mirror of
https://github.com/pierre42100/ComunicAPI
synced 2024-11-24 06:19:29 +00:00
269 lines
6.9 KiB
PHP
269 lines
6.9 KiB
PHP
<?php
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/**
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* Comments component class
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*
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* @author Pierre HUBERT
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*/
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class Comments {
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/**
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* Comments table
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*/
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const COMMENTS_TABLE = "commentaires";
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/**
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* Create a comment
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*
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* @param Comment $comment Information about the comment to create
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* @return int The ID of the created comment or 0 in case of failure
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*/
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public function create(Comment $comment) : int {
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//Generate data set
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$data = array(
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"ID_texte" => $comment->get_postID(),
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"ID_personne" => $comment->get_userID(),
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"date_envoi" => mysql_date(),
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"commentaire" => $comment->has_content() ? $comment->get_content() : "",
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"image_commentaire" => $comment->has_img_path() ? "file:".$comment->get_img_path() : ""
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);
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//Insert it in the database
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if(!CS::get()->db->addLine($this::COMMENTS_TABLE, $data))
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return 0;
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//Get the ID of the last inserted comment and return it
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return CS::get()->db->getLastInsertedID();
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}
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/**
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* Fetch the comments of a post
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*
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* @param int $postID The ID of the post
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* @param bool $load_comments Specify whether the comments should be
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* loaded or not (default to true)
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* @return array The list of comments of the post (as Comment objects)
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*/
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public function get(int $postID, bool $load_comments = true) : array {
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//Perform a request on the database
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$conditions = "WHERE ID_texte = ? ORDER BY ID";
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$condValues = array($postID);
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//Fetch the messages on the database
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$result = CS::get()->db->select($this::COMMENTS_TABLE, $conditions, $condValues);
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//Process comments list
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$comments = array();
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foreach($result as $entry){
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$comments[] = $this->dbToComment($entry, $load_comments);
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}
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return $comments;
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}
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/**
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* Get a single comment informations
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*
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* @param int $commentID The ID of the comment to get
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* @param bool $include_likes Specify if likes has to be loaded
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* @return Comment Information about the comment (invalid comment in case of failure)
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*/
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public function get_single(int $commentID, bool $include_likes = false) : Comment {
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//Perform a request on the database
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$conditions = "WHERE ID = ?";
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$values = array($commentID);
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//Fetch the comment on the database
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$result = CS::get()->db->select($this::COMMENTS_TABLE, $conditions, $values);
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//Check for results
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if(count($result) == 0)
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return new Comment();
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//Return result
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return $this->dbToComment($result[0], $include_likes);
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}
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/**
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* Delete all the comments associated to a post
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*
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* @param int $postID The ID of the target post
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* @return bool TRUE in case of success / FALSE else
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*/
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public function delete_all(int $postID) : bool {
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//Get the list of comments for the post
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$comments = $this->get($postID, FALSE);
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foreach($comments as $comment){
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//Delete the comment
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if(!$this->process_delete($comment))
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return false;
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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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* Delete a single comment
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*
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* @param int $commentID The ID of the comment to delete
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* @return bool TRUE for a success / FALSE else
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*/
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public function delete(int $commentID) : bool {
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//Get informations about the comment
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$commentInfos = $this->get_single($commentID, false);
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//Check for errors
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if(!$commentInfos->isValid())
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return false;
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//Process deletion
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return $this->process_delete($commentInfos);
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}
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/**
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* Process comment deletion
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*
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* @param Comment $commentInfos Informations about the comment to delete
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* @return bool TRUE for a success / FALSE else
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*/
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private function process_delete(Comment $commentInfos) : bool {
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//Get comment ID
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$commentID = $commentInfos->get_id();
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//Check if an image is associated to the comment
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if($commentInfos->has_img_path()){
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$image_path = path_user_data($commentInfos->get_img_path(), true);
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//Delete the image if it exists
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if(file_exists($image_path))
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unlink($image_path);
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}
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//Delete the likes associated to the comments
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if(!components()->likes->delete_all($commentID, Likes::LIKE_COMMENT))
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return false;
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//Delete the comment
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if(!CS::get()->db->deleteEntry($this::COMMENTS_TABLE, "ID = ?", array($commentID)))
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return false;
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//Success
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return true;
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}
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/**
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* Check if a comment exists or not
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*
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* @param int $commentID The ID of the comment to check
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* @return bool
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*/
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public function exists(int $commentID) : bool {
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return CS::get()->db->count($this::COMMENTS_TABLE, "WHERE ID = ?", array($commentID)) > 0;
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}
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/**
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* Edit a comment content
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*
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* @param int $commentID The ID of the comment to update
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* @param string $content The new content for the comment
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* @return bool TRUE for a success / FALSE else
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*/
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public function edit(int $commentID, string $content) : bool {
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//Perform a request on the database
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$newValues = array(
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"commentaire" => $content
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);
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//Try to perform request
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return CS::get()->db->updateDB(
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$this::COMMENTS_TABLE,
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"ID = ?",
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$newValues,
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array($commentID));
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}
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/**
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* Get the ID of the post associated to a comment
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*
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* @param int $commentID The ID of the comment
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* @return int The ID of the associated post / 0 in case of failure
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*/
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public function getAssociatedPost(int $commentID) : int {
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//Get a single comment informations
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$comment = $this->get_single($commentID);
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//Check if we have got the required information and return it
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return $comment->has_postID() ? $comment->get_postID() : 0;
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}
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/**
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* Check if a user is the owner of a comment or not
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*
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* @param int $userID The ID of the user to check
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* @param int $commentID The ID of the comment to check
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* @return bool TRUE if the user is the owner of the post / FALSE else
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*/
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public function is_owner(int $userID, int $commentID) : bool {
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return CS::get()->db->count(
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$this::COMMENTS_TABLE,
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"WHERE ID = ? AND ID_personne = ?",
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array($commentID, $userID)
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) > 0;
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}
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/**
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* Turn a comment database entry into a Comment object
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*
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* @param array $data Database entry
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* @param bool $load_likes Specify if the likes have to be loaded or not
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* @return Comment Generated comment object
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*/
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private function dbToComment(array $data, bool $load_likes = true) : Comment {
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$comment = new Comment();
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$comment->set_id($data["ID"]);
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$comment->set_userID($data["ID_personne"]);
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$comment->set_postID($data["ID_texte"]);
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$comment->set_time_sent(strtotime($data["date_envoi"]));
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$comment->set_content($data["commentaire"]);
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//Check for image
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if($data["image_commentaire"] != ""){
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$comment->set_img_path(str_replace("file:", "", $data["image_commentaire"]));
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$comment->set_img_url(path_user_data($comment->get_img_path(), false));
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}
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if($load_likes){
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//Get informations about likes
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$comment->set_likes(CS::get()->components->likes->count($comment->get_id(), Likes::LIKE_COMMENT));
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$comment->set_userLike(user_signed_in() ? CS::get()->components->likes->is_liking(userID, $comment->get_id(), Likes::LIKE_COMMENT) : false);
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}
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return $comment;
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}
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}
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//Register class
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Components::register("comments", new Comments()); |