Separated Checkout and Payment controllers, updates to checkout and payments

app/Http/Controllers/PaymentController.php

@@ -0,0 +1,73 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Http\RedirectResponse;
+
+use App\Http\Requests\PaymentAddEdit;
+use Illuminate\Support\Arr;
+use App\Models\{Payment,PaymentItem};
+
+class PaymentController extends Controller
+{
+	/**
+	 * Record payments on an account.
+	 *
+	 * @param PaymentAddEdit $request
+	 * @param Payment $o
+	 * @return RedirectResponse
+	 */
+	public function addedit(PaymentAddEdit $request,Payment $o): RedirectResponse
+	{
+		foreach (Arr::except($request->validated(),'invoices') as $k=>$v)
+			$o->{$k} = $v;
+
+		foreach ($request->validated('invoices',[]) as $id => $amount) {
+			// See if we already have a payment item that we need to update
+			$items = $o->items
+				->filter(fn($item)=>$item->invoice_id == $id);
+
+			if ($items->count() === 1) {
+				$oo = $items->pop();
+
+				if ($amount == 0) {
+					$oo->delete();
+					continue;
+				}
+
+			} else {
+				$oo = new PaymentItem;
+				$oo->invoice_id = $id;
+			}
+
+			$oo->amount = ($oo->invoice->due >= 0) && ($oo->invoice->due-$amount >= 0)
+				? $amount
+				: 0;
+
+			// If the amount is empty, ignore it.
+			if (! $oo->amount)
+				continue;
+
+			$oo->site_id = config('site')->site_id;
+			$oo->active = TRUE;
+			$o->items->push($oo);
+		}
+
+		try {
+			$o->pushNew();
+
+		} catch (\Exception $e) {
+			return redirect()
+				->back()
+				->withErrors($e->getMessage())->withInput();
+		}
+
+		return $o->wasRecentlyCreated
+			? redirect()
+				->to('r/payment/'.$o->id)
+				->with('success','Payment added')
+			: redirect()
+				->back()
+				->with('success','Payment saved');
+	}
+}