feat: add summary using Anthropic API

.env.example

@@ -36,4 +36,5 @@ VERCEL_GIT_REPO_ID=""
 VERCEL_GIT_REPO_OWNER=""
 VERCEL_GIT_REPO_SLUG=""
 VERCEL_URL=""
-ANALYZE="false"
+ANALYZE="false"
+ANTHROPIC_API_KEY=""

.gitignore

@@ -16,6 +16,9 @@
 # production
 /build
 
+# analyze
+/analyze
+
 # yarn
 /.yarn
 

app/api/mailing/route.ts

@@ -83,9 +83,11 @@ export async function GET(request: NextRequest) {
 
     const validRankedNews = news.sort((a, b) => b.score - a.score);
 
+    const template = await NewsletterTemplate(validRankedNews);
+
     const sent = await sender(
       users.map(user => user.email),
-      NewsletterTemplate(validRankedNews)
+      template
     );
 
     if (!sent) {

components/email/Newsletter.tsx

@@ -1,9 +1,12 @@
 import { getSayings } from '@utils/getSayings';
+import { summirize } from '@utils/summarize';
 import { textTruncate } from '@utils/textTruncate';
 import { NewsType } from '@utils/validationSchemas';
 import Template from './Template';
 
-export default function NewsletterTemplate(stories: NewsType[]) {
+export default async function NewsletterTemplate(stories: NewsType[]) {
+  const summary = await summirize(stories);
+
   return {
     subject: `What's new from the Hackernews forum?`,
     template: (
@@ -11,72 +14,90 @@ export default function NewsletterTemplate(stories: NewsType[]) {
         title={`Here is something 
               ${getSayings[Math.floor(Math.random() * getSayings.length)]}!`}
         body={
-          <div>
+          <>
-            {stories.map(story => {
+            {summary && (
-              return (
+              <div
-                <div
+                style={{
-                  key={story.id}
+                  marginTop: '2rem',
-                  style={{
+                  marginBottom: '2rem',
-                    marginTop: '2rem',
+                  borderRadius: '0.5rem',
-                    marginBottom: '2rem',
+                  border: '2px solid #8230CC',
-                    borderRadius: '0.5rem',
+                  backgroundColor: `white`,
-                    border: '1px solid #e5e7eb',
+                  color: '#111827',
-                    backgroundColor: `white`,
+                  boxShadow: '0 16px 32px 0 rgba(0, 0, 0, 0.05)'
-                    color: '#111827',
+                }}
-                    boxShadow: '0 16px 32px 0 rgba(0, 0, 0, 0.05)'
+                data-v0-t='card'
-                  }}
+              >
-                  data-v0-t='card'
+                <p>{summary}</p>
-                >
+              </div>
+            )}
+            <div>
+              {stories.map(story => {
+                return (
                   <div
+                    key={story.id}
                     style={{
-                      display: 'flex',
+                      marginTop: '2rem',
-                      flexDirection: 'column',
+                      marginBottom: '2rem',
-                      gap: '0.375rem',
+                      borderRadius: '0.5rem',
-                      paddingTop: '1.5rem',
+                      border: '1px solid #e5e7eb',
-                      paddingLeft: '1.5rem',
+                      backgroundColor: `white`,
-                      paddingRight: '1.5rem'
+                      color: '#111827',
+                      boxShadow: '0 16px 32px 0 rgba(0, 0, 0, 0.05)'
                     }}
+                    data-v0-t='card'
                   >
-                    <h3>{story.title}</h3>
-                    <p style={{ fontSize: '1rem', fontStyle: 'italic' }}>
-                      by {story.by}
-                    </p>
-                  </div>
-                  {story.text && (
                     <div
                       style={{
+                        display: 'flex',
+                        flexDirection: 'column',
+                        gap: '0.375rem',
+                        paddingTop: '1.5rem',
                         paddingLeft: '1.5rem',
-                        fontSize: '1rem',
                         paddingRight: '1.5rem'
                       }}
                     >
-                      <p
+                      <h3>{story.title}</h3>
-                        dangerouslySetInnerHTML={{
+                      <p style={{ fontSize: '1rem', fontStyle: 'italic' }}>
-                          __html:
+                        by {story.by}
-                            story.text.length > 500
+                      </p>
-                              ? textTruncate(story.text, 500) + '...'
+                    </div>
-                              : story.text
+                    {story.text && (
+                      <div
+                        style={{
+                          paddingLeft: '1.5rem',
+                          fontSize: '1rem',
+                          paddingRight: '1.5rem'
                         }}
-                      />
+                      >
-                    </div>
+                        <p
-                  )}
+                          dangerouslySetInnerHTML={{
-                  {story.url && (
+                            __html:
-                    <div
+                              story.text.length > 500
-                      style={{
+                                ? textTruncate(story.text, 500) + '...'
-                        paddingBottom: '1.5rem',
+                                : story.text
-                        paddingLeft: '1.5rem',
+                          }}
-                        paddingRight: '1.5rem',
+                        />
-                        textAlign: 'right',
+                      </div>
-                        fontWeight: 'bold'
+                    )}
-                      }}
+                    {story.url && (
-                    >
+                      <div
-                      <a href={story.url}>Read more</a>
+                        style={{
-                    </div>
+                          paddingBottom: '1.5rem',
-                  )}
+                          paddingLeft: '1.5rem',
-                </div>
+                          paddingRight: '1.5rem',
-              );
+                          textAlign: 'right',
-            })}
+                          fontWeight: 'bold'
-          </div>
+                        }}
+                      >
+                        <a href={story.url}>Read more</a>
+                      </div>
+                    )}
+                  </div>
+                );
+              })}
+            </div>
+          </>
         }
       />
     )

package.json

@@ -21,6 +21,7 @@
     "prisma:reset": "npx prisma db push --force-reset"
   },
   "dependencies": {
+    "@anthropic-ai/sdk": "^0.27.3",
     "@hookform/resolvers": "^3.3.2",
     "@next/bundle-analyzer": "^14.2.5",
     "@prisma/client": "^5.6.0",

utils/anthropic.ts

@@ -0,0 +1,13 @@
+import Anthropic from '@anthropic-ai/sdk';
+
+export async function message(text: string) {
+  const anthropic = new Anthropic({
+    apiKey: process.env.ANTHROPIC_API_KEY
+  });
+
+  return anthropic.messages.create({
+    model: 'claude-3-5-sonnet-20240620',
+    max_tokens: 1024,
+    messages: [{ role: 'user', content: text }]
+  });
+}

utils/summarize.ts

@@ -0,0 +1,21 @@
+import { message } from './anthropic';
+import { NewsType } from './validationSchemas';
+
+export async function summirize(news: NewsType[]) {
+  const newsInput = news
+    .map(n => `TITLE: ${n.title}, CONTENT: ${n.text}, LINK: ${n.url}`)
+    .join('\n\n');
+
+  const promptSetup =
+    "You are a tech journalist with a technology degree and background. Summarize the following list of posts from an online forum as a TL;DR (Too Long; Didn't Read) summary. Your summary should:\n\n1. Be 200-500 words long.\n\n2. Consist multiple phrases in one single paragraph, combining related news items where possible.\n\n3. Highlight the 2-3 most significant or impactful news items.\n\n4. Provide context within broader tech trends or developments.\n\n5. Use a tone that is informative and slightly enthusiastic, aimed at tech-savvy general readers.\n\n6. Group news items by themes or technology areas if applicable.\n\n7. Be formatted for HTML use, with links incorporated as follows: <a href='[LINK]'>[linked text]</a>\n\nFocus on conveying the key points and their potential impact on the tech landscape. Your response should consist of the summary only.\n\nThe news items are structured as follows:\n\nTITLE: <title>\n\nCONTENT: <content>\n\nLINK: <link>\n\nPlease summarize the following news:";
+  try {
+    const response = await message(promptSetup + newsInput);
+
+    const summary = response.content[0] as { text: string };
+
+    return summary.text;
+  } catch (error) {
+    console.error(error);
+    return;
+  }
+}

yarn.lock

@@ -12,6 +12,21 @@ __metadata:
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+
 "which-boxed-primitive@npm:^1.0.2":
   version: 1.0.2
   resolution: "which-boxed-primitive@npm:1.0.2"