new(NotificationReport) Added a report for selecting a date range whe…

…n exporting internal notifications

composer.json

@@ -40,7 +40,7 @@
       "images"
     ],
     "branch-alias": {
-      "dev-master": "4.3.x-dev"
+      "dev-master": "4.4.x-dev"
     }
   },
   "suggest": {

src/Report/NotificationReport.php

@@ -0,0 +1,84 @@
+<?php
+
+namespace Symbiote\Notifications\Report;
+
+use Exception;
+use SilverStripe\Control\Controller;
+use SilverStripe\Forms\DateField;
+use SilverStripe\Forms\DropdownField;
+use SilverStripe\Forms\FieldList;
+use SilverStripe\ORM\ArrayList;
+use SilverStripe\ORM\DataList;
+use SilverStripe\Reports\Report;
+use Symbiote\Notifications\Model\BroadcastNotification;
+use Symbiote\Notifications\Model\InternalNotification;
+
+class NotificationReport extends Report
+{
+
+    private static $notification_types = [
+        InternalNotification::class => 'Internal message',
+    ];
+
+    public function title()
+    {
+        return _t(__CLASS__ . '.NOTIFICATION_REPORT', 'Notifications');
+    }
+
+    public function group()
+    {
+        return _t(__CLASS__ . '.NOTIFICATION_REPORT_TITLE', "Notification reports");
+    }
+
+    public function sourceRecords($params, $sort, $limit)
+    {
+        $type = $this->getReportType($params);
+
+        $list = DataList::create($type);
+
+        $fromDate = $params['From'] ?? date('Y-m-d', strtotime('-1 month'));
+        $toDate = $params['To'] ?? date('Y-m-d');
+
+        $list = $list->filter([
+            'Created:GreaterThan' => $fromDate,
+            'Created:LessThanOrEqual' => $toDate
+        ]);
+        return $list;
+    }
+
+    public function columns()
+    {
+        $ctrl = Controller::curr();
+        $params = $ctrl ? $ctrl->getRequest()->getVar('filter') : [];
+
+        $type = $this->getReportType($params);
+        return $type::config()->summary_fields;
+    }
+
+    protected function getReportType($params)
+    {
+        $type = $params['Type'] ?? InternalNotification::class;
+        if (!isset(self::config()->notification_types[$type])) {
+            throw new Exception("Invalid type");
+        }
+        return $type;
+    }
+
+    public function parameterFields()
+    {
+        $ctrl = Controller::curr();
+        $params = $ctrl ? $ctrl->getRequest()->getVar('filter') : [];
+
+        $fields = FieldList::create(
+            DropdownField::create('Type', 'Notification type', self::config()->notification_types),
+            $from = DateField::create('From'),
+            $to = DateField::create('To')
+        );
+
+        if (!isset($params['From'])) {
+            $from->setValue(date('Y-m-d', strtotime('-1 month')));
+        }
+
+        return $fields;
+    }
+}