first commit

common/Database/Metrics/Partition.php

@@ -0,0 +1,76 @@
+<?php
+
+namespace Common\Database\Metrics;
+
+use Illuminate\Contracts\Database\Query\Builder;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Query\Expression;
+use Illuminate\Support\Facades\DB;
+
+class Partition extends BaseMetric
+{
+    public function __construct(
+        Model|Builder|string $model,
+        public string $groupBy,
+        MetricDateRange $dateRange,
+        string|Expression|null $column = null,
+        ?string $dateColumn = null,
+        int $limit = 50,
+        protected array $additionalColumns = [],
+    ) {
+        parent::__construct($model, $dateRange, $column, $dateColumn, $limit);
+    }
+
+    protected function aggregate(string $function): array
+    {
+        $select = [
+            $this->groupBy,
+            DB::raw("{$function}({$this->getWrappedColumn()}) as aggregate"),
+            ...$this->additionalColumns,
+        ];
+
+        $results = $this->query
+            ->select($select)
+            ->groupBy($this->groupBy, ...$this->additionalColumns)
+            ->when(
+                $this->dateRange,
+                fn($query) => $query->whereBetween($this->dateColumn, [
+                    $this->dateRange->start,
+                    $this->dateRange->end,
+                ]),
+            )
+            ->limit($this->limit)
+            ->get();
+
+        $data = $results->map(function ($result) {
+            $finalResult = [
+                'label' => $this->getLabel($result),
+                'value' => $this->round($result->aggregate),
+            ];
+            foreach ($this->additionalColumns as $column) {
+              $finalResult[$column] = $result->{$column};
+            }
+            return $finalResult;
+        });
+        $total = $data->sum('value');
+        $data = $data
+            ->map(function ($item) use ($total) {
+                $item['percentage'] = round((100 * $item['value']) / $total, 1);
+                return $item;
+            })
+            ->sortByDesc('value')
+            ->values();
+
+        return $data->all();
+    }
+
+    protected function getLabel(Model $result): string
+    {
+        $label = with(
+            $result->{last(explode('.', $this->groupBy))},
+            fn($key) => $key,
+        );
+
+        return __(ucfirst($label));
+    }
+}