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Rain Halcyon

Halcyon is a file based ORM, and the cousin of Eloquent. The goal of this library is to create a solution for file based object storage that shares the same API as database stored models.

Registering a data source

Datasources reside inside a resolving container called October\Rain\Halcyon\Datasource\Resolver. The following datasources are supported:

  • October\Rain\Halcyon\Datasource\FileDatasource: File-based datasource.
  • October\Rain\Halcyon\Datasource\DbDatasource: Database-based datasource.
  • October\Rain\Halcyon\Datasource\AutoDatasource: Loads templates from multiple data sources.

Here is an example of registering a datasource called theme1, then binding the resolver to all models.

use October\Rain\Halcyon\Model;
use October\Rain\Filesystem\Filesystem;
use October\Rain\Halcyon\Datasource\FileDatasource;
use October\Rain\Halcyon\Datasource\Resolver;

$datasource = new FileDatasource('/path/to/theme', new Filesystem);
$resolver = new Resolver(['theme1' => $datasource]);
$resolver->setDefaultDatasource('theme1');
Model::setDatasourceResolver($resolver);

Model example

Inherit the October\Rain\Halcyon\Model to create a new model:

<?php

use October\Rain\Halcyon\Model;

class MyPage extends Model
{
    /**
     * @var array The attributes that are mass assignable.
     */
    protected $fillable = [
        'markup',
        'title',
    ];

    /**
     * @var string The container name associated with the model, eg: pages.
     */
    protected $dirName = 'pages';
}

The following attributes are reserved and have baked in functionality:

  • fileName: Reserved for the template file name.
  • content: Reserved for the complete file contents.
  • settings: Stores the template INI settings.
  • markup: Stores the template HTML markup.
  • code: Stores the template PHP code (optional).
  • mtime: Last modified time.

Now we are free to create a new page:

MyPage::create([
    'fileName' => 'my-file',
    'title' => 'Test page',
    'markup' => '<p>Hello world!</p>'
]);

Executing the above code will create a new file /path/to/theme/pages/my-file.htm, with the following contents:

title = "Test page"
 ==
<p>Hello world!</p>

We can find the page and use it later:

$page = MyPage::find('my-file');
echo '<h1>'.$page->title.'</h1>';
echo $page->markup;

If we change the file name, it will be renamed on the file system too:

// New file path: /path/to/theme/pages/renamed-file.htm
$page->fileName = 'renamed-file';
$page->save();