====== DownloadHandler ======

**Layer:** ''Handler'' · **Source:** ''lib/handler/DownloadHandler.php:18'' (lines 18–70)

----
<code>
class DownloadHandler implements FrontRequestHandler
</code>

Renders the download page or handles file download requests.

When the URI contains a "/file" suffix the handler delegates to the
DownloadController to stream the file. Otherwise it renders the
download information page via the theme renderer.

======= Inheritance =======

^ Relation ^ Type ^ Meaning ^
| implements | [[scriptlog:lib:handler:frontrequesthandler|''FrontRequestHandler'']] | contract |

======= Constants (0) =======

//None.//

======= Properties (2) =======

^ Visibility ^ Type ^ Name ^ Default ^ Line ^
| ''private'' | [[scriptlog:lib:core:themerendererinterface|''ThemeRendererInterface'']] | ''$renderer'' |  | 25 |
| ''private'' | [[scriptlog:lib:controller:downloadcontroller|''?DownloadController'']] | ''$downloadController'' |  | 32 |

======= Methods (2) =======

^ Visibility ^ Method ^ Summary ^ Line ^
| public | ''__construct()'' | Construct a new DownloadHandler. | 40 |
| public | ''handle()'' | Handle an incoming front-end request. | 51 |


======== __construct() ========

<code>
public function __construct(ThemeRendererInterface $renderer, ?DownloadController $downloadController = null)
</code>

//lines 40–46 (7)//

Construct a new DownloadHandler.

^  Parameter ^  Type ^  Default ^  Description ^
|  ''$renderer'' |  [[scriptlog:lib:core:themerendererinterface|''ThemeRendererInterface'']] |  //required// |  The theme renderer instance. |
|  ''$downloadController'' |  [[scriptlog:lib:controller:downloadcontroller|''?DownloadController'']] |  ''null'' |  Optional controller for file downloads. |


======== handle() ========

<code>
public function handle(array $params): void
</code>

//lines 51–69 (19)//

Documentation inherited from [[scriptlog:lib:handler:frontrequesthandler|''Scriptlog\Handler\FrontRequestHandler'']].

Handle an incoming front-end request.

Implementations should validate the parameters, check that the
requested content exists (if applicable), and render the appropriate
theme template via the ThemeRendererInterface instance.

^  Parameter ^  Type ^  Default ^  Description ^
|  ''$params'' |  ''array'' |  //required// |  Parsed route parameters (e.g. ['value' => '...']). |

**Returns:** ''void'' — void

======= Imports =======

^ Alias ^ Fully-qualified name ^
| ''DownloadController'' | [[scriptlog:lib:controller:downloadcontroller|''Scriptlog\Controller\DownloadController'']] |
| ''ThemeRendererInterface'' | [[scriptlog:lib:core:themerendererinterface|''Scriptlog\Core\ThemeRendererInterface'']] |


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