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102 lines
3.2 KiB
102 lines
3.2 KiB
<?php
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namespace Gateway;
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use Gateway\Connection;
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use PDO;
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class QuestionGateway extends Gateway
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{
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public function create(int $id_question, string $question, string $answerA, string $answerB, string $answerC, string $answerD, string $cAnswer): bool
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{
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$query = "
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INSERT INTO Question
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VALUES (:id_q, :question, :answerA, :answerB, :answerC, :answerD, :cAnswer)
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";
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return $this -> co -> executeQuery($query, [
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array('id_q' => $id_question, PDO::PARAM_INT),
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array('question' => $question, PDO::PARAM_STR),
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array('answerA' => $answerA, PDO::PARAM_STR),
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array('answerB' => $answerB, PDO::PARAM_STR),
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array('answerC' => $answerC, PDO::PARAM_STR),
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array('answerD' => $answerD, PDO::PARAM_STR),
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array('cAnswer' => $cAnswer, PDO::PARAM_STR),
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]);
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}
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public function findById(int $id) : array
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{
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$query = "SELECT * FROM Question WHERE id_question = :id_q";
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$this -> co -> executeQuery($query, ['id_q' => array($id, PDO::PARAM_INT)]);
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return $this -> co -> getResults();
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}
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public function updateText(int $id_q, string $newQuestion) : bool
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{
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$query = "
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UPDATE Question
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SET question = :question
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WHERE id_question = :id_q
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";
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return $this -> co -> executeQuery($query, [
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'id_q' => array($id_q, PDO::PARAM_INT),
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'question' => array($newQuestion, PDO::PARAM_STR)
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]);
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}
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public function updateAnswers(int $id_q, string $newA, string $newB, string $newC, string $newD, string $newCorrect): bool
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{
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$query = "
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UPDATE Question
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SET answerA = :answerA, answerB = :answerB,
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answerC = :answerC, answerD = :answerD, cAnswer = :cAnswer
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WHERE id_question = :id_q
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";
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return $this -> co -> executeQuery($query, [
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'id_q' => array($id_q, PDO::PARAM_INT),
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'answerA' => array($newA, PDO::PARAM_STR),
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'answerB' => array($newB, PDO::PARAM_STR),
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'answerC' => array($newC, PDO::PARAM_STR),
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'answerD' => array($newD, PDO::PARAM_STR),
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'cAnswer' => array($newCorrect, PDO::PARAM_STR)
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]);
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}
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/**
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* Deletes a question from the database by its ID
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*
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* @param int $id The ID of the question
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* @return bool
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*/
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public function delete(int $id) : bool
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{
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$query = "DELETE FROM Question WHERE id_question = :id_q";
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return $this -> co -> executeQuery($query, ['id_q' => array($id, PDO::PARAM_INT)]);
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}
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/**
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* Retrieves all quizzes from the database
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*
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* @return QuestionEntity[] An array of `Question` objects
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*/
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public function findAll() : array
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{
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$query = "SELECT * FROM Question";
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$this -> co -> executeQuery($query);
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return $this -> co -> getResults();
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}
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public function findRdmQuestion() : array
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{
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$query = "SELECT * FROM Question ORDER BY RANDOM() LIMIT 1";
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$this -> co -> executeQuery($query);
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return $this -> co -> getResults();
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}
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}
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