first upload all files

Modules/Report/Report.php

@@ -0,0 +1,107 @@
+<?php
+
+namespace Modules\Report;
+
+use Illuminate\Support\Carbon;
+use Illuminate\Support\Facades\DB;
+
+abstract class Report
+{
+    protected $filters = ['from', 'to', 'status', 'group'];
+    protected $groups = ['years', 'months', 'weeks', 'days'];
+    protected $date = 'created_at';
+
+    abstract protected function view();
+
+    abstract protected function query();
+
+    protected function data()
+    {
+        return [];
+    }
+
+    public function render($request)
+    {
+        $report = $this->report($request)
+            ->simplePaginate(20)
+            ->appends($request->query());
+
+        return view($this->view())
+            ->with(array_merge(compact('report'), $this->data()));
+    }
+
+    public function report($request)
+    {
+        $this->query = $this->query();
+
+        foreach ($this->filters($request) as $name => $value) {
+            $this->{$name}($value);
+        }
+
+        return $this->query;
+    }
+
+    private function filters($request)
+    {
+        return array_filter($request->query(), function ($value, $name) {
+            return ! is_null($value) && in_array($name, $this->filters);
+        }, ARRAY_FILTER_USE_BOTH);
+    }
+
+    private function from($date)
+    {
+        $this->query->whereDate($this->date, '>=', Carbon::parse($date));
+    }
+
+    private function to($date)
+    {
+        $this->query->whereDate($this->date, '<=', Carbon::parse($date));
+    }
+
+    private function status($status)
+    {
+        $this->query->where('orders.status', $status);
+    }
+
+    private function group($group)
+    {
+        if (in_array($group, $this->groups)) {
+            $this->{"groupBy{$group}"}();
+        }
+    }
+
+    private function groupByYears()
+    {
+        $this->groupAndOrderBy('YEAR');
+    }
+
+    private function groupByMonths()
+    {
+        $this->groupAndOrderBy('YEAR')
+            ->groupAndOrderBy('MONTH');
+    }
+
+    private function groupByWeeks()
+    {
+        $this->groupAndOrderBy('YEAR')
+            ->groupAndOrderBy('MONTH')
+            ->groupAndOrderBy('WEEK');
+    }
+
+    private function groupByDays()
+    {
+        $this->groupAndOrderBy('YEAR')
+            ->groupAndOrderBy('MONTH')
+            ->groupAndOrderBy('WEEK')
+            ->groupAndOrderBy('DAY');
+    }
+
+    private function groupAndOrderBy($part)
+    {
+        $this->query->selectRaw("EXTRACT({$part} FROM {$this->date}) as {$part}")
+            ->groupBy(DB::raw("EXTRACT({$part} FROM {$this->date})"))
+            ->orderbyDesc($part);
+
+        return $this;
+    }
+}