openhim-core/lib/api/metrics.js

The OpenHIM core application that provides logging and routing of http requests

var Channel, Q, Transaction, _, authorisation, logger, metrics, moment, mongoose,
  indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; };

Transaction = require('../model/transactions').Transaction;

Channel = require('../model/channels').Channel;

moment = require('moment');

logger = require('winston');

mongoose = require('mongoose');

authorisation = require('./authorisation');

Q = require('q');

metrics = require("../metrics");

_ = require('lodash');

exports.getMetrics = function*(groupChannels, timeSeries, channelID) {
  var channelIDs, channels, endDate, m, query, ref, ref1, startDate;
  logger.debug("Called getMetrics(" + groupChannels + ", " + timeSeries + ", " + channelID + ")");
  channels = (yield authorisation.getUserViewableChannels(this.authenticated));
  channelIDs = channels.map(function(c) {
    return c._id;
  });
  if (typeof channelID === 'string' && !(indexOf.call(channelIDs.map(function(id) {
    return id.toString();
  }), channelID) >= 0)) {
    this.status = 401;
    return;
  } else if (typeof channelID === 'string') {
    channelIDs = [mongoose.Types.ObjectId(channelID)];
  }
  query = this.request.query;
  logger.debug("Metrics query object: " + (JSON.stringify(query)));
  startDate = query.startDate;
  delete query.startDate;
  endDate = query.endDate;
  delete query.endDate;
  if (Object.keys(query).length === 0) {
    query = null;
  }
  m = (yield metrics.calculateMetrics(new Date(startDate), new Date(endDate), query, channelIDs, timeSeries, groupChannels));
  if (((ref = m[0]) != null ? (ref1 = ref._id) != null ? ref1.year : void 0 : void 0) != null) {
    m = m.map(function(item) {
      var date;
      date = _.assign({}, item._id);
      if (date.month) {
        date.month = date.month - 1;
      }
      item.timestamp = moment.utc(date);
      return item;
    });
  }
  return this.body = m;
};

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