lbry-desktop/build/downloadLBRYFirst.js

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const path = require('path');
const fs = require('fs');
const packageJSON = require('../package.json');
const fetch = require('node-fetch');
const decompress = require('decompress');
const os = require('os');
const del = require('del');
const downloadLBRYFirst = targetPlatform =>
new Promise((resolve, reject) => {
const lbryFirstURLTemplate = packageJSON.lbrySettings.LBRYFirstUrlTemplate;
const lbryFirstVersion = packageJSON.lbrySettings.LBRYFirstVersion;
const lbryFirstDir = path.join(__dirname, '..', packageJSON.lbrySettings.LBRYFirstDir);
let lbryFirstFileName = packageJSON.lbrySettings.LBRYFirstFileName;
const currentPlatform = os.platform();
let lbryFirstPlatform = process.env.TARGET || targetPlatform || currentPlatform;
if (lbryFirstPlatform === 'linux') lbryFirstPlatform = 'Linux';
if (lbryFirstPlatform === 'mac' || lbryFirstPlatform === 'darwin') lbryFirstPlatform = 'Darwin';
if (lbryFirstPlatform === 'win32' || lbryFirstPlatform === 'windows') {
lbryFirstPlatform = 'Windows';
lbryFirstFileName += '.exe';
}
const lbryFirstFilePath = path.join(lbryFirstDir, lbryFirstFileName);
const lbryFirstVersionPath = path.join(__dirname, 'lbryFirst.ver');
const tmpZipPath = path.join(__dirname, '..', 'dist', 'lbryFirst.zip');
const lbryFirstURL = lbryFirstURLTemplate.replace(/LBRYFIRSTVER/g, lbryFirstVersion).replace(/OSNAME/g, lbryFirstPlatform);
console.log('URL:', lbryFirstURL);
// If a lbryFirst and lbryFirst.ver exists, check to see if it matches the current lbryFirst version
const hasLbryFirstDownloaded = fs.existsSync(lbryFirstFilePath);
const hasLbryFirstVersion = fs.existsSync(lbryFirstVersionPath);
let downloadedLbryFirstVersion;
if (hasLbryFirstVersion) {
downloadedLbryFirstVersion = fs.readFileSync(lbryFirstVersionPath, 'utf8');
}
if (hasLbryFirstDownloaded && hasLbryFirstVersion && downloadedLbryFirstVersion === lbryFirstVersion) {
console.log('\x1b[34minfo\x1b[0m LbryFirst already downloaded');
resolve('Done');
} else {
console.log('\x1b[34minfo\x1b[0m Downloading lbryFirst...');
fetch(lbryFirstURL, {
method: 'GET',
headers: {
'Content-Type': 'application/zip',
},
})
.then(response => response.buffer())
.then(
result =>
new Promise((newResolve, newReject) => {
const distPath = path.join(__dirname, '..', 'dist');
const hasDistFolder = fs.existsSync(distPath);
if (!hasDistFolder) {
fs.mkdirSync(distPath);
}
fs.writeFile(tmpZipPath, result, error => {
if (error) return newReject(error);
return newResolve();
});
})
)
.then(() => del(`${lbryFirstFilePath}*`))
.then()
.then(() =>
decompress(tmpZipPath, lbryFirstDir, {
filter: file => path.basename(file.path) === lbryFirstFileName,
})
)
.then(() => {
console.log('\x1b[32msuccess\x1b[0m LbryFirst downloaded!');
if (hasLbryFirstVersion) {
del(lbryFirstVersionPath);
}
fs.writeFileSync(lbryFirstVersionPath, lbryFirstVersion, 'utf8');
resolve('Done');
})
.catch(error => {
console.error(`\x1b[31merror\x1b[0m LbryFirst download failed due to: \x1b[35m${error}\x1b[0m`);
reject(error);
});
}
});
downloadLBRYFirst();