Merge pull request #354 from fasonju/main

Text files support using libreoffice

Author: C4illin

Dockerfile

@@ -56,6 +56,7 @@ RUN apt-get update && apt-get install -y \
   inkscape \
   libheif-examples \
   libjxl-tools \
+  libreoffice \
   libva2 \
   libvips-tools \
   lmodern \
@@ -81,4 +82,4 @@ EXPOSE 3000/tcp
 # used for calibre
 ENV QTWEBENGINE_CHROMIUM_FLAGS="--no-sandbox"
 ENV NODE_ENV=production
-ENTRYPOINT [ "bun", "run", "./src/index.tsx" ]
+ENTRYPOINT [ "bun", "run", "./src/index.tsx" ]

src/converters/libreoffice.ts

@@ -0,0 +1,176 @@
+import { execFile } from "node:child_process";
+
+export const properties = {
+  from: {
+    text: [
+      "602",
+      "abw",
+      "csv",
+      "cwk",
+      "doc",
+      "docm",
+      "docx",
+      "dot",
+      "dotx",
+      "dotm",
+      "epub",
+      "fb2",
+      "fodt",
+      "htm",
+      "html",
+      "hwp",
+      "mcw",
+      "mw",
+      "mwd",
+      "lwp",
+      "lrf",
+      "odt",
+      "ott",
+      "pages",
+      "pdf",
+      "psw",
+      "rtf",
+      "sdw",
+      "stw",
+      "sxw",
+      "tab",
+      "tsv",
+      "txt",
+      "wn",
+      "wpd",
+      "wps",
+      "wpt",
+      "wri",
+      "xhtml",
+      "xml",
+      "zabw",
+    ],
+  },
+  to: {
+    text: [
+      "csv",
+      "doc",
+      "docm",
+      "docx",
+      "dot",
+      "dotx",
+      "dotm",
+      "epub",
+      "fodt",
+      "htm",
+      "html",
+      "odt",
+      "ott",
+      "pdf",
+      "rtf",
+      "tab",
+      "tsv",
+      "txt",
+      "wps",
+      "wpt",
+      "xhtml",
+      "xml",
+    ],
+  },
+};
+
+type FileCategories = "text" | "calc";
+
+const filters: Record<FileCategories, Record<string, string>> = {
+  text: {
+    "602": "T602Document",
+    abw: "AbiWord",
+    csv: "Text",
+    doc: "MS Word 97",
+    docm: "MS Word 2007 XML VBA",
+    docx: "MS Word 2007 XML",
+    dot: "MS Word 97 Vorlage",
+    dotx: "MS Word 2007 XML Template",
+    dotm: "MS Word 2007 XML Template",
+    epub: "EPUB",
+    fb2: "Fictionbook 2",
+    fodt: "OpenDocument Text Flat XML",
+    htm: "HTML (StarWriter)",
+    html: "HTML (StarWriter)",
+    hwp: "writer_MIZI_Hwp_97",
+    mcw: "MacWrite",
+    mw: "MacWrite",
+    mwd: "Mariner_Write",
+    lwp: "LotusWordPro",
+    lrf: "BroadBand eBook",
+    odt: "writer8",
+    ott: "writer8_template",
+    pages: "Apple Pages",
+    // pdf: "writer_pdf_import",
+    psw: "PocketWord File",
+    rtf: "Rich Text Format",
+    sdw: "StarOffice_Writer",
+    stw: "writer_StarOffice_XML_Writer_Template",
+    sxw: "StarOffice XML (Writer)",
+    tab: "Text",
+    tsv: "Text",
+    txt: "Text",
+    wn: "WriteNow",
+    wpd: "WordPerfect",
+    wps: "MS Word 97",
+    wpt: "MS Word 97 Vorlage",
+    wri: "MS_Write",
+    xhtml: "HTML (StarWriter)",
+    xml: "OpenDocument Text Flat XML",
+    zabw: "AbiWord",
+  },
+  calc: {},
+};
+
+const getFilters = (fileType: string, converto: string) => {
+  if (fileType in filters.text && converto in filters.text) {
+    return [filters.text[fileType], filters.text[converto]];
+  } else if (fileType in filters.calc && converto in filters.calc) {
+    return [filters.calc[fileType], filters.calc[converto]];
+  }
+  return [null, null];
+};
+
+export function convert(
+  filePath: string,
+  fileType: string,
+  convertTo: string,
+  targetPath: string,
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  options?: unknown,
+): Promise<string> {
+  const outputPath = targetPath.split("/").slice(0, -1).join("/").replace("./", "") ?? targetPath;
+
+  // Build arguments array
+  const args: string[] = [];
+  args.push("--headless");
+  const [inFilter, outFilter] = getFilters(fileType, convertTo);
+
+  if (inFilter) {
+    args.push(`--infilter="${inFilter}"`);
+  }
+
+  if (outFilter) {
+    args.push("--convert-to", `${convertTo}:${outFilter}`, "--outdir", outputPath, filePath);
+  } else {
+    args.push("--convert-to", convertTo, "--outdir", outputPath, filePath);
+  }
+
+  return new Promise((resolve, reject) => {
+    execFile("soffice", args, (error, stdout, stderr) => {
+      if (error) {
+        reject(`error: ${error}`);
+      }
+
+      if (stdout) {
+        console.log(`stdout: ${stdout}`);
+      }
+
+      if (stderr) {
+        console.error(`stderr: ${stderr}`);
+      }
+
+      resolve("Done");
+    });
+  });
+}

src/converters/main.ts

@@ -11,6 +11,7 @@ import { convert as convertImagemagick, properties as propertiesImagemagick } fr
 import { convert as convertInkscape, properties as propertiesInkscape } from "./inkscape";
 import { convert as convertLibheif, properties as propertiesLibheif } from "./libheif";
 import { convert as convertLibjxl, properties as propertiesLibjxl } from "./libjxl";
+import { convert as convertLibreOffice, properties as propertiesLibreOffice } from "./libreoffice";
 import { convert as convertPandoc, properties as propertiesPandoc } from "./pandoc";
 import { convert as convertPotrace, properties as propertiesPotrace } from "./potrace";
 import { convert as convertresvg, properties as propertiesresvg } from "./resvg";
@@ -76,6 +77,10 @@ const properties: Record<
     properties: propertiesCalibre,
     converter: convertCalibre,
   },
+  libreoffice: {
+    properties: propertiesLibreOffice,
+    converter: convertLibreOffice,
+  },
   pandoc: {
     properties: propertiesPandoc,
     converter: convertPandoc,

src/helpers/printVersions.ts

@@ -144,6 +144,16 @@ if (process.env.NODE_ENV === "production") {
     }
   });
 
+  exec("soffice --version", (error, stdout) => {
+    if (error) {
+      console.error("libreoffice is not installed");
+    }
+
+    if (stdout) {
+      console.log(stdout.split("\n")[0]);
+    }
+  });
+
   exec("bun -v", (error, stdout) => {
     if (error) {
       console.error("Bun is not installed. wait what");