WIP billing

Yavsc/Interfaces/IBillingClause.cs

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+
+public interface IBillingClause { 
+    string Description {get; set;}
+    IBillingImpacter Impacter { get; }
+}
+

Yavsc/Model/Billing/FixedImpacter.cs

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+namespace Yavsc.Models.Billing   {
+public class FixedImpacter : IBillingImpacter
+{
+    public decimal ImpactedValue { get; set; }
+    public FixedImpacter (decimal impact)
+    {
+        ImpactedValue = impact;
+    }
+    public decimal Impact(decimal orgValue)
+    {
+        return orgValue + ImpactedValue;
+    }
+}
+}

Yavsc/Model/Billing/IBillingImpacter.cs

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+
+
+public interface IBillingImpacter { 
+    decimal Impact(decimal orgValue);
+
+}

Yavsc/Model/Billing/ProportionalImpacter.cs

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+namespace Yavsc.Models.Billing   {
+    public class ProportionalImpacter : IBillingImpacter    
+    {
+        public decimal K { get; set; }
+        public decimal Impact(decimal orgValue)
+        {
+            return orgValue * K;
+        }
+    }
+
+}

Yavsc/Model/Billing/ReductionCode.cs

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+
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+namespace Yavsc.Models.Billing {
+
+public class ReductionCode : IBillingClause
+{
+    [Key,DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+    public long Id { get; set; }
+    public ReductionCode(string descr, decimal impact) {
+        Description = descr;
+        impacter = new FixedImpacter(impact);
+    }
+    public string Description
+    {
+        get;
+        set;
+    }
+    IBillingImpacter impacter;
+    public IBillingImpacter Impacter
+    {
+        get
+        {
+            return impacter ;
+        }
+        private set {
+            impacter  = value;
+        }
+    }
+}
+}