifs = array(
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"following" => $follow ? 1 : 0,
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);
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//Update the table
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if(!CS::get()->db->updateDB($tableName, $conditions, $modifs, $condVals))
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return false; //An error occured
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//Success
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return true;
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}
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/**
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* Change conversation name
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*
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* @param Integer $conversationID The ID of the conversation
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* @param String $conversationName The name of the conversation
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* @return Boolean True for a success
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*/
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public function changeName($conversationID, $conversationName){
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//Prepare database request
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$tableName = $this->conversationsListTable;
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$conditions = "ID = ?";
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$condVals = array($conversationID);
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//Changes
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$changes = array(
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"name" => $conversationName,
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);
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//Try to perform request
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if(!CS::get()->db->updateDB($tableName, $conditions, $changes, $condVals))
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return false; //An error occured
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//Success
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return true;
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}
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/**
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* Update conversation members list
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*
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* @param Integer $conversationID The ID of the conversation to update
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* @param Array $conversationMembers The new list of conversation members
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* @return Boolean True for a success
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*/
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public function updateMembers($conversationID, array $conversationMembers){
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//Get the current conversation list
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$currentMembers = $this->getConversationMembers($conversationID);
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//Determinate entries to add
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$toAdd = array_diff($conversationMembers, $currentMembers);
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//Determinate entries to remove
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$toRemove = array_diff($currentMembers, $conversationMembers);
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//Add new member
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foreach($toAdd as $processInsert){
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if(!$this->addMember($conversationID, $processInsert))
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return false; //An error occured
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}
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//Remove old members
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foreach($toRemove as $processDelete){
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if(!$this->removeMember($conversationID, $processDelete))
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return false; //An error occured
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}
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//Success
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return true;
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}
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/**
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* Add a member to the list
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*
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* @param Integer $conversationID The ID of the target conversation
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* @param Integer $userID The ID of the user to add to the conversation
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* @param Boolean $follow Optionnal, specify if the user will follow or not the conversation
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* @return Boolean True for a success
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*/
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private function addMember($conversationID, $userID, $follow = false){
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//Prepare database request
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$tableName = $this->conversationsUsersTable;
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$values = array(
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"ID_".$this->conversationsListTable => $conversationID,
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"ID_utilisateurs" => $userID,
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"time_add" => time(),
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"following" => $follow ? 1 : 0,
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"saw_last_message" => 1
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);
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//Try to perform request
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return CS::get()->db->addLine($tableName, $values);
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}
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/**
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* Remove a member from the list
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*
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* @param Integer $conversationID The ID of the target conversation
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* @param Integer $userID The ID of the user to remove from the conversation
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* @return Boolean True for a success
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*/
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private function removeMember($conversationID, $userID){
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//Prepare database request
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$tableName = $this->conversationsUsersTable;
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$conditions = "ID_".$this->conversationsListTable." = ? AND ID_utilisateurs = ?";
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$values = array(
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$conversationID,
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$userID
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);
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//Try to perform request
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return CS::get()->db->deleteEntry($tableName, $conditions, $values);
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}
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/**
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* Check if a user is a conversation moderator or not
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*
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* @param Integer $userID The ID of the user to check
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* @param Integer $conversationID The ID of the conversation to check
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* @return Boolean True if the user is a conversation moderator / false else
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*/
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public function userIsModerator($userID, $conversationID){
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//Prepare database request
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$tableName = $this->conversationsListTable;
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$conditions = "WHERE ID = ?";
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$values = array($conversationID);
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$requiredFields = array(
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"ID_utilisateurs"
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);
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//Peform a request on the database
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$results = CS::get()->db->select($tableName, $conditions, $values, $requiredFields);
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//Check for errors
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if($results === false)
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return false; // An error occured
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//Check if there was results
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if(count($results) === 0)
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return false;
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//Check the first result only
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return $results[0]["ID_utilisateurs"] == $userID;
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}
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/**
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* Search for a private conversation between two users
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*
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* @param Integer $user1 The first user
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* @param Integer $user2 The second user
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* @return Array The list of private conversations
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*/
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public function findPrivate($user1, $user2) : array{
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//Prepare database request
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$tableName = $this->conversationsUsersTable." AS table1 JOIN ".
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$this->conversationsUsersTable." AS table2";
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//Prepare conditions
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$joinCondition = "table1.ID_".$this->conversationsListTable." = table2.ID_".$this->conversationsListTable;
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$whereConditions = "table1.ID_utilisateurs = ? OR table1.ID_utilisateurs = ?";
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$groupCondition = "table1.ID_".$this->conversationsListTable." having count(*) = 4";
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//Conditions values
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$condValues = array($user1, $user2);
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//Required fields
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$requiredFields = array(
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"table1.ID_".$this->conversationsListTable." as conversationID",
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);
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//Build conditions
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$conditions = "ON ".$joinCondition." WHERE ".$whereConditions." GROUP BY ".$groupCondition;
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//Try to perform request
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$results = CS::get()->db->select($tableName, $conditions, $condValues, $requiredFields);
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//Check for errors
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if($results === false)
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return false;
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//Prepare return
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$conversationsID = array();
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foreach($results as $processConversation)
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$conversationsID[] = $processConversation["conversationID"];
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//Return result
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return $conversationsID;
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}
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}
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//Register component
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Components::register("conversations", new conversations()); |