+
+ // getEntityFiles obtains a list of files for an entity.
+ static function getEntityFiles($id, $type) {
+ global $user;
+ $mdb2 = getConnection();
+
+ $group_id = $user->getGroup();
+ $org_id = $user->org_id;
+
+ $result = array();
+ $entity_type = $mdb2->quote($type);
+ $sql = "select id, remote_id, file_name as name, description from tt_files".
+ " where entity_type = $entity_type and entity_id = $id".
+ " and group_id = $group_id and org_id = $org_id and status = 1 order by id";
+ $res = $mdb2->query($sql);
+ if (!is_a($res, 'PEAR_Error')) {
+ while ($val = $res->fetchRow()) {
+ $result[] = $val;
+ }
+ }
+ return $result;
+ }
+
+ // get - obtains file details from local database.
+ static function get($id) {
+ global $user;
+ $mdb2 = getConnection();
+
+ $group_id = $user->getGroup();
+ $org_id = $user->org_id;
+
+ $sql = "select id, remote_id, file_key, entity_type, entity_id, file_name, description, status from tt_files".
+ " where id = $id and group_id = $group_id and org_id = $org_id and (status = 0 or status = 1)";
+ $res = $mdb2->query($sql);
+ if (!is_a($res, 'PEAR_Error')) {
+ $val = $res->fetchRow();
+ if ($val && $val['id'])
+ return $val;
+ }
+ return false;
+ }
+
+ // update - updates file details in local database.
+ static function update($fields) {
+ global $user;
+ $mdb2 = getConnection();
+
+ $group_id = $user->getGroup();
+ $org_id = $user->org_id;
+
+ $file_id = (int) $fields['id'];
+ $description = $mdb2->quote($fields['description']);
+
+ $sql = "update tt_files set description = $description where id = $file_id".
+ " and group_id = $group_id and org_id = $org_id and (status = 0 or status = 1)";
+ $affected = $mdb2->exec($sql);
+ return !is_a($affected, 'PEAR_Error');
+ }
+
+
+ // getFile - downloads file from remote storage to memory.
+ function getFile($fields) {
+ global $i18n;
+ global $user;
+ $mdb2 = getConnection();
+
+ $group_id = $user->getGroup();
+ $org_id = $user->org_id;
+
+ $curl_fields = array('site_id' => urlencode($this->site_id),
+ 'site_key' => urlencode($this->site_key),
+ 'org_id' => urlencode($org_id),
+ 'org_key' => urlencode($this->getOrgKey()),
+ 'group_id' => urlencode($group_id),
+ 'group_key' => urlencode($this->getGroupKey()),
+ 'user_id' => urlencode($fields['user_id']), // May be null.
+ 'user_key' => urlencode($fields['user_key']), // May be null.
+ 'file_id' => urlencode($fields['remote_id']),
+ 'file_key' => urlencode($fields['file_key']),
+ 'file_name' => urlencode($fields['file_name']));
+
+ // url-ify the data for the POST.
+ foreach($curl_fields as $key=>$value) { $fields_string .= $key.'='.$value.'&'; }
+ $fields_string = rtrim($fields_string, '&');
+
+ // Open connection.
+ $ch = curl_init();
+
+ // Set the url, number of POST vars, POST data.
+ curl_setopt($ch, CURLOPT_URL, $this->getfile_uri);
+ curl_setopt($ch, CURLOPT_POST, count($fields));
+ curl_setopt($ch, CURLOPT_POSTFIELDS, $fields_string);
+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+
+ // Execute a post request.
+ $result = curl_exec($ch);
+
+ $error = curl_error();
+ $result_array2 = json_decode($result, true);
+
+ // Close connection.
+ curl_close($ch);
+
+ if (!$result) {
+ $this->errors->add($i18n->get('error.file_storage'));
+ return false;
+ }
+
+ $result_array = json_decode($result, true);
+ $status = (int) $result_array['status'];
+ $error = $result_array['error'];
+
+ if ($error) {
+ // Add an error from file storage facility if we have it.
+ $this->errors->add($error);
+ return false;
+ }
+ if ($status != 1) {
+ // There is no explicit error message, but still something not right.
+ $this->errors->add($i18n->get('error.file_storage'));
+ return false;
+ }
+
+ $this->file_data = $result_array['content'];
+ return true;
+ }
+
+
+ // getFileData - returns file data from memory.
+ function getFileData() {
+ return base64_decode($this->file_data);
+ }