first commit

2026-03-11 11:18:25 -05:00
commit f3cb730f3b
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+using System.Xml.Linq;
+using Landmark.OLA.Models.Addresses;
+using Landmark.OLA.Models.Addresses.Enums;
+
+namespace USPS.Parsers
+{
+    public class AddressValidationResponseParser : IResponseParser<Address>
+    {
+
+        public bool CheckForError(XElement xdoc)
+        {
+            var elementAddress = xdoc.Element("Address");
+            if (elementAddress == null)
+            {
+                return true;
+            }
+            var error = elementAddress.Element("Error");
+            return (error != null);
+        }
+
+        public Address Parse(XElement xdoc)
+        {
+            if( xdoc == null )
+            {
+                throw new ArgumentNullException("Address xml is null");
+            }
+
+            var elementAddress = xdoc.Element("Address");
+            if (elementAddress == null || elementAddress.Element("Error") != null)
+            {
+                throw new FormatException("Attempt to parse address that is in error.");
+            }
+
+            try
+            {               
+                var compareAddress = new Address
+                {
+                    // USPS considers unit numbers (ex: APT 204) to be Address1. Our app's models would consider these to be Address2. DO NOT CHANGE
+                    Address2 = (string)elementAddress.Element("Address1"),
+                    Address1 = (string)elementAddress.Element("Address2"),
+                    City = (string)elementAddress.Element("City"),
+                    State = MakeStateOptionEnum((string)elementAddress.Element("State")),
+                    PostalCode = (string)elementAddress.Element("Zip5"),
+                    PostalCodeExt = (string)elementAddress.Element("Zip4"),
+                    Country = CountryOption.UnitedStates
+                };
+
+                return compareAddress;
+            }
+            catch
+            {
+                throw new FormatException("USPS XML is in an unexpected layout.");
+            }
+        }
+
+        public static StateOption MakeStateOptionEnum(string state)
+        {
+            if (Enum.TryParse(state, out StateOption parsedState))
+            {
+                return parsedState;
+            }
+            else
+            {
+                throw new FormatException("USPS XML contains an unexpected 'State'");
+            }
+        }
+    }
+}