index.js

//
// MIT License
//
// Copyright (c) 2016 Thai Thien
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
//

var thecatapi = {}
thecatapi.linkbuilder = function (category, apiKey, type, size) {
  var baselink = 'http://thecatapi.com/api/images/get?'
  var link = baselink

  if (size !== 'small' && size !== 'med' && size !== 'full') {
    size = 'full'
  }

  if (type !== 'jpg' && type !== 'png' && type !== 'gif') {
    type = 'jpg'
  }

  link = link + 'type=' + type + '&size=' + size

  if (apiKey !== undefined) {
    link = link + '&api_key=' + apiKey
  }

  if (category !== undefined && category !== null) {
    link = link + '&category=' + category
  }

  return link
}

module.exports = thecatapi