data_importer/lib/importers/cvemon_cve_importer.rb

require 'rest-client'
require 'json'

class CvemonCveImporter
    attr_accessor :url
    def initialize
        @url = 'https://raw.githubusercontent.com/ARPSyndicate/cvemon/main/data.json'
    end

    def get_cve_data
        r = RestClient::Request.execute(
            :method => :get,
            :url => url,
            :headers => {"Content-type": "application/json"}
        )
        if r.code == 200
            JSON.parse(r.body)
        else
            puts "HTTP Code #{r.code}"
        end
    end

    def import
        feed = get_cve_data
        cve_ids = feed.keys
        puts "Now importing CvemonCves."
        cves = cve_ids.map do |cve_id|
            { :cve_id => cve_id, :urls => feed[cve_id] }
        end
        CvemonCve.upsert_all(cves, unique_by: :cve_id)
    end
end