From a319f3a419790925bed539ba141038c72a83e70f Mon Sep 17 00:00:00 2001
From: Daniel Weipert <code@drogueronin.de>
Date: Mon, 10 Jan 2022 20:29:04 +0100
Subject: Initial commit

---
 src/AppException.php    |  7 ++++
 src/Controller/Card.php | 31 ++++++++++++++++++
 src/Controller/Home.php | 22 +++++++++++++
 src/DB.php              | 55 +++++++++++++++++++++++++++++++
 src/Model/Card.php      | 87 +++++++++++++++++++++++++++++++++++++++++++++++++
 src/Model/CardMeta.php  | 57 ++++++++++++++++++++++++++++++++
 src/Router.php          | 70 +++++++++++++++++++++++++++++++++++++++
 src/Template.php        | 23 +++++++++++++
 8 files changed, 352 insertions(+)
 create mode 100644 src/AppException.php
 create mode 100644 src/Controller/Card.php
 create mode 100644 src/Controller/Home.php
 create mode 100644 src/DB.php
 create mode 100644 src/Model/Card.php
 create mode 100644 src/Model/CardMeta.php
 create mode 100644 src/Router.php
 create mode 100644 src/Template.php

(limited to 'src')

diff --git a/src/AppException.php b/src/AppException.php
new file mode 100644
index 0000000..d7949a3
--- /dev/null
+++ b/src/AppException.php
@@ -0,0 +1,7 @@
+<?php
+
+namespace Elements;
+
+class AppException extends \Exception
+{}
+
diff --git a/src/Controller/Card.php b/src/Controller/Card.php
new file mode 100644
index 0000000..39560bb
--- /dev/null
+++ b/src/Controller/Card.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Elements\Controller;
+
+use Elements\DB;
+use Elements\Model\Card as CardModel;
+use Elements\Model\CardMeta;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class Card
+{
+  public static function add(Request $request)
+  {
+    $card = new CardModel();
+
+    foreach ($request->get('meta') as $key => $value) {
+      $meta = new CardMeta($key, $value);
+      $card->addMeta($meta);
+      DB::save($meta);
+    }
+
+    DB::save($card);
+
+    $response = new RedirectResponse('/');
+
+    return $response;
+  }
+}
+
diff --git a/src/Controller/Home.php b/src/Controller/Home.php
new file mode 100644
index 0000000..511b89b
--- /dev/null
+++ b/src/Controller/Home.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Elements\Controller;
+
+use Elements\DB;
+use Elements\Model\Card;
+use Elements\Template;
+
+class Home
+{
+  public static function index()
+  {
+    $c = DB::$entityManager->getRepository(Card::class)->findOneBy([], ['id' => 'DESC']);
+    echo "<pre>";
+    $c && var_dump(
+      array_map(fn ($item) => [$item->key, $item->value], $c->meta->toArray()),
+    );
+
+    return Template::render('home.twig');
+  }
+}
+
diff --git a/src/DB.php b/src/DB.php
new file mode 100644
index 0000000..c04d189
--- /dev/null
+++ b/src/DB.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace Elements;
+
+use Doctrine\ORM\Cache;
+use Doctrine\ORM\EntityManager;
+use Doctrine\ORM\Mapping\Driver\AttributeDriver;
+use Doctrine\ORM\Tools\Setup;
+
+class DB
+{
+  public static EntityManager $entityManager;
+
+  /**
+   * DB constructor.
+   */
+  public static function init()
+  {
+    $isDevMode = true;
+    $proxyDir = null;
+    $cache = null;
+    $config = Setup::createConfiguration($isDevMode, $proxyDir, $cache);
+    $config->setMetadataDriverImpl($config->newDefaultAnnotationDriver([__DIR__ . '/Model'], true));
+    #$config->setMetadataDriverImpl(new AttributeDriver([__DIR__ . '/Model']));
+
+    $conn = array(
+      'driver' => 'pdo_sqlite',
+      'path' => dirname(__DIR__) . '/db.sqlite',
+    );
+
+    self::$entityManager = EntityManager::create($conn, $config);
+  }
+
+  /**
+   * @param object $entity
+   * @param array $criteria
+   */
+  public static function save(object $entity, array $criteria = [])
+  {
+    $repository = self::$entityManager->getRepository(get_class($entity));
+    $exists = $repository->findOneBy($criteria);
+
+    if (! empty($criteria) && ! is_null($exists)) {
+      foreach (get_object_vars($entity) as $key => $value) {
+	$exists->$key = $value;
+      }
+    } else {
+      $exists = $entity;
+    }
+
+    self::$entityManager->persist($exists);
+    self::$entityManager->flush();
+  }
+}
+
diff --git a/src/Model/Card.php b/src/Model/Card.php
new file mode 100644
index 0000000..ab421ab
--- /dev/null
+++ b/src/Model/Card.php
@@ -0,0 +1,87 @@
+<?php
+
+namespace Elements\Model;
+
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
+use Doctrine\DBAL\Schema\Column;
+use Doctrine\DBAL\Schema\Table;
+use Doctrine\ORM\Mapping\Entity;
+use Doctrine\ORM\Mapping\GeneratedValue;
+use Doctrine\ORM\Mapping\Id;
+use Doctrine\ORM\Mapping\OneToMany;
+use Doctrine\ORM\PersistentCollection;
+use Elements\DB;
+
+#[Entity]
+#[Table(name: 'cards')]
+/**
+ * @Entity
+ * @Table(name="cards")
+ */
+class Card
+{
+  #[Id]
+  #[Column(type: 'integer')]
+  #[GeneratedValue]
+  /**
+   * @Id
+   * @Column(type="integer")
+   * @GeneratedValue
+   */
+  public int $id;
+
+  #[OneToMany(targetEntity: CardMeta::class, mappedBy: 'card')]
+  /**
+   * @OneToMany(targetEntity="CardMeta", mappedBy="card")
+   */
+  public Collection|ArrayCollection|PersistentCollection $meta;
+
+  /**
+   * Card constructor.
+   */
+  public function __construct()
+  {
+    $this->meta = new ArrayCollection();
+  }
+
+  /**
+   * @param CardMeta $meta
+   */
+  public function addMeta(CardMeta $meta)
+  {
+    $meta->card = $this;
+    $this->meta[] = $meta;
+  }
+
+  /**
+   * @param string $key
+   *
+   * @return string
+   */
+  public function getMeta(string $key): ?string
+  {
+    // if meta is already hydrated
+    if ($this->meta->isInitialized()) {
+      $meta = $this->meta->unwrap()
+	#->findFirst(fn (CardMeta $item) => $item->key === $key);
+	->filter(fn ($item) => $item->key === $key)->first();
+
+      return $meta->value ?? null;
+    }
+
+    // get directly from db otherwise
+    $result = DB::$entityManager
+      ->createQuery(
+	'SELECT cm.value
+	FROM Elements\Model\CardMeta cm
+	WHERE cm.key = :key AND cm.card = :card'
+      )
+      ->setParameter('key', $key)
+      ->setParameter('card', $this)
+      ->getOneOrNullResult();
+
+      return $result['value'] ?? null;
+  }
+}
+
diff --git a/src/Model/CardMeta.php b/src/Model/CardMeta.php
new file mode 100644
index 0000000..2ec0da9
--- /dev/null
+++ b/src/Model/CardMeta.php
@@ -0,0 +1,57 @@
+<?php
+
+namespace Elements\Model;
+
+use Doctrine\DBAL\Schema\Column;
+use Doctrine\DBAL\Schema\Table;
+use Doctrine\ORM\Mapping\Entity;
+use Doctrine\ORM\Mapping\GeneratedValue;
+use Doctrine\ORM\Mapping\Id;
+use Doctrine\ORM\Mapping\ManyToOne;
+
+#[Entity]
+#[Table(name: 'card_meta')]
+/**
+ * @Entity
+ * @Table(name="card_meta")
+ */
+class CardMeta
+{
+  #[Id]
+  #[Column(type: 'integer')]
+  #[GeneratedValue]
+  /**
+   * @Id
+   * @Column(type="integer")
+   * @GeneratedValue
+   */
+  public int $id;
+
+  #[Column(type: 'string')]
+  /**
+   * @Column(type="string")
+   */
+  public string $key;
+
+  #[Column(type: 'string')]
+  /**
+   * @Column(type="string")
+   */
+  public string $value;
+
+  #[ManyToOne(targetEntity: Card::class, inversedBy: 'meta')]
+  /**
+   * @ManyToOne(targetEntity="Card", inversedBy="meta", cascade={"persist"})
+   */
+  public Card $card;
+
+  /**
+   * CardMeta constructor.
+   */
+  public function __construct(string $key, string $value)
+  {
+    $this->key = $key;
+    $this->value = $value;
+  }
+}
+
diff --git a/src/Router.php b/src/Router.php
new file mode 100644
index 0000000..377c00b
--- /dev/null
+++ b/src/Router.php
@@ -0,0 +1,70 @@
+<?php
+
+namespace Elements;
+
+use Elements\Controller\Card;
+use Elements\Controller\Home;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class Router
+{
+  private $routes = [
+    'GET' => [
+      '/' => [Home::class, 'index'],
+    ],
+
+    'POST' => [
+      '/card/add' => [Card::class, 'add'],
+    ],
+  ];
+
+  /**
+   * Router constructor.
+   */
+  public function __construct()
+  {
+    $request = Request::createFromGlobals();
+    $response = new Response();
+
+    $method = $request->getMethod();
+    $path = $request->getPathInfo();
+
+    // if the route is defined
+    if (isset($this->routes[$method][$path])) {
+      try {
+	// run controller function
+	$content = call_user_func($this->routes[$method][$path], $request);
+
+	// set response to new response
+	if ($content instanceof Response) {
+	  $response = $content;
+	}
+
+	// set content directly otherwise
+	else {
+	  $response->setContent($content);
+	}
+      }
+
+      // catch any errors
+      catch (AppException $exception) {
+	$response->setStatusCode($exception->getCode());
+	$response->setContent($exception->getMessage());
+      } catch (\Exception $exception) {
+	$response->setStatusCode(Response::HTTP_BAD_REQUEST);
+	$response->setContent($exception->getMessage());
+      }
+    }
+
+    // route is not defined
+    else {
+      $response->setStatusCode(Response::HTTP_NOT_FOUND);
+      $response->setContent('Not Found');
+    }
+
+    $response->send();
+  }
+}
+
diff --git a/src/Template.php b/src/Template.php
new file mode 100644
index 0000000..b4360b8
--- /dev/null
+++ b/src/Template.php
@@ -0,0 +1,23 @@
+<?php
+
+namespace Elements;
+
+use Twig\Environment;
+use Twig\Loader\FilesystemLoader;
+
+class Template
+{
+  public static ?Environment $twig = null;
+
+  public static function init(): void
+  {
+    $loader = new FilesystemLoader(dirname(__DIR__) . '/templates');
+    self::$twig = new Environment($loader);
+  }
+
+  public static function render(string $name, array $context = []): string
+  {
+    return self::$twig->render($name, $context);
+  }
+}
+
-- 
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