Initial commit

app/api/v2/coin_gecko/entities/ticker.rb

@@ -0,0 +1,111 @@
+# frozen_string_literal: true
+
+module API
+  module V2
+    module CoinGecko
+      module Entities
+        class Ticker < API::V2::Entities::Base
+          expose(
+            :ticker_id,
+              documentation: {
+               type: String,
+               desc: 'Identifier of a ticker with delimiter to separate base/target, eg. BTC_ETH.'
+              }
+          ) do |ticker|
+            ticker[:market].underscore_name
+          end
+
+          expose(
+            :base_currency,
+            documentation: {
+              type: String,
+              desc: 'Symbol/currency code of base pair, eg. BTC.'
+            }
+          ) do |ticker|
+            ticker[:market][:base_unit].upcase
+          end
+
+          expose(
+            :target_currency,
+            documentation: {
+              type: String,
+              desc: 'Symbol/currency code of target pair, eg. ETH.'
+            }
+          ) do |ticker|
+            ticker[:market][:quote_unit].upcase
+          end
+
+          expose(
+            :last_price,
+            documentation: {
+              type: BigDecimal,
+              desc: 'Last transacted price of base currency based on given target currency.'
+            }
+          ) do |ticker|
+            ticker[:last]
+          end
+
+          expose(
+            :base_volume,
+            documentation: {
+              type: BigDecimal,
+              desc: '24 hour trading volume in base pair volume.'
+            }
+          ) do |ticker|
+            ticker[:amount]
+          end
+
+          expose(
+            :target_volume,
+            documentation: {
+              type: BigDecimal,
+              desc: '24 hour trading volume in base pair volume.'
+            }
+          ) do |ticker|
+            ticker[:volume]
+          end
+
+          expose(
+            :bid,
+            documentation: {
+              type: BigDecimal,
+              desc: 'Current highest bid price.'
+            }
+          ) do |ticker|
+            OrderBid.get_depth(ticker[:market].id).flatten.first.to_d
+          end
+
+          expose(
+            :ask,
+            documentation: {
+              type: BigDecimal,
+              desc: 'Current lowest ask price.'
+            }
+          ) do |ticker|
+            OrderAsk.get_depth(ticker[:market].id).flatten.first.to_d
+          end
+
+          expose(
+            :high,
+            documentation: {
+              type: BigDecimal,
+              desc: 'The highest trade price during last 24 hours (0.0 if no trades executed during last 24 hours).'
+            }
+          ) do |ticker|
+            ticker[:high]
+          end
+
+          expose(
+            :low,
+            documentation: {
+              type: BigDecimal,
+              desc: 'The lowest trade price during last 24 hours (0.0 if no trades executed during last 24 hours).'
+            }
+          ) do |ticker|
+            ticker[:low]
+          end
+        end
+      end
+    end
+  end
+end