'use strict'
/**
* Represents a DB clearing
* @class
* @property {string} collection
*/
function Clear(collection) {
this.collection = collection
}
/**
* Clear the collection
* @param {Object} db the mongodb connected db
* @param {string[]} cleared
* @param {Object} context
* @param {Function} done
*/
Clear.prototype.execute = function (db, cleared, context, done) {
if (cleared.indexOf(this.collection) !== -1) {
return done(new Error('The collection ' + this.collection + ' was already cleared'))
}
cleared.push(this.collection)
db.collection(this.collection).remove({}, {
w: 1
}, done)
}
module.exports = Clear