Adding more muamba actions

1 files changed, 86 insertions, 5 deletions

diff --git a/muamba.misc.inc b/muamba.misc.inc
index 25fceac..c164664 100644
--- a/muamba.misc.inc
+++ b/muamba.misc.inc
@@ -16,14 +16,95 @@ function muamba_request($nid) {
   $nid  = (int) $nid;
   $node = node_load($nid);
 
-  if (!$node) {
-    // TODO: error
-    return;
+  if (!$node || $node->type != MUAMBA_NODE_TYPE) {
+    drupal_not_found();
   }
 
   global $user;
 
-  // TODO: check if user is not blocked?
-  privatemsg_new_thread(array(user_load($node->uid)), 'User request', 'User has requested an item');
+  // TODO: check if user has permission to access the node.
+  // TODO: check if user is not blocked by privatemsg?
+
+  // Check if user already requested the item
+  if (muamba_check_user_request($nid, $user->uid)) {
+    // TODO
+  }
+
+  // Issue item request
+  // TODO
+
+  // Notify item owner
+  privatemsg_new_thread(array(user_load($node->uid)), t('Item request'), 'User has requested an item');
+
+  // User output
   return t('You have requested an item');
 }
+
+/**
+ * Check if user already requested an item.
+ *
+ * @param $nid
+ *   Item nid.
+ *
+ * @param $uid
+ *   Requester user nid.
+ *
+ * @return
+ *   TRUE if user already requested an item, FALSE otherwise.
+ */
+function muamba_check_user_request($nid, $uid) {
+  if (!is_int($nid) || !is_int($uid)) {
+    return FALSE;
+  }
+
+  $query = db_select('muamba', 'm');
+
+  $query
+    ->condition('m.nid', $nid, '=')
+    ->condition('m.uid', $uid, '=');
+
+  $result = $query->countQuery()->execute()->fetchField();
+
+  if ($result > 0) {
+    return TRUE;
+  }
+
+  return FALSE;
+}
+
+/**
+ * Release an item requested by a given user.
+ *
+ * @param $nid
+ *   Item nid.
+ *
+ * @param $uid
+ *   Requester user uid.
+ *
+ * @todo
+ */
+function muamba_release($nid, $uid) {
+  global $user;
+
+  $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
+  }
+}
+
+/**
+ * Get the requests sent or received.
+ *
+ * @param $uid
+ *   Requester user uid.
+ *
+ * @todo
+ */
+function muamba_get_requests($nid, $type = 'sent') {
+}