From ea65c8dc32eedd3460a1c742aa1d5f93591aff0a Mon Sep 17 00:00:00 2001
From: Karchnu <karchnu@karchnu.fr>
Date: Thu, 26 Nov 2020 06:51:29 +0100
Subject: [PATCH] Time: allow to use String representations, as produced by
 #to_json.

---
 src/cbor/from_cbor.cr | 26 ++++++++++++++++----------
 1 file changed, 16 insertions(+), 10 deletions(-)

diff --git a/src/cbor/from_cbor.cr b/src/cbor/from_cbor.cr
index e2610e7..4979fa8 100644
--- a/src/cbor/from_cbor.cr
+++ b/src/cbor/from_cbor.cr
@@ -134,18 +134,24 @@ end
 #
 # [1]: https://tools.ietf.org/html/rfc7049#section-2.4.1
 def Time.new(decoder : CBOR::Decoder)
-  case tag = decoder.read_tag
-  when CBOR::Tag::RFC3339Time
+  # In case Time is formatted as a JSON#to_json String.
+  case decoder.current_token
+  when CBOR::Token::StringT
     Time::Format::RFC_3339.parse(decoder.read_string)
-  when CBOR::Tag::EpochTime
-    case num = decoder.read_num
-    when Int
-      Time.unix(num)
-    when Float
-      Time.unix_ms((BigFloat.new(num) * 1_000).to_u64)
-    end
   else
-    raise CBOR::ParseError.new("Expected tag to have value 0 or 1, got #{tag.value}")
+    case tag = decoder.read_tag
+    when CBOR::Tag::RFC3339Time
+      Time::Format::RFC_3339.parse(decoder.read_string)
+    when CBOR::Tag::EpochTime
+      case num = decoder.read_num
+      when Int
+        Time.unix(num)
+      when Float
+        Time.unix_ms((BigFloat.new(num) * 1_000).to_u64)
+      end
+    else
+      raise CBOR::ParseError.new("Expected tag to have value 0 or 1, got #{tag.value}")
+    end
   end
 end