main.rb

require 'sinatra'
require 'aws-sdk-s3'
require 'guid'
require 'json'
require 'mini_magick'
require 'pry'

set :bind, '0.0.0.0'

before do
   content_type :json
   headers 'Access-Control-Allow-Origin' => 'http://localhost:8080',
            'Access-Control-Allow-Methods' => ['OPTIONS', 'POST'],
            'Access-Control-Allow-Headers' => 'Content-Type'
end

access_key_id = ENV['AWS_ACCESS_KEY_ID']
secret_access_key = ENV['AWS_SECRET_ACCESS_KEY']

client = Aws::S3::Client.new(
  region: 'eu-central-1',
  access_key_id: access_key_id,
  secret_access_key: secret_access_key
)

post '/book' do
  file = JSON.parse(request.body.read)

  extension = File.extname(file["name"])

  g = Guid.new
  g_filename = "#{g.to_s}#{extension}"
  @filename = file["name"]

  File.open("./public/#{@filename}", 'wb') do |f|
    decoded_file = file["image"].split(',').last()
    f.write(Base64.decode64(decoded_file))
  end

  image = MiniMagick::Image.open("./public/#{@filename}")
  image.resize('200x200')
  image.write("./resized/#{@filename}")

  client.put_object({
    acl: "public-read",
    bucket: 'booker-cover',
    key: "book/cover/#{g_filename}",
    body: IO.read("./public/#{@filename}")
  })

  client.put_object({
    acl: "public-read",
    bucket: 'booker-cover',
    key: "book/resized/#{g_filename}",
    body: IO.read("./resized/#{@filename}")
  })

  {
    object_url: "https://s3.eu-central-1.amazonaws.com/booker-cover/book/cover/#{g_filename}",
    cover_url: "https://s3.eu-central-1.amazonaws.com/booker-cover/book/resized/#{g_filename}",
    filename: @filename
  }.to_json
end

post '/cover/movie' do

    @filename = params[:file][:filename]
    file = params[:file][:tempfile]
    extension = File.extname(@filename)

    g = Guid.new
    g_filename = "#{g.to_s}#{extension}"

    File.open("./public/#{@filename}", 'wb') do |f|
      f.write(file.read)
    end

    image = MiniMagick::Image.open("./public/#{@filename}")
    image.resize('200x200')
    image.write("./resized/#{@filename}")

    # obj = client.put_object({
    #   acl: "public-read",
    #   bucket: 'cmsrental',
    #   key: "movies/covers/#{g_filename}",
    #   body: IO.read("./public/#{@filename}")
    # })

    # client.put_object({
    #   acl: "public-read",
    #   bucket: 'cmsrental',
    #   key: "movies/thumbnail/#{g_filename}",
    #   body: IO.read("./resized/#{@filename}")
    # })

    # {
    #   object_url: "https://s3.eu-central-1.amazonaws.com/cmsrental/movies/covers/#{g_filename}",
    #   cover_url: "https://s3.eu-central-1.amazonaws.com/cmsrental/movies/thumbnail/#{g_filename}"
    # }.to_json
end

post '/user/avatar' do

    # @filename = params[:file][:filename]
    # file = params[:file][:tempfile]
    # extension = File.extname(@filename)

    # g = Guid.new
    # g_filename = "#{g.to_s}#{extension}"

    # File.open("./public/#{@filename}", 'wb') do |f|
    #   f.write(file.read)
    # end

    # obj = client.put_object({
    #   acl: "public-read",
    #   bucket: 'cmsrental-avatars',
    #   key: g_filename,
    #   body: IO.read("./public/#{@filename}")
    # })

    # {
    #   object_url: "https://s3.eu-central-1.amazonaws.com/cmsrental-avatars/#{g_filename}",
    #   filename: @filename
    # }.to_json
end