Add DynamoDb support

text_db.py

@@ -0,0 +1,27 @@
+import random
+
+import constants
+from db_service import DbService
+import common
+
+
+class TextDb(DbService):
+
+    def __init__(self) -> None:
+        super().__init__()
+        self.FACTS_LIST = None
+
+    def load_facts_from_file(self):
+        facts_file = open(f"{constants.FACTS_PATH}", mode="r")
+        self.FACTS_LIST = facts_file.readlines()
+        assert self.FACTS_LIST
+
+    def get_fact(self):
+        if self.FACTS_LIST is None:
+            self.load_facts_from_file()
+        return random.choice(self.FACTS_LIST)
+
+    def get_multiple_facts(self, count=5):
+        if self.FACTS_LIST is None:
+            self.load_facts_from_file()
+        return random.sample(self.FACTS_LIST, k=count)