ringcentral-ruby / ringcentral-avatars-ruby

require 'faraday'

require 'ringcentral_sdk'

require 'tempfile'

module RingCentral

  module Avatars

      DEFAULT_SIZE = 600

      attr_accessor :client

      attr_accessor :extensions

      def initialize(client)

        @client = client

        load_extensions

      end

      ##

      # Convenience method for creating default avatars for all extensions

      # Defaults to not overwriting existing avatars

      def create_defaults(opts = {})

        opts[:overwrite] = false

        create_all opts

      end

      ##

      # Convenience method for creating avatars for all extensions

      # Defaults to overwriting existing avatar

      def create_all(opts = {})

        opts[:overwrite] = true unless opts.key?(:overwrite)

        @extensions.extensions_hash.each do |ext_id, ext|

          create_avatar ext, opts

        end

        load_extensions

      end

      ##

      # Convenience method for creating avatar for authorized extension

      # Defaults to not overwriting existing avatar

      def create_mine(opts = {})

        res = @client.http.get 'account/~/extension/~'

        create_avatar res.body, opts

        load_extensions

      end

      ##

      # Create the avatar for the extension.

      # Defaults to not overwriting existing avatar

      def create_avatar(ext, opts = {})

        opts[:overwrite] = false unless opts.key?(:overwrite)

        return if has_avatar(ext) && !opts[:overwrite]

        avatar_temp = get_avatar_tmp_file ext

        url = "account/~/extension/#{ext['id']}/profile-image"

        image = Faraday::UploadIO.new(avatar_temp.path, 'image/png')

        @client.http.put url, image: image

      end

      ##

      # Determines if extension has an existing avatar

      # Checks by looking ofr the presence of the `etag` property

        return ext['profileImage'].key?('etag') ? true : false

      end

      def get_avatar_tmp_file(ext)

        avatar_blob = Avatarly.generate_avatar(ext['name'], size: DEFAULT_SIZE)

        avatar_temp = Tempfile.new(['avatar', '.png'])

        avatar_temp.binmode

        avatar_temp.write(avatar_blob)

        avatar_temp.flush

        avatar_temp

      end

      def load_extensions

        @extensions = RingCentralSdk::REST::Cache::Extensions.new client

        @extensions.retrieve_all

      end

      ##

      # Returns a list of avatar URLs which can be useful for testing purposes

      # Adding the current access token is optional

      def avatar_urls(include_token = false)

        urls = []

        @extensions.extensions_hash.keys.sort.each do |ext_id|

          ext = @extensions.extensions_hash[ext_id]

          urls.push avatar_url(ext, include_token)

        end

        return urls

      end

      def my_avatar_url(include_token = false)

        res = @client.http.get 'account/~/extension/~'

        avatar_url(res.body, include_token)

      end

  end