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<?php
/**
* @file
* Business logic for Muamba.
*/
/**
* Define which status belongs to an ongoing transaction.
*/
function muamba_ongoing() {
return array(
MUAMBA_REQUESTED,
MUAMBA_ACCEPTED,
MUAMBA_RETURNED,
MUAMBA_LOST,
);
}
/**
* Determine possible actions for a transaction.
*
* @param $type
* Transaction type (sent or received).
*
* @param $status
* Current transaction status.
*
* @return
* Array of available action codes.
*/
function muamba_actions_available($type = 'sent', $status) {
if ($type == 'sent') {
switch ($status) {
case MUAMBA_REQUESTED:
$actions = array(
MUAMBA_CANCELLED,
);
break;
case MUAMBA_ACCEPTED:
$actions = array(
MUAMBA_RETURNED,
);
break;
case MUAMBA_LOST:
$actions = array(
MUAMBA_RETURN,
);
break;
default:
$actions = array();
}
}
else {
switch ($status) {
case MUAMBA_REQUESTED:
$actions = array(
MUAMBA_ACCEPTED,
MUAMBA_REJECTED,
);
break;
case MUAMBA_ACCEPTED:
$actions = array(
MUAMBA_RECOVERED,
MUAMBA_LOST,
);
break;
case MUAMBA_RETURNED:
$actions = array(
MUAMBA_RECOVERED,
MUAMBA_LOST,
);
break;
case MUAMBA_LOST:
$actions = array(
MUAMBA_RECOVERED,
);
break;
default:
$actions = array();
}
}
return $actions;
}
/**
* Transaction management page.
*/
function muamba() {
global $user;
$sent = muamba_transactions_summary(muamba_get_transactions($user->uid));
$received = muamba_transactions_summary(muamba_get_transactions($user->uid, 'received'));
$output = theme('muamba_transactions', array('transactions' => $sent, 'type' => 'sent'));
$output .= theme('muamba_transactions', array('transactions' => $received, 'type' => 'received'));
return $output;
}
/**
* Request an item.
*
* @param $nid
* Requested item.
*/
function muamba_request($nid) {
global $user;
$nid = (int) $nid;
$node = node_load($nid);
// Access check
if (!muamba_has_request_access($node)) {
drupal_not_found();
}
// Check if user is blocked by the item owner
if (muamba_user_has_blocked($node, $user)) {
return t('The item owner has blocked you from asking this item.');
}
// TODO: check if the item is available
// Check if user already requested the item
if (muamba_check_user_request($nid, $user->uid)) {
return t('You already requested this item.');
}
// Create transaction
$transaction = array(
'nid' => $nid,
'owner' => $node->uid,
'uid' => $user->uid,
'status' => MUAMBA_REQUESTED,
);
// Issue item request
$transaction['mid'] = db_insert('muamba')
->fields($transaction)
->execute();
// Notify item owner
$subject = t('Item request: @title', array('@title' => check_plain($node->title)));
$message = theme('muamba_request_message', array('transaction' => $transaction));
$thread = privatemsg_new_thread(array(user_load($node->uid)), $subject , $message);
$thread_id = $thread['message']->thread_id;
// Update request with thread id
$update = db_update('muamba')
->fields(array(
'thread_id' => $thread_id,
))
->condition('mid', $transaction['mid'], '=')
->execute();
// User output
return t('You have requested an item');
}
/**
* Accept a transaction request.
*
* @param $mid
* Transaction id.
*/
function muamba_accept($mid) {
global $user;
$mid = (int) $mid;
$transaction = muamba_get_transaction($mid);
$node = node_load($transaction->nid);
// Access check
if (!muamba_has_management_access($node)) {
drupal_not_found();
}
// Status check
if ($transaction->status != MUAMBA_REQUESTED) {
drupal_not_found();
}
// Update database
$update = db_update('muamba')
->fields(array(
'status' => MUAMBA_ACCEPTED,
))
->condition('mid', $mid, '=')
->execute();
// Notify item owner
$message = theme('muamba_accept_message', array('transaction' => $transaction));
$reply = privatemsg_reply($transaction['thread_id'], $message);
return t('Accepted item request.');
}
/**
* Reject a transaction request.
*
* @param $mid
* Transaction id.
*
* @todo
*/
function muamba_reject($mid) {
}
/**
* Cancel a request.
*
* @param $mid
* Transaction id.
*
* @todo
*/
function muamba_cancel($mid) {
}
/**
* Return an item.
*
* @param $mid
* Transaction id.
*
* @todo
*/
function muamba_return($mid) {
}
/**
* Recover an item.
*
* @param $mid
* Transaction id.
*
* @todo
*/
function muamba_recover($mid) {
global $user;
// TODO: load nid from db
$nid = (int) $nid;
$node = node_load($nid);
if (!$node || $node->type != MUAMBA_NODE_TYPE) {
drupal_not_found();
}
if ($node->uid != $user->uid) {
// TODO: not node owner
}
}
/**
* Report a lost item.
*
* @param $mid
* Transaction id.
*
* @todo
*/
function muamba_lost($mid) {
}
|
