anything-llm/collector/processSingleFile/convert/asMbox.js

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const { v4 } = require("uuid");
const fs = require("fs");
const { mboxParser } = require("mbox-parser");
const {
createdDate,
trashFile,
writeToServerDocuments,
} = require("../../utils/files");
const { tokenizeString } = require("../../utils/tokenizer");
const { default: slugify } = require("slugify");
async function asMbox({ fullFilePath = "", filename = "" }) {
console.log(`-- Working ${filename} --`);
const mails = await mboxParser(fs.createReadStream(fullFilePath))
.then((mails) => mails)
.catch((error) => {
console.log(`Could not parse mail items`, error);
return [];
});
if (!mails.length) {
console.error(`Resulting mail items was empty for ${filename}.`);
trashFile(fullFilePath);
return { success: false, reason: `No mail items found in ${filename}.` };
}
let item = 1;
for (const mail of mails) {
if (!mail.hasOwnProperty("text")) continue;
const content = mail.text;
if (!content) continue;
console.log(
`-- Working on message "${mail.subject || "Unknown subject"}" --`
);
2023-12-21 04:41:16 +01:00
const data = {
id: v4(),
url: "file://" + fullFilePath,
title: mail?.subject
? slugify(mail?.subject?.replace(".", "")) + ".mbox"
: `msg_${item}-${filename}`,
docAuthor: mail?.from?.text,
description: "No description found.",
docSource: "Mbox message file uploaded by the user.",
chunkSource: filename,
published: createdDate(fullFilePath),
wordCount: content.split(" ").length,
pageContent: content,
token_count_estimate: tokenizeString(content).length,
};
item++;
writeToServerDocuments(data, `${slugify(filename)}-${data.id}-msg-${item}`);
}
trashFile(fullFilePath);
console.log(
`[SUCCESS]: ${filename} messages converted & ready for embedding.\n`
);
return { success: true, reason: null };
}
module.exports = asMbox;