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# Yo! Micro Web Crawler in PHP & Manticore
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Next generation of [YGGo!](https://github.com/YGGverse/YGGo) project with goal to reduce server requirements and make deployment process simpler
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- Index model changed to distributed cluster model, and now oriented to aggregate search results from network instances trough API
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- Refactored data exchange model where drop all internal keys dependencies
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- Snaps now using tar.gz compression to reduce storage requirements and still supporting remote mirrors, FTP including
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- Minimalism everywhere
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## Implementation
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Engine written in PHP 8 and uses [Manticore](https://github.com/manticoresoftware) on backend.
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Default build adapted for [Yggdrasil](https://github.com/yggdrasil-network) but could be used to make internet search portal.
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## Components
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* CLI tools for index operations
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* JS-less frontend to make search web portal
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* API tools to make search index distributed
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## Features
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* MIME-based crawler with flexible filter settings
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* Page snap history with local and remote mirrors support
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### Install
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1. Install `composer`, `php` and `manticore`
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2. Grab latest `Yo` version `git clone https://github.com/YGGverse/Yo.git`
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3. Run `composer update` inside the project directory
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4. Copy and customize config file `cp example/config.json config.json`
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5. Make sure `storage` folder writable
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6. Run indexes init script `php src/cli/index/init.php`
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7. Add new URL `php src/cli/document/add.php URL`
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8. Run crawler `php src/cli/document/crawl.php`
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9. Get search results `php src/cli/document/search.php '*'`
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#### Web UI
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1. `cd src/webui`
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2. `php -S 127.0.0.1:8080`
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3. now open `127.0.0.1:8080` in your browser!
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## Documentation
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### CLI
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#### Index
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##### Init
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Create initial index
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```
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php src/cli/index/init.php [reset]
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```
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* `reset` - optional, reset existing index
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#### Document
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##### Add
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```
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php src/cli/document/add.php URL
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```
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* `URL` - add new URL to the crawl queue
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##### Crawl
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```
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php src/cli/document/crawl.php
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```
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##### Search
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```
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php src/cli/document/search.php '@title "*"' [limit]
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```
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* `query` - required
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* `limit` - optional search results limit
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##### Migration
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###### YGGo
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Import index from YGGo database
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```
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php src/cli/yggo/import.php 'host' 'port' 'user' 'password' 'database' [unique=off] [start=0] [limit=100]
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```
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Source DB fields required:
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* `host`
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* `port`
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* `user`
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* `password`
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* `database`
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* `unique` - optional, check for unique URL (takes more time)
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* `start` - optional, offset to start queue
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* `limit` - optional, limit queue
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