Rename strategy to indicators

src/Managing.Domain/Strategies/Signals/ThreeWhiteSoldiersIndicator.cs

@@ -0,0 +1,60 @@
+using Managing.Domain.Candles;
+using Managing.Domain.Shared.Rules;
+using Managing.Domain.Strategies.Base;
+using Managing.Domain.Strategies.Rules;
+using static Managing.Common.Enums;
+
+namespace Managing.Domain.Strategies.Signals
+{
+    public class ThreeWhiteSoldiersIndicator : Indicator
+    {
+        public ThreeWhiteSoldiersIndicator(string name, int period)
+            : base(name, IndicatorType.ThreeWhiteSoldiers)
+        {
+            Period = period;
+        }
+
+        public TradeDirection Direction { get; }
+
+        public override List<Signal> Run()
+        {
+            var signals = new List<Signal>();
+
+            if (Candles.Count <= 3)
+            {
+                return null;
+            }
+
+            try
+            {
+                var lastFourCandles = Candles.TakeLast(4);
+                Candle previousCandles = null;
+
+                foreach (var currentCandle in lastFourCandles)
+                {
+                    if (Direction == TradeDirection.Long)
+                    {
+                        Check.That(new CloseHigherThanThePreviousHigh(previousCandles, currentCandle));
+                    }
+                    else
+                    {
+                        Check.That(new CloseLowerThanThePreviousHigh(previousCandles, currentCandle));
+                    }
+
+                    previousCandles = currentCandle;
+                }
+
+                return signals;
+            }
+            catch (RuleException)
+            {
+                return null;
+            }
+        }
+
+        public override IndicatorsResultBase GetStrategyValues()
+        {
+            throw new NotImplementedException();
+        }
+    }
+}