MAPG-235 updated structure and created models

src/Repository/ChallengeRepository.php

@@ -0,0 +1,51 @@
+<?php namespace MapGuesser\Repository;
+
+use Generator;
+use MapGuesser\Database\Query\Select;
+use MapGuesser\PersistentData\Model\Challenge;
+use MapGuesser\PersistentData\Model\User;
+use MapGuesser\PersistentData\PersistentDataManager;
+
+class ChallengeRepository
+{
+    private PersistentDataManager $pdm;
+
+    public function __construct()
+    {
+        $this->pdm = new PersistentDataManager();
+    }
+
+    public function getById(int $challengeId): ?Challenge
+    {
+        return $this->pdm->selectFromDbById($challengeId, Challenge::class);
+    }
+
+    public function getByToken(int $token): ?Challenge
+    {
+        $select = new Select(\Container::$dbConnection);
+        $select->where('token', '=', $token);
+        
+        return $this->pdm->selectFromDb($select, Challenge::class);
+    }
+
+    public function getAllByParticipant(User $user): Generator
+    {
+        $select = new Select(\Container::$dbConnection);
+        $select->innerJoin('user_in_challenge', ['challenge', 'id'], '=', ['user_in_challenge', 'challenge_id']);
+        $select->innerJoin('users', ['users', 'id'], '=', ['user_in_challenge', 'user_id']);
+        $select->where('user_id', '=', $user->getId());
+
+        yield from $this->pdm->selectMultipleFromDb($select, Challenge::class);
+    }
+
+    public function getAllByOwner(User $user): Generator
+    {
+        $select = new Select(\Container::$dbConnection);
+        $select->innerJoin('user_in_challenge', ['challenge', 'id'], '=', ['user_in_challenge', 'challenge_id']);
+        $select->innerJoin('users', ['users', 'id'], '=', ['user_in_challenge', 'user_id']);
+        $select->where('user_id', '=', $user->getId());
+        $select->where('is_owner', '=', true);
+
+        yield from $this->pdm->selectMultipleFromDb($select, Challenge::class);
+    }
+}