inc/poche/Poche.class.php

   1 <?php
   2 /**
   3  * poche, a read it later open source system
   4  *
   5  * @category   poche
   6  * @author     Nicolas Lœuillet <support@inthepoche.com>
   7  * @copyright  2013
   8  * @license    http://www.wtfpl.net/ see COPYING file
   9  */
  10
  11 class Poche
  12 {
  13     public static $canRenderTemplates = true;
  14     public static $configFileAvailable = true;
  15
  16     public $user;
  17     public $store;
  18     public $tpl;
  19     public $messages;
  20     public $pagination;
  21
  22     private $currentTheme = '';
  23     private $currentLanguage = '';
  24     private $notInstalledMessage = array();
  25
  26     # @todo make this dynamic (actually install themes and save them in the database including author information et cetera)
  27     private $installedThemes = array(
  28         'default' => array('requires' => array()),
  29         'dark' => array('requires' => array('default')),
  30         'dmagenta' => array('requires' => array('default')),
  31         'solarized' => array('requires' => array('default')),
  32         'solarized-dark' => array('requires' => array('default'))
  33     );
  34
  35     public function __construct()
  36     {
  37         if ($this->configFileIsAvailable()) {
  38             $this->init();
  39         }
  40
  41         if ($this->themeIsInstalled()) {
  42             $this->initTpl();
  43         }
  44
  45         if ($this->systemIsInstalled()) {
  46             $this->store = new Database();
  47             $this->messages = new Messages();
  48             # installation
  49             if (! $this->store->isInstalled()) {
  50                 $this->install();
  51             }
  52         }
  53     }
  54
  55     private function init()
  56     {
  57         Tools::initPhp();
  58         Session::$sessionName = 'poche';
  59         Session::init();
  60
  61         if (isset($_SESSION['poche_user']) && $_SESSION['poche_user'] != array()) {
  62             $this->user = $_SESSION['poche_user'];
  63         } else {
  64             # fake user, just for install & login screens
  65             $this->user = new User();
  66             $this->user->setConfig($this->getDefaultConfig());
  67         }
  68
  69         # l10n
  70         $language = $this->user->getConfigValue('language');
  71         putenv('LC_ALL=' . $language);
  72         setlocale(LC_ALL, $language);
  73         bindtextdomain($language, LOCALE);
  74         textdomain($language);
  75
  76         # Pagination
  77         $this->pagination = new Paginator($this->user->getConfigValue('pager'), 'p');
  78
  79         # Set up theme
  80         $themeDirectory = $this->user->getConfigValue('theme');
  81
  82         if ($themeDirectory === false) {
  83             $themeDirectory = DEFAULT_THEME;
  84         }
  85
  86         $this->currentTheme = $themeDirectory;
  87
  88         # Set up language
  89         $languageDirectory = $this->user->getConfigValue('language');
  90
  91         if ($languageDirectory === false) {
  92             $languageDirectory = DEFAULT_THEME;
  93         }
  94
  95         $this->currentLanguage = $languageDirectory;
  96     }
  97
  98     public function configFileIsAvailable() {
  99         if (! self::$configFileAvailable) {
 100             $this->notInstalledMessage[] = 'You have to rename inc/poche/config.inc.php.new to inc/poche/config.inc.php.';
 101
 102             return false;
 103         }
 104
 105         return true;
 106     }
 107
 108     public function themeIsInstalled() {
 109         $passTheme = TRUE;
 110         # Twig is an absolute requirement for Poche to function. Abort immediately if the Composer installer hasn't been run yet
 111         if (! self::$canRenderTemplates) {
 112             $this->notInstalledMessage[] = 'Twig does not seem to be installed. Please initialize the Composer installation to automatically fetch dependencies. Have a look at <a href="http://doc.inthepoche.com/doku.php?id=users:begin:install">the documentation.</a>';
 113             $passTheme = FALSE;
 114         }
 115
 116         if (! is_writable(CACHE)) {
 117             $this->notInstalledMessage[] = 'You don\'t have write access on cache directory.';
 118
 119             self::$canRenderTemplates = false;
 120
 121             $passTheme = FALSE;
 122         }
 123
 124         # Check if the selected theme and its requirements are present
 125         if ($this->getTheme() != '' && ! is_dir(THEME . '/' . $this->getTheme())) {
 126             $this->notInstalledMessage[] = 'The currently selected theme (' . $this->getTheme() . ') does not seem to be properly installed (Missing directory: ' . THEME . '/' . $this->getTheme() . ')';
 127
 128             self::$canRenderTemplates = false;
 129
 130             $passTheme = FALSE;
 131         }
 132
 133         foreach ($this->installedThemes[$this->getTheme()]['requires'] as $requiredTheme) {
 134             if (! is_dir(THEME . '/' . $requiredTheme)) {
 135                 $this->notInstalledMessage[] = 'The required "' . $requiredTheme . '" theme is missing for the current theme (' . $this->getTheme() . ')';
 136
 137                 self::$canRenderTemplates = false;
 138
 139                 $passTheme = FALSE;
 140             }
 141         }
 142
 143         if (!$passTheme) {
 144             return FALSE;
 145         }
 146
 147
 148         return true;
 149     }
 150
 151     /**
 152      * all checks before installation.
 153      * @todo move HTML to template
 154      * @return boolean
 155      */
 156     public function systemIsInstalled()
 157     {
 158         $msg = TRUE;
 159
 160         $configSalt = defined('SALT') ? constant('SALT') : '';
 161
 162         if (empty($configSalt)) {
 163             $this->notInstalledMessage[] = 'You have not yet filled in the SALT value in the config.inc.php file.';
 164             $msg = FALSE;
 165         }
 166         if (STORAGE == 'sqlite' && ! file_exists(STORAGE_SQLITE)) {
 167             Tools::logm('sqlite file doesn\'t exist');
 168             $this->notInstalledMessage[] = 'sqlite file doesn\'t exist, you can find it in install folder. Copy it in /db folder.';
 169             $msg = FALSE;
 170         }
 171         if (is_dir(ROOT . '/install') && ! DEBUG_POCHE) {
 172             $this->notInstalledMessage[] = 'you have to delete the /install folder before using poche.';
 173             $msg = FALSE;
 174         }
 175         if (STORAGE == 'sqlite' && ! is_writable(STORAGE_SQLITE)) {
 176             Tools::logm('you don\'t have write access on sqlite file');
 177             $this->notInstalledMessage[] = 'You don\'t have write access on sqlite file.';
 178             $msg = FALSE;
 179         }
 180
 181         if (! $msg) {
 182             return false;
 183         }
 184
 185         return true;
 186     }
 187
 188     public function getNotInstalledMessage() {
 189         return $this->notInstalledMessage;
 190     }
 191
 192     private function initTpl()
 193     {
 194         $loaderChain = new Twig_Loader_Chain();
 195
 196         # add the current theme as first to the loader chain so Twig will look there first for overridden template files
 197         try {
 198             $loaderChain->addLoader(new Twig_Loader_Filesystem(THEME . '/' . $this->getTheme()));
 199         } catch (Twig_Error_Loader $e) {
 200             # @todo isInstalled() should catch this, inject Twig later
 201             die('The currently selected theme (' . $this->getTheme() . ') does not seem to be properly installed (' . THEME . '/' . $this->getTheme() .' is missing)');
 202         }
 203
 204         # add all required themes to the loader chain
 205         foreach ($this->installedThemes[$this->getTheme()]['requires'] as $requiredTheme) {
 206             try {
 207                 $loaderChain->addLoader(new Twig_Loader_Filesystem(THEME . '/' . DEFAULT_THEME));
 208             } catch (Twig_Error_Loader $e) {
 209                 # @todo isInstalled() should catch this, inject Twig later
 210                 die('The required "' . $requiredTheme . '" theme is missing for the current theme (' . $this->getTheme() . ')');
 211             }
 212         }
 213
 214         if (DEBUG_POCHE) {
 215             $twig_params = array();
 216         } else {
 217             $twig_params = array('cache' => CACHE);
 218         }
 219
 220         $this->tpl = new Twig_Environment($loaderChain, $twig_params);
 221         $this->tpl->addExtension(new Twig_Extensions_Extension_I18n());
 222
 223         # filter to display domain name of an url
 224         $filter = new Twig_SimpleFilter('getDomain', 'Tools::getDomain');
 225         $this->tpl->addFilter($filter);
 226
 227         # filter for reading time
 228         $filter = new Twig_SimpleFilter('getReadingTime', 'Tools::getReadingTime');
 229         $this->tpl->addFilter($filter);
 230
 231         # filter for simple filenames in config view
 232         $filter = new Twig_SimpleFilter('getPrettyFilename', function($string) { return str_replace(ROOT, '', $string); });
 233         $this->tpl->addFilter($filter);
 234     }
 235
 236     private function install()
 237     {
 238         Tools::logm('poche still not installed');
 239         echo $this->tpl->render('install.twig', array(
 240             'token' => Session::getToken(),
 241             'theme' => $this->getTheme(),
 242             'poche_url' => Tools::getPocheUrl()
 243         ));
 244         if (isset($_GET['install'])) {
 245             if (($_POST['password'] == $_POST['password_repeat'])
 246                 && $_POST['password'] != "" && $_POST['login'] != "") {
 247                 # let's rock, install poche baby !
 248                 if ($this->store->install($_POST['login'], Tools::encodeString($_POST['password'] . $_POST['login'])))
 249                 {
 250                     Session::logout();
 251                     Tools::logm('poche is now installed');
 252                     Tools::redirect();
 253                 }
 254             }
 255             else {
 256                 Tools::logm('error during installation');
 257                 Tools::redirect();
 258             }
 259         }
 260         exit();
 261     }
 262
 263     public function getTheme() {
 264         return $this->currentTheme;
 265     }
 266
 267     public function getLanguage() {
 268         return $this->currentLanguage;
 269     }
 270
 271     public function getInstalledThemes() {
 272         $handle = opendir(THEME);
 273         $themes = array();
 274
 275         while (($theme = readdir($handle)) !== false) {
 276             # Themes are stored in a directory, so all directory names are themes
 277             # @todo move theme installation data to database
 278             if (! is_dir(THEME . '/' . $theme) || in_array($theme, array('..', '.', '.git'))) {
 279                 continue;
 280             }
 281
 282             $current = false;
 283
 284             if ($theme === $this->getTheme()) {
 285                 $current = true;
 286             }
 287
 288             $themes[] = array('name' => $theme, 'current' => $current);
 289         }
 290
 291         return $themes;
 292     }
 293
 294     public function getInstalledLanguages() {
 295         $handle = opendir(LOCALE);
 296         $languages = array();
 297
 298         while (($language = readdir($handle)) !== false) {
 299             # Languages are stored in a directory, so all directory names are languages
 300             # @todo move language installation data to database
 301             if (! is_dir(LOCALE . '/' . $language) || in_array($language, array('..', '.'))) {
 302                 continue;
 303             }
 304
 305             $current = false;
 306
 307             if ($language === $this->getLanguage()) {
 308                 $current = true;
 309             }
 310
 311             $languages[] = array('name' => $language, 'current' => $current);
 312         }
 313
 314         return $languages;
 315     }
 316
 317     public function getDefaultConfig()
 318     {
 319         return array(
 320             'pager' => PAGINATION,
 321             'language' => LANG,
 322             'theme' => DEFAULT_THEME
 323         );
 324     }
 325
 326     /**
 327      * Call action (mark as fav, archive, delete, etc.)
 328      */
 329     public function action($action, Url $url, $id = 0, $import = FALSE)
 330     {
 331         switch ($action)
 332         {
 333             case 'add':
 334                 $content = $url->extract();
 335
 336                 if ($this->store->add($url->getUrl(), $content['title'], $content['body'], $this->user->getId())) {
 337                     Tools::logm('add link ' . $url->getUrl());
 338                     $sequence = '';
 339                     if (STORAGE == 'postgres') {
 340                         $sequence = 'entries_id_seq';
 341                     }
 342                     $last_id = $this->store->getLastId($sequence);
 343                     if (DOWNLOAD_PICTURES) {
 344                         $content = filtre_picture($content['body'], $url->getUrl(), $last_id);
 345                         Tools::logm('updating content article');
 346                         $this->store->updateContent($last_id, $content, $this->user->getId());
 347                     }
 348                     if (!$import) {
 349                         $this->messages->add('s', _('the link has been added successfully'));
 350                     }
 351                 }
 352                 else {
 353                     if (!$import) {
 354                         $this->messages->add('e', _('error during insertion : the link wasn\'t added'));
 355                         Tools::logm('error during insertion : the link wasn\'t added ' . $url->getUrl());
 356                     }
 357                 }
 358
 359                 if (!$import) {
 360                     Tools::redirect('?view=home');
 361                 }
 362                 break;
 363             case 'delete':
 364                 $msg = 'delete link #' . $id;
 365                 if ($this->store->deleteById($id, $this->user->getId())) {
 366                     if (DOWNLOAD_PICTURES) {
 367                         remove_directory(ABS_PATH . $id);
 368                     }
 369                     $this->messages->add('s', _('the link has been deleted successfully'));
 370                 }
 371                 else {
 372                     $this->messages->add('e', _('the link wasn\'t deleted'));
 373                     $msg = 'error : can\'t delete link #' . $id;
 374                 }
 375                 Tools::logm($msg);
 376                 Tools::redirect();
 377                 break;
 378             case 'toggle_fav' :
 379                 $this->store->favoriteById($id, $this->user->getId());
 380                 Tools::logm('mark as favorite link #' . $id);
 381                 if (!$import) {
 382                     Tools::redirect();
 383                 }
 384                 break;
 385             case 'toggle_archive' :
 386                 $this->store->archiveById($id, $this->user->getId());
 387                 Tools::logm('archive link #' . $id);
 388                 if (!$import) {
 389                     Tools::redirect();
 390                 }
 391                 break;
 392             default:
 393                 break;
 394         }
 395     }
 396
 397     function displayView($view, $id = 0)
 398     {
 399         $tpl_vars = array();
 400
 401         switch ($view)
 402         {
 403             case 'config':
 404                 $dev = $this->getPocheVersion('dev');
 405                 $prod = $this->getPocheVersion('prod');
 406                 $compare_dev = version_compare(POCHE, $dev);
 407                 $compare_prod = version_compare(POCHE, $prod);
 408                 $themes = $this->getInstalledThemes();
 409                 $languages = $this->getInstalledLanguages();
 410                 $tpl_vars = array(
 411                     'themes' => $themes,
 412                     'languages' => $languages,
 413                     'dev' => $dev,
 414                     'prod' => $prod,
 415                     'compare_dev' => $compare_dev,
 416                     'compare_prod' => $compare_prod,
 417                 );
 418                 Tools::logm('config view');
 419                 break;
 420             case 'view':
 421                 $entry = $this->store->retrieveOneById($id, $this->user->getId());
 422                 if ($entry != NULL) {
 423                     Tools::logm('view link #' . $id);
 424                     $content = $entry['content'];
 425                     if (function_exists('tidy_parse_string')) {
 426                         $tidy = tidy_parse_string($content, array('indent'=>true, 'show-body-only' => true), 'UTF8');
 427                         $tidy->cleanRepair();
 428                         $content = $tidy->value;
 429                     }
 430
 431                     # flattr checking
 432                     $flattr = new FlattrItem();
 433                     $flattr->checkItem($entry['url'],$entry['id']);
 434
 435                     $tpl_vars = array(
 436                     'entry' => $entry,
 437                     'content' => $content,
 438                     'flattr' => $flattr
 439                     );
 440                 }
 441                 else {
 442                     Tools::logm('error in view call : entry is null');
 443                 }
 444                 break;
 445             default: # home, favorites and archive views
 446                 $entries = $this->store->getEntriesByView($view, $this->user->getId());
 447                 $tpl_vars = array(
 448                     'entries' => '',
 449                     'page_links' => '',
 450                     'nb_results' => '',
 451                 );
 452
 453                 if (count($entries) > 0) {
 454                     $this->pagination->set_total(count($entries));
 455                     $page_links = $this->pagination->page_links('?view=' . $view . '&sort=' . $_SESSION['sort'] . '&');
 456                     $datas = $this->store->getEntriesByView($view, $this->user->getId(), $this->pagination->get_limit());
 457                     $tpl_vars['entries'] = $datas;
 458                     $tpl_vars['page_links'] = $page_links;
 459                     $tpl_vars['nb_results'] = count($entries);
 460                 }
 461                 Tools::logm('display ' . $view . ' view');
 462                 break;
 463         }
 464
 465         return $tpl_vars;
 466     }
 467
 468     /**
 469      * update the password of the current user.
 470      * if MODE_DEMO is TRUE, the password can't be updated.
 471      * @todo add the return value
 472      * @todo set the new password in function header like this updatePassword($newPassword)
 473      * @return boolean
 474      */
 475     public function updatePassword()
 476     {
 477         if (MODE_DEMO) {
 478             $this->messages->add('i', _('in demo mode, you can\'t update your password'));
 479             Tools::logm('in demo mode, you can\'t do this');
 480             Tools::redirect('?view=config');
 481         }
 482         else {
 483             if (isset($_POST['password']) && isset($_POST['password_repeat'])) {
 484                 if ($_POST['password'] == $_POST['password_repeat'] && $_POST['password'] != "") {
 485                     $this->messages->add('s', _('your password has been updated'));
 486                     $this->store->updatePassword($this->user->getId(), Tools::encodeString($_POST['password'] . $this->user->getUsername()));
 487                     Session::logout();
 488                     Tools::logm('password updated');
 489                     Tools::redirect();
 490                 }
 491                 else {
 492                     $this->messages->add('e', _('the two fields have to be filled & the password must be the same in the two fields'));
 493                     Tools::redirect('?view=config');
 494                 }
 495             }
 496         }
 497     }
 498
 499     public function updateTheme()
 500     {
 501         # no data
 502         if (empty($_POST['theme'])) {
 503         }
 504
 505         # we are not going to change it to the current theme...
 506         if ($_POST['theme'] == $this->getTheme()) {
 507             $this->messages->add('w', _('still using the "' . $this->getTheme() . '" theme!'));
 508             Tools::redirect('?view=config');
 509         }
 510
 511         $themes = $this->getInstalledThemes();
 512         $actualTheme = false;
 513
 514         foreach ($themes as $theme) {
 515             if ($theme['name'] == $_POST['theme']) {
 516                 $actualTheme = true;
 517                 break;
 518             }
 519         }
 520
 521         if (! $actualTheme) {
 522             $this->messages->add('e', _('that theme does not seem to be installed'));
 523             Tools::redirect('?view=config');
 524         }
 525
 526         $this->store->updateUserConfig($this->user->getId(), 'theme', $_POST['theme']);
 527         $this->messages->add('s', _('you have changed your theme preferences'));
 528
 529         $currentConfig = $_SESSION['poche_user']->config;
 530         $currentConfig['theme'] = $_POST['theme'];
 531
 532         $_SESSION['poche_user']->setConfig($currentConfig);
 533
 534         Tools::redirect('?view=config');
 535     }
 536
 537     public function updateLanguage()
 538     {
 539         # no data
 540         if (empty($_POST['language'])) {
 541         }
 542
 543         # we are not going to change it to the current language...
 544         if ($_POST['language'] == $this->getLanguage()) {
 545             $this->messages->add('w', _('still using the "' . $this->getLanguage() . '" language!'));
 546             Tools::redirect('?view=config');
 547         }
 548
 549         $languages = $this->getInstalledLanguages();
 550         $actualLanguage = false;
 551
 552         foreach ($languages as $language) {
 553             if ($language['name'] == $_POST['language']) {
 554                 $actualLanguage = true;
 555                 break;
 556             }
 557         }
 558
 559         if (! $actualLanguage) {
 560             $this->messages->add('e', _('that language does not seem to be installed'));
 561             Tools::redirect('?view=config');
 562         }
 563
 564         $this->store->updateUserConfig($this->user->getId(), 'language', $_POST['language']);
 565         $this->messages->add('s', _('you have changed your language preferences'));
 566
 567         $currentConfig = $_SESSION['poche_user']->config;
 568         $currentConfig['language'] = $_POST['language'];
 569
 570         $_SESSION['poche_user']->setConfig($currentConfig);
 571
 572         Tools::redirect('?view=config');
 573     }
 574
 575     /**
 576      * checks if login & password are correct and save the user in session.
 577      * it redirects the user to the $referer link
 578      * @param  string $referer the url to redirect after login
 579      * @todo add the return value
 580      * @return boolean
 581      */
 582     public function login($referer)
 583     {
 584         if (!empty($_POST['login']) && !empty($_POST['password'])) {
 585             $user = $this->store->login($_POST['login'], Tools::encodeString($_POST['password'] . $_POST['login']));
 586             if ($user != array()) {
 587                 # Save login into Session
 588                 Session::login($user['username'], $user['password'], $_POST['login'], Tools::encodeString($_POST['password'] . $_POST['login']), array('poche_user' => new User($user)));
 589                 $this->messages->add('s', _('welcome to your poche'));
 590                 Tools::logm('login successful');
 591                 Tools::redirect($referer);
 592             }
 593             $this->messages->add('e', _('login failed: bad login or password'));
 594             Tools::logm('login failed');
 595             Tools::redirect();
 596         } else {
 597             $this->messages->add('e', _('login failed: you have to fill all fields'));
 598             Tools::logm('login failed');
 599             Tools::redirect();
 600         }
 601     }
 602
 603     /**
 604      * log out the poche user. It cleans the session.
 605      * @todo add the return value
 606      * @return boolean
 607      */
 608     public function logout()
 609     {
 610         $this->user = array();
 611         Session::logout();
 612         $this->messages->add('s', _('see you soon!'));
 613         Tools::logm('logout');
 614         Tools::redirect();
 615     }
 616
 617     /**
 618      * import from Instapaper. poche needs a ./instapaper-export.html file
 619      * @todo add the return value
 620      * @param string $targetFile the file used for importing
 621      * @return boolean
 622      */
 623     private function importFromInstapaper($targetFile)
 624     {
 625         # TODO gestion des articles favs
 626         $html = new simple_html_dom();
 627         $html->load_file($targetFile);
 628         Tools::logm('starting import from instapaper');
 629
 630         $read = 0;
 631         $errors = array();
 632         foreach($html->find('ol') as $ul)
 633         {
 634             foreach($ul->find('li') as $li)
 635             {
 636                 $a = $li->find('a');
 637                 $url = new Url(base64_encode($a[0]->href));
 638                 $this->action('add', $url, 0, TRUE);
 639                 if ($read == '1') {
 640                     $sequence = '';
 641                     if (STORAGE == 'postgres') {
 642                         $sequence = 'entries_id_seq';
 643                     }
 644                     $last_id = $this->store->getLastId($sequence);
 645                     $this->action('toggle_archive', $url, $last_id, TRUE);
 646                 }
 647             }
 648
 649             # the second <ol> is for read links
 650             $read = 1;
 651         }
 652         $this->messages->add('s', _('import from instapaper completed'));
 653         Tools::logm('import from instapaper completed');
 654         Tools::redirect();
 655     }
 656
 657     /**
 658      * import from Pocket. poche needs a ./ril_export.html file
 659      * @todo add the return value
 660      * @param string $targetFile the file used for importing
 661      * @return boolean
 662      */
 663     private function importFromPocket($targetFile)
 664     {
 665         # TODO gestion des articles favs
 666         $html = new simple_html_dom();
 667         $html->load_file($targetFile);
 668         Tools::logm('starting import from pocket');
 669
 670         $read = 0;
 671         $errors = array();
 672         foreach($html->find('ul') as $ul)
 673         {
 674             foreach($ul->find('li') as $li)
 675             {
 676                 $a = $li->find('a');
 677                 $url = new Url(base64_encode($a[0]->href));
 678                 $this->action('add', $url, 0, TRUE);
 679                 if ($read == '1') {
 680                         $sequence = '';
 681                         if (STORAGE == 'postgres') {
 682                             $sequence = 'entries_id_seq';
 683                         }
 684                     $last_id = $this->store->getLastId($sequence);
 685                     $this->action('toggle_archive', $url, $last_id, TRUE);
 686                 }
 687             }
 688
 689             # the second <ul> is for read links
 690             $read = 1;
 691         }
 692         $this->messages->add('s', _('import from pocket completed'));
 693         Tools::logm('import from pocket completed');
 694         Tools::redirect();
 695     }
 696
 697     /**
 698      * import from Readability. poche needs a ./readability file
 699      * @todo add the return value
 700      * @param string $targetFile the file used for importing
 701      * @return boolean
 702      */
 703     private function importFromReadability($targetFile)
 704     {
 705         # TODO gestion des articles lus / favs
 706         $str_data = file_get_contents($targetFile);
 707         $data = json_decode($str_data,true);
 708         Tools::logm('starting import from Readability');
 709         $count = 0;
 710         foreach ($data as $key => $value) {
 711             $url = NULL;
 712             $favorite = FALSE;
 713             $archive = FALSE;
 714             foreach ($value as $attr => $attr_value) {
 715                 if ($attr == 'article__url') {
 716                     $url = new Url(base64_encode($attr_value));
 717                 }
 718                 $sequence = '';
 719                 if (STORAGE == 'postgres') {
 720                     $sequence = 'entries_id_seq';
 721                 }
 722                 if ($attr_value == 'true') {
 723                     if ($attr == 'favorite') {
 724                         $favorite = TRUE;
 725                     }
 726                     if ($attr == 'archive') {
 727                         $archive = TRUE;
 728                     }
 729                 }
 730             }
 731             # we can add the url
 732             if (!is_null($url) && $url->isCorrect()) {
 733                 $this->action('add', $url, 0, TRUE);
 734                 $count++;
 735                 if ($favorite) {
 736                     $last_id = $this->store->getLastId($sequence);
 737                     $this->action('toggle_fav', $url, $last_id, TRUE);
 738                 }
 739                 if ($archive) {
 740                     $last_id = $this->store->getLastId($sequence);
 741                     $this->action('toggle_archive', $url, $last_id, TRUE);
 742                 }
 743             }
 744         }
 745         $this->messages->add('s', _('import from Readability completed. ' . $count . ' new links.'));
 746         Tools::logm('import from Readability completed');
 747         Tools::redirect();
 748     }
 749
 750     /**
 751      * import datas into your poche
 752      * @param  string $from name of the service to import : pocket, instapaper or readability
 753      * @todo add the return value
 754      * @return boolean
 755      */
 756     public function import($from)
 757     {
 758         $providers = array(
 759             'pocket' => 'importFromPocket',
 760             'readability' => 'importFromReadability',
 761             'instapaper' => 'importFromInstapaper'
 762         );
 763
 764         if (! isset($providers[$from])) {
 765             $this->messages->add('e', _('Unknown import provider.'));
 766             Tools::redirect();
 767         }
 768
 769         $targetDefinition = 'IMPORT_' . strtoupper($from) . '_FILE';
 770         $targetFile = constant($targetDefinition);
 771
 772         if (! defined($targetDefinition)) {
 773             $this->messages->add('e', _('Incomplete inc/poche/define.inc.php file, please define "' . $targetDefinition . '".'));
 774             Tools::redirect();
 775         }
 776
 777         if (! file_exists($targetFile)) {
 778             $this->messages->add('e', _('Could not find required "' . $targetFile . '" import file.'));
 779             Tools::redirect();
 780         }
 781
 782         $this->$providers[$from]($targetFile);
 783     }
 784
 785     /**
 786      * export poche entries in json
 787      * @return json all poche entries
 788      */
 789     public function export()
 790     {
 791         $entries = $this->store->retrieveAll($this->user->getId());
 792         echo $this->tpl->render('export.twig', array(
 793             'export' => Tools::renderJson($entries),
 794         ));
 795         Tools::logm('export view');
 796     }
 797
 798     /**
 799      * Checks online the latest version of poche and cache it
 800      * @param  string $which 'prod' or 'dev'
 801      * @return string        latest $which version
 802      */
 803     private function getPocheVersion($which = 'prod')
 804     {
 805         $cache_file = CACHE . '/' . $which;
 806
 807         # checks if the cached version file exists
 808         if (file_exists($cache_file) && (filemtime($cache_file) > (time() - 86400 ))) {
 809            $version = file_get_contents($cache_file);
 810         } else {
 811            $version = file_get_contents('http://static.inthepoche.com/versions/' . $which);
 812            file_put_contents($cache_file, $version, LOCK_EX);
 813         }
 814         return $version;
 815     }
 816 }