Added core pricing metafield and status check job

PartSource.Services/VehicleService.cs

@@ -101,7 +101,7 @@ namespace PartSource.Services
 
 				string tag = $"{string.Join('-', years)} {make.Trim()} {model.Trim()}";
 
-				Console.WriteLine(tag);
+				System.Diagnostics.Debug.WriteLine(tag);
 
 				fitmentTags.Add(tag);
 			}
@@ -116,6 +116,11 @@ namespace PartSource.Services
 
 		public IList<VehicleData> GetVehiclesForPart(string partNumber, string lineCode)
 		{
+			if (string.IsNullOrEmpty(partNumber) || string.IsNullOrEmpty(lineCode))
+			{
+				return null;
+			}
+
 			partNumber = Regex.Replace(partNumber, "[^a-zA-Z0-9]", string.Empty);
 
 			IQueryable<string> whiCodes = _partSourceContext.DcfMappings