From f53768612b1e2268697b5444e502032ef9f3fb3c Mon Sep 17 00:00:00 2001
From: Nate Sesti <sestinj@gmail.com>
Date: Tue, 23 May 2023 23:45:12 -0400
Subject: copying from old repo

---
 extension/react-app/src/redux/slices/chatSlice.ts | 93 +++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 extension/react-app/src/redux/slices/chatSlice.ts

(limited to 'extension/react-app/src/redux/slices/chatSlice.ts')

diff --git a/extension/react-app/src/redux/slices/chatSlice.ts b/extension/react-app/src/redux/slices/chatSlice.ts
new file mode 100644
index 00000000..848cccd4
--- /dev/null
+++ b/extension/react-app/src/redux/slices/chatSlice.ts
@@ -0,0 +1,93 @@
+import { createSlice } from "@reduxjs/toolkit";
+import { ChatMessage, RootStore } from "../store";
+
+export const chatSlice = createSlice({
+  name: "chat",
+  initialState: {
+    messages: [],
+    isStreaming: false,
+  } as RootStore["chat"],
+  reducers: {
+    addMessage: (
+      state,
+      action: {
+        type: string;
+        payload: ChatMessage;
+      }
+    ) => {
+      return {
+        ...state,
+        messages: [...state.messages, action.payload],
+      };
+    },
+    setIsStreaming: (state, action) => {
+      return {
+        ...state,
+        isStreaming: action.payload,
+      };
+    },
+    streamUpdate: (state, action) => {
+      if (!state.isStreaming) {
+        return {
+          ...state,
+          messages: [
+            ...state.messages,
+            {
+              role: "assistant",
+              content: action.payload,
+            },
+          ],
+          isStreaming: true,
+        };
+      } else {
+        let lastMessage = state.messages[state.messages.length - 1];
+        if (lastMessage.role !== "assistant") {
+          return {
+            ...state,
+            messages: [
+              ...state.messages,
+              {
+                role: "assistant",
+                content: action.payload,
+              },
+            ],
+            isStreaming: true,
+          };
+        }
+        return {
+          ...state,
+          messages: [
+            ...state.messages.slice(0, state.messages.length - 1),
+            {
+              ...lastMessage,
+              content: lastMessage.content + action.payload,
+            },
+          ],
+          isStreaming: true,
+        };
+      }
+    },
+    closeStream: (state) => {
+      return {
+        ...state,
+        isStreaming: false,
+      };
+    },
+    clearChat: (state) => {
+      return {
+        ...state,
+        messages: [],
+        isStreaming: false,
+      };
+    },
+  },
+});
+
+export const {
+  addMessage,
+  streamUpdate,
+  closeStream,
+  clearChat,
+  setIsStreaming,
+} = chatSlice.actions;
+export default chatSlice.reducer;
-- 
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