Shared exchange functionality (#214)

CryptoExchange.Net/SharedApis/SharedSymbol.cs

@@ -0,0 +1,65 @@
+using CryptoExchange.Net.Objects;
+using System;
+
+namespace CryptoExchange.Net.SharedApis
+{
+    /// <summary>
+    /// A symbol representation based on a base and quote asset
+    /// </summary>
+    public class SharedSymbol
+    {
+        /// <summary>
+        /// The base asset of the symbol
+        /// </summary>
+        public string BaseAsset { get; set; }
+        /// <summary>
+        /// The quote asset of the symbol
+        /// </summary>
+        public string QuoteAsset { get; set; }
+        /// <summary>
+        /// The symbol name, can be used to overwrite the default formatted name
+        /// </summary>
+        public string? SymbolName { get; set; }
+        /// <summary>
+        /// The trading mode of the symbol. This determines how the base and quote asset should be formatted into the symbol name
+        /// </summary>
+        public TradingMode TradingMode { get; set; }
+        /// <summary>
+        /// Delivery time of the symbol, used for delivery futures to format the symbol name
+        /// </summary>
+        public DateTime? DeliverTime { get; set; }
+
+        /// <summary>
+        /// Create a new SharedSymbol
+        /// </summary>
+        public SharedSymbol(TradingMode tradingMode, string baseAsset, string quoteAsset, DateTime? deliverTime = null)
+        {
+            TradingMode = tradingMode;
+            BaseAsset = baseAsset;
+            QuoteAsset = quoteAsset;
+            DeliverTime = deliverTime;
+        }
+
+        /// <summary>
+        /// Create a new SharedSymbol and override the formatted name
+        /// </summary>
+        public SharedSymbol(TradingMode tradingMode, string baseAsset, string quoteAsset, string symbolName)
+        {
+            TradingMode = tradingMode;
+            BaseAsset = baseAsset;
+            QuoteAsset = quoteAsset;
+            SymbolName = symbolName;
+        }
+
+        /// <summary>
+        /// Get the symbol name using the provided formatting function
+        /// </summary>
+        public string GetSymbol(Func<string, string, TradingMode, DateTime?, string> format)
+        {
+            if (!string.IsNullOrEmpty(SymbolName))
+                return SymbolName!;
+
+            return format(BaseAsset, QuoteAsset, TradingMode, DeliverTime);
+        }
+    }
+}