From 686895d057d66190a85c1c335a5413c218502a69 Mon Sep 17 00:00:00 2001
From: Javier Cicchelli <javier@rock-n-code.com>
Date: Fri, 27 Mar 2026 18:00:16 +0100
Subject: [PATCH] Improved the ISODateTimeTranscoder transcoder in the library
 target to support both ISO dates and timestamps.

---
 ...oder.swift => ISODateTimeTranscoder.swift} | 35 +++++++++++--------
 .../Public/Clients/AmiiboLiveClient.swift     |  2 +-
 2 files changed, 22 insertions(+), 15 deletions(-)
 rename Sources/AmiiboService/Internal/Transcoders/{ISOTimestampTranscoder.swift => ISODateTimeTranscoder.swift} (50%)

diff --git a/Sources/AmiiboService/Internal/Transcoders/ISOTimestampTranscoder.swift b/Sources/AmiiboService/Internal/Transcoders/ISODateTimeTranscoder.swift
similarity index 50%
rename from Sources/AmiiboService/Internal/Transcoders/ISOTimestampTranscoder.swift
rename to Sources/AmiiboService/Internal/Transcoders/ISODateTimeTranscoder.swift
index 0a2121a..28cc7bb 100644
--- a/Sources/AmiiboService/Internal/Transcoders/ISOTimestampTranscoder.swift
+++ b/Sources/AmiiboService/Internal/Transcoders/ISODateTimeTranscoder.swift
@@ -15,19 +15,22 @@
 import Foundation
 import OpenAPIRuntime
 
-/// A type that allows the decoding and encoding of ISO timestamp dates, defined by the `yyyy-MM-dd'T'HH:mm:ss.SSSSSS` custom date format.
-struct ISOTimestampTranscoder {
+/// A type that allows the decoding and encoding of ISO dates, supporting both the `yyyy-MM-dd'T'HH:mm:ss.SSSSSS` timestamp format and the `yyyy-MM-dd` date-only format.
+struct ISODateTimeTranscoder {
     
     // MARK: Properties
     
-    /// A formatter to use to decode and encode ISO timestamps dates.
-    private let dateFormatter: DateFormatter = .isoTimestamp
+    /// A formatter to use to decode and encode ISO timestamp dates.
+    private let timestampFormatter: DateFormatter = .isoTimestamp
+    
+    /// A formatter to use to decode and encode ISO date-only strings.
+    private let dateFormatter: DateFormatter = .isoDate
     
 }
 
- // MARK: - DateTranscoder
+// MARK: - DateTranscoder
 
-extension ISOTimestampTranscoder: DateTranscoder {
+extension ISODateTimeTranscoder: DateTranscoder {
     
     // MARK: Functions
     
@@ -35,22 +38,26 @@ extension ISOTimestampTranscoder: DateTranscoder {
     /// - Parameter date: A date to encode.
     /// - Returns: A string representation of the date in `yyyy-MM-dd'T'HH:mm:ss.SSSSSS` format.
     func encode(_ date: Date) throws -> String {
-        dateFormatter.string(from: date)
+        timestampFormatter.string(from: date)
     }
     
-    /// Decodes an ISO timestamp string into a date.
+    /// Decodes an ISO date string into a date, trying the timestamp format first and falling back to the date-only format.
     /// - Parameter string: A string to decode.
     /// - Returns: A date parsed from the string.
     /// - Throws: A `DecodingError` if the string cannot be parsed into a valid date.
     func decode(_ string: String) throws -> Date {
-        guard let date = dateFormatter.date(from: string) else {
-            throw DecodingError.dataCorrupted(.init(
-                codingPath: [],
-                debugDescription: "Expected an ISO timestamp with format 'yyyy-MM-dd'T'HH:mm:ss.SSSSSS', but found '\(string)' instead."
-            ))
+        if let date = timestampFormatter.date(from: string) {
+            return date
         }
         
-        return date
+        if let date = dateFormatter.date(from: string) {
+            return date
+        }
+        
+        throw DecodingError.dataCorrupted(.init(
+            codingPath: [],
+            debugDescription: "Expected an ISO date with format 'yyyy-MM-dd'T'HH:mm:ss.SSSSSS' or 'yyyy-MM-dd', but found '\(string)' instead."
+        ))
     }
     
 }
diff --git a/Sources/AmiiboService/Public/Clients/AmiiboLiveClient.swift b/Sources/AmiiboService/Public/Clients/AmiiboLiveClient.swift
index 0ba560b..81933ff 100644
--- a/Sources/AmiiboService/Public/Clients/AmiiboLiveClient.swift
+++ b/Sources/AmiiboService/Public/Clients/AmiiboLiveClient.swift
@@ -35,7 +35,7 @@ public struct AmiiboLiveClient: Sendable {
         
         self.client = .init(
             serverURL: serverURL,
-            configuration: .init(dateTranscoder: ISOTimestampTranscoder()),
+            configuration: .init(dateTranscoder: ISODateTimeTranscoder()),
             transport: transport
         )
     }