feat: add print submit time

packages/server/client/printer.ts

@@ -56,10 +56,10 @@ function escapeText(s: string) {
     return res;
 }
 
-export async function ConvertCodeToPDF(code: Buffer, lang, filename, team, location, codeColor = false) {
+export async function ConvertCodeToPDF(code: Buffer, lang, filename, team, location, createAt, codeColor = false) {
     compiler ||= await createTypstCompiler();
     const fakeFilename = randomstring(8); // cubercsl: do not trust filename from user
-    const typst = generateTypst(team, location, fakeFilename, filename, lang, codeColor);
+    const typst = generateTypst(team, location, fakeFilename, filename, lang, createAt, codeColor);
     compiler.addSource('/main.typst', typst);
     compiler.addSource(`/${fakeFilename}`, escapeText(toUtf8(code)));
     logger.info(`Convert ${filename} to PDF`);
@@ -82,14 +82,15 @@ export async function printFile(docs) {
     const files = [];
     for (const doc of docs) {
         const {
-            _id, tid, code, lang, filename, team, location,
+            _id, tid, code, lang, filename, team, location, createAt,
         } = doc;
         const pdf = await ConvertCodeToPDF(
             code ? Buffer.from(code, 'base64') : Buffer.from('empty file'),
             lang,
             filename,
             team,
             location,
+            createAt,
             config.printColor,
         );
         fs.writeFileSync(path.resolve(process.cwd(), `data${path.sep}${tid}#${_id}.pdf`), pdf);

packages/server/client/typst.ts

@@ -57,9 +57,9 @@ class TypstCompilerDriver {
     }
 }
 
-export function generateTypst(team: string, location: string, filename: string, originalFilename: string, lang: string, codeColor: boolean) {
+export function generateTypst(team: string, location: string, filename: string, originalFilename: string, lang: string, createAt: number, codeColor: boolean) {
     return `
-#let fit(name: "", width: 147mm) = {
+#let fit(name: "", width: 100mm) = {
   context {
     if measure(text(name)).width < width {
       return name
@@ -92,6 +92,8 @@ export function generateTypst(team: string, location: string, filename: string,
         text(weight: "black", size: 10pt)[[#location] ]
       }
       #fit(name: team)
+      #h(1fr)
+      ${new Date(createAt).toLocaleString('zh')}
       #linebreak()
       filename: #original
       #h(1fr)

packages/server/handler/printer.ts

@@ -29,6 +29,7 @@ class PrintAdminHandler extends AuthHandler {
             code.filename,
             code.team,
             code.location,
+            code.createAt,
             params.color ?? true,
         );
         this.response.type = 'application/pdf';