openhim-core/lib/api/logs.js

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

var Q, authorisation, levels, logger, moment, utils;

logger = require('winston');

moment = require('moment');

Q = require('q');

authorisation = require('./authorisation');

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

levels = {
  debug: 1,
  info: 2,
  warn: 3,
  error: 4
};

exports.getLogs = function*() {
  var options, query, results;
  if (!authorisation.inGroup('admin', this.authenticated)) {
    utils.logAndSetResponse(this, 403, "User " + this.authenticated.email + " is not an admin, API access to getLogs denied.", 'info');
    return;
  }
  query = this.request.query;
  if (query == null) {
    query = {};
  }
  if (query.level == null) {
    query.level = 'info';
  }
  options = {
    from: query.from || moment().subtract(5, 'minutes').toDate(),
    until: query.until || new Date,
    order: 'asc',
    start: (parseInt(query.start)) || 0,
    limit: 100000
  };
  results = (yield Q.ninvoke(logger, 'query', options));
  results = results.mongodb;
  if (query.level != null) {
    results = results.filter(function(item) {
      return levels[item.level] >= levels[query.level];
    });
  }
  if (query.limit != null) {
    results.splice(query.limit, results.length - query.limit);
  }
  this.body = results;
  return this.status = 200;
};

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