Add Symfony payload mapping, fixtures, and QA tooling

server/src/Entity/Signal.php

@@ -0,0 +1,87 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Entity;
+
+use App\Repository\SignalRepository;
+use DateTimeImmutable;
+use Doctrine\DBAL\Types\Types;
+use Doctrine\ORM\Mapping as ORM;
+
+#[ORM\Entity(repositoryClass: SignalRepository::class)]
+#[ORM\Table(name: 'signals')]
+#[ORM\Index(columns: ['created_at'], name: 'idx_signals_created_at')]
+#[ORM\Index(columns: ['user_key'], name: 'idx_signals_user_key')]
+class Signal
+{
+    #[ORM\Id]
+    #[ORM\GeneratedValue]
+    #[ORM\Column(type: Types::INTEGER)]
+    private ?int $id = null; // @phpstan-ignore property.unusedType
+
+    #[ORM\Column(type: Types::STRING, length: 64)]
+    private string $userKey;
+
+    #[ORM\Column(type: Types::FLOAT)]
+    private float $lat;
+
+    #[ORM\Column(type: Types::FLOAT)]
+    private float $lng;
+
+    #[ORM\Column(type: Types::DATETIME_IMMUTABLE, name: 'created_at')]
+    private DateTimeImmutable $createdAt;
+
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    public function getUserKey(): string
+    {
+        return $this->userKey;
+    }
+
+    public function setUserKey(string $userKey): self
+    {
+        $this->userKey = $userKey;
+
+        return $this;
+    }
+
+    public function getLat(): float
+    {
+        return $this->lat;
+    }
+
+    public function setLat(float $lat): self
+    {
+        $this->lat = $lat;
+
+        return $this;
+    }
+
+    public function getLng(): float
+    {
+        return $this->lng;
+    }
+
+    public function setLng(float $lng): self
+    {
+        $this->lng = $lng;
+
+        return $this;
+    }
+
+    public function getCreatedAt(): DateTimeImmutable
+    {
+        return $this->createdAt;
+    }
+
+    public function setCreatedAt(DateTimeImmutable $createdAt): self
+    {
+        $this->createdAt = $createdAt;
+
+        return $this;
+    }
+}