Hunter Bown
105 lines
3.3 KiB
TypeScript
105 lines
3.3 KiB
TypeScript
import type { CuratedDispatch, FeedItem, RepoStats } from "./types";
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const FALLBACK_BASE = "https://api.deepseek.com";
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const FALLBACK_MODEL = "deepseek-v4-flash";
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interface ChatMessage {
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role: "system" | "user" | "assistant";
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content: string;
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}
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interface ChatResponse {
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choices: { message: { content: string } }[];
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}
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export async function chat(messages: ChatMessage[], apiKey: string, jsonMode = false): Promise<string> {
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const base = process.env.DEEPSEEK_BASE_URL ?? FALLBACK_BASE;
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const model = process.env.DEEPSEEK_MODEL ?? FALLBACK_MODEL;
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const res = await fetch(`${base}/v1/chat/completions`, {
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method: "POST",
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headers: {
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"Content-Type": "application/json",
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Authorization: `Bearer ${apiKey}`,
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},
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body: JSON.stringify({
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model,
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messages,
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temperature: 0.4,
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max_tokens: 4096,
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reasoning_effort: "high",
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...(jsonMode ? { response_format: { type: "json_object" } } : {}),
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}),
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});
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if (!res.ok) {
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const text = await res.text();
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throw new Error(`DeepSeek ${res.status}: ${text}`);
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}
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const data = (await res.json()) as ChatResponse;
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return data.choices[0]?.message?.content ?? "";
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}
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const SYSTEM_PROMPT = `You are the editor of "今日要闻 / Today's Dispatch", a daily-ish digest for the deepseek-tui open source project.
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You receive: repo stats and a list of recently updated issues, PRs, and releases.
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Output a single JSON object — no prose around it — matching this exact shape:
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{
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"headline": "string — one short editorial headline summarising the project's pulse this period (max ~70 chars)",
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"summary": "string — 2-3 sentences in a calm, factual editorial voice. No marketing fluff. No emoji.",
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"highlights": [
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{ "title": "string", "href": "string", "tag": "shipped|merged|opened|discussion|release", "blurb": "one sentence, max ~120 chars" }
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],
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"movers": [
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{ "number": 123, "title": "string", "href": "string", "reason": "one short clause explaining why it matters" }
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]
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}
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Rules:
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- Pick 3-5 highlights and 3-5 movers from the actual provided items. Never invent.
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- Prefer items with discussion, merged PRs, recent releases, or labelled "good first issue".
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- Tone: like a small-paper editor — measured, specific, never breathless.
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- Never use words like "exciting", "amazing", "powerful", "revolutionary".
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- href must be the html_url provided.`;
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export async function curate(
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apiKey: string,
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stats: RepoStats,
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feed: FeedItem[]
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): Promise<CuratedDispatch> {
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const trimmedFeed = feed.slice(0, 25).map((f) => ({
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kind: f.kind,
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number: f.number,
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title: f.title,
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state: f.state,
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href: f.url,
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author: f.author,
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updated: f.updatedAt,
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comments: f.comments,
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labels: f.labels.map((l) => l.name),
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}));
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const userPayload = {
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repo: "Hmbown/deepseek-tui",
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stats: {
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stars: stats.stars,
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forks: stats.forks,
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open_issues: stats.openIssues,
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open_pulls: stats.openPulls,
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latest_release: stats.latestRelease?.tag,
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},
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recent: trimmedFeed,
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};
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const raw = await chat(
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[
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{ role: "system", content: SYSTEM_PROMPT },
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{ role: "user", content: JSON.stringify(userPayload, null, 2) },
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],
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apiKey,
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true
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);
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const parsed = JSON.parse(raw) as Omit<CuratedDispatch, "generatedAt">;
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return { ...parsed, generatedAt: new Date().toISOString() };
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}
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