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Krystie 29c3c6fc8a feat: Add Meilisearch full-text search with autocomplete and filters

- Add Meilisearch v1.6 service to docker-compose.yml
- Create search indexer with batch and incremental indexing
- Build search API with filters (category, duration, date, content type)
- Add autocomplete API with trending query suggestions
- Implement modern search UI with real-time autocomplete
- Add db_search_queries table for tracking trending searches
- Document setup and usage in docs/MEILISEARCH.md

Features:
- Blazing fast search (5-15ms typical)
- Advanced filters and faceted search
- Real-time autocomplete suggestions
- Trending queries tracking
- Responsive pagination
- Production-ready with proper error handling

2026-03-30 17:07:04 -07:00

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Meilisearch Integration

EasyStream now includes full-text search powered by Meilisearch v1.6.

Features

⚡ Blazing fast full-text search across video titles, descriptions, tags
🔍 Autocomplete suggestions based on trending queries and video titles
🎯 Advanced filters: category, duration range, upload date, content type
📊 Faceted search with result counts per filter
🔥 Trending queries tracking for popular searches
🎨 Modern UI with real-time autocomplete

Setup

1. Start Meilisearch

The Meilisearch service is already configured in docker-compose.yml. Start it with:

docker-compose up -d meilisearch

2. Initialize Index

Run the indexer to create the search index and configure settings:

docker-compose exec php php app_scripts/search/indexer.php init

3. Index Videos

Perform a full reindex of all existing videos:

docker-compose exec php php app_scripts/search/indexer.php reindex

This will batch-index all public videos in chunks of 100.

Usage

Search API

Endpoint: /api/search.php

Parameters:

q (required): Search query
category: Filter by category
duration: Filter by duration range (under_1min, 1_5min, 5_10min, 10_20min, over_20min)
content_type: video or live
date_from: Unix timestamp
date_to: Unix timestamp
sort: Sort field (upload_date, view_count, like_count)
order: Sort order (asc or desc, default desc)
page: Page number (default 1)
limit: Results per page (default 20, max 100)

Example:

curl "http://localhost:8083/api/search.php?q=tutorial&category=education&duration=5_10min&page=1&limit=20"

Response:

{
  "success": true,
  "data": {
    "query": "tutorial",
    "results": [...],
    "total": 142,
    "page": 1,
    "limit": 20,
    "facets": {
      "category": {"education": 87, "entertainment": 55},
      "duration_range": {"5_10min": 42, "10_20min": 100}
    },
    "processing_time_ms": 12
  }
}

Autocomplete API

Endpoint: /api/search_autocomplete.php

Parameters:

q (required): Partial query (minimum 2 characters)

Example:

curl "http://localhost:8083/api/search_autocomplete.php?q=tut"

Response:

{
  "success": true,
  "suggestions": [
    "tutorial",
    "tutorials for beginners",
    "tutorial python",
    "tutorial video editing"
  ]
}

Indexing

Incremental Indexing

When a video is uploaded, updated, or deleted, update the search index:

require_once 'app_scripts/search/indexer.php';
$indexer = new MeilisearchIndexer();

// Index new/updated video
$indexer->indexVideo($video_id);

// Remove deleted video
$indexer->removeVideo($video_id);

Automated Reindexing

For large sites, add a cron job to periodically reindex:

# Reindex every 6 hours
0 */6 * * * cd /srv/easystream && php app_scripts/search/indexer.php reindex >> /var/log/meilisearch-indexer.log 2>&1

Configuration

Environment Variables

Set in docker-compose.yml or .env:

MEILI_HOST=http://meilisearch:7700
MEILI_MASTER_KEY=changeme_meilisearch_master_key
MEILI_ENV=production

⚠️ Security: Change MEILI_MASTER_KEY to a strong random key in production!

Index Settings

The indexer automatically configures:

Searchable attributes: title, description, tags, category, username
Filterable attributes: category, content_type, duration_range, upload_date, is_live, privacy
Sortable attributes: upload_date, view_count, like_count, duration
Ranking rules: Words → Typo → Proximity → Attribute → Sort → Exactness

Customize in app_scripts/search/indexer.php → initializeIndex().

Database Schema

The integration adds one table for trending query tracking:

CREATE TABLE db_search_queries (
    query_id INT AUTO_INCREMENT PRIMARY KEY,
    query VARCHAR(255) NOT NULL UNIQUE,
    search_count INT DEFAULT 1,
    last_searched DATETIME,
    created_at DATETIME,
    INDEX (search_count),
    INDEX (last_searched)
);

Run the migration:

docker-compose exec db mysql -u easystream -peasystream easystream < __install/migrations/001_add_search_queries_table.sql

Frontend

The search UI is at /search.php and includes:

Real-time autocomplete (300ms debounce)
Category, duration, and sort filters
Responsive video grid
Pagination
Result counts and search performance metrics

Performance

Typical search: 5-15ms for 100k+ videos
Index size: ~1-2MB per 10k videos
Memory: Meilisearch uses ~256MB (configurable in docker-compose.yml)
Indexing speed: ~10k videos/minute

Troubleshooting

Check Meilisearch health

curl http://localhost:7700/health

View Meilisearch logs

docker-compose logs -f meilisearch

Reset index

docker-compose exec php php app_scripts/search/indexer.php init
docker-compose exec php php app_scripts/search/indexer.php reindex

No search results

Verify Meilisearch is running: docker-compose ps meilisearch
Check index exists: curl -H "Authorization: Bearer changeme_meilisearch_master_key" http://localhost:7700/indexes
Verify documents indexed: curl -H "Authorization: Bearer changeme_meilisearch_master_key" http://localhost:7700/indexes/videos/stats
Check API logs: docker-compose logs php | grep search

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