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45 lines
1.3 KiB
JavaScript
45 lines
1.3 KiB
JavaScript
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// # Backup Database
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// Provides for backing up the database before making potentially destructive changes
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var _ = require('lodash'),
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fs = require('fs'),
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path = require('path'),
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Promise = require('bluebird'),
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config = require('../../config'),
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exporter = require('../export'),
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writeExportFile,
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backup;
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writeExportFile = function writeExportFile(exportResult) {
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var filename = path.resolve(config.paths.contentPath + '/data/' + exportResult.filename);
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return Promise.promisify(fs.writeFile)(filename, JSON.stringify(exportResult.data)).return(filename);
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};
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/**
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* ## Backup
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* does an export, and stores this in a local file
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*
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* @param {Function} [logInfo]
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* @returns {Promise<*>}
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*/
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backup = function backup(logInfo) {
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// If we get passed a function, use it to output noticies, else don't do anything
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logInfo = _.isFunction(logInfo) ? logInfo : _.noop;
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logInfo('Creating database backup');
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var props = {
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data: exporter.doExport(),
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filename: exporter.fileName()
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};
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return Promise.props(props)
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.then(writeExportFile)
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.then(function successMessage(filename) {
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logInfo('Database backup written to: ' + filename);
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});
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};
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module.exports = backup;
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