api.rb

require 'grape'
require 'versionomy'
require 'geocoder'
require 'cgi'

require_relative 'app/entities/vendor'
require_relative 'app/models/vendor/vendor'
require_relative 'lib/broker/broker'

module Profiles
  class API < Grape::API
    version 'v1', using: :header, vendor: 'paasfinder'
    format :json
    prefix :api

    resource :vendors do
      desc 'Returns all vendors'
      get do
        present Vendor.all
      end

      desc 'Returns a vendor.'
      params do
        requires :name, type: String, desc: 'Vendor name.'
      end
      get ':name' do
        begin
          vendor = Vendor.find_by(name: /\A#{params[:name].tr('_', '.')}\z/i)
          present vendor
        rescue Exception
          error! 'Vendor not found', 404
        end
      end

      get ':name/infrastructures' do
        name = params[:name].tr('_', '.')
        # TODO: move to main configuration file
        Geocoder.configure(
          timeout: 5,
          use_https: true,
          api_key: ENV['GEO_KEY']
        )

        markers = []
        vendor = Vendor.where(name: /#{name}/i).only(:infrastructures).first

        unless vendor.nil? || vendor['infrastructures'].blank?
          vendor['infrastructures'].each do |infra|
            next if infra['region'].blank?

            begin
              dc = Datacenter.find_by(region: infra['region'], country: infra['country'])
              markers << { latLng: dc.coordinates, name: dc.to_s }
            rescue Exception
              coord = Geocoder.coordinates("#{infra['region']}, #{infra['country']}")
              markers << { latLng: coord, name: infra['region'] }
            end

          end
        end

        markers
      end
    end

    post '/broker' do
      begin
        data = JSON.parse(request.body.read)
        # match this vendor
        result = Broker.new.match(data)
        present result
        status 200
      rescue JSON::ParserError => e
        error! "JSON request has a bad format #{e}", 400
      rescue StandardError => e
        error! "Matching error #{e}", 500
      end
    end

    get '/infrastructures' do
      markers = []

      Datacenter.all.each do |center|
        markers << { latLng: center.coordinates, name: center.to_s }
      end

      markers
    end
  end
end