markdown.module

<?php
/**
 * @file
 * Provides a Markdown input filter.
 */

/**
 * Implements hook_help().
 */
function markdown_help($path, $arg) {
  switch ($path) {
    case 'admin/help#markdown':
      return t('<p>The Markdown filter allows you to enter content using <a href="http://daringfireball.net/projects/markdown">Markdown</a>, a simple plain-text syntax that is transformed into valid XHTML.</p>');
  }
}

/**
 * Implements hook_filter_info().
 */
function markdown_filter_info() {
  $filters['filter_markdown'] = array(
    'title' => t('Markdown'),
    'description' => t('Allows content to be submitted using Markdown, a simple plain-text syntax that is filtered into valid XHTML.'),
    'process callback' => '_filter_markdown',
    'settings callback' => '_filter_markdown_settings',
    'tips callback'  => '_filter_markdown_tips',
  );

  return $filters;
}

/**
 * Returns the markdown input filter tips.
 * @TODO: make it easier for translators.
 */
function _filter_markdown_tips($format, $long = FALSE) {
  if ($long) {
    return t('Quick Tips:<ul>
      <li>Two or more spaces at a line\'s end = Line break</li>
      <li>Double returns = Paragraph</li>
      <li>*Single asterisks* or _single underscores_ = <em>Emphasis</em></li>
      <li>**Double** or __double__ = <strong>Strong</strong></li>
      <li>This is [a link](http://the.link.example.com "The optional title text")</li>
      </ul>For complete details on the Markdown syntax, see the <a href="http://daringfireball.net/projects/markdown/syntax">Markdown documentation</a> and <a href="http://michelf.com/projects/php-markdown/extra/">Markdown Extra documentation</a> for tables, footnotes, and more.');
  }
  else {
    return t('You can use <a href="@filter_tips">Markdown syntax</a> to format and style the text. Also see <a href="@markdown_extra">Markdown Extra</a> for tables, footnotes, and more.', array('@filter_tips' => url('filter/tips'), '@markdown_extra' => 'http://michelf.com/projects/php-markdown/extra/'));
  }
}


/**
 * Provides content for the markdown help block.
 */
function _markdown_help_block() {
  return '<pre>' . t("
## Header 2 ##
### Header 3 ###
#### Header 4 ####
##### Header 5 #####
(Hashes on right are optional)

Link [Drupal](http://drupal.org)

Inline markup like _italics_,
 **bold**, and `code()`.

> Blockquote. Like email replies
>> And, they can be nested

* Bullet lists are easy too
- Another one
+ Another one

1. A numbered list
2. Which is numbered
3. With periods and a space

And now some code:
    // Code is indented text
    is_easy() to_remember();") . '</pre>';
}

/**
 * Filter process callback.
 */
function _filter_markdown($text, $format) {
  if (!empty($text)) {
    module_load_include('php', 'markdown', 'lib/Markdown');
    module_load_include('php', 'markdown', 'lib/Smartypants');

    // yaml header
    if (preg_match("/^---(?P<yaml>(.|\n)*)---/", $text, $matches) == 1) {
        $yaml = $matches['yaml'];
        $text = substr($text, strlen($matches[0]));
    }
    // replace flickr image url
    //$text = preg_replace('/   /', '', $text);
    //$flickr = new Flickr();
    preg_match_all('/\{\{flickr:(?P<photo_id>\d+)(\|(?P<size>\w+))?\}\}/', $text, $matches, PREG_SET_ORDER);
    foreach ($matches as $match) {
        $photo_url = get_flickr_photo_url($match['photo_id'], $match['size']);
        $text = str_replace($match[0], $photo_url, $text);
    }

    // markdown
    $text = MarkdownExtra::defaultTransform($text);
    $text = SmartyPants($text);
  }

  return $text;
}

/**
 * Filter settings callback. Just provides a version overview.
 */
function _filter_markdown_settings($form, &$form_state, $filter, $format, $defaults) {
  module_load_include('php', 'markdown', 'markdown');

  $settings['markdown_wrapper'] = array(
    '#type' => 'fieldset',
    '#title' => t('Markdown'),
  );
  $links = array(
    'Markdown PHP Version: <a href="http://michelf.com/projects/php-markdown/">' . MARKDOWN_VERSION . '</a>',
    'Markdown Extra Version: <a href="http://michelf.com/projects/php-markdown/">' . MARKDOWNEXTRA_VERSION . '</a>',
  );
  $settings['markdown_wrapper']['markdown_status'] = array(
    '#title' => t('Versions'),
    '#type' => 'item',
    '#markup' => theme('item_list', array('items' => $links)),
  );

  return $settings;
}

/*
function markdown_node_load($nodes, $types) {
    include('Spyc.php');
    foreach ($nodes as $node) {
        if (preg_match("/^---(?P<yaml>(.|\n)*)---/", $node->body[$node->language][0]['value'], $matches) == 1) {
            //print_r($matches);
            $node->yaml = Spyc::YAMLLoad($matches['yaml']);
            //print_r($yaml);
            //print_r($yaml['private']);
            //print_r(Spyc::YAMLDump($yaml));
        } else {
            $node->yaml = array();
        }

        // set private value
        if (array_key_exists('private', $node->yaml) && $node->yaml['private']) {
            $node->private = TRUE;
        } else {
            $node->private = FALSE;
        }
        //print_r($node);
        //drupal_exit();
        //$node->private = TRUE;
        //$node->mathjax = FALSE;
    }
}

function markdown_node_access($node, $op, $account) {
    $type = is_string($node) ? $node : $node->type;

    if (in_array($type, array('blog', 'quote', 'favorite')) && !$node->private) {
        return NODE_ACCESS_ALLOW;
    }

    return NODE_ACCESS_DENY;
}
*/

/**
 *
 */
function markdown_menu() {
    $items['status'] = array(
        'title' => 'Status',
        'page callback' => 'status_page',
        'access arguments' => array('administer content'),
    );
    $items['cron/static'] = array(
        'page callback' => 'generate_static_pages',
        'access arguments' => array('administer content'),
    );
    $item['cron/pull-status-mailbox'] = array(
        'page callback' => 'pull_status_mailbox',
        'access arguments' => array('administer content'),
    );
    $items['node/%/edit/ajax'] = array(
        'page callback' => '_node_form_ajax',
        'page arguments' => array(1),
        'access arguments' => array('administer content'),
        'type' => MENU_CALLBACK
    );
    $items['node/add/%/ajax'] = array(
        'page callback' => '_node_add_ajax',
        'page arguments' => array(2),
        'access arguments' => array('administer content'),
        'type' => MENU_CALLBACK
    );
    return $items;
}

function status_page() {

    $query = new EntityFieldQuery;
    $entities = $query->entityCondition('entity_type', 'node')
        ->entityCondition('bundle', 'status')
        ->propertyOrderBy('created', 'DESC')
        ->pager(10);

    $result = $query->execute();

    if (isset($result['node'])) {
        $nids = array_keys($result['node']);
        $nodes = node_load_multiple($nids);
        $content = drupal_render(node_view_multiple($nodes, 'full'));
        return $content;
        $page = array('content' => $content,
                      '#type' => 'page'
                      );
        return drupal_render($page);
        
        } else {
        return "No status found";     
    }
}

function _node_add_ajax($node_type) {
    if (!isset($_POST['submit']) || !isset($_POST['body']) || $_POST['body'] == '') {
        echo "no data";
        print_r($_POST);
        drupal_exit();
    }
    // have not consider other node type
    if ($node_type != 'status') {
        echo "not status!";
        drupal_exit();
    }
    $title = 'status';
    $body = $_POST['body'];
    if ($node = _node_save($node_type, $title, $body)) {
        //echo drupal_render(node_view($node));
        drupal_goto('status');
    } else {
        echo "error when saving";
    }
    drupal_exit();
}

/**
 * just return the node edit form
 */
function _node_form_ajax($nid_or_type) {
    module_load_include('inc', 'node', 'node.pages');
    if (is_numeric($nid_or_type)) {
        $node = node_load($nid_or_type);
    } else {
        global $user;
        $node = new stdClass();
        $node->uid = $user->uid;
        $node->name = $user->name;
        $node->type = $nid_or_type;
        node_object_prepare($node);
    }

    echo drupal_render(drupal_get_form($node->type."_node_form", $node));
    drupal_exit();
}

function generate_static_pages() {
    $static_root = '/var/www/chunliang.me/static';

    // in the form of `node/1`
    $site_frontpage = variable_get('site_frontpage', 'node');

    $query = new EntityFieldQuery;
    $entities = $query->entityCondition('entity_type', 'node')
                      ->propertyCondition('status', 1);

    $result = $query->execute();

    $base_url = 'http://chunliang.me';
    $options = array('absolute' => TRUE,
                     'https' => FALSE,
                     'base_url' => $base_url);

    $folder = $static_root;
    $files = glob($folder . '/*');
    foreach ($files as $file) {
        if (is_file($file)) {
            unlink($file);
        }
    }

    if (isset($result['node'])) {
        $nids = array_keys($result['node']);
        $nodes = node_load_multiple($nids);

        foreach ($nodes as $node) {
            $url = 'node/'.$node->nid;
            if ($url == $site_frontpage) {
                $full_url = $base_url . '/index';
            } else {
                $full_url = url($url, $options);
            }

            $content = drupal_render(node_view($node));
            $page = array(
                'content' => $content,
                '#type' => 'page',
                '#show_messages' => FALSE
            );
            variable_set('static_page', true);
            $html = drupal_render($page);
            variable_del('static_page');

            // somthing like blog.html
            $path = $folder . substr($full_url, strlen($base_url)) . '.html';
            $dir = dirname($path);
            if (!is_dir($dir) && !mkdir($dir, 0777, true)) {
                die('Failed to create folders ' . $path);
            }
            file_put_contents($path, $html);
        }
    }

    $output = '';
    print '<pre>';
    passthru('tree ' . $static_root);
    print '</pre>';

    drupal_exit();
}

function pull_status_mailbox() {
    $hostname = '{imap.gmail.com:993/imap/ssl}INBOX';
    $username = 'status@chunliang.me';
    $password = '%E9V7md3';

    $statuses = fetch_status_mailbox($hostname, $username, $password);
    $count = 0;
    foreach ($statuses as $status) {
        if (_node_save('status', $status['title'], $status['body'], $status)) {
            $count += 1;
        }
    }
    if ($count == count($statuses)) {
        echo "successfully imported statuses: " . $count;
        drupal_exit();
    } else {
        echo "error happens";
        drupal_exit();
    }
}


function _node_save($node_type, $title, $body, $optional = array()) {
    $node = new stdClass();
    $node->type = $node_type;
    node_object_prepare($node);
    $node->status = 0;
    $node->promote = 0;
    $node->sticky = 0;

    $node->title = $title;
    $node->language = LANGUAGE_NONE;
    $node->uid = 1;
    $node->body[$node->language][0]['value'] = $body;
    //$node->body[$node->language][0]['summary'] = text_summary($body);
    $node->body[$node->language][0]['format'] = 'markdown';

    // since node_submit will set $node->created by $node->date
    if (isset($optional['created'])) {
        $node->date = $optional['created'];
    }

    if ($node = node_submit($node)) {
        node_save($node);
        return $node;
    } else {
        return false;
    }
}

function fetch_status_mailbox($hostname, $username, $password) {

    $statuses = array();

    $inbox = imap_open($hostname, $username, $password) or die("Cannot connect to Gmail: " . imap_last_error());

    $emails = imap_search($inbox, 'ALL');

    if ($emails) {
        $output = '';
        rsort($emails);

        foreach ($emails as $email_number) {
            $uid = imap_uid($inbox, $email_number);
            $header = imap_fetchheader($inbox, $email_number);
            $overview = imap_fetch_overview($inbox, $email_number, 0);
            $message = imap_fetchbody($inbox, $email_number, 2);

            $output .= $email_number;
            $output .= '<li>' . $overview[0]->subject . '</li>';
            $output .= '<li>' . $overview[0]->date . '</li>';
            $output .= '<li>' . $overview[0]->from . '</li>';

            print_r($overview);
            print_r($header);
            print_r($uid);
            $title = 'email:' . $uid;
            echo "\n\n";

            $status = array(
                    'title' => 'email:' . $uid,
                    'body'  => message,
                    'created' => $overview->date
                    );

            $statuses[] = $status;
        }
    }

    imap_close($inbox);
    return $statuses;
}

function get_flickr_token() {
  module_load_include('php', 'markdown', 'lib/Flickr');
  $f = new phpFlickr("4231c9fc6d682d17c618091def128f87", "f15dfdb9e761282c");

  //change this to the permissions you will need
  if (empty($_GET['frob'])) {
    $f->auth("write", false);
  } else {
    $token = $f->auth_getToken($_GET['frob']);
    echo "use this token to authenticate: ". $token['token'];
  }
}

function get_flickr_photo_url($photo_id, $size='m') {
  module_load_include('php', 'markdown', 'lib/Flickr');
  $api_key = '4231c9fc6d682d17c618091def128f87';
  $api_secret = 'f15dfdb9e761282c';
  $api_token = '72157633245931161-c47f26f9fc81772a';
  $flickr = null;

  $flickr = new phpFlickr($api_key, $api_secret);
  $flickr->setToken($api_token);

  if ($photo = $flickr->photos_getInfo($photo_id)) {
    return $flickr->buildPhotoURL($photo, $size);
  } else {
    return False;
  }
}