Add OlegDB client

lib/oleg.moon

@@ -0,0 +1,30 @@
+config = require("lapis.config").get!
+http   = require "lapis.nginx.http"
+
+request = (method, table, key, value=nil) ->
+  oleg_res, code = http.simple {
+    url:    "http://#{config.oleg.host}:#{config.oleg.port}/#{table}/#{key}"
+    method: method
+    body:   value
+  }
+
+  if code ~= 200
+    return nil, code
+
+  if not oleg_res
+    return nil, 404
+
+  oleg_res, nil
+
+ret = {}
+
+ret.get = (table, key) ->
+  request "GET", table, key
+
+ret.delete = (table, key) ->
+  request "DELETE"
+
+ret.set = (table, key, value) ->
+  request "POST", table, key, value
+
+ret