/**
* Updates list of Google Documents and Spreadsheets
*
* Connects to Google and retrieves list of documents and spreadsheets.
* Updates table in Wordpress database.
* Returns data to browser in a JSON variable via http headers.
*/
function gdocs_update_list()
{
// get Google Documents client
$gdClient = GClient::getInstance(GDOCS_DOCUMENT);
// initialize collector stack
$docs = array();
// update document list
gdocs_update_documents($gdClient, &$docs);
$doc_count = sizeof($docs);
// get Google Spreadsheets client
$gsClient = GClient::getInstance(GDOCS_SPREADSHEET);
// update spreadsheet list
$data = gdocs_update_sts($gdClient, $gsClient, &$docs);
$st_count = sizeof($docs) - $doc_count;
header('HTTP/1.0 200 OK');
header('Content-Type: application/x-json');
$json = array('dc' => $doc_count, 'sc' => $st_count);
// update DB
try {
GDB::write($data);
} catch (GDB_Exception $e) {
$json['error'] = $e->getMessage();
gdocs_error($e);
}
header('X-JSON: (' . json_encode($json) . ')');
echo json_encode($docs);
}
/**
* Install plugin
*
* Adds configuration options
* Creates table in Wordpress database
*/
function gdocs_install()
{
// login credentials
add_option('gdocs_user');
add_option('gdocs_pwd');
// proxy config
add_option('gdocs_proxy_host');
add_option('gdocs_proxy_port');
add_option('gdocs_proxy_user');
add_option('gdocs_proxy_pwd');
// cache config
add_option('gdocs_cache_expiry', 0);
// stylesheets config
add_option('gdocs_style_dir');
// create table in DB to store shortcode tags
try {
GDB::drop();
GDB::create();
} catch (GDB_Exception $e) {
gdocs_error($e);
}
}
/**
* GElement constructor
*
* Parses shortcode attributes, assembles and formats HTML to display document/spreadsheet
*
* @method GElement GElement() GElement($atts) creates and initializes new GElement object
* @param array $atts Shortcode attributes
* @return GElement $obj GElement object
*/
public function __construct($atts)
{
// init variables
$this->atts = $atts;
$this->html = "";
// check required attributes exist
$this->checkRequired();
// assemble
$this->html .= $this->printStylesheets();
$this->html .= $this->printScripts();
$this->html .= $this->openTag();
try {
// read from cache
$this->html .= $this->printCache();
return;
} catch (GElementException $e) {
// no cache or cache expired
$body = $this->printBody();
$this->html .= $body;
try {
// write to cache
$this->cache_session->write($body);
} catch (GCache_Exception $e) {
// cache not writable
gdocs_error($e);
}
return;
}
}
