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Write in Hebrew, except for professional terms that are not acceptable to translate into Hebrew.\n2. Produce a concise TL;DR in Markdown.\n3. Include EVERY important topic mentioned in the newsletter. \n4. For each topic:\n - Write a short bullet summarizing it.\n - At the end of the bullet, add parentheses describing what additional details appear in the original article or post.\n5. Ignore greetings, signatures, unsubscribe sections, legal text, tracking pixels, advertisements that are unrelated to the newsletter's content, and repeated footer content.\n6. Keep the summary compact, but never at the expense of skipping important topics.\n7. End with:\n **בשורה התחתונה:** followed by one concise sentence.\n8. If the newsletter contains a link to the complete article/post/read more page, add a final section:\n **לקריאה נוספת:**\n followed by the most relevant URL(s).\n9. If the content is empty or is not a newsletter, return only:\n \"לא נמצא תוכן של ניוזלטר.\"\n`;\n\nexport async function summarizeNewsletter(\n subject: string,\n body: string,\n): Promise {\n const apiKey = Deno.env.get(\"GEMINI_API_KEY\");\n if (!apiKey) {\n throw new Error(\"GEMINI_API_KEY env var is not set\");\n }\n\n const userContent = `Subject: ${subject}\\n\\n${body}`.slice(0, 12_000);\n const url =\n `https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash:generateContent?key=${apiKey}`;\n\n const res = await fetch(url, {\n method: \"POST\",\n headers: {\n \"Content-Type\": \"application/json\",\n },\n body: JSON.stringify({\n systemInstruction: {\n parts: [\n {\n text: SYSTEM_PROMPT,\n },\n ],\n },\n contents: [\n {\n parts: [\n {\n text: userContent,\n },\n ],\n },\n ],\n generationConfig: {\n temperature: 0.3,\n },\n }),\n });\n\n if (!res.ok) {\n const errText = await res.text();\n throw new Error(`API error ${res.status}: ${errText}`);\n }\n\n const data = await res.json();\n\n const text = data?.candidates?.[0]?.content?.parts?.[0]?.text;\n\n if (!text) {\n throw new Error(\n `Unexpected Gemini response:\\n${JSON.stringify(data, null, 2)}`,\n );\n }\n\n return text.trim();\n}","createdAt",["D",1783899595332],"branchVersion","branchId","38117081-d964-4d13-8cc8-a46ddd4f20b5",{"_34":48,"_36":47,"_37":38,"_39":49,"_41":50,"_43":14,"_44":45,"_28":29},"shabbat.ts","019f58b3-a297-765b-8b59-64f3ddcb950d","// Checks whether it's currently Shabbat using the Hebcal API\n//\n// Location is set via the HEBCAL_GEONAMEID env var (geonames.org city ID).\n// Defaults to Jerusalem (281184).\n// Change HEBCAL_GEONAMEID to match your city.\n//\n// Find your city ID: https://www.geonames.org\n// Jerusalem, Israel → 281184\n// Tel Aviv, Israel → 293397\n// Haifa, Israel → 294801\n// Petah Tikva, Israel → 293918\n// Bnei Brak, Israel → 295548\n// Beit Shemesh, Israel → 295620\n// Beitar Illit, Israel → 284375\n// New York, USA → 5128581\n// London, UK → 2643743\n\nconst GEONAME_ID = Deno.env.get(\"HEBCAL_GEONAMEID\") ?? \"281184\";\n\nexport async function isAssurBemlacha(): Promise {\n const url =\n `https://www.hebcal.com/zmanim?cfg=json&geonameid=${GEONAME_ID}&im=1`;\n\n const res = await fetch(url);\n\n if (!res.ok) {\n throw new Error(`Hebcal API error: ${res.status}`);\n }\n\n const data = await res.json();\n\n return data.status?.isAssurBemlacha ?? false;\n}",["D",1783899595332],{"_34":53,"_36":52,"_37":54,"_39":55,"_41":56,"_43":14,"_44":45,"_28":29},"send-queued.ts","019f58b3-a297-765b-8b59-6292fb4b47eb","interval","// Cron: sends emails that were queued during Shabbat, once havdalah has passed.\nimport { email } from \"https://esm.town/v/std/email\";\nimport { blob } from \"https://esm.town/v/std/blob/main.ts\";\nimport { QUEUE_KEY, type QueuedEmail } from \"./queue.ts\";\nimport { isAssurBemlacha } from \"./shabbat.ts\";\n\nexport default async function () {\n const queue: QueuedEmail[] = (await blob.getJSON(QUEUE_KEY)) ?? [];\n\n if (queue.length === 0) {\n return;\n }\n\n if (await isAssurBemlacha()) {\n console.log(\"Still during Shabbat/Yom Tov. Queue not processed.\");\n return;\n }\n\n const remaining: QueuedEmail[] = [];\n\n for (const item of queue) {\n try {\n await email({\n subject: item.subject,\n html: item.html,\n });\n\n console.log(\"Sent queued email:\", item.subject);\n } catch (err) {\n console.error(\n \"Failed to send queued email, keeping in queue:\",\n err,\n );\n\n remaining.push(item);\n }\n }\n\n await blob.setJSON(QUEUE_KEY, remaining);\n\n console.log(\n `Queue processed: ${\n queue.length - remaining.length\n } sent, ${remaining.length} remaining`,\n );\n}",["D",1783899595332],{"_34":59,"_36":58,"_37":54,"_39":60,"_41":61,"_43":14,"_44":45,"_28":29},"queue.ts","019f58b3-a297-765b-8b59-5f30bad9284e","// Shared queue definitions for Shabbat-delayed emails\nexport const QUEUE_KEY = \"email-queue\";\n\nexport interface QueuedEmail {\n subject: string;\n html: string;\n}",["D",1783899595332],{"_34":64,"_36":63,"_37":65,"_39":66,"_41":67,"_43":14,"_44":45,"_28":29},"main.ts","019f58b3-a297-765b-8b59-594f1765bc12","email","import { email } from \"https://esm.town/v/std/email\";\nimport { blob } from \"https://esm.town/v/std/blob/main.ts\";\nimport { summarizeNewsletter } from \"./summarize.ts\";\nimport { isAssurBemlacha } from \"./shabbat.ts\";\nimport { QUEUE_KEY, type QueuedEmail } from \"./queue.ts\";\nimport { marked } from \"npm:marked\";\n\nexport default async function (e: Email) {\n console.log(\"Newsletter received:\", e.from, e.subject);\n\n // Prefer plain text, fall back to HTML stripped of tags\n const body = e.text ||\n (e.html ? e.html.replace(/<[^>]*>/g, \" \").replace(/\\s+/g, \" \").trim() : \"\");\n\n if (!body) {\n console.log(\"Empty body — skipping\");\n return;\n }\n\n try {\n const summary = await summarizeNewsletter(\n e.subject ?? \"(no subject)\",\n body,\n );\n console.log(\"Summary generated:\", summary);\n\n const subject = `📬 TL;DR — ${e.subject ?? \"Newsletter\"}`;\n const html = `\n

📬 TL;DR Newsletter Summary

\n From: ${e.from}
\n Subject: ${e.subject ?? \"(no subject)\"}\n

\n ${marked.parse(summary.replace(/\\n/g, \"
\"))}\n

\n Newsletter TL;DR automation by \n \n val.town\n & \n shlmt\n \n

\n `;\n\n // Don't send during Shabbat — queue for delivery after havdalah instead.\n // If the Hebcal check fails for any reason, fall back to sending immediately.\n let isShabbatNow = false;\n let havdalah: Date | undefined;\n try {\n isShabbatNow = await isAssurBemlacha();\n } catch (err) {\n console.error(\"Hebcal check failed, sending immediately:\", err);\n }\n\n if (isShabbatNow) {\n const queue: QueuedEmail[] = (await blob.getJSON(QUEUE_KEY)) ?? [];\n queue.push({ subject, html });\n await blob.setJSON(QUEUE_KEY, queue);\n console.log(\n `It's Shabbat — email queued for delivery after havdalah (${havdalah.toISOString()})`,\n );\n return;\n }\n\n await email({ subject, html });\n console.log(\"TL;DR email sent successfully\");\n } catch (err) {\n console.error(\"Failed to process newsletter:\", err);\n throw err;\n }\n}",["D",1783899595332],{"_34":70,"_36":69,"_37":25,"_39":71,"_41":72,"_43":14,"_44":45,"_28":29},"README.md","019f58b3-a297-765b-8b59-547d58b2ed99","# 📬 Newsletter TL;DR\n\nAutomatically summarize newsletters and get a TL;DR delivered to your email.\n\n## How it works\n\n1. You subscribe to any newsletter using your val's email address\n2. When a newsletter arrives, it's summarized by AI (OpenAI `gpt-4o-mini`)\n3. A TL;DR summary is emailed to your Val Town account email\n\n## Setup\n\n### 1. Add your GEMINI API key\n\n👉 Add GEMINI_API_KEY here:\nhttps://www.val.town/x/shlmt/newsletter-tldr/environment-variables?key=GEMINI_API_KEY\n\nGet a key at [Google AI Studio](https://aistudio.google.com/app/apikey).\n\n### 2. Subscribe to newsletters\n\nUse your val's email address when subscribing to any newsletter:\n\nThat's it! Every time a newsletter email arrives, you'll get a TL;DR in your\ninbox.\n\n## Files\n\n- `main.ts` — email handler (entrypoint, triggered on incoming mail)\n- `summarize.ts` — calls Gemini to generate the TL;DR summary\n- `shabat.ts` - check if is assur-bmelacha time.\n- `send-queued.ts` - chron every 12h, check if mutar-bmelacha & send the queued\n emails.",["D",1783899595332],"id","637ba8a3-8573-43ef-8d23-62588af536c3","newsletter-tldr",["D",1783899595332],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","AI-summarize newsletters and email you a 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Diff · v1