RoR string from array

Question

I have an array of hashes generated by map

arr = current_order.order_items.map{|oi|[{name:oi.name,price:oi.price}]

[{:name=>"Jacket", :price=>300},
 {:name=>"Bag", :price=>650 },
 {:name=>"Suit", :price=>300}].to_s

i need to make a string from it like this

name: Jacket,price:300
name: Bag,price:650
name: Suit,price:300

What i did it gsub every needed element like gsub(':size=>','size:')

but it looks very ugly

Need more convenient solution for this

Answer 1

You could do something like:

1. Define a function on a hash to pretty print it for you.

2. map over the array to gain pretty printed strings for each.

    def pretty_print(hash) hash.map {|key, value| "#{key}: #{value}"}.join(', ') end arr.map {|hash| pretty_print(hash)} 

Answer 2

If keys are predetermined:

arr.map { |item| "name:#{ item[:name] }, price:#{ item[:price] }" }.join("\n")

If not:

arr.map { |item| item.map { |k, v| "#{ k }:#{ v }" }.join(', ')  }.join("\n")