Show status history

web/app/Server.php

@@ -220,4 +220,8 @@ class Server extends Model
 
         return $this->parseProductName($record->system);
     }
+
+    public function getChanges($count = 10) {
+        return \App\StatusChange::getLastChangesForServer($this->id, $count);
+    }
 }

web/app/StatusChange.php

@@ -2,6 +2,8 @@
 
 namespace App;
 
+use \Carbon\Carbon;
+
 /**
  * Represents a change of status, that will be saved in MongoDB.
  *
@@ -13,6 +15,29 @@ class StatusChange {
     public $status = 0;
     public $time = 0;
 
+    public function parse($array) {
+        if ($array == null) {
+            return;
+        }
+
+        $fields = ["server_id", "status", "time"];
+        foreach ($fields as $field) {
+            if (isset($array[$field])) {
+                $this->$field = $array[$field];
+            }
+        }
+
+        return $this;
+    }
+
+    public function getStatusBadge() {
+        return AbstractSensor::getBadgeForStatus($this->status);
+    }
+
+    public function getTimeCarbon() : Carbon {
+        return Carbon::createFromTimestamp($this->time);
+    }
+
     public static function save($status) {
         $data = [
             "time" => time(),
@@ -25,6 +50,19 @@ class StatusChange {
         $collection->insertOne($data);
     }
 
+    public static function getLastChangesForServer(int $server_id, int $count) : array {
+        $collection = \Mongo::get()->monitoring->statuschanges;
+        $records = $collection->find(
+                    ["server_id" => $server_id],
+                    ["limit" => $count, "sort" => ["_id" => -1]]);
+
+        $changes = [];
+        foreach ($records as $record) {
+            $changes[] = (new StatusChange())->parse($record);
+        }
+        return $changes;
+    }
+
     public static function getLastChangeForServer(int $server_id) : StatusChange {
         $collection = \Mongo::get()->monitoring->statuschanges;
         $record = $collection->findOne(
@@ -33,13 +71,7 @@ class StatusChange {
 
         $change = new StatusChange();
         $change->server_id = $server_id;
-
-        if ($record == null) {
-            return $change;
-        }
-
-        $change->time = $record["time"];
-        $change->status = $record["status"];
+        $change->parse($record);
         return $change;
     }
 }

web/resources/views/server/show.blade.php

@@ -94,6 +94,22 @@ window.monitorServerToken = "{{ $server->read_token }}";
             </div>
             @endforeach
 
+            <div class="card">
+                <div class="card-header">
+                    History
+                </div>
+                <div class="card-body">
+                    <table class='table table-sm'>
+                        @foreach($server->getChanges() as $change)
+                        <tr>
+                            <td>{{ $change->getTimeCarbon()->toDateTimeString() }}</td>
+                            <td>{!! $change->getStatusBadge() !!}</td>
+                        </tr>
+                        @endforeach
+                    </table>
+                </div>
+            </div>
+
             <h3>PHP Client installation</h3>
             <pre style="font-size: 75%; background: #ddd; overflow: hidden"><code>
 wget https://gitlab.cylab.be/cylab/monitoring/raw/master/php-client/bin/monitor.phar