1 files changed, 0 insertions, 132 deletions
diff --git a/src/db/logic/db_access.erl b/src/db/logic/db_access.erl
deleted file mode 100644
index 39019a6..0000000
--- a/src/db/logic/db_access.erl
+++ /dev/null
@@ -1,132 +0,0 @@
--module(db_access).
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% EXPORTS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
--export
-(
-   [
-      read/3,
-      remove/3,
-      reserve/3,
-      insert_at/5,
-      insert/4,
-      query/1
-   ]
-).
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
--spec query_transaction (shr_db_query:type()) -> 'ok'.
-query_transaction (Query) ->
-   DB = shr_db_query:get_database(Query),
-   ID = shr_db_query:get_entry_id(Query),
-   [Item] = mnesia:read(DB, ID),
-   {ok, UpdatedItem} = shr_db_query:apply_to(Query, Item),
-
-   mnesia:write(DB, UpdatedItem, sticky_write),
-
-   ok.
-
--spec add_new_item (atom(), shr_db_item:type()) -> 'ok'.
-add_new_item (DB, Item) ->
-   ID = shr_db_item:get_id(Item),
-   [] = mnesia:read(DB, ID),
-
-   mnesia:write(DB, Item, sticky_write),
-
-   ok.
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% EXPORTED FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
--spec read
-   (
-      atom(),
-      binary(),
-      shr_db_user:user()
-   )
-   -> ({'aborted', any()} | {'atomic', ({'ok', any()} | 'not_found')}).
-read (DB, ID, Cred) ->
-   case mnesia:transaction(fun mnesia:read/2, [DB, ID]) of
-      {'atomic', []} -> {'atomic', 'not_found'};
-      {'atomic', [Item]} ->
-         true =
-            shr_db_user:can_access
-            (
-               shr_db_item:get_read_permission(Item),
-               Cred
-            ),
-         {'atomic', {ok, shr_db_item:get_value(Item)}};
-
-      Other -> {'aborted', Other}
-   end.
-
--spec insert_at
-   (
-      atom(),
-      binary(),
-      shr_db_user:permission(),
-      shr_db_user:permission(),
-      any())
-   -> ({'aborted', any()} | {'atomic', 'ok'}).
-insert_at (DB, ID, ReadPerm, WritePerm, Value) ->
-   Item = shr_db_item:new(ID, ReadPerm, WritePerm, Value),
-   mnesia:transaction(fun add_new_item/2, [DB, Item]).
-
--spec insert
-   (
-      atom(),
-      shr_db_user:permission(),
-      shr_db_user:permission(),
-      any())
-   -> ({'aborted', any()} | {'atomic', {'ok', binary()}}).
-insert (DB, ReadPerm, WritePerm, Value) ->
-   ID = db_item_ids_manager:allocate(DB),
-   case insert_at(DB, ID, ReadPerm, WritePerm, Value) of
-      {'atomic', 'ok'} -> {'atomic', {'ok', ID}};
-      {aborted, Val} -> {aborted, Val}
-   end.
-
--spec query (shr_db_query:type()) -> ({'aborted', any()} | {'atomic', 'ok'}).
-query (Query) ->
-   mnesia:transaction(fun query_transaction/1, [Query]).
-
--spec reserve
-   (
-      atom(),
-      binary(),
-      shr_db_user:user()
-   )
-   -> ({'aborted', any()} | {'atomic', 'ok'}).
-reserve (DB, ID, Cred) ->
-   insert_at
-   (
-      DB,
-      ID,
-      [Cred],
-      [Cred],
-      {
-         reserved,
-         <<"?">> %% TODO [FUNCTION: db][LOW]: timestamp
-      }
-   ).
-
--spec remove
-   (
-      atom(),
-      binary(),
-      shr_db_user:user()
-   )
-   -> ({'aborted', any()} | {'atomic', ({'ok', any()} | 'not_found')}).
-remove (_DB, _ID, _Cred) ->
-   %% TODO [FUNCTION: db][MEDIUM]: unimplemented
-   %% Don't forget to checkt that Cred has write access before removing the
-   %% value.
-   {'aborted', 'unimplemented'}.