From 02987ad3617691e12aea19e31a281a7b46740668 Mon Sep 17 00:00:00 2001
From: Wiredframe <13737875+Wiredframe@users.noreply.github.com>
Date: Thu, 24 Sep 2026 20:52:13 +0200
Subject: [PATCH] Include recurrence rules in JSON output

---
 .../EKReminder+Encodable.swift                | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/Sources/RemindersLibrary/EKReminder+Encodable.swift b/Sources/RemindersLibrary/EKReminder+Encodable.swift
index f9f9fdb..bf58625 100644
--- a/Sources/RemindersLibrary/EKReminder+Encodable.swift
+++ b/Sources/RemindersLibrary/EKReminder+Encodable.swift
@@ -16,6 +16,7 @@ extension EKReminder: @retroactive Encodable {
         case startDate
         case dueDate
         case list
+        case recurrence
     }
 
     public func encode(to encoder: Encoder) throws {
@@ -51,6 +52,11 @@ extension EKReminder: @retroactive Encodable {
             try container.encodeIfPresent(format(dueDateComponents.date), forKey: .dueDate)
         }
         
+        // e.g. [{"frequency":"weekly","interval":2}]
+        if let rules = self.recurrenceRules, !rules.isEmpty {
+            try container.encode(rules.map(RecurrenceRule.init), forKey: .recurrence)
+        }
+
         if let lastModifiedDate = self.lastModifiedDate {
             try container.encode(format(lastModifiedDate), forKey: .lastModified)
         }
@@ -68,3 +74,28 @@ extension EKReminder: @retroactive Encodable {
         }
     }
 }
+
+private struct RecurrenceRule: Encodable {
+    let frequency: String
+    let interval: Int
+    let daysOfWeek: [Int]?
+    let daysOfMonth: [Int]?
+    let endDate: String?
+    let occurrenceCount: Int?
+
+    init(_ rule: EKRecurrenceRule) {
+        switch rule.frequency {
+        case .daily: frequency = "daily"
+        case .weekly: frequency = "weekly"
+        case .monthly: frequency = "monthly"
+        case .yearly: frequency = "yearly"
+        @unknown default: frequency = "unknown"
+        }
+        interval = rule.interval
+        daysOfWeek = rule.daysOfTheWeek?.map { $0.dayOfTheWeek.rawValue }
+        daysOfMonth = rule.daysOfTheMonth?.map { $0.intValue }
+        endDate = rule.recurrenceEnd?.endDate.map { ISO8601DateFormatter().string(from: $0) }
+        let count = rule.recurrenceEnd?.occurrenceCount ?? 0
+        occurrenceCount = count > 0 ? count : nil
+    }
+}