jsontocouch.rb

require 'faraday'
require 'json'
require 'couchrest'

@couch = CouchRest.new("http://127.0.0.1:5984")
@db = @couch.create_db('items')

# http://127.0.0.1:5984/_utils/

# TODO: download images as attachments

TOKEN = ""

def fburl(r, token)
  "https://graph.facebook.com/#{r}?access_token=#{token}"
end

def get_data(url)
  response = Faraday.get url
  data = JSON.parse(response.body)
  if data["error"]
    puts "Error in auth"
    exit(1)
  end
  data
end

downloading = true
data = get_data(fburl(???, TOKEN))

while downloading
  data["data"].each do |post|
    post["_id"] = post["id"]
    @db.save_doc(post)
  end
  
  data = get_data(data["paging"]["next"])
  downloading = !!data["paging"]
end

objtocouch.rb

require 'faraday'
require 'json'

conn = Faraday.new("http://localhost:5984")

resp = conn.post do |req|
  req.url '/test/_bulk_docs'
  req.headers['Content-Type'] = 'application/json'
  req.body = JSON::dump({docs: obj})
end
puts resp.body