mirror of https://github.com/Lissy93/dashy.git
78 lines
2.5 KiB
JavaScript
78 lines
2.5 KiB
JavaScript
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const fs = require('fs').promises;
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/* Copies an existing file to a new file */
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async function backupConfig(fromPath, toPath, done) {
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try {
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fs.copyFile(fromPath, toPath, done({ success: true }));
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} catch (error) {
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done({
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success: false,
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message: `Error backing up config file: ${error.message}`,
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});
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}
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}
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/* Creates a new file and writes content to it */
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async function saveNewConfig(writePath, fileContents, done) {
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try {
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fs.writeFile(writePath, fileContents, done({ success: true }));
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} catch (error) {
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done({
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success: false,
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message: `Error writing changes to config file: ${error.message}`,
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});
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}
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}
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module.exports = (newConfig, render) => {
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// Define constants for the config file
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const settings = {
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defaultLocation: './public/',
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defaultFile: 'conf.yml',
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filename: 'conf',
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backupDenominator: '.backup.yml',
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};
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// Make the full file name and path to save the backup config file
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const backupFilePath = `${settings.defaultLocation}${settings.filename}-`
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+ `${Math.round(new Date() / 1000)}${settings.backupDenominator}`;
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// The path where the main conf.yml should be read and saved to
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const defaultFilePath = settings.defaultLocation + settings.defaultFile;
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// Returns a string confirming successful job
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const getSuccessMessage = () => `Successfully backed up ${settings.defaultFile} to`
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+ ` ${backupFilePath}, and updated the contents of ${defaultFilePath}`;
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// Prepare the response returned by the API
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const getRenderMessage = (success, errorMsg) => JSON.stringify({
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success,
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message: !success ? errorMsg : getSuccessMessage(),
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});
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// Backs up the config, then writes new content to the existing config, and returns
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backupConfig(defaultFilePath, backupFilePath, (backupResult) => {
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if (!backupResult.success) {
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render(getRenderMessage(false, backupResult.message));
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} else {
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saveNewConfig(defaultFilePath, newConfig.config, (copyResult) => {
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if (copyResult.failed) render(getRenderMessage(false, copyResult.message));
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render(getRenderMessage(true));
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});
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}
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});
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// Promise.resolve().then(() => {
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// backupConfig(defaultFilePath, backupFilePath)
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// .catch(error => thereWasAnError(error));
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// }).then(() => {
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// saveNewConfig(defaultFilePath, newConfig)
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// .catch(error => thereWasAnError(error));
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// }).then(() => {
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// render(JSON.stringify({
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// success: !failed,
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// message: failed ? errorMessage : 'Success!',
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// }));
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// });
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};
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