refactor：删除未使用的文件，添加文章总结功能及相关处理逻辑

src/controller/summarizeHandler.ts

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+import type { Context } from "elysia";
+import { JSDOM } from "jsdom";
+import callGeminiAPI from "../llm/gemini";
+import fs from 'fs';
+import path from 'path';
+
+export async function summarizeHandler({ body }: Context) {
+    try {
+        const { articleUrl } = body as { articleUrl: string };
+        const urls = articleUrl.split('\n').filter(url => url.trim() !== '');
+
+        async function fetchArticle(url: string): Promise<string> {
+            const response = await fetch(url);
+            if (!response.ok) {
+                throw new Error(`Failed to fetch article: Status Code ${response.status}`);
+            }
+            return await response.text();
+        }
+
+        let articleTexts = [];
+        for (const url of urls) {
+            try {
+                const articleHTML = await fetchArticle(url);
+                const dom = new JSDOM(articleHTML);
+                const jsContent = dom.window.document.querySelector("#js_content");
+                const content = jsContent ? jsContent.textContent : "";
+                articleTexts.push(content);
+            } catch (error) {
+                console.error(`Failed to process article from ${url}:`, error);
+                // Optionally, you might want to handle the error more gracefully,
+                // such as skipping the article or returning a default value.
+            }
+        }
+
+        const geminiResponse = await callGeminiAPI(articleTexts);
+        const today = new Date();
+        const fileName = `history/${today.getFullYear()}/${today.getMonth() + 1}/${today.getDate()}.md`;
+        const dir = path.dirname(fileName);
+
+        if (!fs.existsSync(dir)) {
+            fs.mkdirSync(dir, { recursive: true });
+        }
+
+        fs.writeFileSync(fileName, geminiResponse);
+        return new Response(geminiResponse, {
+            headers: {
+                "Content-Type": "text/markdown; charset=utf-8",
+            },
+        });
+    } catch (error: any) {
+        console.error("Error:", error);
+        return { error: error.message };
+    }
+}

src/index.ts

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+import { Elysia } from "elysia";
+import { html } from '@elysiajs/html'
+import fs from 'fs';
+import path from 'path';
+import { summarizeHandler } from "./controller/summarizeHandler";
+
+const app = new Elysia()
+  .use(html())
+  .get("/", () => {
+    // 读取 HTML 文件
+    const filePath = path.join(process.cwd(), 'index.html');
+    const htmlContent = fs.readFileSync(filePath, 'utf8');
+    return htmlContent;
+  })
+  .post("/summarize", summarizeHandler)
+  .listen({ port: 3000 });
+
+console.log(
+  `🦊 Elysia is running at ${app.server?.hostname}:${app.server?.port}`
+);

src/llm/gemini.ts

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+async function callGeminiAPI(articleContent: string[]): Promise<any> {
+    // articleContent = `You are a helpful assistant that summarizes WeChat articles.use Chinese: ${articleContent}`;
+    // const response = (await model.generateContent(articleContent)).response;
+    // return response.text();
+
+
+    const {
+        GoogleGenerativeAI,
+        HarmCategory,
+        HarmBlockThreshold,
+    } = require("@google/generative-ai");
+
+    const genAI = new GoogleGenerativeAI(process.env.API_KEY || "");
+    console.log(process.env.API_KEY);
+
+    const model = genAI.getGenerativeModel({
+        model: "gemini-2.0-flash-lite-preview-02-05"
+    });
+
+    const generationConfig = {
+        temperature: 1,
+        topP: 0.95,
+        topK: 40,
+        maxOutputTokens: 8192,
+        responseMimeType: "text/plain",
+    };
+
+    async function run(articleContent: string[]) {
+        const chatSession = model.startChat({
+            generationConfig,
+            history: [
+                {
+                    role: "user",
+                    parts: [
+                        { text: "这里有几篇文章，用 --- 分割，帮我简要汇总一下，控制在 300 字以内。" },
+                        { text: "如果你认为是投资主题，我希望你能额外帮我总结和设计出一个短中长线的投资策略，要求详略得当，短线权重大一些，长线一笔带过就好" }
+                    ],
+                },
+            ],
+        });
+
+        const result = await chatSession.sendMessage(articleContent.join("\n---\n"));
+        console.log(result.response.text());
+        return result.response.text();
+    }
+
+    return run(articleContent);
+}
+
+export default callGeminiAPI;

src/view/form.html

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+<!DOCTYPE html>
+<html>
+
+<head>
+    <title>文章总结</title>
+</head>
+
+<body>
+    <h1>输入微信文章链接</h1>
+    <form action="/summarize" method="post">
+        <label for="articleUrl">文章链接:</label><br>
+        <textarea id="articleUrl" name="articleUrl" rows="4" cols="50"></textarea><br><br>
+        <input type="submit" value="提交">
+    </form>
+</body>
+
+</html>