Add the ability to edit an existing Customers Group

Http/Controllers/CustomersGroupsController.php

@@ -33,6 +33,11 @@ class CustomersGroupsController extends Controller {
 	}
 
 	public function create() {
+		$group = new CustomersGroup();
+		return $this->update($group);
+	}
+
+	public function update(CustomersGroup $group) {
 		// Get the list of Mailboxes the current User is allowed to access.
 		$user = auth()->user();
 		$mailboxes = $user->mailboxesCanView();
@@ -49,9 +54,7 @@ class CustomersGroupsController extends Controller {
 			->flatten()
 			->sortBy('email');
 
-		$group = new CustomersGroup();
-
-		return view('mmfcustomersgroups::groups/create', [
+		return view('mmfcustomersgroups::groups/edit', [
 			'mailboxes' => $mailboxes,
 			'customers' => $customers,
 			'emails'    => $emails,
@@ -59,11 +62,18 @@ class CustomersGroupsController extends Controller {
 		]);
 	}
 
-	public function update() {
-		// TODO
-	}
-
 	public function save(Request $request) {
+		// Get the Customer Group that should be updated,
+		// or create a new one.
+		$group = ( $request->customer_id ) ?
+			CustomersGroup::find($request->customer_id):
+			new CustomersGroup();
+
+		$group->name = $request->name;
+		$group->mailbox_id = $request->mailbox;
+		// Save early to set the Group id, before setting the relationships.
+		$group->save();
+
 		// Convert the list of Emails into a list of Customers.
 		foreach ( $request->emails as $email_id ) {
 			$email = Email::find($email_id);
@@ -72,13 +82,7 @@ class CustomersGroupsController extends Controller {
 		// Drop duplicates from the list of Customers.
 		$customers = collect($customers)->unique();
 		$customers_id = $customers->pluck('id');
-
-		$group = new CustomersGroup();
-		$group->name = $request->name;
-		$group->mailbox_id = $request->mailbox;
-		// Save early to set the Group id, before setting the relationships.
-		$group->save();
-		$group->customers()->attach($customers_id);
+		$group->customers()->sync($customers_id);
 
 		return $this->list();
 	}

Http/routes.php

@@ -13,9 +13,26 @@ Route::group(
 		'namespace'  => 'Modules\MMFCustomersGroups\Http\Controllers'
 	],
 	function() {
-		Route::get('/groups/list', ['uses' => CustomersGroupsController::class . '@list', 'laroute' => true])->name('groups.list');
-		Route::get('/groups/create', ['uses' => CustomersGroupsController::class . '@create', 'laroute' => true])->name('groups.create');
-		Route::post('/groups/create', ['uses' => CustomersGroupsController::class . '@save', 'laroute' => true]);
-		Route::get('/groups/update', ['uses' => CustomersGroupsController::class . '@update', 'laroute' => true])->name('groups.update');
+		// TODO: Check if the "laroute" property is required.
+		Route::get('/groups/list', [
+			'uses'    => CustomersGroupsController::class . '@list',
+			'laroute' => true,
+		])->name('groups.list');
+		Route::get('/groups/create', [
+			'uses'    => CustomersGroupsController::class . '@create',
+			'laroute' => true,
+		])->name('groups.create');
+		Route::post('/groups/create', [
+			'uses'    => CustomersGroupsController::class . '@save',
+			'laroute' => true,
+		]);
+		Route::get('/groups/{group}/edit', [
+			'uses'    => CustomersGroupsController::class . '@update',
+			'laroute' => true,
+		])->name('groups.update');
+		Route::post('/groups/{group}/edit', [
+			'uses'    => CustomersGroupsController::class . '@save',
+			'laroute' => true,
+		]);
 	}
 );

Resources/views/groups/partials/edit_form.blade.php

@@ -12,7 +12,13 @@
 		<div class="col-xs-12">
 			<form class="form-horizontal margin-top" method="POST" action="" enctype="multipart/form-data">
 				{{ csrf_field() }}
-
+				<!-- Hidden field: The id of the Customers Group that is currently being edited -->
+				<input
+					id="customer_id"
+					type="hidden"
+					name="customer_id"
+					value="{{ $group->id }}"
+				/>
 				<!-- Mandatory field: The Mailbox this Customers Group is linked to -->
 				<div class="form-group{{ $errors->has('mailbox') ? ' has-error' : '' }} margin-bottom-0">
 					<label
@@ -27,13 +33,13 @@
 								<div>
 									<div class="input-group input-group-flex input-sized-lg">
 										<select class="form-control" name="mailbox" required>
-											@if($group->mailbox_id == null)
+											@if($group->mailbox == null)
 												<option value="" disabled selected>---</option>
 											@endif
 											@foreach($mailboxes as $mailbox)
 												<option
 													value="{{ $mailbox->id }}"
-													@if($mailbox->id == $group->mailbox_id)
+													@if($group->mailbox && $mailbox->id == $group->mailbox->id)
 														selected
 													@endif
 												>