search dummy service

services/search.py

@@ -0,0 +1,19 @@
+import asyncio
+from orm.shout import Shout
+
+
+class SearchService:
+    lock = asyncio.Lock()
+    cache = {}
+
+    @staticmethod
+    def init(session):
+        self = SearchService
+        async with self.lock:
+            self.cache = {}
+
+    @staticmethod
+    async def search(text) -> [Shout]:
+        self = SearchService
+        async with self.lock:
+            return []  # TODO: implement getting shouts list