Touching the Yelp API

yelp_api.rb

require 'oauth'
require 'json'

consumer_key = 'etdTVJFmBsqOjZITP_MqJQ'
consumer_secret = 'S1DUC0OqdRWrbvuhjVuF5QI3cEY'
token = 'm_fA4dzJ78ppRTrd2otSPFOTEx2Q_J4c'
token_secret = 'hL8scdaQ0gRMLPOj5ZCF7Wg3XvA'

api_host = 'api.yelp.com'

consumer = OAuth::Consumer.new(consumer_key, consumer_secret, {:site => "http://#{api_host}"})
access_token = OAuth::AccessToken.new(consumer, token, token_secret)

#--------This is an array that contains the category_filters that 
#--------produce results in different verticals on yelp

@filters = ["galleries",                   #art galleries 
          "fashion",                      #clothing stores
          "jewelry",                      #jewelry
          ]


#--------This produces a hash of arrays
#--------key: filter name
#--------value: array of objects with [name, lat, lng]
#--------returns k * 20 results for each filter
k = 2
store_array = {}
@filters.each do |filter_name|
  j = 0
  store_array[filter_name] = []
  k.times do
    offset  = j*20
    path    = "/v2/search?location=san%20francisco&category_filter=#{filter_name}&offset=#{offset}"
    result  = access_token.get(path).body
    businesses    = JSON.parse(result)["businesses"]
    store_array[filter_name] << businesses
    j += 1 
  end
  
end

CSV.open("storelist.csv","w") do |csv|
  csv << ["name","url","phone","categories","display phone","cross streets","city","display address","neighborhoods",
          "postal_code","state_code"]
  store_array.each do |filter, stores|
    stores.flatten.each do |h|
      loc = h["location"]
      csv << [h["name"], h["url"], h["phone"], h["categories"], h["display_phone"], loc["cross_streets"], 
              loc["city"], loc["display_address"], loc["neighborhoods"], loc["postal_code"], loc["state_code"]]
    end
  end
end