plugin-wonderful/classes/PluginWonderful.php

<?php

class PluginWonderful {
  var $messages, $adboxes_client, $publisher_info, $member_id;
  var $widget_prefix = "plugin-wonderful";

  function PluginWonderful() {}
	
	function _retrieve_url($url) {
		return @file_get_contents($url);
	}
	
	function init() {
	  if (empty($this->adboxes_client)) {
			$this->messages = array();
			$this->adboxes_client = new PWAdboxesClient();
			
			$this->_get_publisher_info();
			$this->_update_database_version();
			
			if (!empty($_POST)) { $this->handle_action(); }	
		}
	}

	function _get_new_publisher_info_object() {
		return new PublisherInfo();
	}

	function _update_database_version() {
		$result = get_option('plugin-wonderful-database-version');
		if (empty($result) || ($result < PLUGIN_WONDERFUL_DATABASE_VERSION)) {
			if ($this->adboxes_client->initialize(true)) {
				update_option('plugin-wonderful-database-version', PLUGIN_WONDERFUL_DATABASE_VERSION);
			} else {
				$this->messages[] = "Unable to update database schema!";
			}
		}	
	}

	function _get_publisher_info() {
		$this->publisher_info = false;
		$member_id = get_option('plugin-wonderful-memberid');
		if (is_numeric($member_id)) {
			$member_id = (int)$member_id;
			$this->publisher_info = $this->adboxes_client->get_ads($member_id);

			$last_update = get_option('plugin-wonderful-last-update') ;
			if (!is_numeric($last_update)) { $last_update = 0; }
			$last_update = (int)$last_update;
			
			if (($last_update + PLUGIN_WONDERFUL_UPDATE_TIME) < time()) {
				if (($result = $this->_retrieve_url(sprintf(PLUGIN_WONDERFUL_XML_URL, (int)get_option('plugin-wonderful-memberid')))) !== false) {
					$this->publisher_info = $this->_get_new_publisher_info_object();
					if ($this->publisher_info->parse($result)) {
						$this->adboxes_client->post_ads($this->publisher_info);
						update_option('plugin-wonderful-last-update', time());
					}
				}
			}
		}	
		
		return $this->publisher_info;
	}

  function insert_rss_feed_ads($content) {
    if (is_feed()) {
      if ($this->publisher_info !== false) {
        foreach ($this->publisher_info->adboxes as $adbox) {
          if ($adbox->in_rss_feed == 1) {
            if (preg_match("#<noscript>(.*)</noscript>#mis", $adbox->advancedcode, $matches) > 0) {
              echo $matches[1];
            }
          }
        }
      }
    }
    return $content;
  }

  function get_ad_widget_ordering($adbox_id) {
		if (($result = get_option('plugin-wonderful-sidebar-adboxes')) !== false) {
			foreach ($result as $position => $id) {
			  if ($id == $adbox_id) { return $position; }
		  }
		}
		return null;
	}
	
  function insert_activation_ad() {
    $result = get_option('plugin-wonderful-activate-ad-code');
    if (!empty($result)) { echo $result; }
  }

  function inject_ads_into_body_copy($body) {
    if ($this->publisher_info !== false) {
      if (get_option("plugin-wonderful-enable-body-copy-embedding") == 1) {
        return $this->publisher_info->inject_ads_into_body_copy($body, (get_option("plugin-wonderful-use-standardcode") == 1));
      }
    }
    return $body;
  }

  function set_up_menu() {
    add_options_page('Plugin Wonderful', __("Plugin Wonderful", 'plugin-wonderful'), 5, __FILE__, array($this, "plugin_wonderful_main"));
  }

  function handle_activation() {
		$this->init();
    $this->adboxes_client->initialize();
  }

  function plugin_wonderful_main() {
    $this->get_view(__FUNCTION__);
  }

  function show_messages() {
    if (count($this->messages) > 0) {
      echo '<div id="message" class="updated fade below-h2">';
        foreach ($this->messages as $message) { echo '<p>' . $message . '</p>'; }
      echo '</div>';
    }
  }

  function _create_target($name, $source) {
    return dirname(__FILE__) . "/../{$source}/{$name}.php";
  }

  function get_view($function_name) {
    $target = $this->_create_target(str_replace('plugin_wonderful_', '', $function_name), "views");
    if (file_exists($target)) {
      $info = get_plugin_data(realpath(__FILE__));

      echo '<div class="wrap">';
        echo '<div id="icon-edit" class="icon32"><br /></div>';
        echo '<h2>' . __("Plugin Wonderful", 'plugin-wonderful') . '</h2>';

        $this->show_messages();

        include($target);

        echo '<div style="margin-top: 20px; border-top: solid #E3E3E3 1px; overflow: hidden">';
          echo '<form style="float: right; display: inline" action="https://www.paypal.com/cgi-bin/webscr" method="post"><input type="hidden" name="cmd" value="_s-xclick"><input type="hidden" name="hosted_button_id" value="3215507"><input type="image" src="https://www.paypal.com/en_US/i/btn/btn_donate_SM.gif" border="0" name="submit" alt=""><img alt="" border="0" src="https://www.paypal.com/en_US/i/scr/pixel.gif" width="1" height="1"></form>';
          echo sprintf(__('%1$s Version %2$s by %3$s', 'plugin-wonderful'), $info['Title'], $info['Version'], $info['Author']) . ' | ';
          echo __('<a href="http://www.projectwonderful.com/login.php">Manage your Project Wonderful publisher account</a>', 'plugin-wonderful');
          echo '<br style="clear: both" />';
        echo '</div>';
      echo '</div>';
    } else {
      die(__("View not found: ", 'plugin-wonderful') . str_replace('plugin-wonderful_', '', $function_name));
    }
  }

  function handle_action() {
    $action = "handle_action_" . str_replace("-", "_", preg_replace('#[^a-z\-]#', '', strtolower($_POST['action'])));
    if (method_exists($this, $action)) { call_user_func(array($this, $action)); }

    // handle widget updates
		if (isset($_POST['pw']['_nonce'])) {
			if (wp_verify_nonce($_POST['pw']['_nonce'], "plugin-wonderful")) { $this->handle_action_save_widgets(); }
	  }
  }

  function handle_action_save_widgets() {
    $new_boxes = array();
    if ($this->publisher_info !== false) {
			foreach ($this->publisher_info->adboxes as $box) {
				if (isset($_POST['pw']['center'][$box->adboxid])) {
					$this->adboxes_client->set_widget_centering($box->adboxid, true);
					$box->center_widget = "1";
				} else {
					$this->adboxes_client->set_widget_centering($box->adboxid, false);
					$box->center_widget = "0";
				}
				$new_boxes[] = $box;
			}
			$this->publisher_info->adboxes = $new_boxes;
	  }
  }

  function handle_action_change_adbox_settings() {
    if ($member_id = get_option('plugin-wonderful-memberid')) {
      if (isset($_POST['template_tag_id']) && is_array($_POST['template_tag_id'])) {
        if (is_array($this->publisher_info->adboxes)) {
          $new_boxes = array();
          foreach ($this->publisher_info->adboxes as $box) {
            if (isset($_POST['template_tag_id'][$box->adboxid])) {
              $tag = $_POST['template_tag_id'][$box->adboxid];
              $prior_value = $box->template_tag_id;

              $tag = $this->adboxes_client->trim_field('template_tag_id', $tag);

              $this->adboxes_client->set_template_tag($box->adboxid, $tag);
              $box->template_tag_id = $tag;

              if (!empty($tag) && ($prior_value != $tag)) {
                $this->messages[] = sprintf(__('Template tag identifier for ad <strong>%1$s</strong> set to <strong>%2$s</strong>.', 'plugin-wonderful'), $box->adboxid, $tag);
              } else {
                if (!empty($prior_value) && empty($tag)) {
                  $this->messages[] = sprintf(__('Template tag identifier for ad <strong>%s</strong> removed.', 'plugin-wonderful'), $box->adboxid);
                }
              }
            }
            $new_boxes[] = $box;
          }
          $this->publisher_info->adboxes = $new_boxes;
        }
      }

      if (is_array($this->publisher_info->adboxes)) {
        $new_boxes = array();
        foreach ($this->publisher_info->adboxes as $box) {
          if (isset($_POST['in_rss_feed'][$box->adboxid])) {
            $this->adboxes_client->set_rss_feed_usage($box->adboxid, true);
            if ($box->in_rss_feed == 0) {
              $this->messages[] = sprintf(__('RSS feed usage for ad <strong>%1$s</strong> enabled.', 'plugin-wonderful'), $box->adboxid);
            }
            $box->in_rss_feed = "1";
          } else {
            $this->adboxes_client->set_rss_feed_usage($box->adboxid, false);
            if ($box->in_rss_feed == 1) {
              $this->messages[] = sprintf(__('RSS feed usage for ad <strong>%1$s</strong> disabled.', 'plugin-wonderful'), $box->adboxid);
            }
            $box->in_rss_feed = "0";
          }
          $new_boxes[] = $box;
        }
        $this->publisher_info->adboxes = $new_boxes;
      }
    }

    if (count($this->messages) == 0) {
      $this->messages[] = __("No changes to adboxes were made.", 'plugin-wonderful');
    }
  }

  function handle_action_rebuild_database() {
    $this->adboxes_client->destroy();
    $this->adboxes_client->initialize();

    $this->messages[] = __("Adbox database destroyed and rebuilt.", 'plugin-wonderful');

    if (get_option('plugin-wonderful-memberid') != "") {
      if (($result = file_get_contents(sprintf(PLUGIN_WONDERFUL_XML_URL, (int)get_option('plugin-wonderful-memberid')))) !== false) {
        $this->publisher_info = new PublisherInfo();
        if ($this->publisher_info->parse($result)) {
          $this->adboxes_client->post_ads($this->publisher_info);
          $this->messages[] = sprintf(__('Adbox information redownloaded.', 'plugin-wonderful'), (int)$_POST['memberid']);
        } else {
          $this->messages[] = __("Unable to parse publisher data from Project Wonderful.", 'plugin-wonderful');
          $this->publisher_info = false;
        }
      } else {
        $this->messages[] = __("Unable to read publisher data from Project Wonderful.", 'plugin-wonderful');
        $this->publisher_info = false;
      }
    }
  }

  function handle_action_change_memberid() {
    if (trim($_POST['memberid'])) {
      if (trim($_POST['memberid']) === (string)(int)$_POST['memberid']) {
        if (($result = file_get_contents(sprintf(PLUGIN_WONDERFUL_XML_URL, (int)$_POST['memberid']))) !== false) {
          $this->publisher_info = new PublisherInfo();
          if ($this->publisher_info->parse($result)) {
            update_option('plugin-wonderful-memberid', (int)$_POST['memberid']);
            $this->adboxes_client->post_ads($this->publisher_info);
            $this->messages[] = sprintf(__('Member number changed to %s and adbox information redownloaded.', 'plugin-wonderful'), (int)$_POST['memberid']);
          } else {
            $this->messages[] = __("Unable to parse publisher data from Project Wonderful.", 'plugin-wonderful');
            update_option('plugin-wonderful-memberid', "");
            $this->publisher_info = false;
          }
        } else {
          $this->messages[] = __("Unable to read publisher data from Project Wonderful.", 'plugin-wonderful');
          update_option('plugin-wonderful-memberid', "");
          $this->publisher_info = false;
        }
      } else {
        $this->messages[] = __("Member numbers need to be numeric.", 'plugin-wonderful');
        update_option('plugin-wonderful-memberid', "");
        $this->publisher_info = false;
      }
    } else {
      $this->messages[] = __("Existing adbox information removed.", 'plugin-wonderful');
      update_option('plugin-wonderful-memberid', "");

      $this->publisher_info = false;
    }

    foreach (array('use-standardcode', 'enable-body-copy-embedding') as $field) {
      update_option("plugin-wonderful-${field}", isset($_POST[$field]) ? "1" : "0");
    }
  }
}

function the_project_wonderful_ad($adboxid) {
  global $plugin_wonderful;

  $plugin_wonderful->render_widget(array(), $adboxid);
}

?>