commit dcfd1233852dc5e7660af9987c8cd30f32cd6493
Author: Jisu Kim <webmaster@alien.moe>
Date:   Fri Feb 25 19:54:51 2022 +0900

    initial commit

diff --git a/NanumGothic.ttf b/NanumGothic.ttf
new file mode 100644
index 0000000..75d010a
Binary files /dev/null and b/NanumGothic.ttf differ
diff --git a/deno.jsonc b/deno.jsonc
new file mode 100644
index 0000000..3177366
--- /dev/null
+++ b/deno.jsonc
@@ -0,0 +1,26 @@
+{
+  "compilerOptions": {
+    "allowJs": true,
+    "lib": ["deno.window"],
+    "strict": true
+  },
+  "lint": {
+    "files": {
+      "include": ["src/"]
+    },
+    "rules": {
+      "tags": ["recommended"]
+    }
+  },
+  "fmt": {
+    "files": {
+      "include": ["src/"]
+    },
+    "options": {
+      "useTabs": true,
+      "lineWidth": 80,
+      "indentWidth": 2,
+      "proseWrap": "preserve"
+    }
+  }
+}
diff --git a/main.ts b/main.ts
new file mode 100644
index 0000000..839e2f3
--- /dev/null
+++ b/main.ts
@@ -0,0 +1,145 @@
+import {
+  PDFDocument,
+  PDFPage,
+  rgb,
+} from "https://cdn.skypack.dev/pdf-lib@^1.11.1?dts";
+import fontkit from "https://cdn.skypack.dev/@pdf-lib/fontkit@^1.0.0?dts";
+
+type Result = {
+  id: number;
+  word: string;
+  answer: string;
+};
+
+async function generateVoca(level: number, day: number) {
+  const re =
+    /<p class="word">(?<id>\d+?)\. (?<word>.+?)<\/p>.*?<span class="af_answer">(?<answer>.+?)<\/span>/gis;
+  const res = await fetch(
+    `https://www.hackers.co.kr/?c=s_toeic/new_voca_toeic_testpaper/toeic_study/new_paper&mode=new_view&level=${level}&level_type=&lang_text=2&question=1000&day3=${day}&day4=${day}&day_auto=N&index=1`,
+  );
+
+  const body = (await res.text());
+  const matches = [...body.matchAll(re)].map((m) => ({
+    ...m.groups as unknown as Result,
+    id: Number.parseInt(m.groups?.id as string),
+  }));
+
+  const pdfDoc = await PDFDocument.create();
+
+  const fontBytes = await Deno.readFile("./NanumGothic.ttf");
+  pdfDoc.registerFontkit(fontkit);
+  const customFont = await pdfDoc.embedFont(fontBytes);
+
+  const fontSize = 12;
+  const margin = 20;
+  const perColumn = 25;
+  const perPage = 50;
+
+  let page!: PDFPage;
+  let col = -1;
+  let yCursor = 1;
+
+  // 문제 생성
+  for (let i = 0; i < matches.length; ++i) {
+    const data = matches[i];
+    if (i % perPage === 0) {
+      page = pdfDoc.addPage();
+      yCursor = 1;
+      col = -1;
+    }
+    if (i % perColumn === 0) {
+      col++;
+      yCursor = 1;
+    }
+    page.drawText(`${data.id}. ${data.word}`, {
+      x: margin + (page.getWidth() / 2 * col),
+      y: page.getHeight() - (fontSize + margin) * (yCursor),
+      size: fontSize,
+      font: customFont,
+      color: rgb(0, 0, 0),
+    });
+    page.drawText("_________________", {
+      x: margin + (page.getWidth() / 2 * col) + 140,
+      y: page.getHeight() - (fontSize + margin) * (yCursor) - 3,
+      size: fontSize,
+      font: customFont,
+      color: rgb(0, 0, 0),
+    });
+    yCursor++;
+  }
+
+  // 답 생성
+  for (let i = 0; i < matches.length; ++i) {
+    const data = matches[i];
+    if (i % perPage === 0) {
+      page = pdfDoc.addPage();
+      yCursor = 1;
+      col = -1;
+    }
+    if (i % perColumn === 0) {
+      col++;
+      yCursor = 1;
+    }
+    page.drawText(`${data.id}. ${data.word}`, {
+      x: margin + (page.getWidth() / 2 * col),
+      y: page.getHeight() - (fontSize + margin) * (yCursor),
+      size: fontSize,
+      font: customFont,
+      color: rgb(0, 0, 0),
+    });
+    page.drawText("_________________", {
+      x: margin + (page.getWidth() / 2 * col) + 140,
+      y: page.getHeight() - (fontSize + margin) * (yCursor) - 3,
+      size: fontSize,
+      font: customFont,
+      color: rgb(0, 0, 0),
+    });
+    page.drawText(data.answer, {
+      x: margin + (page.getWidth() / 2 * col) + 140,
+      y: page.getHeight() - (fontSize + margin) * (yCursor),
+      size: fontSize,
+      font: customFont,
+      color: rgb(1, 0, 0),
+    });
+    yCursor++;
+  }
+
+  const pdfBytes = await pdfDoc.save();
+  return pdfBytes;
+}
+
+const port = 8055;
+const server = Deno.listen({ port });
+console.log(
+  `HTTP webserver running.  Access it at:  http://localhost:${port}/`,
+);
+
+for await (const conn of server) {
+  serveHttp(conn);
+}
+
+async function serveHttp(conn: Deno.Conn) {
+  const httpConn = Deno.serveHttp(conn);
+  for await (const requestEvent of httpConn) {
+    const url = new URL(requestEvent.request.url);
+
+    if (!url.searchParams.has("level") || !url.searchParams.has("day")) {
+      requestEvent.respondWith(
+        new Response("Not Found", {
+          status: 404,
+        }),
+      );
+      return;
+    }
+
+    const level = Number.parseInt(url.searchParams.get("level")!) ?? 7;
+    const day = Number.parseInt(url.searchParams.get("day")!) ?? 1;
+    const data = await generateVoca(level, day);
+
+    requestEvent.respondWith(
+      new Response(data, {
+        status: 200,
+      }),
+    );
+  }
+}