first commit

plugins/mongodb/scanner.js

@@ -0,0 +1,40 @@
+const async = require('async');
+var _ = require('lodash');
+var util = require('../../core/util.js');
+var log = require(`${util.dirs().core}log`);
+
+var handle = require('./handle');
+
+module.exports = done => {
+    this.db = handle;
+
+    let markets = [];
+    async.waterfall([
+        (cb) => {
+            handle.getCollectionNames(cb)
+        },
+        (collections, cb) => {
+            async.each(collections, (collection, cb) => {
+                let [exchange, type] = collection.split('_');
+                if (type === 'candles') {
+                    handle.collection(collection).distinct('pair', {}, (err, pairs) => {
+                        console.log(exchange);
+                        pairs.forEach((pair) => {
+                            pair = pair.split('_');
+                            markets.push({
+                                exchange: exchange,
+                                currency: _.first(pair),
+                                asset: _.last(pair)
+                            });
+                        });
+                        cb();
+                    })
+                } else {
+                    cb();
+                }
+            }, () => {
+                cb(null, markets)
+            })
+        }
+    ], done)
+}