card view

src/Core/Models/View/CardView.cs

@@ -1,20 +1,89 @@
 using Bit.Core.Models.Domain;
+using System.Text.RegularExpressions;
 
 namespace Bit.Core.Models.View
 {
     public class CardView : View
     {
+        private string _brand;
+        private string _number;
+        private string _subTitle;
+
         public CardView() { }
 
         public CardView(Card c) { }
 
-        public string Id { get; set; }
-        public string Url { get; set; }
-        public string Size { get; set; }
-        public string SizeName { get; set; }
-        public string FileName { get; set; }
-        public SymmetricCryptoKey Key { get; set; }
+        public string CardholderName { get; set; }
+        public string ExpMonth { get; set; }
+        public string ExpYear { get; set; }
+        public string Code { get; set; }
+        public string MaskedCode => Code != null ? new string('•', Code.Length) : null;
 
-        // TODO
+        public string Brand
+        {
+            get => _brand;
+            set
+            {
+                _brand = value;
+                _subTitle = null;
+            }
+        }
+
+        public string Number
+        {
+            get => _number;
+            set
+            {
+                _number = value;
+                _subTitle = null;
+            }
+        }
+
+        public string SubTitle
+        {
+            get
+            {
+                if(_subTitle == null)
+                {
+                    _subTitle = Brand;
+                    if(Number != null && Number.Length >= 4)
+                    {
+                        if(string.IsNullOrWhiteSpace(_subTitle))
+                        {
+                            _subTitle += ", ";
+                        }
+                        else
+                        {
+                            _subTitle = string.Empty;
+                        }
+                        // Show last 5 on amex, last 4 for all others
+                        var count = Number.Length >= 5 && Regex.Match(Number, "^3[47]").Success ? 5 : 4;
+                        _subTitle += ("*" + Number.Substring(Number.Length - count));
+                    }
+                }
+                return _subTitle;
+            }
+        }
+
+        public string Expiration
+        {
+            get
+            {
+                var expMonthNull = string.IsNullOrWhiteSpace(ExpMonth);
+                var expYearNull = string.IsNullOrWhiteSpace(ExpYear);
+                if(expMonthNull && expYearNull)
+                {
+                    return null;
+                }
+                var expMo = !expMonthNull ? ExpMonth.PadLeft(2, '0') : "__";
+                var expYr = !expYearNull ? FormatYear(ExpYear) : "____";
+                return string.Format("{0} / {1}", expMo, expYr);
+            }
+        }
+
+        private string FormatYear(string year)
+        {
+            return year.Length == 2 ? string.Concat("20", year) : year;
+        }
     }
 }