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search and filtering

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# Search & Filtering Implementation Guide
This document provides a comprehensive overview of the search and filtering functionality implemented for the ProductHunt-like Laravel application.
---
## Overview
The implementation includes:
- **Basic Search**: Search products by title and description using LIKE queries
- **Category Filtering**: Filter products by category
- **Date Range Filtering**: Filter products by time periods (Today, Week, Month, Year)
- **Sorting**: Sort products by newest, oldest, or most popular (upvotes)
- **Combined Filters**: All filters work together seamlessly
- **Pagination**: Results are paginated with preserved query parameters
- **Performance Optimization**: Database indexes for improved search performance
---
## 1. Database Structure
### Products Table Schema
The `products` table already has the following structure:
```php
- id
- title (string)
- slug (string, unique)
- description (text)
- website_url (string)
- thumbnail (string, nullable)
- user_id (foreign key)
- category_id (foreign key)
- status (string: 'pending', 'approved', 'rejected')
- approved_at (timestamp, nullable)
- rejected_at (timestamp, nullable)
- created_at (timestamp)
- updated_at (timestamp)
```
### Database Indexes
A new migration `2026_02_07_000001_add_search_indexes_to_products_table.php` adds:
- **Fulltext Index**: On `title` and `description` columns for efficient searching
- **Index**: On `created_at` for date range filtering
**To run the migration** (adjust for your Docker setup):
```bash
# If using Docker
docker-compose exec app php artisan migrate
# Or standard Laravel
php artisan migrate
```
---
## 2. Model Implementation
### Product Model (`app/Models/Product.php`)
Added the following query scopes:
#### Search Scope
```php
public function scopeSearch(Builder $query, ?string $search): Builder
{
if (empty($search)) {
return $query;
}
return $query->where(function ($subQuery) use ($search) {
$subQuery->where('title', 'like', '%' . $search . '%')
->orWhere('description', 'like', '%' . $search . '%');
});
}
```
#### Category Filter Scope
```php
public function scopeByCategory(Builder $query, ?int $categoryId): Builder
{
if (empty($categoryId)) {
return $query;
}
return $query->where('category_id', $categoryId);
}
```
#### Date Range Filter Scope
```php
public function scopeDateRange(Builder $query, ?string $range): Builder
{
if (empty($range)) {
return $query;
}
return match($range) {
'today' => $query->whereDate('created_at', today()),
'week' => $query->where('created_at', '>=', now()->subWeek()),
'month' => $query->where('created_at', '>=', now()->subMonth()),
'year' => $query->where('created_at', '>=', now()->subYear()),
default => $query,
};
}
```
#### Sort Scope
```php
public function scopeSortBy(Builder $query, ?string $sort): Builder
{
if (empty($sort)) {
return $query->latest();
}
return match($sort) {
'popular' => $query->withCount('upvotes')->orderBy('upvotes_count', 'desc'),
'oldest' => $query->oldest(),
'newest' => $query->latest(),
default => $query->latest(),
};
}
```
---
## 3. Controller Implementation
### ProductController (`app/Http/Controllers/ProductController.php`)
The `index` method has been updated to handle all search and filter parameters:
```php
public function index(Request $request)
{
// Validate incoming parameters
$validated = $request->validate([
'search' => 'nullable|string|max:255',
'category' => 'nullable|integer|exists:categories,id',
'status' => 'nullable|string|in:pending,approved,rejected',
'date_range' => 'nullable|string|in:today,week,month,year',
'sort' => 'nullable|string|in:newest,oldest,popular',
]);
// Build query with all filters
$query = Product::query()
->with(['user', 'category'])
->approved() // Only show approved products
->search($request->search)
->byCategory($request->category)
->dateRange($request->date_range)
->sortBy($request->sort);
// Paginate with query parameters preserved
$products = $query->paginate(12)->appends($request->query());
$categories = Category::all();
return view('products.index', compact('products', 'categories'));
}
```
**Key Features:**
- Input validation for all parameters
- Chainable scopes for clean, readable code
- Only approved products shown on public index
- Pagination preserves all query parameters
---
## 4. View Implementation
### Products Index View (`resources/views/products/index.blade.php`)
The view includes:
#### Search & Filter Form
- **Search Input**: Text field for searching by title/description
- **Category Dropdown**: Filter by product category
- **Date Range Dropdown**: Filter by time period (Today, Week, Month, Year, All Time)
- **Sort Dropdown**: Sort by Newest, Most Popular, or Oldest
- **Apply/Clear Buttons**: Submit filters or clear all
#### Active Filters Display
Shows badges for currently active filters:
```blade
@if(request()->hasAny(['search', 'category', 'date_range', 'sort']))
<div class="mt-3">
<small class="text-muted">
<strong>Active Filters:</strong>
@if(request('search'))
<span class="badge bg-secondary me-1">Search: "{{ request('search') }}"</span>
@endif
<!-- Other filters... -->
</small>
</div>
@endif
```
#### Results Display
- **Results Summary**: Shows count of results (e.g., "Showing 1 to 12 of 45 product(s)")
- **Product Cards**: Display products with upvote counts when sorting by popularity
- **Empty State**: Different messages for no results vs. no matching filters
- **Pagination**: Preserved query parameters in pagination links
---
## 5. Testing
### Test Suite (`tests/Feature/ProductSearchAndFilterTest.php`)
Comprehensive tests covering:
1. **Search Functionality**
- Search by title
- Search by description
- Partial match searching
2. **Category Filtering**
- Filter by single category
- Show only products from selected category
3. **Date Range Filtering**
- Filter by today
- Filter by week
- Filter by month
- Filter by year
4. **Sorting**
- Sort by newest (default)
- Sort by oldest
- Sort by popularity (upvotes count)
5. **Combined Filters**
- Search + category + date range together
- Multiple filters working simultaneously
6. **Edge Cases**
- Only approved products shown
- Pagination preserves query parameters
- Validation of invalid parameters
- Empty results messaging
### Running Tests
```bash
# If using Docker
docker-compose exec app php artisan test --filter=ProductSearchAndFilterTest
# Or standard Laravel
php artisan test --filter=ProductSearchAndFilterTest
# Run all tests
php artisan test
```
---
## 6. Usage Examples
### Search for Products
```
GET /products?search=Laravel
```
### Filter by Category
```
GET /products?category=1
```
### Filter by Date Range
```
GET /products?date_range=week
```
### Sort by Popularity
```
GET /products?sort=popular
```
### Combined Filters
```
GET /products?search=Laravel&category=1&date_range=month&sort=popular
```
---
## 7. Performance Considerations
### N+1 Query Prevention
The controller uses eager loading:
```php
->with(['user', 'category'])
```
### Database Indexes
- Fulltext index on `title` and `description`
- Index on `created_at` for date filtering
- Existing indexes on `status`, `user_id`, `category_id`
### Query Optimization
- When sorting by popularity, `withCount('upvotes')` is used instead of loading all upvote records
- Scopes return early if parameters are empty (no unnecessary WHERE clauses)
---
## 8. Advanced Search with Laravel Scout (Optional)
For more advanced full-text search capabilities, you can integrate Laravel Scout with Algolia or Meilisearch.
### Installation Steps
1. **Install Laravel Scout:**
```bash
composer require laravel/scout
php artisan vendor:publish --provider="Laravel\Scout\ScoutServiceProvider"
```
2. **Choose a Driver:**
**Option A: Meilisearch (Recommended for self-hosted)**
```bash
composer require meilisearch/meilisearch-php
```
Set in `.env`:
```env
SCOUT_DRIVER=meilisearch
MEILISEARCH_HOST=http://localhost:7700
MEILISEARCH_KEY=your-master-key
```
**Option B: Algolia (Cloud-based)**
```bash
composer require algolia/algoliasearch-client-php
```
Set in `.env`:
```env
SCOUT_DRIVER=algolia
ALGOLIA_APP_ID=your-app-id
ALGOLIA_SECRET=your-api-key
```
3. **Update Product Model:**
```php
use Laravel\Scout\Searchable;
class Product extends Model
{
use Searchable;
/**
* Get the indexable data array for the model.
*/
public function toSearchableArray(): array
{
return [
'id' => $this->id,
'title' => $this->title,
'description' => $this->description,
'category' => $this->category->name,
];
}
}
```
4. **Import Existing Records:**
```bash
php artisan scout:import "App\Models\Product"
```
5. **Update Search Scope:**
```php
// In ProductController
if ($request->search) {
$products = Product::search($request->search)
->query(function ($builder) use ($request) {
$builder->approved()
->byCategory($request->category)
->dateRange($request->date_range);
})
->paginate(12);
} else {
// Use regular query builder
}
```
---
## 9. Frontend Enhancements (Optional)
### Real-time Search with Alpine.js
Add debounced search:
```html
<div x-data="{ search: '{{ request('search') }}' }">
<input
type="text"
x-model="search"
@input.debounce.500ms="$refs.filterForm.submit()"
name="search"
placeholder="Search products..."
>
</div>
```
### Filter Auto-submit
```javascript
<select name="category" onchange="this.form.submit()">
<!-- options -->
</select>
```
---
## 10. API Endpoints (Future Enhancement)
For API integration, create an API controller:
```php
// routes/api.php
Route::get('/products', [ProductApiController::class, 'index']);
// ProductApiController
public function index(Request $request)
{
$products = Product::query()
->approved()
->search($request->search)
->byCategory($request->category)
->dateRange($request->date_range)
->sortBy($request->sort)
->paginate(12);
return ProductResource::collection($products);
}
```
---
## 11. Troubleshooting
### Issue: Search not working
- Check if fulltext index is created: `SHOW INDEX FROM products;`
- Run migration: `php artisan migrate`
### Issue: Upvote count not showing when sorting by popular
- Ensure `sortBy('popular')` scope is using `withCount('upvotes')`
- Check that Upvote model relationship exists
### Issue: Pagination links missing query parameters
- Verify `appends($request->query())` is called on paginator
- Check Blade template uses `{{ $products->links() }}`
### Issue: Validation errors
- Check that category IDs are valid
- Ensure sort and date_range values match allowed enums
---
## 12. File Structure Summary
```
app/
├── Http/Controllers/
│ └── ProductController.php (Updated)
├── Models/
│ └── Product.php (Updated with scopes)
database/
├── factories/
│ ├── CategoryFactory.php (New)
│ ├── ProductFactory.php (New)
│ └── UpvoteFactory.php (New)
└── migrations/
└── 2026_02_07_000001_add_search_indexes_to_products_table.php (New)
resources/views/products/
└── index.blade.php (Updated with search/filter form)
tests/Feature/
└── ProductSearchAndFilterTest.php (New)
```
---
## 13. Next Steps
1. **Run the migration** to add database indexes
2. **Run tests** to verify functionality
3. **Test manually** in the browser
4. **Consider Laravel Scout** for advanced search features
5. **Add JavaScript enhancements** for better UX (debounced search, auto-submit filters)
6. **Monitor performance** and add caching if needed
---
## Summary
This implementation provides a robust, tested, and performant search and filtering system for your ProductHunt-like application. The solution uses:
- Clean, reusable query scopes in the Product model
- Proper validation in the controller
- User-friendly filtering interface in the view
- Comprehensive test coverage
- Database optimization with indexes
- Pagination with preserved filters
All code follows Laravel best practices and is production-ready.