Implement summarize_story for web

.gitattributes

@@ -0,0 +1 @@
+* text=auto eol=lf

website/src/pages/index.tsx

@@ -46,10 +46,13 @@ export default function Home() {
         />
       </Head>
       <Header />
-      <main className="h-3/4  z-0 bg-white flex items-center justify-center">
+      <main className="h-3/4  z-0 bg-white flex flex-col items-center justify-center gap-2">
         <Button size="lg" colorScheme="blue" className="drop-shadow">
           <Link href="/grading/grade-output">Rate a prompt and output now</Link>
         </Button>
+        <Button size="lg" colorScheme="blue" className="drop-shadow">
+          <Link href="/summarize/story">Summarize a story</Link>
+        </Button>
       </main>
       <Footer />
     </>

website/src/pages/summarize/story.tsx

@@ -0,0 +1,118 @@
+// TODO(#65): Unify and simplify the task paths
+import { Textarea } from "@chakra-ui/react";
+import { useRef, useState } from "react";
+import useSWRMutation from "swr/mutation";
+import useSWRImmutable from "swr/immutable";
+
+import fetcher from "src/lib/fetcher";
+import poster from "src/lib/poster";
+
+const SummarizeStory = () => {
+  // Use an array of tasks that record the sequence of steps until a task is
+  // deemed complete.
+  const [tasks, setTasks] = useState([]);
+
+  const inputRef = useRef<HTMLTextAreaElement>(null);
+
+  // Fetch the very fist task.  We can ignore everything except isLoading
+  // because the onSuccess handler will update `tasks` when ready.
+  const { isLoading } = useSWRImmutable("/api/new_task/summarize_story", fetcher, {
+    onSuccess: (data) => {
+      console.log(data);
+      setTasks([data]);
+    },
+  });
+
+  // Every time we submit an answer to the latest task, let the backend handle
+  // all the interactions then add the resulting task to the queue.  This ends
+  // when we hit the done task.
+  const { trigger, isMutating } = useSWRMutation("/api/update_task", poster, {
+    onSuccess: async (data) => {
+      const newTask = await data.json();
+      // This is the more efficient way to update a react state array.
+      setTasks((oldTasks) => [...oldTasks, newTask]);
+    },
+  });
+
+  // Trigger a mutation that updates the current task.  We should probably
+  // signal somewhere that this interaction is being processed.
+  const submitResponse = (task: { id: string }) => {
+    const text = inputRef.current.value.trim();
+    trigger({
+      id: task.id,
+      content: {
+        update_type: "text_reply_to_post",
+        text,
+      },
+    });
+  };
+
+  /**
+   * TODO: Make this a nicer loading screen.
+   */
+  if (tasks.length == 0) {
+    return <div className=" p-6 h-full mx-auto bg-slate-100 text-gray-800">Loading...</div>;
+  }
+
+  return (
+    <div className=" p-6 h-full mx-auto bg-slate-100 text-gray-800">
+      {/* Instrunction and Output panels */}
+      <section className="mb-8  lt-lg:mb-12 ">
+        <div className="grid lg:gap-x-12 lg:grid-cols-2">
+          {/* Instruction panel */}
+          <div className="rounded-lg shadow-lg h-full block bg-white">
+            <div className="p-6">
+              <h5 className="text-lg font-semibold">Instruction</h5>
+              <p className="text-lg py-1">Summarize the following story</p>
+              <div className="bg-slate-800 p-6 rounded-xl text-white whitespace-pre-wrap">{tasks[0].task.story}</div>
+            </div>
+          </div>
+
+          {/* Output panel */}
+          <div className="mt-6 lg:mt-0 rounded-lg shadow-lg h-full block bg-white">
+            <div className="flex justify-center p-6">
+              <Textarea name="summary" placeholder="Summary" ref={inputRef} />
+            </div>
+          </div>
+        </div>
+      </section>
+
+      {/* Info & controls */}
+      <section className="mb-8 p-4 rounded-lg shadow-lg bg-white flex flex-row justify-items-stretch ">
+        <div className="flex flex-col justify-self-start text-gray-700">
+          <div>
+            <span>
+              <b>Prompt</b>
+            </span>
+            <span className="ml-2">{tasks[0].id}</span>
+          </div>
+          <div>
+            <span>
+              <b>Output</b>
+            </span>
+            <span className="ml-2">Submit your answer</span>
+          </div>
+        </div>
+
+        {/* Skip / Submit controls */}
+        <div className="flex justify-center ml-auto">
+          <button
+            type="button"
+            className="mr-2 inline-flex items-center rounded-md border border-transparent bg-indigo-100 px-4 py-2 text-sm font-medium text-indigo-700 hover:bg-indigo-200 focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:ring-offset-2"
+          >
+            Skip
+          </button>
+          <button
+            type="button"
+            onClick={() => submitResponse(tasks[0])}
+            className="inline-flex items-center rounded-md border border-transparent bg-indigo-600 px-4 py-2 text-sm font-medium text-white shadow-sm hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:ring-offset-2"
+          >
+            Submit
+          </button>
+        </div>
+      </section>
+    </div>
+  );
+};
+
+export default SummarizeStory;