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LinkDB: prefix private members with an underscore

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Relates to #95, #218

Signed-off-by: VirtualTam <virtualtam@flibidi.net>
This commit is contained in:
VirtualTam 2015-07-09 21:07:37 +02:00
parent e92f1ba59e
commit 07b6fa750b
3 changed files with 74 additions and 74 deletions
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124
application/LinkDB.php
View file

@ -28,7 +28,7 @@
class LinkDB implements Iterator, Countable, ArrayAccess
{
// Links are stored as a PHP serialized string
private $datastore;
private $_datastore;
// Datastore PHP prefix
protected static $phpPrefix = '<?php /* ';
@ -39,23 +39,23 @@ class LinkDB implements Iterator, Countable, ArrayAccess
// List of links (associative array)
// - key: link date (e.g. "20110823_124546"),
// - value: associative array (keys: title, description...)
private $links;
private $_links;
// List of all recorded URLs (key=url, value=linkdate)
// for fast reserve search (url-->linkdate)
private $urls;
private $_urls;
// List of linkdate keys (for the Iterator interface implementation)
private $keys;
private $_keys;
// Position in the $this->keys array (for the Iterator interface)
private $position;
// Position in the $this->_keys array (for the Iterator interface)
private $_position;
// Is the user logged in? (used to filter private links)
private $loggedIn;
private $_loggedIn;
// Hide public links
private $hidePublicLinks;
private $_hidePublicLinks;
/**
* Creates a new LinkDB
@ -66,11 +66,11 @@ class LinkDB implements Iterator, Countable, ArrayAccess
*/
function __construct($datastore, $isLoggedIn, $hidePublicLinks)
{
$this->datastore = $datastore;
$this->loggedIn = $isLoggedIn;
$this->hidePublicLinks = $hidePublicLinks;
$this->checkDB();
$this->readdb();
$this->_datastore = $datastore;
$this->_loggedIn = $isLoggedIn;
$this->_hidePublicLinks = $hidePublicLinks;
$this->_checkDB();
$this->_readDB();
}
/**
@ -78,7 +78,7 @@ class LinkDB implements Iterator, Countable, ArrayAccess
*/
public function count()
{
return count($this->links);
return count($this->_links);
}
/**
@ -87,7 +87,7 @@ class LinkDB implements Iterator, Countable, ArrayAccess
public function offsetSet($offset, $value)
{
// TODO: use exceptions instead of "die"
if (!$this->loggedIn) {
if (!$this->_loggedIn) {
die('You are not authorized to add a link.');
}
if (empty($value['linkdate']) || empty($value['url'])) {
@ -96,8 +96,8 @@ class LinkDB implements Iterator, Countable, ArrayAccess
if (empty($offset)) {
die('You must specify a key.');
}
$this->links[$offset] = $value;
$this->urls[$value['url']]=$offset;
$this->_links[$offset] = $value;
$this->_urls[$value['url']]=$offset;
}
/**
@ -105,7 +105,7 @@ class LinkDB implements Iterator, Countable, ArrayAccess
*/
public function offsetExists($offset)
{
return array_key_exists($offset, $this->links);
return array_key_exists($offset, $this->_links);
}
/**
@ -113,13 +113,13 @@ class LinkDB implements Iterator, Countable, ArrayAccess
*/
public function offsetUnset($offset)
{
if (!$this->loggedIn) {
if (!$this->_loggedIn) {
// TODO: raise an exception
die('You are not authorized to delete a link.');
}
$url = $this->links[$offset]['url'];
unset($this->urls[$url]);
unset($this->links[$offset]);
$url = $this->_links[$offset]['url'];
unset($this->_urls[$url]);
unset($this->_links[$offset]);
}
/**
@ -127,7 +127,7 @@ class LinkDB implements Iterator, Countable, ArrayAccess
*/
public function offsetGet($offset)
{
return isset($this->links[$offset]) ? $this->links[$offset] : null;
return isset($this->_links[$offset]) ? $this->_links[$offset] : null;
}
/**
@ -135,7 +135,7 @@ class LinkDB implements Iterator, Countable, ArrayAccess
*/
function current()
{
return $this->links[$this->keys[$this->position]];
return $this->_links[$this->_keys[$this->_position]];
}
/**
@ -143,7 +143,7 @@ class LinkDB implements Iterator, Countable, ArrayAccess
*/
function key()
{
return $this->keys[$this->position];
return $this->_keys[$this->_position];
}
/**
@ -151,7 +151,7 @@ class LinkDB implements Iterator, Countable, ArrayAccess
*/
function next()
{
++$this->position;
++$this->_position;
}
/**
@ -161,9 +161,9 @@ class LinkDB implements Iterator, Countable, ArrayAccess
*/
function rewind()
{
$this->keys = array_keys($this->links);
rsort($this->keys);
$this->position = 0;
$this->_keys = array_keys($this->_links);
rsort($this->_keys);
$this->_position = 0;
}
/**
@ -171,7 +171,7 @@ class LinkDB implements Iterator, Countable, ArrayAccess
*/
function valid()
{
return isset($this->keys[$this->position]);
return isset($this->_keys[$this->_position]);
}
/**
@ -179,14 +179,14 @@ class LinkDB implements Iterator, Countable, ArrayAccess
*
* If no DB file is found, creates a dummy DB.
*/
private function checkDB()
private function _checkDB()
{
if (file_exists($this->datastore)) {
if (file_exists($this->_datastore)) {
return;
}
// Create a dummy database for example
$this->links = array();
$this->_links = array();
$link = array(
'title'=>' Shaarli: the personal, minimalist, super-fast, no-database delicious clone',
'url'=>'https://github.com/shaarli/Shaarli/wiki',
@ -199,7 +199,7 @@ You use the community supported version of the original Shaarli project, by Seba
'linkdate'=> date('Ymd_His'),
'tags'=>'opensource software'
);
$this->links[$link['linkdate']] = $link;
$this->_links[$link['linkdate']] = $link;
$link = array(
'title'=>'My secret stuff... - Pastebin.com',
@ -209,60 +209,60 @@ You use the community supported version of the original Shaarli project, by Seba
'linkdate'=> date('Ymd_His', strtotime('-1 minute')),
'tags'=>'secretstuff'
);
$this->links[$link['linkdate']] = $link;
$this->_links[$link['linkdate']] = $link;
// Write database to disk
// TODO: raise an exception if the file is not write-able
file_put_contents(
$this->datastore,
self::$phpPrefix.base64_encode(gzdeflate(serialize($this->links))).self::$phpSuffix
$this->_datastore,
self::$phpPrefix.base64_encode(gzdeflate(serialize($this->_links))).self::$phpSuffix
);
}
/**
* Reads database from disk to memory
*/
private function readdb()
private function _readDB()
{
// Public links are hidden and user not logged in => nothing to show
if ($this->hidePublicLinks && !$this->loggedIn) {
$this->links = array();
if ($this->_hidePublicLinks && !$this->_loggedIn) {
$this->_links = array();
return;
}
// Read data
// Note that gzinflate is faster than gzuncompress.
// See: http://www.php.net/manual/en/function.gzdeflate.php#96439
$this->links = array();
$this->_links = array();
if (file_exists($this->datastore)) {
$this->links = unserialize(gzinflate(base64_decode(
substr(file_get_contents($this->datastore),
if (file_exists($this->_datastore)) {
$this->_links = unserialize(gzinflate(base64_decode(
substr(file_get_contents($this->_datastore),
strlen(self::$phpPrefix), -strlen(self::$phpSuffix)))));
}
// If user is not logged in, filter private links.
if (!$this->loggedIn) {
if (!$this->_loggedIn) {
$toremove = array();
foreach ($this->links as $link) {
foreach ($this->_links as $link) {
if ($link['private'] != 0) {
$toremove[] = $link['linkdate'];
}
}
foreach ($toremove as $linkdate) {
unset($this->links[$linkdate]);
unset($this->_links[$linkdate]);
}
}
// Keep the list of the mapping URLs-->linkdate up-to-date.
$this->urls = array();
foreach ($this->links as $link) {
$this->urls[$link['url']] = $link['linkdate'];
$this->_urls = array();
foreach ($this->_links as $link) {
$this->_urls[$link['url']] = $link['linkdate'];
}
// Escape links data
foreach($this->links as &$link) {
foreach($this->_links as &$link) {
sanitizeLink($link);
}
}
@ -272,13 +272,13 @@ You use the community supported version of the original Shaarli project, by Seba
*/
public function savedb()
{
if (!$this->loggedIn) {
if (!$this->_loggedIn) {
// TODO: raise an Exception instead
die('You are not authorized to change the database.');
}
file_put_contents(
$this->datastore,
self::$phpPrefix.base64_encode(gzdeflate(serialize($this->links))).self::$phpSuffix
$this->_datastore,
self::$phpPrefix.base64_encode(gzdeflate(serialize($this->_links))).self::$phpSuffix
);
invalidateCaches();
}
@ -288,8 +288,8 @@ You use the community supported version of the original Shaarli project, by Seba
*/
public function getLinkFromUrl($url)
{
if (isset($this->urls[$url])) {
return $this->links[$this->urls[$url]];
if (isset($this->_urls[$url])) {
return $this->_links[$this->_urls[$url]];
}
return false;
}
@ -316,7 +316,7 @@ You use the community supported version of the original Shaarli project, by Seba
$search = mb_convert_case($searchterms, MB_CASE_LOWER, 'UTF-8');
$keys = array('title', 'description', 'url', 'tags');
foreach ($this->links as $link) {
foreach ($this->_links as $link) {
$found = false;
foreach ($keys as $key) {
@ -352,7 +352,7 @@ You use the community supported version of the original Shaarli project, by Seba
$searchtags = explode(' ', $t);
$filtered = array();
foreach ($this->links as $l) {
foreach ($this->_links as $l) {
$linktags = explode(
' ',
($casesensitive ? $l['tags']:mb_convert_case($l['tags'], MB_CASE_LOWER, 'UTF-8'))
@ -380,7 +380,7 @@ You use the community supported version of the original Shaarli project, by Seba
}
$filtered = array();
foreach ($this->links as $l) {
foreach ($this->_links as $l) {
if (startsWith($l['linkdate'], $day)) {
$filtered[$l['linkdate']] = $l;
}
@ -395,7 +395,7 @@ You use the community supported version of the original Shaarli project, by Seba
public function filterSmallHash($smallHash)
{
$filtered = array();
foreach ($this->links as $l) {
foreach ($this->_links as $l) {
if ($smallHash == smallHash($l['linkdate'])) {
// Yes, this is ugly and slow
$filtered[$l['linkdate']] = $l;
@ -412,7 +412,7 @@ You use the community supported version of the original Shaarli project, by Seba
public function allTags()
{
$tags = array();
foreach ($this->links as $link) {
foreach ($this->_links as $link) {
foreach (explode(' ', $link['tags']) as $tag) {
if (!empty($tag)) {
$tags[$tag] = (empty($tags[$tag]) ? 1 : $tags[$tag] + 1);
@ -431,7 +431,7 @@ You use the community supported version of the original Shaarli project, by Seba
public function days()
{
$linkDays = array();
foreach (array_keys($this->links) as $day) {
foreach (array_keys($this->_links) as $day) {
$linkDays[substr($day, 0, 8)] = 0;
}
$linkDays = array_keys($linkDays);

4
tests/LinkDBTest.php
View file

@ -103,7 +103,7 @@ class LinkDBTest extends PHPUnit_Framework_TestCase
unlink(self::$testDatastore);
$this->assertFileNotExists(self::$testDatastore);
$checkDB = self::getMethod('checkDB');
$checkDB = self::getMethod('_checkDB');
$checkDB->invokeArgs($linkDB, array());
$this->assertFileExists(self::$testDatastore);
@ -120,7 +120,7 @@ class LinkDBTest extends PHPUnit_Framework_TestCase
$datastoreSize = filesize(self::$testDatastore);
$this->assertGreaterThan(0, $datastoreSize);
$checkDB = self::getMethod('checkDB');
$checkDB = self::getMethod('_checkDB');
$checkDB->invokeArgs($linkDB, array());
// ensure the datastore is left unmodified

20
tests/utils/ReferenceLinkDB.php
View file

@ -4,9 +4,9 @@
*/
class ReferenceLinkDB
{
private $links = array();
private $publicCount = 0;
private $privateCount = 0;
private $_links = array();
private $_publicCount = 0;
private $_privateCount = 0;
/**
* Populates the test DB with reference data
@ -81,13 +81,13 @@ class ReferenceLinkDB
'linkdate' => $date,
'tags' => $tags,
);
$this->links[$date] = $link;
$this->_links[$date] = $link;
if ($private) {
$this->privateCount++;
$this->_privateCount++;
return;
}
$this->publicCount++;
$this->_publicCount++;
}
/**
@ -97,7 +97,7 @@ class ReferenceLinkDB
{
file_put_contents(
$filename,
'<?php /* '.base64_encode(gzdeflate(serialize($this->links))).' */ ?>'
'<?php /* '.base64_encode(gzdeflate(serialize($this->_links))).' */ ?>'
);
}
@ -106,7 +106,7 @@ class ReferenceLinkDB
*/
public function countLinks()
{
return $this->publicCount + $this->privateCount;
return $this->_publicCount + $this->_privateCount;
}
/**
@ -114,7 +114,7 @@ class ReferenceLinkDB
*/
public function countPublicLinks()
{
return $this->publicCount;
return $this->_publicCount;
}
/**
@ -122,7 +122,7 @@ class ReferenceLinkDB
*/
public function countPrivateLinks()
{
return $this->privateCount;
return $this->_privateCount;
}
}
?>