encode version pointers

Author: cbaker6

Sources/ParseCareKit/Models/PCKCodingKeys.swift

@@ -14,5 +14,7 @@ enum PCKCodingKeys: String, CodingKey {
     case uuid, schemaVersion, createdDate, updatedDate, deletedDate, timezone,
          userInfo, groupIdentifier, tags, source, asset, remoteID, notes,
          logicalClock, clock, className, ACL, objectId, updatedAt, createdAt
-    case effectiveDate, previousVersionUUIDs, nextVersionUUIDs
+    case effectiveDate, previousVersionUUIDs, nextVersionUUIDs,
+         previousVersions, nextVersions
+
 }

Sources/ParseCareKit/Models/PCKOutcome.swift

@@ -333,10 +333,6 @@ extension PCKOutcome {
         try container.encodeIfPresent(taskUUID, forKey: .taskUUID)
         try container.encodeIfPresent(taskOccurrenceIndex, forKey: .taskOccurrenceIndex)
         try container.encodeIfPresent(values, forKey: .values)
-        try container.encodeIfPresent(deletedDate, forKey: .deletedDate)
-        try container.encodeIfPresent(effectiveDate, forKey: .effectiveDate)
-        try container.encodeIfPresent(previousVersionUUIDs, forKey: .previousVersionUUIDs)
-        try container.encodeIfPresent(nextVersionUUIDs, forKey: .nextVersionUUIDs)
-        try encodeObjectable(to: encoder)
+        try encodeVersionable(to: encoder)
     }
 }// swiftlint:disable:this file_length

Sources/ParseCareKit/Protocols/PCKVersionable.swift

@@ -123,9 +123,11 @@ extension PCKVersionable {
     public func encodeVersionable(to encoder: Encoder) throws {
         var container = encoder.container(keyedBy: PCKCodingKeys.self)
         try container.encodeIfPresent(deletedDate, forKey: .deletedDate)
+        try container.encodeIfPresent(effectiveDate, forKey: .effectiveDate)
         try container.encodeIfPresent(previousVersionUUIDs, forKey: .previousVersionUUIDs)
         try container.encodeIfPresent(nextVersionUUIDs, forKey: .nextVersionUUIDs)
-        try container.encodeIfPresent(effectiveDate, forKey: .effectiveDate)
+        try container.encodeIfPresent(previousVersions, forKey: .previousVersions)
+        try container.encodeIfPresent(nextVersions, forKey: .nextVersions)
         try encodeObjectable(to: encoder)
     }
 } // swiftlint:disable:this file_length