freeCodeCamp/seed/storyCleanup.js

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/**
* Created by nathanleniz on 4/25/15.
*/
require('dotenv').load();
var mongodb = require('mongodb'),
Story = require('../models/Story.js'),
secrets = require('../config/secrets');
mongoose = require('mongoose');
mongoose.connect(secrets.db);
function storyLinkCleanup(cb) {
console.log('headLineCleanup');
var i = 1;
var stream = Story.find({}).skip(0).limit(0).batchSize(20000).stream();
stream.on('data', function (story) {
console.log(i++);
this.pause();
story.storyLink = story.storyLink.
replace(/[^a-z0-9\s]/gi, '').
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replace(/\s+/g, ' ').
toLowerCase().
trim();
story.save(function (err) {
if (err) {
console.log('woops');
}
this.resume();
}.bind(this));
})
.on('error', function (err) {
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console.error(err);
}).on('close', function () {
console.log('done with set');
stream.destroy();
cb();
});
}
function done() {
console.log('Migration script has completed');
process.exit(0);
}
storyLinkCleanup(done);