mirror of
https://github.com/pierre42100/ComunicAPI
synced 2024-11-27 15:59:29 +00:00
135 lines
3.0 KiB
PHP
135 lines
3.0 KiB
PHP
<?php
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/**
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* Likes class
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*
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* @author Pierre HUBERT
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*/
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class Likes {
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/**
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* Database table name
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*/
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const LIKES_TABLE = "aime";
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/**
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* Kind of likes
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*/
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const LIKE_USER = "user";
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const LIKE_POST = "post";
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const LIKE_COMMENT = "comment";
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/**
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* Translation of the kinds of like for the database
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*/
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const KINDS_DB = array(
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Likes::LIKE_USER => "page",
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Likes::LIKE_POST => "texte",
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Likes::LIKE_COMMENT => "commentaire"
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);
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/**
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* Count the number of likes for a specific component
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*
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* @param int $id The ID of the component to count
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* @param string $kind The kind of the component
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* @return int The number of likes of the components
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*/
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public function count(int $id, string $kind) : int {
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//Perform a database request
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return CS::get()->db->count(
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$this::LIKES_TABLE,
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"WHERE ID_type = ? AND type = ?",
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array($id, $this::KINDS_DB[$kind])
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);
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}
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/**
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* Check whether user likes or not somethind
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*
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* @param int $userID The ID of the user
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* @param int $id The ID of the thing to check
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* @param string $kind The kind of the thing to check
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* @return bool True if the user likes / false else
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*/
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public function is_liking(int $userID, int $id, string $kind) : bool {
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//User "0" does not like content
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if($userID == 0)
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return false;
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//Perform check on database
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return CS::get()->db->count(
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$this::LIKES_TABLE,
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"WHERE ID_type = ? AND type = ? AND ID_personne = ?",
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array($id, $this::KINDS_DB[$kind], $userID)
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) == 1;
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}
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/**
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* Update like status
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*
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* @param int $userID The ID of the user
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* @param bool $like New like status
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* @param int $id The ID of the component element to update
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* @param string $kind The kind of component
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*/
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public function update(int $userID, bool $like, int $id, string $kind){
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//Check if the request is not to like anymore
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if(!$like){
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//Delete on the database
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$conditions = "ID_personne = ? AND ID_type = ? AND type = ?";
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$values = array($userID, $id, $this::KINDS_DB[$kind]);
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CS::get()->db->deleteEntry($this::LIKES_TABLE, $conditions, $values);
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}
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//We have to like component
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else {
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//Check if user is already liking component
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if($this->is_liking($userID, $id, $kind))
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return; //Nothing to be done
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//Insert in the database
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$values = array(
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"ID_type" => $id,
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"ID_personne" => $userID,
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"Date_envoi" => mysql_date(),
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"type" => $this::KINDS_DB[$kind]
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);
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//Insert in the database
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CS::get()->db->addLine($this::LIKES_TABLE, $values);
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}
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}
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/**
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* Delete all the likes associated to an element
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*
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* @param int $id The ID of element to update
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* @param string $kind The kind of the component
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* @return bool TRUE for a success and FALSE for a failure
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*/
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public function delete_all(int $id, string $kind) : bool {
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//Delete on the database
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return CS::get()->db->deleteEntry(
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$this::LIKES_TABLE,
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"ID_type = ? AND type = ?",
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array($id, $this::KINDS_DB[$kind])
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);
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}
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}
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//Register class
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Components::register("likes", new Likes()); |