add_action('plugin_install', 'scribd_install');
// Add a configure action
$thisplugin->add_action('plugin_configure', 'scribd_configure');
// Add a uninstall action
$thisplugin->add_action('plugin_uninstall', 'scribd_uninstall');
// Add plugin_cleanup action
$thisplugin->add_action('plugin_cleanup', 'scribd_cleanup');
// Add a filter which gets called after the file is successfull uploaded
$thisplugin->add_filter('add_file_data_success', 'scribd_upload');
// Add a filter for displaying the scribd viewer on display image page
$thisplugin->add_filter('file_data', 'scribd_file_data');
// Add a filter for deleting the scribd document
$thisplugin->add_filter('before_delete_file', 'scribd_delete_file');
// Add page_start action
$thisplugin->add_action('page_start', 'scribd_init');
function scribd_init()
{
// We will only consider those extenstions which are supported by Scribd
global $scribd_valid_extensions;
$scribd_valid_extensions = array('pdf', 'txt', 'rtf', 'ppt', 'doc', 'xls');
}
// Install function
// Stores the api key and secret in config table and add two new fields to pictures table
function scribd_install() {
global $CONFIG;
// Install
if ($_POST['scribd_api_key'] && $_POST['scribd_api_secret']) {
// Run the query to add both these values to config table
$query = "REPLACE INTO {$CONFIG['TABLE_CONFIG']} (`name`, `value`) VALUES ('scribd_api_key', '{$_POST['scribd_api_key']}'), ('scribd_api_secret', '{$_POST['scribd_api_secret']}')";
cpg_db_query($query);
// If we already have scribd_api_key in config then it means this plugin was installed earlier also
// and the fields from pictures table and config options were not removed. In such a case no need to add scribd fields
if (!isset($CONFIG['scribd_api_key'])) {
// Run the sql to add scribd_doc_id and scribd_access_key fields to pictures table
$query = "ALTER TABLE {$CONFIG['TABLE_PICTURES']} ADD `scribd_doc_id` INT NOT NULL , ADD `scribd_access_key` VARCHAR( 255 ) NOT NULL";
cpg_db_query($query);
}
return true;
// Loop again
} else {
return 1;
}
}
// Uninstall plugin
function scribd_uninstall() {
global $CONFIG;
// If the cleanup form has not been posted then show the cleanup form
if (!isset($_POST['drop'])) {
return 1;
}
// If user chose to drop the fields (scribd_doc_id)
if ($_POST['drop']) {
// Remove the config options
$query = "DELETE FROM {$CONFIG['TABLE_CONFIG']} WHERE name IN ('scribd_api_key','scribd_api_secret')";
cpg_db_query($query);
// Delete the scribd fields from pictures table
$query = "ALTER TABLE {$CONFIG['TABLE_PICTURES']} DROP `scribd_doc_id`, DROP `scribd_access_key`";
cpg_db_query($query);
}
return true;
}
// Configure function
// Displays the form to input the api key and secret
function scribd_configure() {
echo <<< EOT
EOT;
}
// Ask if we want to drop the scribd fields
function scribd_cleanup($action) {
global $CONFIG;
if ($action == 1) {
?>
upload($file);
// If document got uploaded successfully then we will have a doc id
if ($data['doc_id']) {
// Add this doc_id to the respective record in pictures table
$query = "UPDATE {$CONFIG['TABLE_PICTURES']} SET
scribd_doc_id = '{$data['doc_id']}',
scribd_access_key = '{$data['access_key']}'
WHERE
pid = '{$pic_data['pid']}'
";
cpg_db_query($query);
} else {
// If upload to scribd fails, we are doing nothing
// In such a case the document will be handled normally via cpg and no scribd viewer will be used
}
}
return $pic_data;
}
// Function which embeds the scribd viewer on display image page
function scribd_file_data($pic_data) {
global $CONFIG, $scribd_valid_extensions;
$file = $CONFIG['fullpath'] . $pic_data['filepath'] . $pic_data['filename'];
$tmp = explode('.',$file);
$EOA = count($tmp) - 1;
$extension = strtolower($tmp[$EOA]);
$picture_url = get_pic_url($pic_data, 'fullsize');
// We will replace the file html only if it is a valid scribd document
// Sorry, height and width of the object is fixed to 600 and 800 respectively.
if ($pic_data['scribd_doc_id'] && is_document($file) && in_array($extension, $scribd_valid_extensions)) {
$pic_data['html'] = <<
EOT;
}
// print_r($pic_data);
return $pic_data;
}
// Function to delete the file from scribd server
function scribd_delete_file($pic) {
global $CONFIG;
// Find required fields for this pic
$query = "SELECT scribd_doc_id, scribd_access_key FROM {$CONFIG['TABLE_PICTURES']} WHERE pid = '{$pic['pid']}'";
$result = cpg_db_query($query);
$pic_data = cpg_db_fetch_row($result);
// If we have a scribd doc id and access key then delete the file from scribd server
if ($pic_data['scribd_doc_id']) {
// First include the scribd php client
require_once('plugins/scribd/scribdclient.php');
// Create the client object
$scribd = new Scribd($CONFIG['scribd_api_key'], $CONFIG['scribd_api_secret']);
// Delete the document from scribd
$scribd->delete($pic_data['scribd_doc_id']);
}
}
?>