52 lines
1.9 KiB
PHP
52 lines
1.9 KiB
PHP
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<?php
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namespace App\Http\Controllers\Api;
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use App\Http\Controllers\Controller;
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use App\Models\Device;
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use App\Models\Reading;
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use Illuminate\Http\JsonResponse;
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use Illuminate\Http\Request;
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use Illuminate\Support\Facades\DB;
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class DeviceController extends Controller
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{
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public function index(): JsonResponse
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{
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return response()->json(Device::select('id','slug','name','type','last_seen_at')->get());
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}
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public function show(string $slug): JsonResponse
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{
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$d = Device::where('slug',$slug)->firstOrFail();
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return response()->json($d);
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}
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public function latest(string $slug): JsonResponse
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{
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$d = Device::where('slug',$slug)->firstOrFail();
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$sql = "SELECT metric, value, value_text, recorded_at FROM (SELECT metric, value, value_text, recorded_at, ROW_NUMBER() OVER (PARTITION BY metric ORDER BY recorded_at DESC) rn FROM readings WHERE device_id=?) t WHERE rn=1";
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$rows = DB::select($sql, [$d->id]);
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$m = [];
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foreach ($rows as $r) {
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$m[$r->metric] = [
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'value' => $r->value !== null ? (float)$r->value : null,
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'text' => $r->value_text,
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'at' => $r->recorded_at,
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];
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}
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return response()->json(['device' => $d->only(['slug','name','last_seen_at']), 'metrics' => $m]);
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}
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public function history(string $slug, Request $r): JsonResponse
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{
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$d = Device::where('slug',$slug)->firstOrFail();
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$metric = $r->query('metric');
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$hours = min(168, max(1, (int)$r->query('hours', 24)));
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$since = now()->subHours($hours);
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$q = Reading::where('device_id',$d->id)->where('recorded_at','>=',$since);
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if ($metric) $q->where('metric',$metric);
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$rows = $q->orderBy('recorded_at')->limit(5000)->get(['metric','value','recorded_at']);
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return response()->json(['from'=>$since,'count'=>$rows->count(),'data'=>$rows]);
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}
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}
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