! Published.

src/app/Filament/Resources/RemainderResource/Pages/ListRemainders.php

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+<?php
+
+namespace App\Filament\Resources\RemainderResource\Pages;
+
+use App\Filament\Resources\RemainderResource;
+use Filament\Actions;
+use Filament\Resources\Components\Tab;
+use Filament\Resources\Pages\ListRecords;
+use Filament\Tables\Concerns\HasFilters;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Support\Number;
+
+class ListRemainders extends ListRecords
+{
+    use HasFilters;
+
+    protected static string $resource = RemainderResource::class;
+
+    //---------------------------------------------------------------------------------------------------------------
+    protected function getHeaderActions(): array
+    {
+        return [
+            Actions\CreateAction::make(),
+        ];
+    }
+
+    //---------------------------------------------------------------------------------------------------------------
+    public function getTabs(): array
+    {
+        $intervals = [
+            'all' => [
+                now()->subMillenniaNoOverflow()->startOfMillennium(),
+                now()->addMillenniaNoOverflow()->endOfMillennium(),
+            ],
+            'today' => [
+                now()->startOfDay(),
+                now()->endOfDay(),
+            ],
+            'this_week' => [ //NOTE: does not includes previous dates
+                now()->endOfDay(),
+                now()->endOfWeek(),
+            ],
+            'this_month' => [ //NOTE: does not includes previous dates
+                now()->endOfWeek(),
+                now()->endOfMonth(),
+            ],
+            'this_year' => [ //NOTE: does not includes previous dates
+                now()->endOfMonth(),
+                now()->endOfYear(),
+            ],
+            'later' => [ //NOTE: does not includes previous dates
+                now()->endOfYear(),
+                now()->addMillenniaNoOverflow()->endOfMillennium(),
+            ],
+            'overdue' => [
+                now()->subMillenniaNoOverflow()->startOfMillennium(),
+                now()->startOfHour(), //NOTE: no need for higher precision for now
+            ],
+        ];
+
+        $tabs = array_map($this->intervalTab(...), $intervals);
+        $tabs['overdue']->badgeColor('danger');
+        return $tabs;
+    }
+
+    //---------------------------------------------------------------------------------------------------------------
+    /**
+     * Creates a filter tab for the table
+     *
+     * @param array $interval The interval to filter Example: [min:max]
+     *
+     * @return Tab The filter Tab
+     *
+     */
+    protected function intervalTab(array $interval): Tab
+    {
+        return Tab::make()
+            ->modifyQueryUsing(
+                fn (Builder $query): Builder =>
+                $query->whereBetween('due_at', $interval)
+            )
+            ->badge(function () use ($interval) {
+                $query = $this
+                    ->applyFiltersToTableQuery(static::getResource()::getEloquentQuery())
+                    ->whereBetween('due_at', $interval)
+                ;
+
+                //NOTE: cache is mainly used to get rid of duplicate queries by filament
+                return cache()->remember(
+                    key: 'badge_'.crc32($query->toRawSql()),
+                    ttl: 5,
+                    callback: fn () => Number::format($query->count())
+                );
+            });
+    }
+
+}