136 lines
4.0 KiB
PHP
136 lines
4.0 KiB
PHP
<?php
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/**
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* NoteModel
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* This is basically a simple CRUD (Create/Read/Update/Delete) demonstration.
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*/
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class NoteModel
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{
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/**
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* Get all notes (notes are just example data that the user has created)
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* @return array an array with several objects (the results)
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*/
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public static function getAllNotes()
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{
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$database = DatabaseFactory::getFactory()->getConnection();
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$sql = "SELECT note_id, note_text, note_timestamp FROM notes WHERE user_id = :user_id ORDER BY note_timestamp DESC";
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$query = $database->prepare($sql);
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$query->execute(array(':user_id' => Session::get('user_id')));
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// fetchAll() is the PDO method that gets all result rows
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$notes = $query->fetchAll();
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// Add markdown HTML to each note
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require_once __DIR__ . '/../libs/SimpleMarkdown.php';
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foreach ($notes as &$note) {
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$note->note_html = SimpleMarkdown::parse($note->note_text);
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}
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return $notes;
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}
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/**
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* Get a single note
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* @param int $note_id id of the specific note
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* @return object a single object (the result)
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*/
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public static function getNote($note_id)
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{
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$database = DatabaseFactory::getFactory()->getConnection();
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$sql = "SELECT note_id, note_text, note_timestamp FROM notes WHERE user_id = :user_id AND note_id = :note_id LIMIT 1";
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$query = $database->prepare($sql);
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$query->execute(array(':user_id' => Session::get('user_id'), ':note_id' => $note_id));
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$result = $query->fetch();
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// Add markdown HTML
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if ($result) {
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require_once __DIR__ . '/../libs/SimpleMarkdown.php';
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$result->note_html = SimpleMarkdown::parse($result->note_text);
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}
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return $result ? $result : null;
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}
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/**
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* Set a note (create a new one)
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* @param string $note_text note text that will be created
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* @return bool feedback (was the note created properly ?)
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*/
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public static function createNote($note_text)
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{
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if (!$note_text || strlen($note_text) == 0) {
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Session::add('feedback_negative', Text::get('FEEDBACK_NOTE_CREATION_FAILED'));
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return false;
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}
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$database = DatabaseFactory::getFactory()->getConnection();
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$sql = "INSERT INTO notes (note_text, user_id) VALUES (:note_text, :user_id)";
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$query = $database->prepare($sql);
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$query->execute(array(':note_text' => $note_text, ':user_id' => Session::get('user_id')));
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if ($query->rowCount() == 1) {
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return true;
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}
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// default return
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Session::add('feedback_negative', Text::get('FEEDBACK_NOTE_CREATION_FAILED'));
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return false;
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}
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/**
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* Update an existing note
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* @param int $note_id id of the specific note
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* @param string $note_text new text of the specific note
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* @return bool feedback (was the update successful ?)
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*/
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public static function updateNote($note_id, $note_text)
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{
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if (!$note_id || !$note_text) {
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return false;
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}
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$database = DatabaseFactory::getFactory()->getConnection();
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$sql = "UPDATE notes SET note_text = :note_text WHERE note_id = :note_id AND user_id = :user_id LIMIT 1";
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$query = $database->prepare($sql);
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$query->execute(array(':note_id' => $note_id, ':note_text' => $note_text, ':user_id' => Session::get('user_id')));
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if ($query->rowCount() == 1) {
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return true;
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}
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Session::add('feedback_negative', Text::get('FEEDBACK_NOTE_EDITING_FAILED'));
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return false;
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}
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/**
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* Delete a specific note
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* @param int $note_id id of the note
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* @return bool feedback (was the note deleted properly ?)
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*/
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public static function deleteNote($note_id)
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{
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if (!$note_id) {
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return false;
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}
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$database = DatabaseFactory::getFactory()->getConnection();
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$sql = "DELETE FROM notes WHERE note_id = :note_id AND user_id = :user_id LIMIT 1";
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$query = $database->prepare($sql);
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$query->execute(array(':note_id' => $note_id, ':user_id' => Session::get('user_id')));
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if ($query->rowCount() == 1) {
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return true;
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}
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// default return
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Session::add('feedback_negative', Text::get('FEEDBACK_NOTE_DELETION_FAILED'));
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return false;
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}
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}
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