stackwiseai · jondwillis · Dec 19, 2023 · Dec 19, 2023 · Dec 19, 2023
diff --git a/ui/app/api/rag-langchain-with-copilotkit/route.ts b/ui/app/api/rag-langchain-with-copilotkit/route.ts
@@ -0,0 +1,6 @@
+export async function POST(req: Request) {
+  const { input } = await req.json();
+  return new Response(
+    JSON.stringify({ output: `You sent this message to the server: ${input}` }),
+  );
+}
diff --git a/ui/app/components/stacks/rag-langchain-with-copilotkit.tsx b/ui/app/components/stacks/rag-langchain-with-copilotkit.tsx
@@ -0,0 +1,69 @@
+import { useState } from 'react';
+import { IoSend } from 'react-icons/io5';
+import ReactMarkdown from 'react-markdown';
+
+export const ChatWithOpenAIStreaming = () => {
+  const [inputValue, setInputValue] = useState('');
+  const [output, setOutput] = useState('');
+  const [loading, setLoading] = useState(false);
+
+  const handleSubmit = async (event: React.FormEvent<HTMLFormElement>) => {
+    event.preventDefault();
+    console.log('Submitting:', inputValue);
+    if (inputValue.trim()) {
+      setOutput('');
+      setLoading(true);
+
+      const response = await fetch('/api/boilerplate-basic', {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({ input: inputValue }),
+      });
+      const data = await response.json();
+      console.log('data', data);
+      setOutput(data.output);
+      setLoading(false);
+    }
+  };
+  return (
+    <div className="w-3/4 md:w-1/2">
+      <form onSubmit={handleSubmit} className="flex flex-col">
+        <div className="relative w-full">
+          <input
+            type="text"
+            value={inputValue}
+            onChange={(e) => setInputValue(e.target.value)}
+            placeholder="Ask anything..."
+            className="focus:shadow-outline w-full rounded-full border border-gray-400 py-2 pl-4 pr-10 focus:outline-none"
+            onKeyDown={(e) => {
+              if (e.key === 'Enter')
+                handleSubmit(e as unknown as React.FormEvent<HTMLFormElement>);
+            }}
+          />
+          <button
+            type="submit"
+            className={`focus:shadow-outline absolute right-0 top-0 h-full cursor-pointer rounded-r-full px-4 font-bold text-black focus:outline-none ${
+              loading ? 'cursor-not-allowed opacity-50' : ''
+            }`}
+            disabled={loading}
+          >
+            <IoSend />
+          </button>
+        </div>
+      </form>
+      <div className="min-h-4 mt-4 max-h-96 w-full overflow-auto rounded-md bg-[#faf0e6] p-4 md:max-h-[28rem]">
+        {loading ? (
+          <span className="text-sm text-gray-400">Generating... </span>
+        ) : output ? (
+          <ReactMarkdown>{output}</ReactMarkdown>
+        ) : (
+          <p className="text-sm text-gray-400">Output here...</p>
+        )}
+      </div>
+    </div>
+  );
+};
+
+export default ChatWithOpenAIStreaming;
diff --git a/ui/public/stack-pictures/rag-langchain-with-copilotkit.png b/ui/public/stack-pictures/rag-langchain-with-copilotkit.png