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56 lines
1.3 KiB
56 lines
1.3 KiB
'use strict';
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const OperationBase = require('./operation').OperationBase;
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const handleCallback = require('../utils').handleCallback;
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let collection;
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function loadCollection() {
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if (!collection) {
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collection = require('../collection');
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}
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return collection;
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}
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class CollectionsOperation extends OperationBase {
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constructor(db, options) {
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super(options);
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this.db = db;
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}
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execute(callback) {
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const db = this.db;
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let options = this.options;
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let Collection = loadCollection();
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options = Object.assign({}, options, { nameOnly: true });
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// Let's get the collection names
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db.listCollections({}, options).toArray((err, documents) => {
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if (err != null) return handleCallback(callback, err, null);
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// Filter collections removing any illegal ones
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documents = documents.filter(doc => {
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return doc.name.indexOf('$') === -1;
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});
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// Return the collection objects
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handleCallback(
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callback,
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null,
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documents.map(d => {
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return new Collection(
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db,
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db.s.topology,
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db.databaseName,
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d.name,
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db.s.pkFactory,
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db.s.options
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);
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})
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);
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});
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}
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}
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module.exports = CollectionsOperation;
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