Solution: Meal Categories

# This program download 
require 'net/http'
require 'uri'

def get_url_content(url)
  puts "Conntecting to server..."
  begin
    url_content =   Net::HTTP.get(URI.parse(url))
    puts "Conntected!"
    return url_content
  rescue => e
    puts "Unable to connect to the server, Error: '#{e}'"
    exit(-1)
  end
end

def retrieve_meal_categories
  require 'json'
  json_str = get_url_content("https://www.themealdb.com/api/json/v1/{{FREE_API_KEY}}/list.php?c=list")
  begin
    json_obj = JSON.parse(json_str)
    return json_obj["meals"]
  rescue => e
    puts "Unable to parse JSON object, Error: #{e}"
    exit(-1)
  end
end

array = retrieve_meal_categories
puts "Here are the meal categories: "
array.each do |hash|
  puts hash["strCategory"]
end