More complete rework of packet parsing and packet generation with 29710c

app/Http/Requests/SystemEchoareaRequest.php

@@ -0,0 +1,71 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Gate;
+
+use App\Models\Domain;
+
+/**
+ * Validation to register echoareas for a system
+ * o = System::class
+ *
+ * @note This validation only expects to be used with POST
+ * Variables:
+ * + "address_id" => "address"		// address_id that will receive the echos
+ * + "domain_id" => "domain"		// Of the echoareas
+ * + "id" => array of IDs			// The echos being subscribed (or if absent, are removed)
+ *
+ * Rules:
+ * @see AddressAdd::class for description of authorisation
+ */
+class SystemEchoareaRequest extends FormRequest
+{
+	/**
+	 * Determine if the user is authorized to make this request.
+	 */
+	public function authorize(): bool
+	{
+		return request()->isMethod('get')
+			|| Gate::allows('update_nn',$this->route('o'));
+	}
+
+	/**
+	 * Get the validation rules that apply to the request.
+	 *
+	 * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
+	 */
+	public function rules(Request $request): array
+	{
+		if (request()->isMethod('get'))
+			return [];
+
+		session()->flash('accordion','echoarea');
+		return [
+			'address_id'=>[
+				'exists:addresses,id',
+				// Make sure we have session details for the area
+				function ($attribute,$value,$fail) use ($request) {
+					$ao = request()->route('o')->addresses->firstWhere('id',$request->address_id);
+
+					if ((! $ao) || (! $ao->active) || (! $ao->system->zones->pluck('domain_id')->contains($request->domain_id)))
+						$fail('Address must be ACTIVE, and have session details for the domain');
+				},
+			],
+			'domain_id'=>'exists:domains,id',
+			'id'=>[
+				'array',
+				'min:1',
+				// Make sure the echoareas are in the domain
+				function ($attribute,$value,$fail) use ($request) {
+					$do = Domain::findOrFail($request->domain_id);
+
+					if ($do->echoareas->pluck('id')->intersect($value)->count() !== count($value))
+						$fail('Some echaoreas dont exist in the domain?');
+				},
+			]
+		];
+	}
+}