Initial commit

app/services/vendors/vistar/vistar_fetch_ad.rb

@@ -0,0 +1,93 @@
+# frozen_string_literal: true
+
+require_relative '../../log/loggable'
+require_relative '../errors/schedule_fetch_error'
+require 'net/http'
+
+module Vendors
+  module Vistar
+    class VistarFetchAd
+      include Log::Loggable
+
+      PATH = 'api/v1/get_ad/json'
+      DEFAULT_SUPPORTED_MEDIA = %w[
+        application/x-shockwave-dynamic-flash
+        application/x-shockwave-flash
+        image/jpeg
+        image/png
+        video/mp4
+        video/mpeg
+        video/mpg
+        video/quicktime
+        video/webm
+        video/x-flv
+        video/x-ms-wmv
+        video/x-msvideo
+      ]
+
+      def initialize(tokens)
+        @tokens = tokens
+      end
+
+      def call(params)
+        logger.info "Vistar fetch Ad request"
+        res = Net::HTTP.post(
+          Vendors::Vistar::VistarSettings.instance.vistar_url(PATH),
+          body(params),
+          {
+            "Content-Type": 'application/json'
+          }
+        )
+        case res
+        when Net::HTTPSuccess
+          JSON.parse(res.body).with_indifferent_access
+        else
+          logger.error "Error fetching Vistar Ad: #{res.code}"
+          raise Vendors::Errors::ScheduleFetchError, { response_code: res.code }.to_json
+        end
+      end
+
+    private
+      def body(params)
+        display_area = (params[:display_area] || [{}]).each_with_index.collect do |item, idx|
+          {
+            id: "display-#{idx}",
+            width: 1080,
+            height: 1920,
+            supported_media: DEFAULT_SUPPORTED_MEDIA,
+            static_duration: 8
+          }.merge(item)
+        end
+        params_whitelist(params).merge({
+          network_id: Vendors::Vistar::VistarSettings.instance.network_id,
+          api_key: "#{@tokens.api_key}",
+          direct_connection: false,
+          display_area: display_area
+        }).to_json
+      end
+
+      def params_whitelist(params)
+        params.slice(
+          :device_id,
+          :venue_id,
+          :display_time,
+          :device_attribute,
+          :name,
+          :display_area,
+          :id,
+          :width,
+          :height,
+          :allow_audio,
+          :supported_media,
+          :min_duration,
+          :max_duration,
+          :order_id,
+          :max_file_size_bytes,
+          :static_duration,
+          :latitude,
+          :longitude
+        )
+      end
+    end
+  end
+end