From ce1559dc15216ed3a7151af08911daff42c2e3a9 Mon Sep 17 00:00:00 2001
From: panxi <xinleiryan.pan@verizonwireless.com>
Date: Thu, 12 Dec 2019 17:28:02 -0500
Subject: [PATCH] add decode array method

---
 MVMCoreUI/Models/Extensions/ModelHelper.swift | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/MVMCoreUI/Models/Extensions/ModelHelper.swift b/MVMCoreUI/Models/Extensions/ModelHelper.swift
index da5e0d56..b4d0b1e2 100644
--- a/MVMCoreUI/Models/Extensions/ModelHelper.swift
+++ b/MVMCoreUI/Models/Extensions/ModelHelper.swift
@@ -20,4 +20,15 @@ extension KeyedDecodingContainer where Key : CodingKey {
     public func decodeIfPresent(codingKey: KeyedDecodingContainer<K>.Key) throws -> MoleculeProtocol? {
         return try decodeIfPresent(codingKey: codingKey, typeCodingKey: TypeCodingKey.moleculeName)
     }
+    
+    public func decodeArray(codingKey: KeyedDecodingContainer<K>.Key) throws -> [MoleculeProtocol] {
+        guard let models = try decodeArray(codingKey: codingKey, typeCodingKey: TypeCodingKey.moleculeName) as? [MoleculeProtocol] else {
+            throw ModelRegistry.Error.decoderError
+        }
+        return models
+    }
+    
+    public func decodeArrayIfPresent(codingKey: KeyedDecodingContainer<K>.Key) throws -> [MoleculeProtocol]? {
+        return try decodeArrayIfPresent(codingKey: codingKey, typeCodingKey: TypeCodingKey.moleculeName) as? [MoleculeProtocol]
+    }
 }