@samepage/backend/downloadFileContent.js

Backend utilities for the apis of SamePage integrations

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const tslib_1 = require("tslib");
const client_s3_1 = require("@aws-sdk/client-s3");
const fs_1 = tslib_1.__importDefault(require("fs"));
const stream_1 = require("stream");
const getDefault = () => {
    const r = new stream_1.Readable();
    r.push(null);
    return r;
};
const downloadFile = ({ Key = "", }) => {
    if (process.env.NODE_ENV === "production") {
        const s3 = new client_s3_1.S3({
            region: "us-east-1",
            // TODO
            // endpoint: process.env.AWS_ENDPOINT,
        });
        const Bucket = "samepage.network";
        return s3.listObjectsV2({ Bucket, Prefix: Key }).then((r) => {
            if (r.KeyCount === 0)
                return getDefault();
            return s3
                .getObject({
                Bucket,
                Key,
            })
                .then((r) => r.Body);
        });
    }
    else {
        const path = `public/${Key}`;
        if (!fs_1.default.existsSync(path))
            return Promise.resolve(getDefault());
        return Promise.resolve(fs_1.default.createReadStream(path));
    }
};
const downloadFileBuffer = (args) => downloadFile(args).then((fil) => {
    const chunks = [];
    return new Promise((resolve, reject) => {
        fil.on("data", (chunk) => chunks.push(Buffer.from(chunk)));
        fil.on("error", (err) => reject(err));
        fil.on("end", () => resolve(Buffer.concat(chunks)));
    });
});
const downloadFileContent = (args) => downloadFileBuffer(args).then((fil) => fil.toString("utf8"));
exports.default = downloadFileContent;
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