/**
* Set Etag
*
* if it's empty, set a valid Etag in the entries table
*
* @author Brian Hendrickson <*****@*****.**>
* @access public
* @return string[]
*/
function set_etag($person_id = NULL)
{
global $db;
$Entry =& $db->get_table('entries');
$atomentry = $Entry->find_by(array('resource' => $this->table, 'record_id' => $this->id), $this->id);
if ($atomentry) {
return true;
}
$atomentry = $Entry->base();
if ($person_id == NULL) {
$person_id = get_person_id();
}
if ($atomentry) {
$id = $this->primary_key;
$atomentry->set_value('etag', getEtag($this->{$id}));
$atomentry->set_value('resource', $this->table);
$atomentry->set_value('record_id', $this->{$id});
$atomentry->set_value('content_type', 'text/html');
$atomentry->set_value('last_modified', timestamp());
$atomentry->set_value('person_id', $person_id);
$aresult = $atomentry->save_changes();
if ($aresult && array_key_exists('entry_id', $this->attributes)) {
$this->set_value('entry_id', $atomentry->id);
$this->save_changes();
}
}
}
function update_from_post(&$req)
{
trigger_before('update_from_post', $this, $req);
global $db;
$fields = $this->fields_from_request($req);
if (isset($fields[$req->resource])) {
$fieldsarr = $fields[$req->resource];
}
if (!isset($fieldsarr)) {
trigger_error("The fields were not found in the request." . print_r($fields), E_USER_ERROR);
}
if ($this->has_metadata) {
$Person =& $db->model('Person');
$Group =& $db->model('Group');
if (!isset($req->params['entry']['etag'])) {
trigger_error("Sorry, the etag was not submitted with the database entry", E_USER_ERROR);
}
$atomentry = $db->models['entries']->find_by('etag', $req->params['entry']['etag']);
if (!$atomentry->exists) {
$atomentry = $db->models['entries']->base();
$atomentry->set_value('etag', getEtag(srand(date("s"))));
$atomentry->set_value('resource', $req->resource);
$atomentry->set_value('record_id', $rec->{$pkfield});
$atomentry->set_value('content_type', $content_type);
$atomentry->set_value('last_modified', timestamp());
$atomentry->set_value('person_id', get_person_id());
$aresult = $atomentry->save_changes();
}
$p = $Person->find(get_person_id());
if (!($p->id == $atomentry->attributes['person_id']) && !$this->can_superuser($req->resource)) {
trigger_error("Sorry, your id does not match the owner of the database entry", E_USER_ERROR);
}
$recid = $atomentry->attributes['record_id'];
if (empty($recid)) {
trigger_error('The input form eTag did not match a record_id in entries.', E_USER_ERROR);
}
} else {
$recid = $req->id;
if (empty($recid)) {
trigger_error('The record id was not found in the "id" form field.', E_USER_ERROR);
}
}
$rec = $this->find($recid);
foreach ($fieldsarr as $field => $type) {
if ($this->has_metadata && is_blob($rec->table . '.' . $field)) {
if (isset($_FILES[strtolower(classify($rec->table))]['name'][$field])) {
if ($this->has_metadata) {
$content_type = type_of($_FILES[strtolower(classify($rec->table))]['name'][$field]);
$atomentry->set_value('content_type', $content_type);
}
}
}
$rec->set_value($field, $req->params[strtolower(classify($rec->table))][$field]);
}
$result = $rec->save_changes();
foreach ($fields as $table => $fieldlist) {
// for each table in the submission do
$mdl =& $db->get_table($table);
if (!$mdl->can_write_fields($fieldlist)) {
trigger_error("Sorry, you do not have permission to " . $req->action . " " . $table, E_USER_ERROR);
}
if (!in_array($table, array('entries', $rec->table), true)) {
$rel = $rec->FirstChild($table);
foreach ($fieldlist as $field => $type) {
$rel->set_value($field, $req->params[strtolower(classify($table))][$field]);
}
$rel->save_changes();
}
}
if ($result) {
$req->set_param('id', $rec->id);
if ($this->has_metadata) {
$atomentry->set_value('last_modified', timestamp());
$atomentry->save_changes();
}
} else {
trigger_error("The record could not be updated in the database.", E_USER_ERROR);
}
trigger_after('update_from_post', $this, $rec);
}
