Initial commit: Laravel GPS API scaffolding

app/Http/Controllers/GpsController.php

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+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\GpsPoint;
+use Illuminate\Http\Request;
+use Illuminate\Validation\Rule;
+use Illuminate\Support\Carbon;
+
+class GpsController extends Controller
+{
+    // POST /api/gps
+    public function store(Request $req)
+    {
+        $data = $req->validate([
+            'device_id'   => ['required','string','max:64'],
+            'lat'         => ['required','numeric','between:-90,90'],
+            'lng'         => ['required','numeric','between:-180,180'],
+            'speed'       => ['nullable','numeric'],
+            'altitude'    => ['nullable','numeric'],
+            'heading'     => ['nullable','integer','between:0,359'],
+            'recorded_at' => ['nullable','date'], // ISO8601 preferred
+            'meta'        => ['nullable'],
+        ]);
+
+        $data['recorded_at'] = isset($data['recorded_at'])
+            ? Carbon::parse($data['recorded_at'])
+            : now();
+
+        $point = GpsPoint::create($data);
+
+        return response()->json(['id' => $point->id], 201);
+    }
+
+    // GET /api/gps/latest?device_id=abc
+    public function latest(Request $req)
+    {
+        $req->validate(['device_id' => ['required','string']]);
+
+        $point = GpsPoint::where('device_id', $req->device_id)
+            ->orderByDesc('recorded_at')
+            ->orderByDesc('id')
+            ->first();
+
+        if (!$point) {
+            return response()->json(['message' => 'Not found'], 404);
+        }
+
+        return response()->json($point);
+    }
+
+    // GET /api/gps/track?device_id=abc&since=2025-08-28T00:00:00Z&until=2025-08-28T23:59:59Z
+    public function track(Request $req)
+    {
+        $req->validate([
+            'device_id' => ['required','string'],
+            'since' => ['nullable','date'],
+            'until' => ['nullable','date'],
+            'limit' => ['nullable','integer','between:1,10000'],
+        ]);
+
+        $q = GpsPoint::where('device_id', $req->device_id);
+
+        if ($req->since) $q->where('recorded_at', '>=', $req->since);
+        if ($req->until) $q->where('recorded_at', '<=', $req->until);
+
+        $limit = $req->input('limit', 1000);
+
+        return response()->json(
+            $q->orderBy('recorded_at')->orderBy('id')->limit($limit)->get()
+        );
+    }
+}

app/Models/GpsPoint.php

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+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class GpsPoint extends Model
+{
+    protected $fillable = [
+        'device_id', 'lat', 'lng', 'speed', 'altitude', 'heading',
+        'recorded_at', 'meta',
+    ];
+
+    protected $casts = [
+        'recorded_at' => 'datetime',
+        'meta' => 'array',
+        'lat' => 'float',
+        'lng' => 'float',
+        'speed' => 'float',
+        'altitude' => 'float',
+        'heading' => 'integer',
+    ];
+}

database/migrations/2025_08_28_000000_create_gps_points_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    public function up(): void
+    {
+        Schema::create('gps_points', function (Blueprint $table) {
+            $table->id();
+            $table->string('device_id', 64)->index();
+            $table->decimal('lat', 10, 7);
+            $table->decimal('lng', 10, 7);
+            $table->decimal('speed', 8, 2)->nullable();    // km/h or m/s
+            $table->decimal('altitude', 8, 2)->nullable(); // meters
+            $table->unsignedInteger('heading')->nullable(); // degrees
+            $table->timestamp('recorded_at')->index();     // when device recorded it
+            $table->json('meta')->nullable();              // any extra fields
+            $table->timestamps();                          // created_at, updated_at
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('gps_points');
+    }
+};

routes/api.php

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+use Illuminate\Support\Facades\Route;
+use App\Http\Controllers\GpsController;
+
+Route::post('/gps', [GpsController::class, 'store']);
+Route::get('/gps/latest', [GpsController::class, 'latest']);
+Route::get('/gps/track', [GpsController::class, 'track']);