From 06b9bc27579af3fe54de6333aa68a8cc0fbfad49 Mon Sep 17 00:00:00 2001
From: James Brooks <jbrooksuk@me.com>
Date: Fri, 8 May 2015 11:06:02 +0100
Subject: [PATCH] Prevent bots from indexing date ranges with no incidents.
 Closes #624.

---
 app/Http/Controllers/HomeController.php | 3 +++
 resources/views/index.blade.php         | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/app/Http/Controllers/HomeController.php b/app/Http/Controllers/HomeController.php
index a07c9a13b..56875c76c 100644
--- a/app/Http/Controllers/HomeController.php
+++ b/app/Http/Controllers/HomeController.php
@@ -108,6 +108,8 @@ class HomeController extends AbstractController
         $componentGroups = ComponentGroup::whereIn('id', $usedComponentGroups)->get();
         $ungroupedComponents = Component::where('group_id', 0)->orderBy('order')->orderBy('created_at')->get();
 
+        $canPageBackward = Incident::notScheduled()->where('created_at', '<', $startDate->format('Y-m-d'))->count() != 0;
+
         return View::make('index', [
             'componentGroups'      => $componentGroups,
             'ungroupedComponents'  => $ungroupedComponents,
@@ -118,6 +120,7 @@ class HomeController extends AbstractController
             'pageTitle'            => Setting::get('app_name'),
             'aboutApp'             => Markdown::convertToHtml(Setting::get('app_about')),
             'canPageForward'       => (bool) $today->gt($startDate),
+            'canPageBackward'      => $canPageBackward,
             'previousDate'         => $startDate->copy()->subDays($daysToShow)->toDateString(),
             'nextDate'             => $startDate->copy()->addDays($daysToShow)->toDateString(),
         ]);
diff --git a/resources/views/index.blade.php b/resources/views/index.blade.php
index ec59d1cd6..088044c5b 100644
--- a/resources/views/index.blade.php
+++ b/resources/views/index.blade.php
@@ -41,11 +41,13 @@
 
     <nav>
         <ul class="pager">
+            @if($canPageBackward)
             <li class="previous">
                 <a href="{{ route('status-page') }}?start_date={{ $previousDate }}">
                     <span aria-hidden="true">&larr;</span> {{ trans('cachet.incidents.previous_week') }}
                 </a>
             </li>
+            @endif
             @if($canPageForward)
             <li class="next">
                 <a href="{{ route('status-page') }}?start_date={{ $nextDate }}">