1 files changed, 39 insertions, 0 deletions
diff --git a/Hutch/Extensions/DateFormatter+SRHT.swift b/Hutch/Extensions/DateFormatter+SRHT.swift
new file mode 100644
index 0000000..c017b11
--- /dev/null
+++ b/Hutch/Extensions/DateFormatter+SRHT.swift
@@ -0,0 +1,39 @@
+import Foundation
+
+extension DateFormatter {
+    /// Formatter for the sr.ht `Time` scalar: `%Y-%m-%dT%H:%M:%SZ` (UTC).
+    static let srht: DateFormatter = {
+        let formatter = DateFormatter()
+        formatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ssZ"
+        formatter.locale = Locale(identifier: "en_US_POSIX")
+        formatter.timeZone = TimeZone(identifier: "UTC")
+        return formatter
+    }()
+
+    /// Fallback formatter that also accepts fractional seconds.
+    static let srhtFractional: DateFormatter = {
+        let formatter = DateFormatter()
+        formatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ss.SSSZ"
+        formatter.locale = Locale(identifier: "en_US_POSIX")
+        formatter.timeZone = TimeZone(identifier: "UTC")
+        return formatter
+    }()
+}
+
+extension JSONDecoder.DateDecodingStrategy {
+    /// Tries the primary sr.ht format first, then falls back to fractional seconds.
+    static let srhtFlexible: JSONDecoder.DateDecodingStrategy = .custom { decoder in
+        let container = try decoder.singleValueContainer()
+        let string = try container.decode(String.self)
+        if let date = DateFormatter.srht.date(from: string) {
+            return date
+        }
+        if let date = DateFormatter.srhtFractional.date(from: string) {
+            return date
+        }
+        throw DecodingError.dataCorruptedError(
+            in: container,
+            debugDescription: "Cannot decode date string: \(string)"
+        )
+    }
+}