3 files changed, 26 insertions, 6 deletions

diff --git a/src/db/include/db_item.hrl b/src/db/include/db_item.hrl
new file mode 100644
index 0000000..86d5863
--- /dev/null
+++ b/src/db/include/db_item.hrl
@@ -0,0 +1,15 @@
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-record
+(
+   db_item,
+   {
+      id :: any(),
+      perm :: db_user:permission(),
+      val :: any()
+   }
+).
+
+-type db_item() :: #db_item{}.
+
diff --git a/src/db/include/db_query.hrl b/src/db/include/db_query.hrl
index 45c040b..ac7745a 100644
--- a/src/db/include/db_query.hrl
+++ b/src/db/include/db_query.hrl
@@ -1,8 +1,6 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
--type db_user() :: ({'user', any()} | 'admin' | 'any').
-
 -record
 (
    set_field,
@@ -34,9 +32,9 @@
 
 -record
 (
-   set_user,
+   set_perm,
    {
-      user :: db_user()
+      perm :: db_user:permission()
    }
 ).
 
@@ -46,12 +44,12 @@
    {
       db :: atom(),
       id :: any(),
-      user :: db_user(),
+      user :: db_user:user(),
       ops :: list(db_query_master_op())
    }
 ).
 
 -type db_query_op() :: (#set_field{} | #add_to_field{} | #update_indexed{}).
--type db_query_master_op() :: (db_query_op() | #set_user{}).
+-type db_query_master_op() :: (db_query_op() | #set_perm{}).
 -type db_query() :: #db_query{}.
 
diff --git a/src/db/include/db_user.hrl b/src/db/include/db_user.hrl
new file mode 100644
index 0000000..c5b033e
--- /dev/null
+++ b/src/db/include/db_user.hrl
@@ -0,0 +1,7 @@
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-type db_named_user() :: {'user', any()}.
+-type db_user() :: (db_named_user() | 'admin' | 'any').
+-type db_permission() :: (list(db_named_user()) | 'any').
+