image.rb

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

class Image
  attr_accessor :id, :image, :media_type, :file_name, :width, :height, :has_alpha, :avg_color

  def initialize(id: nil, image: nil, media_type: nil, file_name: nil, width: nil, height: nil, has_alpha: nil, avg_color: nil)
    @id = id
    @image = image
    @media_type = media_type
    @file_name = file_name
    @width = width
    @height = height
    @has_alpha = has_alpha
    @avg_color = avg_color
  end

  def self.from_response(payload)
    Image.new(
      id: payload[:id],
      media_type: payload[:media_type],
      file_name: payload[:file_name],
      width: payload[:width],
      height: payload[:height],
      has_alpha: payload[:has_alpha],
      avg_color: payload[:avg_color]
    )
  end

  def payload
    {
      image: image,
      media_type: media_type,
      file_name: file_name
    }.to_json
  end

  def same?(actual)
    (id.nil? || id == actual.id) &&
      (media_type.nil? || media_type == actual.media_type) &&
      (file_name.nil? || file_name == actual.file_name) &&
      (width.nil? || width == actual.width) &&
      (height.nil? || height == actual.height) &&
      (has_alpha.nil? || has_alpha == actual.has_alpha) &&
      (avg_color.nil? || avg_color == actual.avg_color)
  end

  def src
    "#{APIConfig.image_api_request_url}/images/#{id}"
  end

  def self.full_example
    Image.new(
      image: File.read(File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '..', 'data', 'typeform_image.txt'))),
      media_type: 'image/gif',
      file_name: 'typeform.gif',
      width: 530,
      height: 350,
      has_alpha: true,
      avg_color: '5a6067'
    )
  end
end