feat: split cron into import and mailing jobs

app/api/import/route.ts

@@ -0,0 +1,50 @@
+import { NextResponse } from 'next/server';
+import prisma from '../../../prisma/prisma';
+import { NewsDatabaseSchema } from '../../../utils/schemas';
+import { singleNews, topNews } from '../../../utils/urls';
+
+export async function GET(request: Request) {
+  if (
+    request.headers.get('Authorization') !== `Bearer ${process.env.CRON_SECRET}`
+  ) {
+    return new Response('Unauthorized', { status: 401 });
+  }
+
+  try {
+    const topstories: number[] = await fetch(topNews).then(res => res.json());
+
+    const newsPromises = topstories
+      .splice(0, Number(process.env.NEWS_LIMIT))
+      .map(async id => {
+        const sourceNews = await fetch(singleNews(id)).then(res => res.json());
+        const validation = NewsDatabaseSchema.safeParse(sourceNews);
+
+        if (validation.success) {
+          const result = await prisma.news.upsert({
+            create: {
+              ...validation.data,
+              id
+            },
+            update: {
+              ...validation.data
+            },
+            where: {
+              id
+            }
+          });
+
+          return result;
+        }
+      });
+
+    await Promise.all(newsPromises);
+
+    return new NextResponse(`Imported ${newsPromises.length} news.`, {
+      status: 200
+    });
+  } catch {
+    return new NextResponse(`Import failed.`, {
+      status: 500
+    });
+  }
+}