util/CustomerUtils.cs

@@ -0,0 +1,88 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.EntityFrameworkCore;
+using rockfishCore.Models;
+using System.IO;
+
+namespace rockfishCore.Util
+{
+
+    public static class CustomerUtils
+    {
+
+        /// <summary>
+        /// Adds email if not already present, handles trimming and check for duplicates etc
+        /// **DOES NOT CALL SAVE ON CONTEXT, CALLER IS RESPONSIBLE**
+        /// </summary>
+        /// <param name="cust"></param>
+        /// <param name="newEmail"></param>  
+        public static void AddAdminEmailIfNotPresent(Customer cust, string newEmail)
+        {
+            AddEmailIfNotPresent(cust, newEmail, true);
+        }
+
+        /// <summary>
+        /// Adds email if not already present, handles trimming and check for duplicates etc
+        /// **DOES NOT CALL SAVE ON CONTEXT, CALLER IS RESPONSIBLE**
+        /// </summary>
+        /// <param name="cust"></param>
+        /// <param name="newEmail"></param>  
+        public static void AddSupportEmailIfNotPresent(Customer cust, string newEmail)
+        {
+            AddEmailIfNotPresent(cust, newEmail, false);
+        }
+
+        /// <summary>
+        /// Adds email if not already present, handles trimming and check for duplicates etc
+        /// **DOES NOT CALL SAVE ON CONTEXT, CALLER IS RESPONSIBLE**
+        /// </summary>
+        /// <param name="cust"></param>
+        /// <param name="newEmail"></param>
+        /// <param name="isAdmin"></param>
+        private static void AddEmailIfNotPresent(Customer cust, string newEmail, bool isAdmin)
+        {
+            newEmail = newEmail.Trim();
+            string newEmailAsLower = newEmail.ToLowerInvariant();
+            string compareTo = cust.AdminEmail;
+            if (false == isAdmin)
+                compareTo = cust.SupportEmail;
+
+            bool noPriorAddress = false;
+
+            if (!string.IsNullOrWhiteSpace(compareTo))
+                compareTo = compareTo.ToLowerInvariant();
+            else
+                noPriorAddress = true;
+
+            //See if email is already present
+            if (false == noPriorAddress && compareTo.Contains(newEmailAsLower))
+            {
+                return;//skip this one, it's already there
+            }
+
+            //It's not in the field already so add it
+            if (noPriorAddress)
+            {
+                if (isAdmin)
+                    cust.AdminEmail = newEmail;
+                else
+                    cust.SupportEmail = newEmail;
+            }
+            else
+            {
+                if (isAdmin)
+                    cust.AdminEmail = cust.AdminEmail + ", " + newEmail;
+                else
+                    cust.SupportEmail = cust.SupportEmail + ", " + newEmail;
+            }
+        }
+
+
+    }//eoc
+
+}//eons