optimizations

app/Services/CollectionAnalyticsService.php

@@ -0,0 +1,117 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services;
+
+use App\Models\Collection;
+use App\Models\CollectionDailyStat;
+use App\Services\ThumbnailPresenter;
+use Illuminate\Support\Carbon;
+use Illuminate\Support\Facades\DB;
+
+class CollectionAnalyticsService
+{
+    public function snapshot(Collection $collection, ?Carbon $date = null): void
+    {
+        $bucket = ($date ?? now())->toDateString();
+
+        DB::table('collection_daily_stats')->updateOrInsert(
+            [
+                'collection_id' => $collection->id,
+                'stat_date' => $bucket,
+            ],
+            [
+                'views_count' => (int) $collection->views_count,
+                'likes_count' => (int) $collection->likes_count,
+                'follows_count' => (int) $collection->followers_count,
+                'saves_count' => (int) $collection->saves_count,
+                'comments_count' => (int) $collection->comments_count,
+                'shares_count' => (int) $collection->shares_count,
+                'submissions_count' => (int) $collection->submissions()->count(),
+                'created_at' => now(),
+                'updated_at' => now(),
+            ]
+        );
+    }
+
+    public function overview(Collection $collection, int $days = 30): array
+    {
+        $rows = CollectionDailyStat::query()
+            ->where('collection_id', $collection->id)
+            ->where('stat_date', '>=', now()->subDays(max(7, $days - 1))->toDateString())
+            ->orderBy('stat_date')
+            ->get();
+
+        $first = $rows->first();
+        $last = $rows->last();
+
+        $delta = static fn (string $column): int => max(0, (int) ($last?->{$column} ?? 0) - (int) ($first?->{$column} ?? 0));
+
+        return [
+            'totals' => [
+                'views' => (int) $collection->views_count,
+                'likes' => (int) $collection->likes_count,
+                'follows' => (int) $collection->followers_count,
+                'saves' => (int) $collection->saves_count,
+                'comments' => (int) $collection->comments_count,
+                'shares' => (int) $collection->shares_count,
+                'submissions' => (int) $collection->submissions()->count(),
+            ],
+            'range' => [
+                'days' => $days,
+                'views_delta' => $delta('views_count'),
+                'likes_delta' => $delta('likes_count'),
+                'follows_delta' => $delta('follows_count'),
+                'saves_delta' => $delta('saves_count'),
+                'comments_delta' => $delta('comments_count'),
+            ],
+            'timeline' => $rows->map(fn (CollectionDailyStat $row) => [
+                'date' => $row->stat_date?->toDateString(),
+                'views' => (int) $row->views_count,
+                'likes' => (int) $row->likes_count,
+                'follows' => (int) $row->follows_count,
+                'saves' => (int) $row->saves_count,
+                'comments' => (int) $row->comments_count,
+                'shares' => (int) $row->shares_count,
+                'submissions' => (int) $row->submissions_count,
+            ])->values()->all(),
+            'top_artworks' => $this->topArtworks($collection),
+        ];
+    }
+
+    public function topArtworks(Collection $collection, int $limit = 8): array
+    {
+        return DB::table('collection_artwork as ca')
+            ->join('artworks as a', 'a.id', '=', 'ca.artwork_id')
+            ->leftJoin('artwork_stats as s', 's.artwork_id', '=', 'a.id')
+            ->where('ca.collection_id', $collection->id)
+            ->whereNull('a.deleted_at')
+            ->orderByDesc(DB::raw('COALESCE(s.ranking_score, 0)'))
+            ->orderByDesc(DB::raw('COALESCE(s.views, 0)'))
+            ->limit(max(1, min($limit, 12)))
+            ->get([
+                'a.id',
+                'a.title',
+                'a.slug',
+                'a.hash',
+                'a.thumb_ext',
+                DB::raw('COALESCE(s.views, 0) as views'),
+                DB::raw('COALESCE(s.favorites, 0) as favourites'),
+                DB::raw('COALESCE(s.shares_count, 0) as shares'),
+                DB::raw('COALESCE(s.ranking_score, 0) as ranking_score'),
+            ])
+            ->map(fn ($row) => [
+                'id' => (int) $row->id,
+                'title' => (string) $row->title,
+                'slug' => (string) $row->slug,
+                'thumb' => $row->hash && $row->thumb_ext ? ThumbnailPresenter::forHash((string) $row->hash, (string) $row->thumb_ext, 'sq') : null,
+                'views' => (int) $row->views,
+                'favourites' => (int) $row->favourites,
+                'shares' => (int) $row->shares,
+                'ranking_score' => round((float) $row->ranking_score, 2),
+            ])
+            ->values()
+            ->all();
+    }
+}