1 files changed, 51 insertions, 0 deletions
diff --git a/rag/retriever/memory.py b/rag/retriever/memory.py
new file mode 100644
index 0000000..c4455ed
--- /dev/null
+++ b/rag/retriever/memory.py
@@ -0,0 +1,51 @@
+from dataclasses import dataclass
+from typing import Dict, List
+
+
+@dataclass
+class Log:
+    user: Message
+    bot: Message
+
+    def get():
+        return (user, bot)
+
+
+@dataclass
+class Message:
+    role: str
+    message: str
+
+    def as_dict(self, model: str) -> Dict[str, str]:
+        if model == "cohere":
+            match self.role:
+                case "user":
+                    role = "USER"
+                case _:
+                    role = "CHATBOT"
+
+            return {"role": role, "message": self.message}
+        else:
+            return {"role": self.role, "content": self.message}
+
+
+class Memory:
+    def __init__(self, reranker) -> None:
+        self.history = []
+        self.reranker = reranker
+        self.user = "user"
+        self.bot = "assistant"
+
+    def add(self, prompt: str, response: str):
+        self.history.append(
+            Log(
+                user=Message(role=self.user, message=prompt),
+                bot=Message(role=self.bot, message=response),
+            )
+        )
+
+    def get(self) -> List[Log]:
+        return [m.as_dict() for log in self.history for m in log.get()]
+
+    def reset(self):
+        self.history = []