fix(ios): trakt date parsing logic causing old shows to appear first cw section

composeApp/src/androidMain/kotlin/com/nuvio/app/features/trakt/TraktPlatformClock.android.kt

@@ -5,7 +5,7 @@ import java.time.Instant
 internal actual object TraktPlatformClock {
     actual fun nowEpochMs(): Long = System.currentTimeMillis()
 
-    actual fun parseIsoDateTimeToEpochMs(value: String): Long? = runCatching {
-        Instant.parse(value).toEpochMilli()
-    }.getOrNull()
+    actual fun parseIsoDateTimeToEpochMs(value: String): Long? =
+        runCatching { Instant.parse(value).toEpochMilli() }.getOrNull()
+            ?: parseTraktIsoDateTimeToEpochMs(value)
 }

composeApp/src/commonMain/kotlin/com/nuvio/app/features/trakt/TraktIsoDateParser.kt

@@ -0,0 +1,70 @@
+package com.nuvio.app.features.trakt
+
+private val TraktIsoDateTimeRegex = Regex(
+    """^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})(?:\.(\d{1,9}))?(Z|[+-]\d{2}:?\d{2})$""",
+)
+
+internal fun parseTraktIsoDateTimeToEpochMs(value: String): Long? {
+    val match = TraktIsoDateTimeRegex.matchEntire(value.trim()) ?: return null
+    val year = match.groupValues[1].toIntOrNull() ?: return null
+    val month = match.groupValues[2].toIntOrNull()?.takeIf { it in 1..12 } ?: return null
+    val day = match.groupValues[3].toIntOrNull() ?: return null
+    val hour = match.groupValues[4].toIntOrNull()?.takeIf { it in 0..23 } ?: return null
+    val minute = match.groupValues[5].toIntOrNull()?.takeIf { it in 0..59 } ?: return null
+    val second = match.groupValues[6].toIntOrNull()?.takeIf { it in 0..59 } ?: return null
+    if (day !in 1..daysInMonth(year, month)) return null
+
+    val millisecond = match.groupValues[7]
+        .takeIf { it.isNotEmpty() }
+        ?.padEnd(3, '0')
+        ?.take(3)
+        ?.toIntOrNull()
+        ?: 0
+    val offsetMs = parseOffsetMs(match.groupValues[8]) ?: return null
+
+    return isoEpochDay(year, month, day) * MillisPerDay +
+        hour * MillisPerHour +
+        minute * MillisPerMinute +
+        second * MillisPerSecond +
+        millisecond -
+        offsetMs
+}
+
+private fun parseOffsetMs(value: String): Long? {
+    if (value == "Z") return 0L
+    val sign = when (value.firstOrNull()) {
+        '+' -> 1L
+        '-' -> -1L
+        else -> return null
+    }
+    val digits = value.drop(1).replace(":", "")
+    if (digits.length != 4) return null
+    val hours = digits.take(2).toIntOrNull()?.takeIf { it in 0..23 } ?: return null
+    val minutes = digits.drop(2).toIntOrNull()?.takeIf { it in 0..59 } ?: return null
+    return sign * ((hours * MillisPerHour) + (minutes * MillisPerMinute))
+}
+
+private fun isoEpochDay(year: Int, month: Int, day: Int): Long {
+    val adjustedYear = year.toLong() - if (month <= 2) 1L else 0L
+    val era = if (adjustedYear >= 0L) adjustedYear / 400L else (adjustedYear - 399L) / 400L
+    val yearOfEra = adjustedYear - era * 400L
+    val adjustedMonth = month.toLong() + if (month > 2) -3L else 9L
+    val dayOfYear = (153L * adjustedMonth + 2L) / 5L + day - 1L
+    val dayOfEra = yearOfEra * 365L + yearOfEra / 4L - yearOfEra / 100L + dayOfYear
+    return era * 146_097L + dayOfEra - 719_468L
+}
+
+private fun daysInMonth(year: Int, month: Int): Int =
+    when (month) {
+        2 -> if (isLeapYear(year)) 29 else 28
+        4, 6, 9, 11 -> 30
+        else -> 31
+    }
+
+private fun isLeapYear(year: Int): Boolean =
+    year % 4 == 0 && (year % 100 != 0 || year % 400 == 0)
+
+private const val MillisPerSecond = 1_000L
+private const val MillisPerMinute = 60L * MillisPerSecond
+private const val MillisPerHour = 60L * MillisPerMinute
+private const val MillisPerDay = 24L * MillisPerHour

composeApp/src/iosMain/kotlin/com/nuvio/app/features/trakt/TraktPlatformClock.ios.kt

@@ -1,14 +1,11 @@
 package com.nuvio.app.features.trakt
 
 import platform.Foundation.NSDate
-import platform.Foundation.NSISO8601DateFormatter
 import platform.Foundation.timeIntervalSince1970
 
 internal actual object TraktPlatformClock {
     actual fun nowEpochMs(): Long = (NSDate().timeIntervalSince1970 * 1000.0).toLong()
 
     actual fun parseIsoDateTimeToEpochMs(value: String): Long? =
-        NSISO8601DateFormatter()
-            .dateFromString(value)
-            ?.let { date -> (date.timeIntervalSince1970 * 1000.0).toLong() }
+        parseTraktIsoDateTimeToEpochMs(value)
 }