From 5cd0054058a718e5694c8542f72f586f06b69fc8 Mon Sep 17 00:00:00 2001
From: Silvio Rhatto <rhatto@riseup.net>
Date: Sat, 24 Sep 2011 20:42:57 -0300
Subject: Basic working code for an item request

---
 muamba.business.inc | 39 ++++++++++++++++++++++++++-------------
 1 file changed, 26 insertions(+), 13 deletions(-)

(limited to 'muamba.business.inc')

diff --git a/muamba.business.inc b/muamba.business.inc
index f7b9e05..59e4bd1 100644
--- a/muamba.business.inc
+++ b/muamba.business.inc
@@ -12,30 +12,43 @@
  *   Requested item.
  */
 function muamba_request($nid) {
-  // Sanitize
+  global $user;
   $nid  = (int) $nid;
   $node = node_load($nid);
 
-  if (!$node || $node->type != MUAMBA_NODE_TYPE) {
+  // Access check
+  if (!$node || $node->type != MUAMBA_NODE_TYPE || !node_access('view', $node)) {
     drupal_not_found();
   }
 
-  global $user;
-
-  // TODO: check if user has permission to access the node.
-  // TODO: check if user is not blocked by privatemsg?
+  // Check if user is blocked by the item owner
+  if (module_exists('pm_block_user')) {
+    $owner = user_load($node->uid);
+    if (pm_block_user_has_blocked($user, $owner)) {
+      return t('The item owner has blocked you from asking this item.');
+    }
+  }
 
   // Check if user already requested the item
   if (muamba_check_user_request($nid, $user->uid)) {
-    // TODO
+    return t('You already requested this item.');
   }
 
   // Notify item owner
   $thread = privatemsg_new_thread(array(user_load($node->uid)), t('Item request'), 'User has requested an item');
-  $thread_id = $thread['message']['thread_id'];
+  $thread_id = $thread['message']->thread_id;
 
   // Issue item request
-  // TODO
+  $request = db_insert('muamba')
+    ->fields(
+      array(
+        'nid'       => $nid,
+        'uid'       => $user->uid,
+        'status'    => MUAMBA_REQUESTED,
+        'thread_id' => $thread_id,
+      )
+    )
+    ->execute();
 
   // User output
   return t('You have requested an item');
@@ -54,15 +67,15 @@ function muamba_request($nid) {
  *   TRUE if user already requested an item, FALSE otherwise.
  */
 function muamba_check_user_request($nid, $uid) {
-  if (!is_int($nid) || !is_int($uid)) {
-    return FALSE;
-  }
+  $nid = (int) $nid;
+  $uid = (int) $uid;
 
   $query = db_select('muamba', 'm');
 
   $query
     ->condition('m.nid', $nid, '=')
-    ->condition('m.uid', $uid, '=');
+    ->condition('m.uid', $uid, '=')
+    ->condition('m.status', MUAMBA_REQUESTED, '=');
 
   $result = $query->countQuery()->execute()->fetchField();
 
-- 
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