phaxio.js

var mime = require('mime'),
  fs = require('fs'),
  path = require('path'),
  request = require('request');

var Phaxio = module.exports = function(api_key, api_secret) {
  this.api_key = api_key;
  this.api_secret = api_secret;
  this.host = 'https://api.phaxio.com';
  this.endpoint = '/v1';
};

Phaxio.prototype.sendFax = function(opt, cb) {
  if (!opt.to) {
    return cb(new Error("You must include a 'to' number."));
  }
  if (!opt.filenames && !opt.string_data) {
    return cb(new Error("You must include filenames or string_data."));
  }
  return this.request('/send', opt, cb);
};

Phaxio.prototype.cancelFax = function(faxId, cb) {
  if (!faxId) {
    return cb(new Error('You must include a fax id.'));
  }
  return this.request('/faxCancel', {
    id: faxId
  }, cb);
};

Phaxio.prototype.faxStatus = function(faxId, cb) {
  if (!faxId) {
    return cb(new Error('You must include a fax id.'));
  }
  return this.request('/faxStatus', {
    id: faxId
  }, cb);
};

Phaxio.prototype.fireBatch = function(batchId, cb) {
  if (!batchId) {
    return cb(new Error('You must provide a batchId.'));
  }
  return this.request('/fireBatch', {
    id: batchId
  }, cb);
};

Phaxio.prototype.closeBatch = function(batchId, cb) {
  if (!batchId) {
    return cb(new Error('You must provide a batchId.'));
  }
  return this.request('/closeBatch', {
    id: batchId
  }, cb);
};

Phaxio.prototype.provisionNumber = function(opt, cb) {
  if (!opt.area_code) {
    return cb(new Error('You must provide an area code.'));
  }
  this.request('/provisionNumber', opt, cb);
};

Phaxio.prototype.releaseNumber = function(number, cb) {
  if (!number) {
    return cb(new Error('You must provide a number.'));
  }
  return this.request('/releaseNumber', {
    number: number
  }, cb);
};

Phaxio.prototype.numberList = function(opt, cb) {
  if (typeof opt === 'function') {
    cb = opt;
    opt = {};
  }
  return this.request('/numberList', opt, cb);
};

Phaxio.prototype.areaCodes = function(opt, cb) {
  if (typeof opt === 'function') {
    cb = opt;
    opt = {};
  }
  return this.request('/areaCodes', opt, cb);
};

Phaxio.prototype.accountStatus = function(cb) {
  return this.request('/accountStatus', {}, cb);
};

Phaxio.prototype.testReceive = function(opt, cb) {
  if (!opt.filenames) {
    return cb(new Error('You must provide a filename'));
  }
  return this.request('/testReceive', opt, cb);
};

Phaxio.prototype.attachPhaxCodeToPdf = function(opt, cb) {
  if (typeof opt.x !== 'number' || typeof opt.y !== 'number') {
    return cb(new Error("x and y need to be numbers"));
  }
  if (!opt.filename) {
    return cb(new Error("You must provide a filename"));
  }
  return this.request('/attachPhaxCodeToPdf', opt, cb, true);
};

Phaxio.prototype.createPhaxCode = function(opt, cb) {
  if (typeof opt === 'function') {
    cb = opt;
    opt = {};
  }
  return this.request('/createPhaxCode', opt, cb, opt.redirect);
};

Phaxio.prototype.getHostedDocument = function(opt, cb) {
  if (!opt.name) {
    return cb(new Error('You must provide a document name.'));
  }
  return this.request('/getHostedDocument', opt, cb, true);
};

Phaxio.prototype.faxFile = function(opt, cb) {
  if (!opt.id) {
    return cb(new Error('You must include a fax id.'));
  }
  return this.request('/faxFile', opt, cb, true);
};

Phaxio.prototype.request = function(resource, opt, cb) {
  if (typeof cb !== 'function') {
    cb = function() {};
  }

  opt = opt || {};
  opt.api_key = opt.api_key || this.api_key;
  opt.api_secret = opt.api_secret || this.api_secret;

  var multipart = [];

  var filenames = opt.filenames;
  delete opt.filenames;

  var addPart = function(name, body) {
    multipart.push({
      'content-disposition': 'form-data; name="' + name + '"',
      body: body
    });
  };

  var _iterator = function(v) {
    addPart(name, v);
  };

  for (var key in opt) {

    if (opt.hasOwnProperty(key)) {

      var name = key;

      if (Array.isArray(opt[key])) {
        name = name + '[]';
        opt[key].forEach(_iterator);
      } else if (typeof opt[key] === "boolean" || typeof opt[key] === "number") {
        addPart(name, opt[key].toString());
      } else {
        addPart(name, opt[key]);
      }
    }
  }

  var reqBody = {
    method: 'POST',
    uri: this.host + this.endpoint + resource,
    headers: {
      'content-type': 'multipart/form-data;'
    },
    multipart: multipart,
    encoding: 'binary',
    agent: false
  };

  var responseCb = function(err, res, body) {
    // phaxio isn't too picky about response types
    if (res && (true || res.headers['content-type'] === 'application/json')) {
      try {
        body = JSON.parse(body);
      } catch (e) {
        //err = err || e;
      }
    }

    cb(err, body, res);
  };

  if (!filenames) {
    return request(reqBody, responseCb);
  }

  filenames = Array.isArray(filenames) ? filenames : [filenames];

  var files = 0;
  filenames.forEach(function(filename, index) {
    files++;
    fs.readFile(filename, function(err, data) {
      if (err) {
        return cb(err);
      }

      files--;
      multipart.push({
        'content-disposition': 'form-data; name="filename[]"; filename="' + path.basename(filename) + '"',
        'content-type': (mime.lookup(filename) || 'application/octet-stream'),
        body: data
      });
      if (files === 0) {
        return request(reqBody, responseCb);
      }
    });
  });

};