json-sample.json

[
  {
    "id": "851f799f-0852-439e-b9b2-df92c43e7672",
    "rating": 1,
    "name": "Barajas, Bahena and Kano",
    "contact": {
      "site": "https://federico.com",
      "email": "[email protected]",
      "phone": "534 814 204"
    },
    "address": {
      "street": "82247 Mariano Entrada",
      "city": "Mérida Alfredotown",
      "state": "Durango",
      "location": {
        "lat": 19.440057053713137,
        "lng": -99.12704709742486
      }
    }
  },
    {
    "id": "edb50561-46f9-4541-9c04-8de82401cc13",
    "rating": 4,
    "name": "Pedraza - Niño",
    "contact": {
      "site": "http://josé eduardo.gob.mx",
      "email": "[email protected]",
      "phone": "537 531 201"
    },
    "address": {
      "street": "207 Chavarría Lado",
      "city": "Franciscohaven",
      "state": "Baja California Norte",
      "location": {
        "lat": 19.442683820522397,
        "lng": -99.12502459288842
      }
    }
  }
]

parsedjson

# this is the parsed json after a.read
=> [{"id"=>"851f799f-0852-439e-b9b2-df92c43e7672", "rating"=>1, "name"=>"Barajas, Bahena and Kano", "contact"=>{"site"=>"https://federico.com", "email"=>"[email protected]", "phone"=>"534 814 204"}, "address"=>{"street"=>"82247 Mariano Entrada", "city"=>"Mérida Alfredotown", "state"=>"Durango", "location"=>{"lat"=>19.440057053713137, "lng"=>-99.12704709742486}}}, {"id"=>"4e17896d-a26f-44ae-a8a4-5fbd5cde79b0", "rating"=>0, "name"=>"Hernández - Lira", "contact"=>{"site"=>"http://graciela.com.mx", "email"=>"[email protected]", "phone"=>"570 746 998"}, "address"=>{"street"=>"93725 Erick Arroyo", "city"=>"Mateofurt", "state"=>"Hidalgo", "location"=>{"lat"=>19.437904276994995, "lng"=>-99.12865767750226}}}]

read.rb

class ApiRead
    require 'open-uri'
    require 'json'

    def read
      # this goes fine
      data = JSON.parse(open("http://example.com/example.json").read)["data"]
    end
    # This works: 
    # a = ApiRead.new
    # a = a.read
    # a[0]['name']
    def seed
      # This doesn't. I call this like a.seed and get "undefined method `seed' for #<Array:0x00562fb82042a0>"
      self.each do |record|
        puts record['id']
      end
    end

end