gistfile1.rb

require 'json'
require 'csv'

hnh = JSON.parse(File.read('hackersandhustlers2.json'))
names = []

# Make a list of all the unique names in hnh
hnh.each { |post| names << post['from']['name'] }
ppl = []
names = names.uniq!

# For each name, iterate over all posts and tally the number of likes
names.each do |name|
  likes = 0
  hnh.each do |post|

    # If they made the post, add to their like count
    if post['from']['name'] == name
      likes += if post['likes'] then post['likes']['count'] else 0 end
    end

    # If they commented, add to their like count
    if post['comments']['count'] > 0
      begin
        post['comments']['data'].each do |comment|
          if comment['from']['name'] == name
            likes += comment['likes'] ? comment['likes'] : 0
          end
        end
      rescue
        # Some posts with only 1 comment don't have any comment data 
      end
    end

  end
  ppl << {name: name, likes: likes}
end

# Sort by likes
ppl = ppl.sort_by {|person| person[:likes]}
ppl = ppl.reverse

# Generate a CSV string
csv_string = CSV.generate do |csv|
  ppl.each do |person|
    if person[:likes] > 10
      csv << [person[:name], person[:likes]]
    end
  end
end

# Write to a file
File.open('most_likes_3.csv', 'w') {|f| f.write(csv_string)}