NotesService::get() - Code Metrics - Inspection of "New feature: set a note as favorite (star/unstar)..." - owncloud/notes - Measure and Improve Code Quality continuously with Scrutinizer

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created 2016-10-21 14:22 UTC

NotesService::get() A

↳ Parent: NotesService

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

Metric	Value
dl	0
loc	4
ccs	2
cts	2
cp	1
rs	10
c	0
b	0
f	0
cc	1
eloc	3
nc	1
nop	2
crap	1

<?php
/**
 * ownCloud - Notes
 *
 * This file is licensed under the Affero General Public License version 3 or
 * later. See the COPYING file.
 *
 * @author Bernhard Posselt <[email protected]>
 * @copyright Bernhard Posselt 2012, 2014
 */

namespace OCA\Notes\Service;

use OCP\IL10N;
use OCP\Files\IRootFolder;
use OCP\Files\Folder;

use OCA\Notes\Db\Note;

/**
 * Class NotesService
 *
 * @package OCA\Notes\Service
 */
class NotesService {

    private $l10n;
    private $root;

    /**
     * @param IRootFolder $root
     * @param IL10N $l10n
     */
    public function __construct (IRootFolder $root, IL10N $l10n) {
        $this->root = $root;
        $this->l10n = $l10n;
    }


    /**
     * @param string $userId
     * @return array with all notes in the current directory
     */
    public function getAll ($userId){
        $folder = $this->getFolderForUser($userId);
        $files = $folder->getDirectoryListing();
        $filesById = [];
        foreach($files as $file) {
            if($this->isNote($file)) {
                $filesById[$file->getId()] = $file;
            }
        }
        $tagger = \OC::$server->getTagManager()->load('files');
        if($tagger==null) {
            $tags = [];
        } else {
            $tags = $tagger->getTagsForObjects(array_keys($filesById));
        }

        $notes = [];
        foreach($filesById as $id=>$file) {
            $notes[] = Note::fromFile($file, array_key_exists($id, $tags) ? $tags[$id] : []);
        }

        return $notes;
    }


    /**
     * Used to get a single note by id
     * @param int $id the id of the note to get
     * @param string $userId
     * @throws NoteDoesNotExistException if note does not exist
     * @return Note
     */
    public function get ($id, $userId) {
        $folder = $this->getFolderForUser($userId);
        return Note::fromFile($this->getFileById($folder, $id), $this->getTags($id));
    }

    private function getTags ($id) {
        $tagger = \OC::$server->getTagManager()->load('files');
        if($tagger==null) {
            $tags = [];
        } else {
            $tags = $tagger->getTagsForObjects([$id]);
        }
        return array_key_exists($id, $tags) ? $tags[$id] : [];
    }

    /**
     * Creates a note and returns the empty note
     * @param string $userId
     * @see update for setting note content
     * @return Note the newly created note
     */
    public function create ($userId) {
        $title = $this->l10n->t('New note');
        $folder = $this->getFolderForUser($userId);

        // check new note exists already and we need to number it
        // pass -1 because no file has id -1 and that will ensure
        // to only return filenames that dont yet exist
        $path = $this->generateFileName($folder, $title, "txt", -1);
        $file = $folder->newFile($path);

        return Note::fromFile($file);
    }


    /**
     * Updates a note. Be sure to check the returned note since the title is
     * dynamically generated and filename conflicts are resolved
     * @param int $id the id of the note used to update
     * @param string $content the content which will be written into the note
     * the title is generated from the first line of the content
     * @throws NoteDoesNotExistException if note does not exist
     * @return \OCA\Notes\Db\Note the updated note
     */
    public function update ($id, $content, $userId){
        $folder = $this->getFolderForUser($userId);
        $file = $this->getFileById($folder, $id);

        // generate content from the first line of the title
        $splitContent = explode("\n", $content);
        $title = $splitContent[0];

        if(!$title) {
            $title = $this->l10n->t('New note');
        }

        // prevent directory traversal
        $title = str_replace(array('/', '\\'), '',  $title);
        // remove hash and space characters from the beginning of the filename
        // in case of markdown
        $title = ltrim($title, ' #');
        // using a maximum of 100 chars should be enough
        $title = mb_substr($title, 0, 100, "UTF-8");

        // generate filename if there were collisions
        $currentFilePath = $file->getPath();
        $basePath = '/' . $userId . '/files/Notes/';
        $fileExtension = pathinfo($file->getName(), PATHINFO_EXTENSION);
        $newFilePath = $basePath . $this->generateFileName($folder, $title, $fileExtension, $id);

        // if the current path is not the new path, the file has to be renamed
        if($currentFilePath !== $newFilePath) {
            $file->move($newFilePath);
        }

        $file->putContent($content);

        return Note::fromFile($file, $this->getTags($id));
    }


    /**
     * Set or unset a note as favorite.
     * @param int $id the id of the note used to update
     * @param boolean $favorite whether the note should be a favorite or not
     * @throws NoteDoesNotExistException if note does not exist
     * @return boolean the new favorite state of the note
     */
    public function favorite ($id, $favorite, $userId){
        $folder = $this->getFolderForUser($userId);
        $file = $this->getFileById($folder, $id);
        if(!$this->isNote($file)) {
            throw new NoteDoesNotExistException();
        }
        $tagger = \OC::$server->getTagManager()->load('files');
        if($favorite)
            $tagger->addToFavorites($id);
        else
            $tagger->removeFromFavorites($id);

        $tags = $tagger->getTagsForObjects([$id]);
        return in_array(\OC\Tags::TAG_FAVORITE, $tags[$id]);
    }


    /**
     * Deletes a note
     * @param int $id the id of the note which should be deleted
     * @param string $userId
     * @throws NoteDoesNotExistException if note does not
     * exist
     */
    public function delete ($id, $userId) {
        $folder = $this->getFolderForUser($userId);
        $file = $this->getFileById($folder, $id);
        $file->delete();
    }


    /**
     * @param Folder $folder
     * @param int $id
     * @throws NoteDoesNotExistException
     * @return \OCP\Files\File
     */
    private function getFileById ($folder, $id) {
        $file = $folder->getById($id);

        if(count($file) <= 0 || !$this->isNote($file[0])) {
            throw new NoteDoesNotExistException();
        }
        return $file[0];
    }


    /**
     * @param string $userId the user id
     * @return Folder
     */
    private function getFolderForUser ($userId) {
        $path = '/' . $userId . '/files/Notes';
        if ($this->root->nodeExists($path)) {
            $folder = $this->root->get($path);
        } else {
            $folder = $this->root->newFolder($path);
        }
        return $folder;
    }


    /**
     * get path of file and the title.txt and check if they are the same
     * file. If not the title needs to be renamed
     *
     * @param Folder $folder a folder to the notes directory
     * @param string $title the filename which should be used
     * @param string $extension the extension which should be used
     * @param int $id the id of the note for which the title should be generated
     * used to see if the file itself has the title and not a different file for
     * checking for filename collisions
     * @return string the resolved filename to prevent overwriting different
     * files with the same title
     */
    private function generateFileName (Folder $folder, $title, $extension, $id) {
        $path = $title . '.' . $extension;

        // if file does not exist, that name has not been taken. Similar we don't
        // need to handle file collisions if it is the filename did not change
        if (!$folder->nodeExists($path) || $folder->get($path)->getId() === $id) {
            return $path;
        } else {
            // increments name (2) to name (3)
            $match = preg_match('/\((?P<id>\d+)\)$/', $title, $matches);
            if($match) {
                $newId = ((int) $matches['id']) + 1;
                $newTitle = preg_replace('/(.*)\s\((\d+)\)$/',
                    '$1 (' . $newId . ')', $title);
            } else {
                $newTitle = $title . ' (2)';
            }
            return $this->generateFileName($folder, $newTitle, $extension, $id);
        }
    }

    /**
     * test if file is a note
     *
     * @param \OCP\Files\File $file
     * @return bool
     */
    private function isNote($file) {
        $allowedExtensions = ['txt', 'org', 'markdown', 'md', 'note'];

        if($file->getType() !== 'file') return false;
        if(!in_array(
            pathinfo($file->getName(), PATHINFO_EXTENSION),
            $allowedExtensions
        )) return false;

        return true;
    }

}


1		<?php
2		/**
3		* ownCloud - Notes
4		*
5		* This file is licensed under the Affero General Public License version 3 or
6		* later. See the COPYING file.
7		*
8		* @author Bernhard Posselt <[email protected]>
9		* @copyright Bernhard Posselt 2012, 2014
10		*/
11
12		namespace OCA\Notes\Service;
13
14		use OCP\IL10N;
15		use OCP\Files\IRootFolder;
16		use OCP\Files\Folder;
17
18		use OCA\Notes\Db\Note;
19
20		/**
21		* Class NotesService
22		*
23		* @package OCA\Notes\Service
24		*/
25		class NotesService {
26
27		private $l10n;
28		private $root;
29
30		/**
31		* @param IRootFolder $root
32		* @param IL10N $l10n
33		*/
34	11	public function __construct (IRootFolder $root, IL10N $l10n) {
35	11	$this->root = $root;
36	11	$this->l10n = $l10n;
37	11	}
38
39
40		/**
41		* @param string $userId
42		* @return array with all notes in the current directory
43		*/
44	1	public function getAll ($userId){
45	1	$folder = $this->getFolderForUser($userId);
46	1	$files = $folder->getDirectoryListing();
47	1	$filesById = [];
48		foreach($files as $file) {
49	1	if($this->isNote($file)) {
50	1	$filesById[$file->getId()] = $file;
51	1	}
52	1	}
53	1	$tagger = \OC::$server->getTagManager()->load('files');
54		if($tagger==null) {
55	1	$tags = [];
56		} else {
57		$tags = $tagger->getTagsForObjects(array_keys($filesById));
58		}
59
60		$notes = [];
61		foreach($filesById as $id=>$file) {
62		$notes[] = Note::fromFile($file, array_key_exists($id, $tags) ? $tags[$id] : []);
63		}
64
65		return $notes;
66	3	}
67	3
68	3
69		/**
70		* Used to get a single note by id
71		* @param int $id the id of the note to get
72		* @param string $userId
73		* @throws NoteDoesNotExistException if note does not exist
74		* @return Note
75		*/
76		public function get ($id, $userId) {
77		$folder = $this->getFolderForUser($userId);
78	2	return Note::fromFile($this->getFileById($folder, $id), $this->getTags($id));
79	2	}
80	2
81		private function getTags ($id) {
82		$tagger = \OC::$server->getTagManager()->load('files');
83		if($tagger==null) {
84		$tags = [];
85	2	} else {
86	2	$tags = $tagger->getTagsForObjects([$id]);
87		}
88	2	return array_key_exists($id, $tags) ? $tags[$id] : [];
89		}
90
91		/**
92		* Creates a note and returns the empty note
93		* @param string $userId
94		* @see update for setting note content
95		* @return Note the newly created note
96		*/
97		public function create ($userId) {
98		$title = $this->l10n->t('New note');
99		$folder = $this->getFolderForUser($userId);
100
101	2	// check new note exists already and we need to number it
102	2	// pass -1 because no file has id -1 and that will ensure
103	2	// to only return filenames that dont yet exist
104		$path = $this->generateFileName($folder, $title, "txt", -1);
105		$file = $folder->newFile($path);
106	2
107	2	return Note::fromFile($file);
108		}
109	2
110	1
111	1	/**
112		* Updates a note. Be sure to check the returned note since the title is
113		* dynamically generated and filename conflicts are resolved
114	2	* @param int $id the id of the note used to update
115		* @param string $content the content which will be written into the note
116		* the title is generated from the first line of the content
117	2	* @throws NoteDoesNotExistException if note does not exist
118		* @return \OCA\Notes\Db\Note the updated note
119	2	*/
120		public function update ($id, $content, $userId){
121		$folder = $this->getFolderForUser($userId);
122	2	$file = $this->getFileById($folder, $id);
123	2
124	2	// generate content from the first line of the title
125	2	$splitContent = explode("\n", $content);
126		$title = $splitContent[0];
127
128	2	if(!$title) {
129	2	$title = $this->l10n->t('New note');
130	2	}
131
132	2	// prevent directory traversal
133		$title = str_replace(array('/', '\\'), '', $title);
134	2	// remove hash and space characters from the beginning of the filename
135		// in case of markdown
136		$title = ltrim($title, ' #');
137		// using a maximum of 100 chars should be enough
138		$title = mb_substr($title, 0, 100, "UTF-8");
139
140		// generate filename if there were collisions
141		$currentFilePath = $file->getPath();
142		$basePath = '/' . $userId . '/files/Notes/';
143		$fileExtension = pathinfo($file->getName(), PATHINFO_EXTENSION);
144		$newFilePath = $basePath . $this->generateFileName($folder, $title, $fileExtension, $id);
145	3
146	3	// if the current path is not the new path, the file has to be renamed
147	3	if($currentFilePath !== $newFilePath) {
148	1	$file->move($newFilePath);
149	1	}
150
151		$file->putContent($content);
152
153		return Note::fromFile($file, $this->getTags($id));
154		}
155
156
157		/**
158	8	* Set or unset a note as favorite.
159	8	* @param int $id the id of the note used to update
160		* @param boolean $favorite whether the note should be a favorite or not
161	8	* @throws NoteDoesNotExistException if note does not exist
162	4	* @return boolean the new favorite state of the note
163		*/
164		public function favorite ($id, $favorite, $userId){
165	4	$folder = $this->getFolderForUser($userId);
166		$file = $this->getFileById($folder, $id);
167		if(!$this->isNote($file)) {
168		throw new NoteDoesNotExistException();
169		}
170		$tagger = \OC::$server->getTagManager()->load('files');
171		if($favorite)
172		$tagger->addToFavorites($id);
173	11	else
174	11	$tagger->removeFromFavorites($id);
175	11
176	11	$tags = $tagger->getTagsForObjects([$id]);
177	11	return in_array(\OC\Tags::TAG_FAVORITE, $tags[$id]);
178		}
179
180	11
181		/**
182		* Deletes a note
183		* @param int $id the id of the note which should be deleted
184		* @param string $userId
185		* @throws NoteDoesNotExistException if note does not
186		* exist
187		*/
188		public function delete ($id, $userId) {
189		$folder = $this->getFolderForUser($userId);
190		$file = $this->getFileById($folder, $id);
191		$file->delete();
192		}
193
194
195		/**
196		* @param Folder $folder
197	4	* @param int $id
198	4	* @throws NoteDoesNotExistException
199		* @return \OCP\Files\File
200		*/
201		private function getFileById ($folder, $id) {
202	4	$file = $folder->getById($id);
203	4
204		if(count($file) <= 0 \|\| !$this->isNote($file[0])) {
205		throw new NoteDoesNotExistException();
206	3	}
207	3	return $file[0];
208	3	}
209	3
210	3
211	3	/**
212	3	* @param string $userId the user id
213		* @return Folder
214	3	*/
215		private function getFolderForUser ($userId) {
216		$path = '/' . $userId . '/files/Notes';
217		if ($this->root->nodeExists($path)) {
218		$folder = $this->root->get($path);
219		} else {
220		$folder = $this->root->newFolder($path);
221		}
222		return $folder;
223		}
224	7
225	7
226		/**
227	7	* get path of file and the title.txt and check if they are the same
228	7	* file. If not the title needs to be renamed
229	7	*
230		* @param Folder $folder a folder to the notes directory
231	7	* @param string $title the filename which should be used
232		* @param string $extension the extension which should be used
233	5	* @param int $id the id of the note for which the title should be generated
234		* used to see if the file itself has the title and not a different file for
235		* checking for filename collisions
236		* @return string the resolved filename to prevent overwriting different
237		* files with the same title
238		*/
239		private function generateFileName (Folder $folder, $title, $extension, $id) {
240		$path = $title . '.' . $extension;
241
242		// if file does not exist, that name has not been taken. Similar we don't
243		// need to handle file collisions if it is the filename did not change
244		if (!$folder->nodeExists($path) \|\| $folder->get($path)->getId() === $id) {
245		return $path;
246		} else {
247		// increments name (2) to name (3)
248		$match = preg_match('/\((?P<id>\d+)\)$/', $title, $matches);
249		if($match) {
250		$newId = ((int) $matches['id']) + 1;
251		$newTitle = preg_replace('/(.*)\s\((\d+)\)$/',
252		'$1 (' . $newId . ')', $title);
253		} else {
254		$newTitle = $title . ' (2)';
255		}
256		return $this->generateFileName($folder, $newTitle, $extension, $id);
257		}
258		}
259
260		/**
261		* test if file is a note
262		*
263		* @param \OCP\Files\File $file
264		* @return bool
265		*/
266		private function isNote($file) {
267		$allowedExtensions = ['txt', 'org', 'markdown', 'md', 'note'];
268
269		if($file->getType() !== 'file') return false;
270		if(!in_array(
271		pathinfo($file->getName(), PATHINFO_EXTENSION),
272		$allowedExtensions
273		)) return false;
274
275		return true;
276		}
277
278		}
279

owncloud / notes

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NotesService::get() A

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