From 29af45435b156bccad2bffa32481791c7da80492 Mon Sep 17 00:00:00 2001
From: nemesislw <arghyadutta119@gmail.com>
Date: Fri, 12 Jul 2024 00:15:10 +0530
Subject: [PATCH] build: form state, data fetching, server actions integrated

---
 app/(auth)/auth/callback/route.ts    |  8 +--
 app/page.tsx                         |  5 +-
 components/generate-cta-button.tsx   | 44 ++++++++--------
 components/pickupline-input-form.tsx | 41 ++++++++++-----
 lib/ai/actions.ts                    | 79 ++++++++++++++++++++++------
 lib/supabase/actions.ts              |  3 --
 6 files changed, 123 insertions(+), 57 deletions(-)

diff --git a/app/(auth)/auth/callback/route.ts b/app/(auth)/auth/callback/route.ts
index 554c4d0..e33a173 100644
--- a/app/(auth)/auth/callback/route.ts
+++ b/app/(auth)/auth/callback/route.ts
@@ -1,6 +1,7 @@
 import { cookies } from "next/headers";
 import { NextResponse } from "next/server";
 import { createServerClient, type CookieOptions } from "@supabase/ssr";
+import { revalidatePath } from "next/cache";
 
 export async function GET(request: Request) {
   const { searchParams, origin } = new URL(request.url);
@@ -25,14 +26,15 @@ export async function GET(request: Request) {
             cookieStore.delete({ name, ...options });
           },
         },
-      }
+      },
     );
     const { error } = await supabase.auth.exchangeCodeForSession(code);
     if (!error) {
+      revalidatePath("/", "layout");
       return NextResponse.redirect(`${origin}/generate`);
     }
   }
 
-  // return the user to an error page
-  return NextResponse.redirect(`${origin}/error`);
+  // return the user to home page
+  return NextResponse.redirect(`${origin}`);
 }
diff --git a/app/page.tsx b/app/page.tsx
index 1e9e432..98f2951 100644
--- a/app/page.tsx
+++ b/app/page.tsx
@@ -1,6 +1,7 @@
 import Image from "next/image";
 
 import GenerateButton from "@/components/generate-cta-button";
+import Link from "next/link";
 
 export default function Home() {
   return (
@@ -25,7 +26,9 @@ export default function Home() {
               Generator
             </h1>
           </div>
-          <GenerateButton className="mb-24 w-[150px] md:w-[200px] lg:w-[300px]" />
+          <Link href="/generate">
+            <GenerateButton className="mb-24 w-[150px] md:w-[200px] lg:w-[300px]" />
+          </Link>
         </div>
       </div>
     </main>
diff --git a/components/generate-cta-button.tsx b/components/generate-cta-button.tsx
index c2aa481..9f6399c 100644
--- a/components/generate-cta-button.tsx
+++ b/components/generate-cta-button.tsx
@@ -1,4 +1,3 @@
-import Link from "next/link";
 import { Button } from "./ui/button";
 import Image from "next/image";
 import { cn } from "@/lib/utils";
@@ -6,39 +5,42 @@ import { cn } from "@/lib/utils";
 interface GenerateButtonProps {
   className?: string;
   text?: string;
+  isServerAction?: boolean;
+  pending?: boolean;
 }
 
 function GenerateButton({
   className,
   text = "Generate one for me",
+  isServerAction = false,
+  pending = false,
 }: GenerateButtonProps) {
   return (
     <Button
-      asChild
       className={cn(
         className,
         "h-8 rounded-full px-4 py-2 text-base text-white shadow-xl transition duration-300 hover:bg-rose-600 md:h-12 md:px-6 md:py-3 md:text-xl lg:text-3xl",
       )}
+      type={isServerAction ? "submit" : "button"}
+      aria-disabled={isServerAction && pending}
     >
-      <Link href="/generate">
-        <span className="flex items-center justify-center space-x-1 sm:space-x-2">
-          <Image
-            src="/ph_heart-fill.svg"
-            width={16}
-            height={17}
-            alt="Heart"
-            className="h-3 w-3 sm:h-4 sm:w-4 md:h-5 md:w-5"
-          />
-          <span>{text}</span>
-          <Image
-            src="/ph_heart-fill.svg"
-            width={16}
-            height={17}
-            alt="Heart"
-            className="h-3 w-3 sm:h-4 sm:w-4 md:h-5 md:w-5"
-          />
-        </span>
-      </Link>
+      <span className="flex items-center justify-center space-x-1 sm:space-x-2">
+        <Image
+          src="/ph_heart-fill.svg"
+          width={16}
+          height={17}
+          alt="Heart"
+          className="h-3 w-3 sm:h-4 sm:w-4 md:h-5 md:w-5"
+        />
+        <span>{text}</span>
+        <Image
+          src="/ph_heart-fill.svg"
+          width={16}
+          height={17}
+          alt="Heart"
+          className="h-3 w-3 sm:h-4 sm:w-4 md:h-5 md:w-5"
+        />
+      </span>
     </Button>
   );
 }
diff --git a/components/pickupline-input-form.tsx b/components/pickupline-input-form.tsx
index a69afb9..febc508 100644
--- a/components/pickupline-input-form.tsx
+++ b/components/pickupline-input-form.tsx
@@ -2,48 +2,65 @@
 import { Textarea } from "@/components/ui/textarea";
 import { Input } from "@/components/ui/input";
 
-import React, { useState } from "react";
+import React from "react";
 import GenerateButton from "./generate-cta-button";
+import { Generate } from "@/lib/ai/actions";
+import { useFormState, useFormStatus } from "react-dom";
+
+const initialState: {
+  message: string;
+  Data?: any;
+} = { message: "" };
 
 function PickupLineInputForm() {
-  const [crush, setCrush] = useState("");
-  const [style, setStyle] = useState("");
+  const { pending } = useFormStatus();
+  const [state, formAction] = useFormState(Generate, initialState);
+
   return (
     <div className="mx-auto w-full max-w-lg rounded-md bg-transparent text-[#FF2157]">
       <h1 className="mb-4 text-3xl leading-tight md:text-4xl lg:text-5xl">
         Pickup Line Generator
       </h1>
-
-      <form className="space-y-4">
+      <form
+        className="flex flex-col text-xl md:text-2xl lg:space-y-4"
+        action={formAction}
+      >
         <div>
           <label
-            htmlFor="Crush"
+            htmlFor="crushDescription"
             className="mb-1 block text-left text-[#A5455C]"
           >
             Tell us about your crush
           </label>
           <Textarea
-            id="Crush"
+            id="crushDescription"
+            name="crushDescription"
             rows={4}
             placeholder={"She is a 10 but...\nHe likes football...."}
-            className="w-full resize-none placeholder:text-[#DCDCDC] focus:outline-none focus:ring-0"
+            className="w-full resize-none placeholder:text-[#DCDCDC] focus:outline-none focus:ring-0 md:text-lg"
+            required
           />
         </div>
         <div>
           <label
-            htmlFor="Style"
+            htmlFor="style"
             className="mb-1 block text-left text-[#A5455C]"
           >
             Style
           </label>
           <Input
-            id="Style"
+            id="style"
+            name="style"
             type="text"
             placeholder="eg: Funny"
-            className="w-full placeholder:text-[#DCDCDC] focus:outline-none focus:ring-0"
+            className="w-full placeholder:text-[#DCDCDC] focus:outline-none focus:ring-0 md:text-lg"
+            required
           />
         </div>
-        <GenerateButton className="w-full" />
+        <div className="pt-4 md:pt-8">
+          <GenerateButton className="w-full" pending={pending} isServerAction />
+        </div>
+        <p>{state.Data?.style}</p>
       </form>
     </div>
   );
diff --git a/lib/ai/actions.ts b/lib/ai/actions.ts
index 90e8234..f6e82b8 100644
--- a/lib/ai/actions.ts
+++ b/lib/ai/actions.ts
@@ -1,21 +1,28 @@
 "use server";
 
-import { generateObject } from "ai";
+import { generateObject, streamObject } from "ai";
 import { z } from "zod";
 import { createStreamableValue } from "ai/rsc";
 import { CoreMessage, streamText } from "ai";
 import { OpenAI } from "openai";
 import { openai } from "@ai-sdk/openai";
 
+const formSchema = z.object({
+  crushDescription: z.string({
+    required_error: "Please provide a description of your crush",
+  }),
+  style: z.string({ required_error: "Style is required" }),
+});
+
 const anyscale = new OpenAI({
   baseURL: "https://api.endpoints.anyscale.com/v1",
   apiKey: process.env.ANYSCALE_API_KEY!,
 });
 
-async function chat_complete() {
-  const completion = await anyscale.chat.completions.create({
+async function chat_complete(formData: FormData) {
+  const completion = await anyscale.completions.create({
     model: "mistralai/Mixtral-8x22B-Instruct-v0.1",
-    messages: [],
+    prompt: "Generate a lasagna recipe.",
     temperature: 1,
     max_tokens: 256,
     top_p: 1,
@@ -24,18 +31,56 @@ async function chat_complete() {
   console.log(completion);
 }
 
-export async function Generate(formData: FormData) {
-  const { object } = await generateObject({
-    model: openai("mistralai/Mixtral-8x22B-Instruct-v0.1"),
-    schema: z.object({
-      recipe: z.object({
-        name: z.string(),
-        ingredients: z.array(
-          z.object({ name: z.string(), amount: z.string() }),
-        ),
-        steps: z.array(z.string()),
-      }),
-    }),
-    prompt: "Generate a lasagna recipe.",
+export async function Generate(
+  prevState: { message: string },
+  formData: FormData,
+) {
+  const validatedInputs = formSchema.safeParse({
+    crushDescription: formData.get("crushDescription"),
+    style: formData.get("style"),
   });
+
+  // Return early if the form data is invalid
+  if (!validatedInputs.success) {
+    return {
+      message: "Invalid form data",
+      errors: validatedInputs.error.flatten().fieldErrors,
+    };
+  }
+
+  // const { object } = await generateObject({
+  //   model: openai("mistralai/Mixtral-8x22B-Instruct-v0.1"),
+  //   schema: z.object({
+  //     recipe: z.object({
+  //       name: z.string(),
+  //       ingredients: z.array(
+  //         z.object({ name: z.string(), amount: z.string() }),
+  //       ),
+  //       steps: z.array(z.string()),
+  //     }),
+  //   }),
+  //   prompt: "Generate a lasagna recipe.",
+  // });
+
+  // const { partialObjectStream } = await streamObject({
+  //   model: openai("gpt-4-turbo"),
+  //   schema: z.object({
+  //     recipe: z.object({
+  //       name: z.string(),
+  //       ingredients: z.array(z.string()),
+  //       steps: z.array(z.string()),
+  //     }),
+  //   }),
+  //   prompt: "Generate a lasagna recipe.",
+  // });
+
+  // for await (const partialObject of partialObjectStream) {
+  //   console.clear();
+  //   console.log(partialObject);
+  // }
+
+  return {
+    message: "Generated recipe",
+    Data: validatedInputs.data,
+  };
 }
diff --git a/lib/supabase/actions.ts b/lib/supabase/actions.ts
index 9e08c36..0527a19 100644
--- a/lib/supabase/actions.ts
+++ b/lib/supabase/actions.ts
@@ -20,9 +20,6 @@ export async function Login(formData: FormData) {
   if (data.url) {
     redirect(data.url);
   }
-
-  revalidatePath("/", "layout");
-  // redirect("/generate");
 }
 
 export async function signOut(formData: FormData) {