refactor: replace custom CRM with Monica fork

app/Http/Controllers/Api/Statistics/ApiStatisticsController.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace App\Http\Controllers\Api\Statistics;
+
+use App\Helpers\DateHelper;
+use Illuminate\Http\Request;
+use App\Models\Instance\Instance;
+use App\Models\Instance\Statistic;
+use App\Http\Controllers\Api\ApiController;
+
+class ApiStatisticsController extends ApiController
+{
+    /**
+     * Get the list of general, public statistics.
+     *
+     * @return \Illuminate\Support\Collection|\Illuminate\Http\JsonResponse
+     */
+    public function index(Request $request)
+    {
+        if (config('monica.allow_statistics_through_public_api_access') == false) {
+            return $this->respondNotFound();
+        }
+
+        // Collecting statistics
+        $statistic = Statistic::orderBy('created_at', 'desc')->first();
+        $instance = Instance::first();
+
+        // Get the date of the monday of last week
+        $dateMondayLastWeek = now()->subDays(7);
+        $dateMondayLastWeek = $dateMondayLastWeek->startOfWeek();
+
+        // Get the date of the sunday of last week
+        $dateSundayLastWeek = now()->subDays(7);
+        $dateSundayLastWeek = $dateSundayLastWeek->endOfWeek();
+
+        // Get the number of users last monday
+        $instanceLastMonday = Statistic::whereDate('created_at', '=', $dateMondayLastWeek->toDateString())->first();
+        $instanceLastSunday = Statistic::whereDate('created_at', '=', $dateSundayLastWeek->toDateString())->first();
+
+        $numberNewUsers = 0;
+        if ($instanceLastMonday && $instanceLastSunday) {
+            $numberNewUsers = $instanceLastSunday->number_of_users - $instanceLastMonday->number_of_users;
+        }
+
+        $statistics = collect();
+        $statistics->push([
+            'instance_creation_date' => DateHelper::getTimestamp($instance->created_at),
+            'number_of_contacts' => ($statistic ? $statistic->number_of_contacts : 0),
+            'number_of_users' => ($statistic ? $statistic->number_of_users : 0),
+            'number_of_activities' => ($statistic ? $statistic->number_of_activities : 0),
+            'number_of_reminders' => ($statistic ? $statistic->number_of_reminders : 0),
+            'number_of_new_users_last_week' => $numberNewUsers,
+        ]);
+
+        return $statistics;
+    }
+}