Flashcard step 3 (Others)

App\Entity\Flashcard.php

<?php
// ..
use Symfony\Component\Serializer\Annotation\Groups;

/**
 * @ApiResource(
 *     normalizationContext={"groups"={"flashcardList"}},
 *     denormalizationContext={"groups"={"flashcardCreate"}}
 * )
 * ...
 */
class Flashcard
{
    /**
     * ...
     * @Groups({"flashcardList"})
     */
    private $id;

    /**
     * ...
     * @Groups({"flashcardList", "flashcardCreate"})
     */
    public $question;

    /**
     * ...
     * @Groups({"flashcardList", "flashcardCreate"})
     */
    public $answer;

    /**
     * ...
     * @Groups({"flashcardCreate"})
     */
    public $lesson;

    // ...
}

App\Entity\Lesson.php

<?php

// ...
use Symfony\Component\Serializer\Annotation\Groups;

/**
 * @ApiResource(
 *     normalizationContext={"groups"={"lessonList"}},
 *     denormalizationContext={"groups"={"lessonCreate"}}
 * )
 * ...
 */
class Lesson
{
    /**
     * ...
     * @Groups({"lessonList"})
     */
    private $id;

    /**
     * ...
     * @Groups({"lessonList", "lessonCreate"})
     */
    public $name;

    /**
     * ...
     * @Groups({"lessonCreate"})
     */
    public $subject;

    // ...
}

App\Entity\User.php

<?php

// ...

use Symfony\Component\Serializer\Annotation\Groups;

/**
 * @ApiResource(
 *     normalizationContext={"groups"={"userList"}},
 *     denormalizationContext={"groups"={"userCreate"}}
 * )
 * ...
 */
class User implements UserInterface
{
    /**
     * ...
     * @Groups({"userList"})
     */
    private $id;

    /**
     * ...
     * @Groups({"userList", "userCreate"})
     */
    public $name;

    /**
     * ...
     * @Groups({"userCreate"})
     */
    public $plainPassword;

   // ...
}