Template manager init

Signed-off-by: John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>

5 files changed, 379 insertions, 2 deletions

diff --git a/lib/AppInfo/Application.php b/lib/AppInfo/Application.php
index 83ba668d..fea4d0fe 100644
--- a/lib/AppInfo/Application.php
+++ b/lib/AppInfo/Application.php
@@ -2,6 +2,9 @@
 /**
  * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
  *
+ * @author Lukas Reschke <lukas@statuscode.ch>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
  * @license GNU AGPL version 3 or any later version
  *
  * This program is free software: you can redistribute it and/or modify
@@ -15,7 +18,7 @@
  * GNU Affero General Public License for more details.
  *
  * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
 
diff --git a/lib/Controller/OCSController.php b/lib/Controller/OCSController.php
index 14651409..f4156a66 100644
--- a/lib/Controller/OCSController.php
+++ b/lib/Controller/OCSController.php
@@ -3,6 +3,7 @@
  * @copyright Copyright (c) 2018, Roeland Jago Douma <roeland@famdouma.nl>
  *
  * @author Roeland Jago Douma <roeland@famdouma.nl>
+ * @author John Molakvoæ <skjnldsv@protonmail.com>
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -91,4 +92,22 @@ class OCSController extends \OCP\AppFramework\OCSController {
 			throw new OCSNotFoundException();
 		}
 	}
+
+	/**
+	 * @NoAdminRequired
+	 *
+	 * @param string $type The template id
+	 */
+	public function getTemplates(string $type) {
+
+	}
+
+	/**
+	 * @NoAdminRequired
+	 *
+	 * @param string $path Where to create the document
+	 * @param int $template The template id
+	 */
+	public function createFromTemplate(string $path, int $template) {
+	}
 }
diff --git a/lib/Controller/TemplatesController.php b/lib/Controller/TemplatesController.php
new file mode 100644
index 00000000..dabcdcea
--- /dev/null
+++ b/lib/Controller/TemplatesController.php
@@ -0,0 +1,154 @@
+<?php
+/**
+ * @copyright Copyright (c) 2018 John Molakvoæ <skjnldsv@protonmail.com>
+ *
+ * @author John Molakvoæ <skjnldsv@protonmail.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\Richdocuments\Controller;
+
+use OCA\Richdocuments\TemplateManager;
+use OCP\AppFramework\Controller;
+use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\DataDisplayResponse;
+use OCP\AppFramework\Http\JSONResponse;
+use OCP\AppFramework\Http\NotFoundResponse;
+use OCP\IL10N;
+use OCP\IRequest;
+use OC\Files\Filesystem;
+
+class TemplatesController extends Controller {
+
+	/** @var string */
+	protected $appName;
+
+	/** @var IRequest */
+	protected $request;
+
+	/** @var IL10N */
+	private $l10n;
+
+	/** @var TemplateManager */
+	private $manager;
+
+	/** @var int Max template size */
+	private $maxSize = 20 * 1024 * 1024;
+
+	/**
+	 * Controller
+	 *
+	 * @param string $appName
+	 * @param IRequest $request
+	 * @param L10N $l10n
+	 * @param TemplateManager $templateManager
+	 */
+	public function __construct(string $appName,
+								IRequest $request,
+								IL10N $l10n,
+								TemplateManager $templateManager) {
+		parent::__construct($appName, $request);
+
+		$this->appName = $appName;
+		$this->request = $request;
+		$this->l10n    = $l10n;
+		$this->manager = $templateManager;
+	}
+
+	/**
+	 * @NoAdminRequired
+	 * @NoCSRFRequired
+	 *
+	 * Get preview for a specific template
+	 *
+	 * @param string $templateName The template id
+	 * @return DataDisplayResponse|NotFoundResponse
+	 */
+	public function getPreview(string $templateName) {
+		try {
+			$template = $this->manager->get($templateName);
+
+			//return DataDisplayResponse($template->getPreview(), Http::STATUS_OK, ['Content-Type' => 'image/png']);
+		} catch (NotFoundException $e) {
+			return new NotFoundResponse();
+		}
+	}
+
+	/**
+	 * Add a global template
+	 *
+	 * @return JSONResponse
+	 */
+	public function add() {
+		$files = $this->request->getUploadedFile('files');
+
+		if (!is_null($files)) {
+			if ($files['error'][0] === 0
+				&& is_uploaded_file($files['tmp_name'][0])
+				&& !Filesystem::isFileBlacklisted($files['tmp_name'][0])) {
+
+				// TODO: ensure the size limit is decent for preview
+				if ($files['size'][0] > $this->maxSize) {
+					return new JSONResponse(
+						['data' => ['message' => $this->l10n->t('File is too big')]],
+						Http::STATUS_BAD_REQUEST
+					);
+				}
+
+				$templateName = $files['name'][0];
+				$templateFile = file_get_contents($files['tmp_name'][0]);
+
+				unlink($files['tmp_name'][0]);
+
+				$template = $this->manager->add($templateName, $templateFile);
+
+				return new JSONResponse(
+					['data' => ['data' => $template]],
+					Http::STATUS_CREATED
+				);
+			}
+		}
+
+		return new JSONResponse(
+			['data' => ['message' => $this->l10n->t('Invalid file provided')]],
+			Http::STATUS_BAD_REQUEST
+		);
+	}
+
+	/**
+	 * Delete a global template
+	 *
+	 * @param string $templateName
+	 * @return JSONResponse
+	 */
+	public function delete(string $templateName) {
+		try {
+			$manager->delete($templateName);
+
+			return new JSONResponse(
+				['data' => ['status' => 'success']],
+				Http::STATUS_NO_CONTENT
+			);
+		} catch (NotFoundException $e) {
+			return new JSONResponse(
+				['data' => ['message' => $this->l10n->t('Template not found')]],
+				Http::STATUS_NOT_FOUND
+			);
+		}
+	}
+}
diff --git a/lib/Settings/Admin.php b/lib/Settings/Admin.php
index 0bad4f7c..bb95371d 100644
--- a/lib/Settings/Admin.php
+++ b/lib/Settings/Admin.php
@@ -23,6 +23,7 @@
 
 namespace OCA\Richdocuments\Settings;
 
+use OCA\Richdocuments\TemplateManager;
 use OCP\AppFramework\Http\TemplateResponse;
 use OCP\Defaults;
 use OCP\IConfig;
@@ -30,13 +31,20 @@ use OCP\IL10N;
 use OCP\Settings\ISettings;
 
 class Admin implements ISettings {
+
 	/** @var IConfig */
 	private $config;
+
+	/** @var TemplateManager */
+	private $templateManager;
 	/**
 	 * @param IConfig $config
+	 * @param TemplateManager $templateManager
 	 */
-	public function __construct(IConfig $config) {
+	public function __construct(IConfig $config,
+								TemplateManager $templateManager) {
 		$this->config = $config;
+		$this->templateManager = $templateManager;
 	}
 	/**
 	 * @return TemplateResponse
@@ -52,6 +60,7 @@ class Admin implements ISettings {
 				'doc_format' => $this->config->getAppValue('richdocuments', 'doc_format'),
 				'external_apps' => $this->config->getAppValue('richdocuments', 'external_apps'),
 				'canonical_webroot' => $this->config->getAppValue('richdocuments', 'canonical_webroot'),
+				'templates' => $this->templateManager->getGlobals(),
 			],
 			'blank'
 		);
diff --git a/lib/TemplateManager.php b/lib/TemplateManager.php
new file mode 100644
index 00000000..64899f12
--- /dev/null
+++ b/lib/TemplateManager.php
@@ -0,0 +1,192 @@
+<?php
+/**
+ * @copyright Copyright (c) 2018 John Molakvoæ <skjnldsv@protonmail.com>
+ *
+ * @author John Molakvoæ <skjnldsv@protonmail.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\Richdocuments;
+
+use OCP\Files\Folder;
+use OCP\Files\IAppData;
+use OCP\Files\NotFoundException;
+use OCP\Files\SimpleFS\ISimpleFile;
+use OCP\Files\SimpleFS\ISimpleFolder;
+use OCP\IConfig;
+use OCP\IPreview;
+use OCP\IURLGenerator;
+use OC\Files\AppData\Factory;
+
+class TemplateManager {
+
+	/** @var string */
+	protected $appName;
+
+	/** @var string */
+	protected $userId;
+
+	/** @var IConfig */
+	private $config;
+
+	/** @var IAppData */
+	private $appData;
+
+	/** @var IURLGenerator */
+	private $urlGenerator;
+
+	/** @var ISimpleFolder */
+	private $folder;
+
+	/** @var Folder */
+	private $userFolder;
+
+	/** @var IPreview */
+	private $previewManager;
+
+	/** Accepted templates mime types */
+	const MIME_DOCUMENTS = [
+		'a', 'b', 'c'
+	];
+	const MIME_SHEETS = [
+		'aa', 'bb', 'cc'
+	];
+	const MIME_PRESENTATIONS = [
+		'aaa', 'bbb', 'ccc'
+	];
+
+	/** @var array Template mime types match */
+	static public $tplTypes = [
+		'document'     => self::MIME_DOCUMENTS,
+		'sheet'        => self::MIME_SHEETS,
+		'presentation' => self::MIME_PRESENTATIONS
+	];
+
+	/**
+	 * Template manager
+	 *
+	 * @param string $appName
+	 * @param string $userId
+	 * @param IConfig $config
+	 * @param Factory $appDataFactory
+	 * @param IURLGenerator $urlGenerator
+	 * @param IRootFolder $rootFolder
+	 * @param IPreview $previewManager
+	 */
+	public function __construct(string $appName,
+								string $userId,
+								IConfig $config,
+								Factory $appDataFactory,
+								IURLGenerator $urlGenerator,
+								IRootFolder $rootFolder,
+								IPreview $previewManager) {
+		$this->appName        = $appName;
+		$this->userId         = $userId;
+		$this->config         = $config;
+		$this->appData        = $appDataFactory->get($appName);
+		$this->urlGenerator   = $urlGenerator;
+		$this->userFolder     = $rootFolder->getUserFolder($userId);
+		$this->previewManager = $previewManager;
+
+		try {
+			$this->folder = $this->appData->getFolder('templates');
+		} catch (NotFoundException $e) {
+			$this->folder = $this->appData->newFolder('templates');
+		}
+	}
+
+	/**
+	 * Get template info
+	 *
+	 * @param string $templateName
+	 * @return array
+	 */
+	public function get(string $templateName) {
+		try {
+			// is this a global template ?
+			$template = $this->folder->getFile($templateName);
+		} catch (NotFoundException $e) {
+			// user defined template dir?
+			$templateDirID = $this->config->getUserValue($this->userId, $this->appName, 'template_dir', false);
+			try {
+				$templateDir = $this->userFolder->getById($templateDirID);
+			} catch (NotFoundException $e) {
+				// fallback to default template dir
+				try {
+					$templateDir = $this->userFolder->get('Templates');
+					$template    = $templateDir;
+				} catch (NotFoundException $e) {
+					return new NotFoundException();
+				}
+			}
+		}
+
+		var_dump($template);
+
+		return true;
+
+	}
+
+	/**
+	 * Get all global templates
+	 */
+	public function getGlobals() {
+		$templateFiles = $this->folder->getDirectoryListing();
+
+		return array_map(function (ISimpleFile $templateFile) {
+			return [
+				'name'    => $templateFile->getName(),
+				'preview' => $this->urlGenerator->linkToRoute('richdocuments.templates.getPreview', ['templateName' => $templateFile->getName()]),
+				'ext'     => $this->flipTypes[$templateFile->getMimeType()]
+			];
+		}, $templateFiles);
+	}
+
+	/**
+	 * Add a template to the global template folder
+	 *
+	 * @param string $templateName
+	 * @param string $templateFile
+	 * @return void
+	 */
+	public function add(string $templateName, string $templateFile) {
+		try {
+			$template = $this->folder->getFile($templateName);
+		} catch (NotFoundException $e) {
+			$template = $this->folder->newFile($templateName);
+		}
+		$template->putContent($templateFile);
+
+		return $this->getGlobals;
+	}
+
+	/**
+	 * Flip tplTypes to retrieve types by mime
+	 *
+	 * @return array
+	 */
+	private function flipTypes(): array{
+		$result = array();
+		foreach ($this::$tplTypes as $type => &$mime) {
+			$mime   = array_fill_keys($mime, $type);
+			$result = array_merge($result, $mime);
+		}
+
+		return $result;
+	}
+}