store password history and revision dates

src/Core/Models/Data/CipherData.cs

@@ -13,10 +13,12 @@ namespace Bit.Core.Models.Data
             Name = cipher.Name;
             Notes = cipher.Notes;
             Fields = cipher.Fields?.Select(f => new CipherFieldData(f));
+            PasswordHistory = cipher.PasswordHistory?.Select(ph => new CipherPasswordHistoryData(ph));
         }
 
         public string Name { get; set; }
         public string Notes { get; set; }
         public IEnumerable<CipherFieldData> Fields { get; set; }
+        public IEnumerable<CipherPasswordHistoryData> PasswordHistory { get; set; }
     }
 }

src/Core/Models/Data/CipherLoginData.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Linq;
 using Bit.Core.Enums;
 using Bit.Core.Models.Api;
@@ -17,6 +18,7 @@ namespace Bit.Core.Models.Data
             Uris = cipher.Login.Uris?.Where(u => u != null).Select(u => new CipherLoginUriData(u));
             Username = cipher.Login.Username;
             Password = cipher.Login.Password;
+            PasswordRevisionDate = cipher.Login.PasswordRevisionDate;
             Totp = cipher.Login.Totp;
         }
 
@@ -28,6 +30,7 @@ namespace Bit.Core.Models.Data
         public IEnumerable<CipherLoginUriData> Uris { get; set; }
         public string Username { get; set; }
         public string Password { get; set; }
+        public DateTime? PasswordRevisionDate { get; set; }
         public string Totp { get; set; }
 
         public class CipherLoginUriData

src/Core/Models/Data/CipherPasswordHistoryData.cs

@@ -0,0 +1,19 @@
+using System;
+using Bit.Core.Models.Api;
+
+namespace Bit.Core.Models.Data
+{
+    public class CipherPasswordHistoryData
+    {
+        public CipherPasswordHistoryData() { }
+
+        public CipherPasswordHistoryData(CipherPasswordHistoryModel phModel)
+        {
+            Password = phModel.Password;
+            LastUsedDate = phModel.LastUsedDate.Value;
+        }
+        
+        public string Password { get; set; }
+        public DateTime LastUsedDate { get; set; }
+    }
+}