Merge branch 'rework-backend'

1 files changed, 51 insertions, 0 deletions

diff --git a/dsa/DSALib/Auxiliary/Calculator/Operator.cs b/dsa/DSALib/Auxiliary/Calculator/Operator.cs
new file mode 100644
index 0000000..e6aeec6
--- /dev/null
+++ b/dsa/DSALib/Auxiliary/Calculator/Operator.cs
@@ -0,0 +1,51 @@
+using System;
+using DSALibv.Auxiliary.Calculator;
+
+namespace DSALib.Auxiliary.Calculator
+{
+    /// <summary>
+    ///     The Operator Class represents a binary operator with tow Arguments and an Operation type
+    /// </summary>
+    public class Operator : ISolvable
+    {
+        private readonly ISolvable arg1, arg2;
+
+        public Operator(ISolvable arg1, ISolvable arg2, Ops operatorType)
+        {
+            this.arg1 = arg1;
+            this.arg2 = arg2;
+            OperatorType = operatorType;
+        }
+
+        public Ops OperatorType { get; set; }
+
+        public int Solve()
+        {
+            int result;
+            switch (OperatorType)
+            {
+                case Ops.Dice:
+                    result = Dice.Roll(arg1.Solve(), arg2.Solve());
+                    break;
+                case Ops.Multiply:
+                    result = arg1.Solve() * arg2.Solve();
+                    break;
+                case Ops.Add:
+                    result = arg1.Solve() + arg2.Solve();
+                    break;
+                case Ops.Subtract:
+                    result = arg1.Solve() - arg2.Solve();
+                    break;
+                default:
+                    throw new ArgumentOutOfRangeException();
+            }
+
+            return result;
+        }
+
+        public override string ToString()
+        {
+            return $"({arg1} {OperatorType} {arg2})";
+        }
+    }
+}
\ No newline at end of file