webapi-eca/js/logging.js

// Generated by CoffeeScript 1.7.1
(function() {
  var bunyan, fs, path;

  fs = require('fs');

  path = require('path');

  bunyan = require('bunyan');


  /*
  Returns a bunyan logger according to the given arguments.
  
  @public getLogger( *args* )
  @param {Object} args
   */

  exports.getLogger = (function(_this) {
    return function(args) {
      var e, emptylog, opt;
      emptylog = {
        trace: function() {},
        debug: function() {},
        info: function() {},
        warn: function() {},
        error: function() {},
        fatal: function() {}
      };
      args = args != null ? args : {};
      if (args.nolog) {
        return emptylog;
      } else {
        try {
          opt = {
            name: "webapi-eca"
          };
          if (args['mode'] === 'development') {
            opt.src = true;
          }
          if (args['file-path']) {
            _this.logPath = path.resolve(args['file-path']);
          } else {
            _this.logPath = path.resolve(__dirname, '..', 'logs', 'server.log');
          }
          try {
            fs.writeFileSync(_this.logPath + '.temp', 'temp');
            fs.unlinkSync(_this.logPath + '.temp');
          } catch (_error) {
            e = _error;
            console.error("Log folder '" + _this.logPath + "' is not writable");
            return emptylog;
          }
          opt.streams = [
            {
              level: args['io-level'],
              stream: process.stdout
            }, {
              level: args['file-level'],
              path: _this.logPath
            }
          ];
          return bunyan.createLogger(opt);
        } catch (_error) {
          e = _error;
          console.error(e);
          return emptylog;
        }
      }
    };
  })(this);

}).call(this);