[controllers] Added payment controler

app/Http/Controllers/PaymentController.php

+<?php
+
+namespace App\Http\Controllers;
+
+use Database\Models\Config;
+use Database\Models\Person;
+use Database\Models\PersonalTransaction;
+use Database\Models\Transaction;
+use Illuminate\Http\Request;
+use Illuminate\Validation\Rule;
+
+class PaymentController extends Controller
+{
+    private function getPersonalAccount($request) {
+        $key_data = $request->validate(['token' => ['required', function ($attribute, $value, $fail) {
+            if (!Person::where('edu_token', hash('sha256', $value))->exists()) {
+                $fail("Cette carte n'est pas attribuée à un compte.");
+            }
+        }]]);
+        $person = Person::where('edu_token', hash('sha256', $key_data['token']))->firstOrFail();
+        return $person->personal_account;
+    }
+
+    protected function checkPaymentData($request, $amount, $required = true)
+    {
+        $data = $request->validate([
+            "payment" => array_merge($required ? [] : ['sometimes'], ['required', Rule::in(['cash', 'card', 'account'])])
+        ]);
+
+        if (!array_key_exists("payment", $data)) {
+            return;
+        }
+
+        if ($data["payment"] == "account") {
+            $paccount = $this->getPersonalAccount($request);
+
+            if (!$paccount->exists()) {
+                abort(404);
+            }
+
+            if ($paccount->balance < $amount) {
+                abort(422, "Pas assez d'argent sur le compte.");
+            }
+        }
+    }
+
+    protected function doPayment($request, $amount, $name, $category, $required = true) {
+        $data = $request->validate([
+            "payment" => array_merge($required ? [] : ['sometimes'], ['required', Rule::in(['cash', 'card', 'account'])])
+        ]);
+
+        if (!array_key_exists("payment", $data)) {
+            return ["transaction" => null, "person" => null];
+        }
+
+        $account_id = $data["payment"] == "account" ?
+            Config::integer('personal.account') : ($data["payment"] == 'card' ?
+                Config::integer('card.account') : Config::integer('sales.account'));
+
+        // We create the transaction
+        $transaction = Transaction::create([
+            'name' => $name,
+            'amount' => $amount,
+            'rectification' => false,
+            'account_id' => $account_id,
+            'category_id' => $category,
+            'user_id' => $request->user()->id
+        ]);
+
+        if ($data["payment"] == "card") {
+            // We round the transaction fees
+            // (Information given by our card payment provider).
+            $a = round($amount * Config::number('card.fees.percent') * 100) / 100;
+
+            Transaction::create([
+                'name' => Config::format('card.fees.message', ['transaction' => $transaction->attributesToArray()]),
+                'amount' => -$a,
+                'rectification' => false,
+                'account_id' => Config::integer('card.account'),
+                'category_id' => Config::integer('card.fees.category'),
+                'user_id' => $request->user()->id
+            ]);
+        } elseif ($data["payment"] == "account") {
+            $t = Transaction::create([
+                'name' => $name,
+                'amount' => -$amount,
+                'rectification' => false,
+                'account_id' => Config::integer('personal.account'),
+                'category_id' => Config::integer('personal.category'),
+                'user_id' => $request->user()->id
+            ]);
+
+            $paccount = $this->getPersonalAccount($request);
+
+            PersonalTransaction::create([
+                'amount' => -$amount,
+                'user_id' => $request->user()->id,
+                'personal_account_id' => $paccount->id,
+                'transaction_id' => $t->id
+            ]);
+
+            return ["person" => $paccount->person_id, "transaction" => $transaction->id];
+
+        }
+
+        return ["person" => null, "transaction" => $transaction->id];
+    }
+}