adding Bing Image Search ruby sample

Author: aahill

ruby/Search/BingImageSearchv7.rb

@@ -0,0 +1,49 @@
+ruby
+require 'net/https'
+require 'uri'
+require 'json'
+
+# **********************************************
+# *** Update or verify the following values. ***
+# **********************************************
+
+# Replace the accessKey string value with your valid access key.
+accessKey = "enter key here"
+
+# Verify the endpoint URI.  At this writing, only one endpoint is used for Bing
+# search APIs.  In the future, regional endpoints may be available.  If you
+# encounter unexpected authorization errors, double-check this value against
+# the endpoint for your Bing Search instance in your Azure dashboard.
+
+uri  = "https://api.cognitive.microsoft.com"
+path = "/bing/v7.0/images/search"
+
+term = "puppies"
+
+if accessKey.length != 32 then
+    puts "Invalid Bing Search API subscription key!"
+    puts "Please paste yours into the source code."
+    abort
+end
+
+uri = URI(uri + path + "?q=" + URI.escape(term))
+
+puts "Searching images for: " + term
+
+request = Net::HTTP::Get.new(uri)
+request['Ocp-Apim-Subscription-Key'] = accessKey
+
+response = Net::HTTP.start(uri.host, uri.port, :use_ssl => uri.scheme == 'https') do |http|
+    http.request(request)
+end
+
+puts "\nRelevant Headers:\n\n"
+response.each_header do |key, value|
+    # header names are coerced to lowercase
+    if key.start_with?("bingapis-") or key.start_with?("x-msedge-") then
+        puts key + ": " + value
+    end
+end
+
+puts "\nJSON Response:\n\n"
+puts JSON::pretty_generate(JSON(response.body))