Add check for fourth recipient

src/app/api/tweet/route.ts

@@ -25,11 +25,16 @@ export async function POST(req: NextRequest): Promise<NextResponse> {
     const isHandleCorrect = handle === process.env.ACCOUNT_HANDLE;
 
     const isVerified = isSigVerified && isHandleCorrect;
-    if (isVerified) {
-      saveTweet({transactionSignature: txHash})
+    if (!isVerified) {
+      throw new Error('Tweet is not valid');
     }
 
-    return NextResponse.json({ isVerified })
+    const { isFourth } = await saveTweet({ transactionSignature: txHash });
+    if (isFourth) {
+      createTokenLockForRecipient();
+    }
+
+    return NextResponse.json({ success: isVerified, message: 'Tweet verified' })
   } catch (error) {
     console.error('Error while verifying tweet:', error)
     return NextResponse.json(
@@ -49,8 +54,12 @@ const extractData = (tweet: string | object) => {
   const handleMatch = decodedTweet.match(/@([A-Za-z0-9_]+)/);
 
   return {
-    // memeUrl: urlMatch ? urlMatch[1] : null,
+    memeUrl: urlMatch ? urlMatch[1] : null,
     txHash: txHashMatch ? txHashMatch[1].trim() : null,
     handle: handleMatch ? handleMatch[1] : null,
   };
 };
+
+const createTokenLockForRecipient = () => {
+  console.log('Lock created');
+}

src/utils/verifyTweet.ts

@@ -20,10 +20,14 @@ export async function verifySignatureInTweet(transactionSignature: string): Prom
   return true;
 }
 
-export async function saveTweet(data: Partial<Tweet>): Promise<void> {
-  await AppDataSource.transaction(async (transactionalEntityManager) => {
+export async function saveTweet(data: Partial<Tweet>): Promise<{ isFourth: boolean }> {
+  return await AppDataSource.transaction(async (transactionalEntityManager) => {
     const tweetRepository = transactionalEntityManager.getRepository(Tweet);
 
-    await tweetRepository.save(data);
+    const tweet = await tweetRepository.save(data);
+
+    return {
+      isFourth: tweet.id % 4 === 0
+    };
   });
 }