/[drupal]/contributions/modules/follow/follow.module
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revision 1.6, Mon Nov 2 20:25:53 2009 UTC revision 1.7, Tue Nov 3 22:20:36 2009 UTC
# Line 1  Line 1 
1  <?php  <?php
2  // $Id: follow.module,v 1.5 2009/10/30 22:00:08 pwolanin Exp $  // $Id: follow.module,v 1.6 2009/11/02 20:25:53 pwolanin Exp $
3    
4  /**  /**
5   * @file   * @file
# Line 17  function follow_help($path, $arg) { Line 17  function follow_help($path, $arg) {
17    switch ($path) {    switch ($path) {
18      case 'follow':      case 'follow':
19      case 'user/%/follow':      case 'user/%/follow':
20        return t('Please copy and paste urls for each service you would like to display in the block.');      case 'admin/config/services/follow':
21          return t('Please copy and paste the url for your public profile or page for each service you would like to display in the block. Links need to match the domain of the service in question.');
22      case 'admin/settings/follow':      case 'admin/settings/follow':
23        return t('Here you can set what the default titles are for the "follow" blocks.  If you would like a custom title, edit the individual blocks <a href="!href">here</a>.', array('!href' => url('admin/build/block')));        return t('Here you can set what the default titles are for the "follow" blocks.  If you would like a custom title, edit the individual blocks <a href="!href">here</a>.', array('!href' => url('admin/build/block')));
24    }    }
# Line 232  function follow_link_title($uid = 0) { Line 233  function follow_link_title($uid = 0) {
233      if ($setting == FOLLOW_NAME) {      if ($setting == FOLLOW_NAME) {
234        $account = user_load($uid);        $account = user_load($uid);
235        // Set plain to TRUE for realname module support.        // Set plain to TRUE for realname module support.
236        return t('Follow !name on', array('!name' => theme('username', $account, array('plain' => TRUE))));        return t('Follow !name on', array('!name' => theme('username', array('account' => $account))));
237      }      }
238      return t('Follow me on');      return t('Follow me on');
239    }    }
# Line 282  function theme_follow_links($variables) Line 283  function theme_follow_links($variables)
283    $output = '<div class="follow-links clearfix">';    $output = '<div class="follow-links clearfix">';
284    
285    foreach($links as $link) {    foreach($links as $link) {
286      $title = $networks[$link->name];      $title = $networks[$link->name]['title'];
287      $output .= theme('follow_link', array('link' => $link, 'title' => $title));      $output .= theme('follow_link', array('link' => $link, 'title' => $title));
288    }    }
289    
# Line 311  function theme_follow_link($variables) { Line 312  function theme_follow_link($variables) {
312      'class' => implode(' ', $classes),      'class' => implode(' ', $classes),
313      'title' => follow_link_title($link->uid) .' '. $title,      'title' => follow_link_title($link->uid) .' '. $title,
314    );    );
315      $link->options['attributes'] = $attributes;
316    return l($title, $link->url, array('attributes' => $attributes)) . "\n";    return l($title, $link->path, $link->options) . "\n";
317  }  }
318    
319  /**  /**
# Line 375  function follow_links_form($form, &$form Line 376  function follow_links_form($form, &$form
376    // Put all our existing links at the top, sorted by weight.    // Put all our existing links at the top, sorted by weight.
377    if (is_array($links)) {    if (is_array($links)) {
378      foreach ($links as $name => $link) {      foreach ($links as $name => $link) {
379        $title = $networks[$name];        $title = $networks[$name]['title'];
380        $form['follow_links'][$name] = _follow_links_form_link($link, $title);        $form['follow_links'][$name] = _follow_links_form_link($link, $title, $uid);
381        // Unset this specific network so we don't add the same one again below.        // Unset this specific network so we don't add the same one again below.
382        unset($networks[$name]);        unset($networks[$name]);
383      }      }
384    }    }
385    // Now add all the empty ones.    // Now add all the empty ones.
386    foreach ($networks as $name => $title) {    foreach ($networks as $name => $info) {
387      $link = new stdClass();      $link = new stdClass();
388      $form['follow_links'][$name] = _follow_links_form_link($link, $title);      $link->name = $name;
389        $form['follow_links'][$name] = _follow_links_form_link($link, $info['title'], $uid);
390    }    }
391    
392    $form['submit'] = array('#type' => 'submit', '#value' => t('Submit'));    $form['submit'] = array('#type' => 'submit', '#value' => t('Submit'));
# Line 395  function follow_links_form($form, &$form Line 397  function follow_links_form($form, &$form
397  /**  /**
398   * Helper function to create an individual link form element.   * Helper function to create an individual link form element.
399   */   */
400  function _follow_links_form_link($link, $title) {  function _follow_links_form_link($link, $title, $uid) {
401    $elements = array();    $elements = array();
402    
403    $elements['name'] = array(    $elements['name'] = array(
# Line 413  function _follow_links_form_link($link, Line 415  function _follow_links_form_link($link,
415    }    }
416    $elements['url'] = array(    $elements['url'] = array(
417      '#type' => 'textfield',      '#type' => 'textfield',
418        '#follow_network' => $link->name,
419        '#follow_uid' => $uid,
420      '#default_value' => isset($link->url) ? $link->url : '',      '#default_value' => isset($link->url) ? $link->url : '',
421      '#element_validate' => array('follow_url_validate'),      '#element_validate' => array('follow_url_validate'),
422    );    );
# Line 421  function _follow_links_form_link($link, Line 425  function _follow_links_form_link($link,
425  }  }
426    
427  /**  /**
428     * Like drupal_http_build_query() but without urlencodings.
429     */
430    function follow_build_query(array $query, $parent = '') {
431      $params = array();
432    
433      foreach ($query as $key => $value) {
434        $key = ($parent ? $parent . '[' . $key . ']' : $key);
435    
436        // Recurse into children.
437        if (is_array($value)) {
438          $params[] = follow_build_query($value, $key);
439        }
440        // If a query parameter value is NULL, only append its key.
441        elseif (!isset($value)) {
442          $params[] = $key;
443        }
444        else {
445          $params[] = $key . '=' . $value;
446        }
447      }
448      return implode('&', $params);
449    }
450    
451    /**
452     * Build a url for use in the form.
453     */
454    function follow_build_url($path, $options) {
455      $url = $path;
456      if (!empty($options['query'])) {
457        $url .= (strpos($path, '?') !== FALSE ? '&' : '?') . follow_build_query($options['query']);
458      }
459      if (!empty($options['fragment'])) {
460        $url .= '#' . $options['fragment'];
461      }
462      return $url;
463    }
464    
465    /**
466     * Split a Drupal path or external link into path and options like a menu link.
467     */
468    function follow_parse_url($url) {
469      $parsed_url = parse_url($url);
470      $defaults = array(
471        'scheme' => '',
472        'host' => '',
473        'port' => '',
474        'path' => '/',
475        'query' => '',
476        'fragment' => '',
477      );
478      $parsed_url += $defaults;
479      $options = array('query' => array(), 'fragment' => $parsed_url['fragment']);
480      // Parse the query string into an array.
481      parse_str($parsed_url['query'], $options['query']);
482      if ($parsed_url['scheme']) {
483        $parsed_url['scheme'] .= '://';
484      }
485      // Throw away port for now.
486      $path = $parsed_url['scheme'] . $parsed_url['host'] . $parsed_url['path'];
487      return array('path' => $path, 'options' => $options);
488    }
489    
490    /**
491   * Validates the url field to verify it's actually a url.   * Validates the url field to verify it's actually a url.
492   */   */
493  function follow_url_validate($form) {  function follow_url_validate($form) {
494    $url = trim($form['#value']);    $url = trim($form['#value']);
495    if($url && !preg_match("/^[a-zA-Z]+[:\/\/]+[A-Za-z0-9\-_]+\\.+[A-Za-z0-9\.\/%&=\?\-_]+$/i", $url)) {    $networks = follow_networks_load($form['#follow_uid']);
496      form_error($form, t('The specified url is invalid.'));    $info = $networks[$form['#follow_network']];
497      $regex = follow_build_url_regex($info);
498      $parsed = follow_parse_url($url);
499      if($url && !preg_match($regex, $parsed['path'])) {
500        if (!empty($info['domain'])) {
501          $message = t('The specified url is invalid for the domain %domain.  Make sure you use http://.', array('%domain' => $info['domain']));
502        }
503        else {
504          $message = t('The specified path is invalid.  Please enter a path on this site (e.g. rss.xml or taxonomy/term/1/feed).');
505        }
506        form_error($form, $message);
507      }
508    }
509    
510    /**
511     * Build a regex to validate the url based on a known service url.
512     */
513    function follow_build_url_regex($network_info) {
514    
515      if (!empty($network_info['domain'])) {
516        // An external link.
517        return '@^https?://([a-z0-9\-_.]+\\.|)' . str_replace('.', '\\.', $network_info['domain']) . '/@i';
518    }    }
519      // An internal link should not have ':'.
520      return '@^[^:]+$@';
521  }  }
522    
523  /**  /**
# Line 539  function follow_links_load($uid = 0) { Line 629  function follow_links_load($uid = 0) {
629    $result = db_query($sql, array(':uid' => $uid));    $result = db_query($sql, array(':uid' => $uid));
630    
631    foreach ($result as $link) {    foreach ($result as $link) {
632        $link->options = unserialize($link->options);
633        $link->url = follow_build_url($link->path, $link->options);
634      $links[$link->name] = $link;      $links[$link->name] = $link;
635    }    }
636    
# Line 552  function follow_links_load($uid = 0) { Line 644  function follow_links_load($uid = 0) {
644   *   A link object to be saved.   *   A link object to be saved.
645   */   */
646  function follow_link_save($link) {  function follow_link_save($link) {
647      $parsed = follow_parse_url($link->url);
648      $link->path = $parsed['path'];
649      $link->options = $parsed['options'];
650    
651    if (isset($link->lid)) {    if (isset($link->lid)) {
652      drupal_write_record('follow_links', $link, 'lid');      drupal_write_record('follow_links', $link, 'lid');
653    }    }
# Line 608  function follow_networks_load($uid, $res Line 704  function follow_networks_load($uid, $res
704   */   */
705  function follow_default_networks($uid) {  function follow_default_networks($uid) {
706    $networks = array(    $networks = array(
707      'facebook'  => t('Facebook'),      'facebook'  => array(
708      'virb'      => t('Virb'),        'title' => t('Facebook'),
709      'myspace'   => t('MySpace'),        'domain' => 'facebook.com',
710      'twitter'   => t('Twitter'),      ),
711      'picasa'    => t('Picasa'),      'virb'      => array(
712      'flickr'    => t('Flickr'),        'title' => t('Virb'),
713      'youtube'   => t('YouTube'),        'domain' => 'virb.com',
714      'vimeo'     => t('Vimeo'),      ),
715      'bliptv'    => t('blip.tv'),      'myspace'   => array(
716      'lastfm'    => t('last.fm'),        'title' => t('MySpace'),
717      'linkedin'  => t('LinkedIn'),        'domain' => 'myspace.com',
718      'delicious' => t('Delicious'),      ),
719      'tumblr'    => t('Tumblr'),      'twitter'   => array(
720          'title' => t('Twitter'),
721          'domain' => 'twitter.com',
722        ),
723        'picasa'    => array(
724          'title' => t('Picasa'),
725          'domain' => 'picasaweb.google.com',
726        ),
727        'flickr'    => array(
728          'title' => t('Flickr'),
729          'domain' => 'flickr.com',
730        ),
731        'youtube'   => array(
732          'title' => t('YouTube'),
733          'domain' => 'youtube.com',
734        ),
735        'vimeo'     => array(
736          'title' => t('Vimeo'),
737          'domain' => 'vimeo.com',
738        ),
739        'bliptv'    => array(
740          'title' => t('blip.tv'),
741          'domain' => 'blip.tv',
742        ),
743        'lastfm'    => array(
744          'title' => t('last.fm'),
745          'domain' => 'last.fm',
746        ),
747        'linkedin'  => array(
748          'title' => t('LinkedIn'),
749          'domain' => 'linkedin.com',
750        ),
751        'delicious' => array(
752          'title' => t('Delicious'),
753          'domain' => 'delicious.com',
754        ),
755        'tumblr'    => array(
756          'title' => t('Tumblr'),
757          'domain' => 'tumblr.com',
758        ),
759    );    );
760    if ($uid == 0) {    if ($uid == 0) {
761      $networks['self'] = t('This site');      $networks['self'] = array(
762          'title' => t('This site (RSS)'),
763          'domain' => '',
764        );
765    }    }
766    return $networks;    return $networks;
767  }  }
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