Application.php
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Application.php
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	<?php

	namespace Waystone\Apps\OrbeonForms\Reader;

	use Waystone\Apps\OrbeonForms\Forms\Form;
	use Waystone\Workspaces\Engines\Apps\Application as BaseApplication;
	use Waystone\Workspaces\Engines\Errors\ErrorHandling;

	use Keruald\Database\Engines\PDOEngine;
	use Keruald\OmniTools\Collections\Vector;
	use Keruald\OmniTools\DataTypes\Option\None;
	use Keruald\OmniTools\DataTypes\Option\Option;
	use Keruald\OmniTools\DataTypes\Option\Some;

	use ErrorPageController;
	use FooterController;
	use HeaderController;

	class Application extends BaseApplication {

	private PDOEngine $db;

	protected function onAfterInitialize () : void {
	/** @var ApplicationConfiguration $config */
	$config = $this->context->configuration;

	$this->db = PDOEngine::initialize($config->orbeonDatabase);
	}

	///
	/// Controller methods
	///

	/**
	* Serves the application index page
	* @param Vector<Form> $forms
	*/
	private function index (Vector $forms) : void {
	$count = $forms->count();

	if ($count == 0) {
	ErrorHandling::messageAndDie(GENERAL_ERROR, "No form set in workspace configuration");
	}

	if ($count == 1) {
	$slug = $forms[0]["slug"];
	$this->redirectTo($slug);
	}

	///
	/// View: List of forms
	///

	$smarty = $this->context->templateEngine;

	// List of forms, with their URL
	$forms = $forms->map(function ($form) {
	return [
	"name" => $form["name"],
	"url" => $this->buildUrl($form["slug"]),
	];
	});

	// Header
	$smarty->assign("PAGE_TITLE", "Forms");
	HeaderController::run($this->context);

	// Body
	$smarty->display("apps/_blocks/page_header.tpl");

	$smarty->assign("items", $forms);
	$smarty->display("apps/_blocks/menu_items.tpl");

	// Footer
	FooterController::run($this->context);
	}

	private function formIndex (array $formConfig) : void {
	$form = new Form($this->db, $formConfig);
	$entries = $form->getAllEntries();

	///
	/// View: List of entries
	///

	$smarty = $this->context->templateEngine;

	$keys = $form->getIndexKeys();

	$url_base = $form->getSlug();
	$items = Vector::from($entries)
	->map(function ($entry) use ($url_base) {
	return $entry["data"] + [
	"url" => $this->buildUrl(
	$url_base . "/" . $entry["metadata"]["document_id"]
	),
	];
	});

	// Header
	$smarty->assign("PAGE_TITLE", $form->getName());
	HeaderController::run($this->context);

	// Body
	$smarty->display("apps/_blocks/page_header.tpl");

	$smarty->assign("keys", $keys);
	$smarty->assign("items", $items);
	$smarty->display("apps/_crud/list.tpl");

	// Footer
	FooterController::run($this->context);
	}

	private function formEntry (array $formConfig, string $document_id) {
	$form = new Form($this->db, $formConfig);
	$entry = $form->getEntry($document_id);
	$title = $entry->guessTitle();

	$content = $entry->getContent()
	->set("🗓️ Filing date", $entry->getDate());

	///
	/// View: Form entry
	///

	$smarty = $this->context->templateEngine;

	// Header
	$smarty->assign('PAGE_TITLE', $form->getName());
	$smarty->assign('custom_css', "dd {white-space: pre-line;}");
	HeaderController::run($this->context);

	// Body
	$smarty->display("apps/_blocks/page_header.tpl");

	echo '<div class="row"><h2>', $title, '</h2></div>';
	$smarty->assign('items', $content);
	$smarty->display("apps/_blocks/dl.tpl");

	if ($entry->hasAttachments()) {
	$smarty->assign("alert_level", "info");
	$smarty->assign("alert_note", "📎 This form has documents attached.");
	$smarty->display("apps/_blocks/alert.tpl");
	}

	$view_url = $form->getOrbeonBaseUrl() . "/view/" . $document_id;
	echo '<div class="row">';
	echo '<p>➕ <a href="' . $view_url . '">View full form on Orbeon</a></p>';
	echo '<p>↩ <a href="' . $this->buildUrl($form->getSlug()) . '">Back to list</a></p>';
	echo '</div>';

	// Footer
	FooterController::run($this->context);
	}

	///
	/// Controller handler
	///

	public function handleRequest () {
	/** @var ApplicationConfiguration $config */
	$config = $this->context->configuration;
	$forms = Vector::from($config->forms);

	$argc = count($this->context->url);

	if ($argc == 1) {
	$this->index($forms);
	return;
	}

	$form = $this->get_form_config($this->context->url[1]);
	if ($form->isNone()) {
	// URL points to a non-existing form
	ErrorPageController::show($this->context, 404);
	exit;
	}

	if ($argc == 2) {
	$this->formIndex($form->getValue());
	exit;
	}

	if ($argc == 3) {
	$document_id = $this->context->url[2];

	if (ctype_xdigit($document_id)) {
	// URL points to a form entry
	$this->formEntry($form->getValue(), $this->context->url[2]);
	exit;
	}
	}

	// Unknown URL
	ErrorPageController::show($this->context, 404);
	exit;
	}

	private function buildUrl (string $slug) : string {
	return "/" . Vector::from([
	$this->context->workspace->code,
	$this->context->configuration->bind,
	$slug,
	])->implode("/");
	}

	private function redirectTo (mixed $slug) : never {
	$url = $this->buildUrl($slug);

	header("Location: $url");
	exit;
	}

	/**
	* @return Option<array<string, mixed>>
	*/
	private function get_form_config (string $slug) : Option {
	/** @var ApplicationConfiguration $config */
	$config = $this->context->configuration;

	foreach ($config->forms as $form) {
	if ($form["slug"] == $slug) {
	return new Some($form);
	}
	}

	return new None;
	}

	}

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