From f8121a1133e069891459e1d386a684e83a4b1c3c Mon Sep 17 00:00:00 2001
From: Matias Pando <mpando@bitpay.com>
Date: Tue, 12 May 2015 11:54:03 -0300
Subject: [PATCH] Adding stats to /lib

---
 lib/stats.js | 158 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 158 insertions(+)
 create mode 100644 lib/stats.js

diff --git a/lib/stats.js b/lib/stats.js
new file mode 100644
index 0000000..586582d
--- /dev/null
+++ b/lib/stats.js
@@ -0,0 +1,158 @@
+#!/usr/bin/env node
+
+'use strict';
+
+var _ = require('lodash');
+var mongodb = require('mongodb');
+var moment = require('moment');
+var async = require('async');
+var config = require('../config');
+
+
+var c = config.storageOpts.mongoDb;
+var url = 'mongodb://' + (c.host || 'localhost') + ':' + (c.port ||  27017) + '/bws';
+
+var startDate = moment();
+var endDate = moment();
+
+var stats = {};
+var wallets = {};
+var bwsStats = {};
+
+bwsStats.cleanUp = function() {
+  stats = {
+    'livenet': {},
+    'testnet': {}
+  };
+};
+
+
+bwsStats.AddingWalletToCache = function(data) {
+  if (!data) return;
+  wallets[data.id] = data.network;
+};
+
+bwsStats.TotalNewWallets = function(data) {
+  if (!data) return;
+  var day = moment(data.createdOn * 1000).format('YYYYMMDD');
+  if (!stats[data.network][day]) {
+    stats[data.network][day] = {
+      totalTx: 0,
+      totalAmount: 0,
+      totalNewWallets: 0
+    };
+  }
+  stats[data.network][day].totalNewWallets++;
+};
+
+bwsStats.TotalTxps = function(data) {
+  if (!data) return;
+  var day = moment(data.createdOn * 1000).format('YYYYMMDD');
+  var network = wallets[data.walletId];
+  if (!stats[network][day]) {
+    stats[network][day] = {
+      totalTx: 0,
+      totalAmount: 0,
+      totalNewWallets: 0
+    };
+  }
+  stats[network][day].totalTx++;
+  stats[network][day].totalAmount += data.amount;
+};
+
+bwsStats.ProcessData = function(DB, cb) {
+  bwsStats.ProccesWallets(DB, function() {
+    bwsStats.ProccesNewWallets(DB, function() {
+      bwsStats.ProccesTxs(DB, function() {
+        DB.close();
+        cb();
+      });
+    });
+  });
+};
+
+bwsStats.ProccesWallets = function(DB, cb) {
+  var collection = DB.collection('wallets');
+  collection.find({}).toArray(function(err, items) {
+    if (err) {
+      console.log('Error.', err);
+      return cb(err);
+    }
+
+    items.forEach(function(it) {
+      bwsStats.AddingWalletToCache(it);
+    });
+    cb();
+  });
+};
+
+bwsStats.ProccesNewWallets = function(DB, cb) {
+  var collection = DB.collection('wallets');
+  var start = Math.floor(startDate.startOf('day').valueOf() / 1000);
+  var end = Math.floor(endDate.endOf('day').valueOf() / 1000);
+
+  collection.find({
+    createdOn: {
+      $gt: start,
+      $lt: end
+    }
+  }).toArray(function(err, items) {
+    if (err) {
+      console.log('Error.', err);
+      return cb(err);
+    }
+    items.forEach(function(it) {
+      bwsStats.TotalNewWallets(it);
+    });
+    cb();
+  });
+};
+
+bwsStats.ProccesTxs = function(DB, cb) {
+  var collection = DB.collection('txs');
+  var start = Math.floor(startDate.startOf('day').valueOf() / 1000);
+  var end = Math.floor(endDate.endOf('day').valueOf() / 1000);
+
+  collection.find({
+    createdOn: {
+      $gt: start,
+      $lt: end
+    }
+  }).toArray(
+    function(err, items) {
+      if (err) {
+        console.log('Error.', err);
+        return cb(err);
+      } else {
+        items.forEach(function(it) {
+          bwsStats.TotalTxps(it);
+        });
+      }
+      cb();
+    });
+};
+
+bwsStats.getStats = function(opts, cb) {
+  if (opts) {
+    startDate = moment(opts.from);
+    endDate = moment(opts.to);
+  }
+  bwsStats.cleanUp();
+
+  mongodb.MongoClient.connect(url, function(err, db) {
+    if (err) {
+      console.log('Unable to connect to the mongoDB server. Error:', err);
+      return cb(err, null);
+    }
+    console.log('Connection established to ', url);
+    bwsStats.ProcessData(db, function(err) {
+      if (err) {
+        console.log('Error.', err);
+        return cb(err, null);
+      }
+      cb(null, stats);
+    });
+  });
+};
+
+module.exports = bwsStats;