Forgot to add DB.

core/db.lua

@@ -0,0 +1,59 @@
+db = {}
+
+db.Connection = {}
+db.Connection.__index = db.Connection
+db.Connections = {}
+
+db.Open = function(Handle)
+    if db.Connections[Handle] then
+        return db.Connections[Handle]
+    end
+
+    local SectionName = 'db-' .. Handle
+    local Backend = config:Get(SectionName, 'backend')
+    local Server = config:Get(SectionName, 'server')
+    local Port = tonumber(config:Get(SectionName, 'port'))
+    local Database = config:Get(SectionName, 'database')
+    local Username = config:Get(SectionName, 'username')
+    local Password = config:Get(SectionName, 'password')
+
+    if not Backend then
+        error("Server backend not specified.")
+    end
+
+    local Table = setmetatable({}, db.Connection)
+    Table.DB = DB
+    Table.Name = Handle
+    Table.Settings = {
+        Backend = Backend,
+        Server = Server,
+        Port = Port,
+        Database = Database,
+        Username = Username,
+        Password = Password
+    }
+    return Table
+end
+
+function db.Connection:Check()
+    if not self.DB or not self.DB:ping() then
+        local DB = DBI.Connect(self.Settings.Backend, self.Settings.Database,
+            self.Settings.Username, self.Settings.Password, self.Settings.Server,
+            self.Settings.Port)
+        if not DB then
+            error("Could not connect to database.")
+        end
+        self.DB = DB
+    end
+end
+
+function db.Connection:Query(Query, ...)
+    self:Check()
+
+    local Statement = self.DB:prepare(Query)
+    local Args = {...}
+    Statement:execute(unpack(Args))
+    if #Query > 6 and Query:sub(1,6):lower() == 'select' then
+        return Statement:rows(true)
+    end
+end