Get non-flat table attributes using relations instead of join

src/Http/Controllers/ProductController.php

@@ -12,7 +12,7 @@ public function show(int $productId)
         $productModel = config('rapidez.models.product');
         $product = $productModel::selectForProductPage()
             ->withEventyGlobalScopes('productpage.scopes')
-            ->with('options')
+            ->with('options', 'attrs')
             ->findOrFail($productId);
 
         $attributes = [

src/Models/OptionValue.php

@@ -10,17 +10,19 @@ class OptionValue extends Model
 
     protected $primaryKey = 'value_id';
 
-    public static function getCachedByOptionId(int $optionId): string
+    public static function getCachedByOptionId(int $optionId, ?int $attributeId = null, mixed $default = false): string
     {
         $cacheKey = 'optionvalues.' . config('rapidez.store');
         $cache = Cache::store('rapidez:multi')->get($cacheKey, []);
 
         if (! isset($cache[$optionId])) {
-            $cache[$optionId] = html_entity_decode(self::where('option_id', $optionId)
+            $cache[$optionId] = html_entity_decode(self::where('eav_attribute_option_value.option_id', $optionId)
                 ->whereIn('store_id', [config('rapidez.store'), 0])
+                ->join('eav_attribute_option', 'eav_attribute_option.option_id', '=', 'eav_attribute_option_value.option_id')
                 ->orderByDesc('store_id')
+                ->when($attributeId, fn ($query) => $query->where('attribute_id', $attributeId))
                 ->first('value')
-                ->value ?? false);
+                ->value ?? $default);
             Cache::store('rapidez:multi')->forever($cacheKey, $cache);
         }
 

src/Models/Product.php

@@ -233,6 +233,62 @@ public function getThumbnailAttribute($image): ?string
         return $this->getImageAttribute($image);
     }
 
+    public function attrs(): HasMany
+    {
+        return $this->hasMany(
+            ProductAttribute::class,
+            'entity_id',
+            'entity_id',
+        );
+    }
+
+    public function getAttribute($key)
+    {
+        if (($value = parent::getAttribute($key)) !== null || $this->hasAttribute($key)) {
+            return $value;
+        }
+
+        // TOOD: Not sure if this is very efficient, first we're
+        // searching for the attribute by code for the id and
+        // after that we're searching for the attribute id
+        // between the product attributes for the value.
+        $attributeModel = config('rapidez.models.attribute');
+        $attributes = $attributeModel::getCachedWhere(function ($attribute) use ($key) {
+            return $attribute['code'] == $key;
+        });
+
+        if (! count($attributes) || ! $attribute = reset($attributes)) {
+            return null;
+        }
+
+        $this->loadMissing('attrs');
+        // TODO: Check for a custom value for a store. So if store 1 overwrites store 0.
+        if (! $value = optional($this->attrs->firstWhere('attribute_id', $attribute['id']))->value) {
+            return null;
+        }
+
+        if ($attribute['input'] == 'multiselect') {
+            foreach (explode(',', $value) as $optionValueId) {
+                $values[] = OptionValue::getCachedByOptionId($optionValueId, $attribute['id'], $optionValueId);
+            }
+            $this->setAttribute($key, $values);
+
+            return $values;
+        }
+
+        if ($attribute['input'] == 'select' && $attribute['type'] == 'int' && ! ($attribute['system'] ?? false)) {
+            $value = OptionValue::getCachedByOptionId($value, $attribute['id'], $value);
+        }
+
+        if ($key == 'url_key') {
+            return '/' . ($value ? $value . Rapidez::config('catalog/seo/product_url_suffix') : 'catalog/product/view/id/' . $this->entity_id);
+        }
+
+        $this->setAttribute($key, $value);
+
+        return $value;
+    }
+
     protected function breadcrumbCategories(): Attribute
     {
         return Attribute::make(

src/Models/ProductAttribute.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Rapidez\Core\Models;
+
+use Illuminate\Database\Eloquent\Builder;
+
+class ProductAttribute extends Model
+{
+    protected $table = 'catalog_product_entity_varchar';
+
+    protected static function boot(): void
+    {
+        parent::boot();
+
+        static::addGlobalScope('unions', function (Builder $builder) {
+            $builder
+                ->select([
+                    'entity_id',
+                    'attribute_id',
+                    'store_id',
+                    'value',
+                ])
+                ->whereIn('store_id', [config('rapidez.store'), 0])
+                ->whereNotNull('value');
+
+            $baseQuery = clone $builder->getQuery();
+            foreach (['int', 'text', 'decimal'] as $type) {
+                $typeTable = 'catalog_product_entity_' . $type;
+                $typeQuery = (clone $baseQuery)->from($typeTable);
+                $typeQuery->wheres[0]['column'] = $typeTable . '.entity_id';
+                $builder->unionAll($typeQuery);
+            }
+        });
+    }
+}

src/Models/Traits/Product/SelectAttributeScopes.php

@@ -19,7 +19,7 @@ public function scopeSelectForProductPage(Builder $query): Builder
     {
         $attributeModel = config('rapidez.models.attribute');
         $this->attributesToSelect = Arr::pluck($attributeModel::getCachedWhere(function ($attribute) {
-            return $attribute['productpage'] || in_array($attribute['code'], [
+            return ($attribute['flat'] || $attribute['type'] === 'select') && $attribute['productpage'] || in_array($attribute['code'], [
                 'name',
                 'meta_title',
                 'meta_description',