v4.3.1 - Zipped custom sources handling, translation fixes

core/data/src/main/java/com/rtbishop/look4sat/core/data/repository/DatabaseRepo.kt

@@ -40,27 +40,21 @@ class DatabaseRepo(
     private val settingsRepo: ISettingsRepo
 ) : IDatabaseRepo {
 
-    private companion object {
-        val tleTypes = setOf("Amsat", "R4UAB", "Other")
-        val zippedTleTypes = setOf("McCants", "Classified")
-    }
+    private val customSourceType = "Other"
 
     override suspend fun updateTLEFromFile(uri: String) = withContext(dispatcher) {
         remoteSource.getFileStream(uri)?.let { stream ->
-            val entries = dataParser.parseTLEStream(stream)
+            val entries = dataParser.parseTLEStream(unwrapIfZipped(uri, stream))
             localSource.insertEntries(entries)
-            settingsRepo.setSatelliteTypeIds("Other", entries.map { it.catnum })
+            settingsRepo.setSatelliteTypeIds(customSourceType, entries.map { it.catnum })
         }
         setUpdateSuccessful(System.currentTimeMillis())
     }
 
     override suspend fun updateTransceiversFromFile(uri: String) = withContext(dispatcher) {
-        remoteSource.getFileStream(uri)
-            ?.let { dataParser.parseJSONStream(it) }
-            ?.takeIf { it.isNotEmpty() }
-            ?.let {
-                localSource.deleteRadios()
-                localSource.insertRadios(it)
+        remoteSource.getFileStream(uri)?.let { stream ->
+            val transceivers = dataParser.parseJSONStream(unwrapIfZipped(uri, stream))
+            localSource.insertRadios(transceivers)
         }
         setUpdateSuccessful(System.currentTimeMillis())
     }
@@ -69,28 +63,26 @@ class DatabaseRepo(
         val dataSourcesSettings = settingsRepo.dataSourcesSettings.value
         val tleUrls = buildMap {
             putAll(Sources.satelliteDataUrls)
-            if (dataSourcesSettings.useCustomTLE) put("Other", dataSourcesSettings.tleUrl)
-        }.filterValues { it.isNotEmpty() }
-
-        val radioUrls = buildList {
-            add(Sources.RADIO_DATA_URL)
-            if (dataSourcesSettings.useCustomTransceivers) add(dataSourcesSettings.transceiversUrl)
-        }
-
+            if (dataSourcesSettings.useCustomTLE) put(customSourceType, dataSourcesSettings.tleUrl)
+        }.filterValues { it.isNotBlank() }
+        val radioUrls = buildMap {
+            putAll(Sources.transceiversDataUrls)
+            if (dataSourcesSettings.useCustomTransceivers) put(customSourceType, dataSourcesSettings.transceiversUrl)
+        }.filterValues { it.isNotBlank() }
         // launch all network requests concurrently
-        val tleJobs = tleUrls.map { (type, url) -> async { type to remoteSource.getNetworkStream(url) } }
-        val radioJobs = radioUrls.map { url -> async { remoteSource.getNetworkStream(url) } }
-
-        // parse satellite data
-        val importedEntries = tleJobs.awaitAll().flatMap { (type, stream) ->
-            stream?.let { parseSatelliteStream(type, it) }.orEmpty().also { satellites ->
-                settingsRepo.setSatelliteTypeIds(type, satellites.map { it.catnum })
+        val tleJobs = tleUrls.values.map { url -> async { url to remoteSource.getNetworkStream(url) } }
+        val radioJobs = radioUrls.values.map { url -> async { url to remoteSource.getNetworkStream(url) } }
+        // parse fetched data concurrently and associate with types
+        val importedEntries = tleJobs.awaitAll().flatMap { (url, stream) ->
+            val type = tleUrls.entries.find { it.value == url }?.key ?: customSourceType
+            stream?.let { parseSatelliteStream(url, unwrapIfZipped(url, it)) }.orEmpty().also { entries ->
+                settingsRepo.setSatelliteTypeIds(type, entries.map { it.catnum })
             }
         }
-
-        // parse radio data
-        val importedRadios = radioJobs.awaitAll().filterNotNull().flatMap { dataParser.parseJSONStream(it) }
-
+        val importedRadios = radioJobs.awaitAll().flatMap { (url, stream) ->
+            stream?.let { dataParser.parseJSONStream(unwrapIfZipped(url, it)) }.orEmpty()
+        }
+        // insert parsed data into the database
         localSource.insertEntries(importedEntries)
         localSource.insertRadios(importedRadios)
         setUpdateSuccessful(System.currentTimeMillis())
@@ -102,10 +94,9 @@ class DatabaseRepo(
         setUpdateSuccessful(0L)
     }
 
-    private suspend fun parseSatelliteStream(type: String, stream: InputStream): List<OrbitalData> = when (type) {
-        in tleTypes -> dataParser.parseTLEStream(stream)
-        in zippedTleTypes -> dataParser.parseTLEStream(ZipInputStream(stream).apply { nextEntry })
-        else -> dataParser.parseCSVStream(stream)
+    private suspend fun parseSatelliteStream(url: String, stream: InputStream): List<OrbitalData> = when {
+        url.contains("FORMAT=csv", ignoreCase = true) -> dataParser.parseCSVStream(stream)
+        else -> dataParser.parseTLEStream(stream)
     }
 
     private suspend fun setUpdateSuccessful(timestamp: Long) {
@@ -113,4 +104,7 @@ class DatabaseRepo(
             DatabaseState(localSource.getRadiosTotal(), localSource.getEntriesTotal(), timestamp)
         )
     }
+
+    private fun unwrapIfZipped(url: String, stream: InputStream): InputStream =
+        if (url.endsWith(".zip", ignoreCase = true)) ZipInputStream(stream).apply { nextEntry } else stream
 }

core/domain/src/main/java/com/rtbishop/look4sat/core/domain/predict/CelestialComputer.kt

@@ -242,7 +242,8 @@ object CelestialComputer {
         t = (jd - 2451545.0) / 36525.0
         var teg = 280.46061837 + 360.98564736629 * (jd - 2451545.0) + (0.000387933 * t - t * t / 38710000.0) * t
         while (teg > 360.0) teg -= 360.0
-        val th = fixAngle((teg - observer.longitude) * DEG2RAD)
+        // LST = GMST + east longitude (positive east convention)
+        val th = mod2PI((teg + observer.longitude) * DEG2RAD)
         val h = th - ra
         val azVal = atan2(sin(h), cos(h) * sin(n) - tan(dec) * cos(n)) + PI
         val el = asin(sin(n) * sin(dec) + cos(n) * cos(dec) * cos(h))
@@ -563,9 +564,9 @@ object CelestialComputer {
     // ── Internal helpers ──
 
     private fun observerGeodetic(pos: GeoPos): DoubleArray {
-        // [lat_rad, lon_rad, alt_km]  — longitude negated so that
-        // mod2PI(thetaGJD + obsGeo[1]) == mod2PI(thetaGJD + lon_rad)
-        return doubleArrayOf(pos.latitude * DEG2RAD, -pos.longitude * DEG2RAD, pos.altitude / 1000.0)
+        // [lat_rad, lon_rad, alt_km] — longitude positive east, matching OrbitalObject convention.
+        // LST = thetaGJD(julUtc) + obsGeo[1] = GMST + lon_rad (correct).
+        return doubleArrayOf(pos.latitude * DEG2RAD, pos.longitude * DEG2RAD, pos.altitude / 1000.0)
     }
 
     /**

core/domain/src/main/java/com/rtbishop/look4sat/core/domain/source/Sources.kt

@@ -18,7 +18,6 @@
 package com.rtbishop.look4sat.core.domain.source
 
 object Sources {
-    const val RADIO_DATA_URL = "https://db.satnogs.org/api/transmitters/?format=json&status=active"
     val satelliteDataUrls = mapOf(
         "All" to "https://celestrak.org/NORAD/elements/gp.php?GROUP=active&FORMAT=csv",
         "Amateur" to "https://celestrak.org/NORAD/elements/gp.php?GROUP=amateur&FORMAT=csv",
@@ -49,4 +48,7 @@ object Sources {
         "R4UAB" to "https://r4uab.ru/satonline.txt",
         "Other" to "" // key for sats filter
     )
+    val transceiversDataUrls = mapOf(
+        "SatNOGS" to "https://db.satnogs.org/api/transmitters/?format=json&status=active"
+    )
 }

core/domain/src/main/java/com/rtbishop/look4sat/core/domain/utility/DataParser.kt

@@ -58,8 +58,6 @@ class DataParser(private val dispatcher: CoroutineDispatcher) {
         }.getOrDefault(emptyList())
     }
 
-    fun isLeapYear(year: Int): Boolean = (year % 4 == 0 && year % 100 != 0) || year % 400 == 0
-
     private fun parseCSV(values: List<String>): OrbitalData? = runCatching {
         val name = values[0]
         val timestamp = values[2]
@@ -106,7 +104,8 @@ class DataParser(private val dispatcher: CoroutineDispatcher) {
     }.onFailure { println("TLE parsing exception: $it") }.getOrNull()
 
     private fun getDayOfYear(year: Int, month: Int, dayOfMonth: Int): Int {
-        val daysInMonth = intArrayOf(31, if (isLeapYear(year)) 29 else 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31)
+        val isLeapYear = (year % 4 == 0 && year % 100 != 0) || year % 400 == 0
+        val daysInMonth = intArrayOf(31, if (isLeapYear) 29 else 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31)
         return daysInMonth.take(month - 1).sum() + dayOfMonth
     }
 }

core/domain/src/test/java/com/rtbishop/look4sat/core/domain/DataParserTest.kt

@@ -95,11 +95,11 @@ class DataParserTest {
         assert(dataParser.parseCSVStream(validCSVStream) == dataParser.parseTLEStream(validTLEStream))
     }
 
-    @Test
-    fun `Function isLeapYear returns correct data`() = runTest(testDispatcher) {
-        val years = listOf(1900, 1984, 1994, 2016, 2022, 2024, 2042, 2048)
-        val answers = listOf(false, true, false, true, false, true, false, true)
-        val results = years.map { dataParser.isLeapYear(it) }
-        assert(results == answers)
-    }
+//    @Test
+//    fun `Function isLeapYear returns correct data`() = runTest(testDispatcher) {
+//        val years = listOf(1900, 1984, 1994, 2016, 2022, 2024, 2042, 2048)
+//        val answers = listOf(false, true, false, true, false, true, false, true)
+//        val results = years.map { dataParser.isLeapYear(it) }
+//        assert(results == answers)
+//    }
 }

core/presentation/src/main/res/values-zh/strings.xml

@@ -130,8 +130,16 @@
     <string name="prefs_other_switch_update">启用卫星数据自动更新</string>
     <string name="prefs_other_switch_sweep">启用雷达扫描动画</string>
     <string name="prefs_other_switch_sensors">使用传感器旋转雷达视图</string>
+    <string name="prefs_other_switch_night_mode">启用红色夜间模式</string>
 
     <string name="prefs_outro_title">我要感谢：</string>
+    <string name="prefs_outro_thanks" translatable="false">
+        • Look4Sat 所有用户及贡献者!
+        \n• David A. B. Johnson (predict4java)
+        \n• Dave Moten (predict4java)
+        \n• Alexandru Csete (Gpredict)
+        \n• Dr T.S. Kelso (Celestrak)
+        \n• Libre Space Foundation (SatNOGS)</string>
     <string name="prefs_outro_license">该应用程序不提供任何保修.</string>
 
 </resources>

core/presentation/src/main/res/values/strings.xml

@@ -49,12 +49,10 @@
         \n\nPlease update the database at least weekly to get accurate predictions.</string>
     <string name="pass_whatsnew_title" translatable="false">What\'s new in Look4Sat</string>
     <string name="pass_whatsnew_message" translatable="false">
-        * Added fixes for Turkish translation, by Emre Can Akdaş (TA3ECR)
-        \n* Added passes sticky header with sunrise/sunset times
-        \n* Added current moon/sun positions to the Radar Screen
-        \n* Added current moon/sun positions to the Map Screen
-        \n* Added red night mode filter overlay for the whole app
-
+        * Added fixes for Chinese translation, by Mubi-Baihua (#216)
+        \n* Added zipped data sources handling to DatabaseRepo
+        \n* Tweaked Passes list to show DeepSpace ones at the top
+        \n* Tweaked RadarView to display sun/moon positions correctly
     </string>
 
     <!-- Radar screen -->

fastlane/metadata/android/en-US/changelogs/default.txt

@@ -1,5 +1,4 @@
-* Added fixes for Turkish translation, by Emre Can Akdaş (TA3ECR)
-* Added passes sticky header with sunrise/sunset times
-* Added current moon/sun positions to the Radar Screen
-* Added current moon/sun positions to the Map Screen
-* Added red night mode filter overlay for the whole app
+* Added fixes for Chinese translation, by Mubi-Baihua (#216)
+* Added zipped data sources handling to DatabaseRepo
+* Tweaked Passes list to show DeepSpace ones at the top
+* Tweaked RadarView to display sun/moon positions correctly

fastlane/metadata/android/en-US/whatsnew/whatsnew-en-US

@@ -1,5 +1,4 @@
-* Added fixes for Turkish translation, by Emre Can Akdaş (TA3ECR)
-* Added passes sticky header with sunrise/sunset times
-* Added current moon/sun positions to the Radar Screen
-* Added current moon/sun positions to the Map Screen
-* Added red night mode filter overlay for the whole app
+* Added fixes for Chinese translation, by Mubi-Baihua (#216)
+* Added zipped data sources handling to DatabaseRepo
+* Tweaked Passes list to show DeepSpace ones at the top
+* Tweaked RadarView to display sun/moon positions correctly

feature/passes/src/main/java/com/rtbishop/look4sat/feature/passes/PassesScreen.kt

@@ -29,11 +29,8 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.lazy.grid.GridCells
-import androidx.compose.foundation.lazy.grid.GridItemSpan
-import androidx.compose.foundation.lazy.grid.LazyGridState
 import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
 import androidx.compose.foundation.lazy.grid.items
-import androidx.compose.foundation.lazy.grid.rememberLazyGridState
 import androidx.compose.material3.ElevatedCard
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.HorizontalDivider
@@ -45,8 +42,6 @@ import androidx.compose.material3.pulltorefresh.PullToRefreshBox
 import androidx.compose.material3.pulltorefresh.PullToRefreshDefaults
 import androidx.compose.material3.pulltorefresh.rememberPullToRefreshState
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.derivedStateOf
-import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -125,7 +120,6 @@ private fun PassesScreen(
             onAction(PassesAction.DismissWhatsNew)
         }
     }
-    val gridState = rememberLazyGridState()
     ScreenColumn(
         topBar = { isVerticalLayout ->
             TopBar(
@@ -151,7 +145,6 @@ private fun PassesScreen(
             passes = uiState.itemsList,
             navigateToRadar = navigateToRadar,
             refreshPasses = { onAction(PassesAction.RefreshPasses) },
-            gridState = gridState,
             sunTimes = uiState.sunTimes
         )
     }
@@ -165,7 +158,6 @@ private fun PassesList(
     passes: List<OrbitalPass>,
     navigateToRadar: (Int, Long) -> Unit,
     refreshPasses: () -> Unit,
-    gridState: LazyGridState,
     sunTimes: Map<String, Pair<String, String>>
 ) {
     val isVerticalLayout = isVerticalLayout()
@@ -175,31 +167,15 @@ private fun PassesList(
         SimpleDateFormat("EEE, dd MMM yyyy", Locale.ENGLISH).also { it.timeZone = timeZone }
     }
 
-    // Group passes by calendar day so we know where headers go
+    // Deep Space first, then date-grouped timed passes
     val groupedPasses = remember(passes, isUtc) {
-        passes.filter { !it.isDeepSpace }.groupBy { sdfDate.format(Date(it.aosTime)) } +
-            if (passes.any { it.isDeepSpace }) mapOf("Deep Space" to passes.filter { it.isDeepSpace }) else emptyMap()
-    }
-
-    // Derive the sticky header label from the first visible item index
-    val stickyHeader by remember(gridState, groupedPasses) {
-        derivedStateOf {
-            val firstVisible = gridState.firstVisibleItemIndex
-            var itemIndex = 0
-            var header = groupedPasses.keys.firstOrNull() ?: ""
-            for ((key, items) in groupedPasses) {
-                header = key
-                itemIndex += 1 + items.size
-                if (itemIndex > firstVisible) break
-            }
-            header
-        }
-    }
-
-    // The sticky overlay should only show when the first in-list header has scrolled out of view.
-    // firstVisibleItemIndex == 0 means the first header is still visible — hide the overlay.
-    val showStickyOverlay by remember(gridState) {
-        derivedStateOf { gridState.firstVisibleItemIndex > 0 || gridState.firstVisibleItemScrollOffset > 0 }
+        val ordered = LinkedHashMap<String, List<OrbitalPass>>()
+        val deepSpace = passes.filter { it.isDeepSpace }
+        if (deepSpace.isNotEmpty()) ordered["Deep Space"] = deepSpace
+        passes.filter { !it.isDeepSpace }
+            .groupByTo(LinkedHashMap()) { sdfDate.format(Date(it.aosTime)) }
+            .forEach { (k, v) -> ordered[k] = v }
+        ordered
     }
 
     ElevatedCard(modifier = Modifier.fillMaxSize()) {
@@ -220,20 +196,9 @@ private fun PassesList(
             if (passes.isEmpty()) {
                 EmptyListCard(message = stringResource(R.string.pass_empty_list_message))
             } else {
-                Column {
-                    // Sticky header overlay — only visible once the in-list header scrolls away
-                    if (showStickyOverlay) {
-                        val (rise, set) = sunTimes[stickyHeader] ?: ("--:--" to "--:--")
-                        StickyDateHeader(label = stickyHeader, sunriseTime = rise, sunsetTime = set)
-                    }
-                    LazyVerticalGrid(
-                        state = gridState,
-                        columns = GridCells.Adaptive(320.dp),
-                        modifier = Modifier.fillMaxSize()
-                    ) {
+                LazyVerticalGrid(columns = GridCells.Adaptive(320.dp), modifier = Modifier.fillMaxSize()) {
                     for ((dateLabel, dayPasses) in groupedPasses) {
-                            // In-list section header (scrolls away, drives the sticky overlay)
-                            item(span = { GridItemSpan(maxLineSpan) }) {
+                        stickyHeader(key = "header_$dateLabel") {
                             val (rise, set) = sunTimes[dateLabel] ?: ("--:--" to "--:--")
                             StickyDateHeader(label = dateLabel, sunriseTime = rise, sunsetTime = set)
                         }
@@ -251,7 +216,6 @@ private fun PassesList(
             }
         }
     }
-    }
 }
 
 @Composable

feature/passes/src/main/java/com/rtbishop/look4sat/feature/passes/PassesViewModel.kt

@@ -124,13 +124,20 @@ class PassesViewModel(
         }
     }
 
-    /** Computes sunrise/sunset strings for each unique calendar day in the pass list. */
+    // Computes sunrise/sunset strings for each unique calendar day in the pass list, plus today for Deep Space
     private fun computeSunTimes(passes: List<OrbitalPass>, isUtc: Boolean): Map<String, Pair<String, String>> {
         val stationPos = settingsRepo.stationPosition.value
         val tz = if (isUtc) TimeZone.getTimeZone("UTC") else TimeZone.getDefault()
         val sdfDate = SimpleDateFormat("EEE, dd MMM yyyy", Locale.ENGLISH).also { it.timeZone = tz }
         val sdfTime = SimpleDateFormat("HH:mm", Locale.ENGLISH).also { it.timeZone = tz }
         val result = LinkedHashMap<String, Pair<String, String>>()
+        // Deep Space group always shows today's sun times
+        if (passes.any { it.isDeepSpace }) {
+            val riseSet = CelestialComputer.findSunRiseSet(stationPos, System.currentTimeMillis())
+            val rise = if (riseSet.riseTimeMillis > 0) sdfTime.format(Date(riseSet.riseTimeMillis)) else "--:--"
+            val set = if (riseSet.setTimeMillis > 0) sdfTime.format(Date(riseSet.setTimeMillis)) else "--:--"
+            result["Deep Space"] = rise to set
+        }
         for (pass in passes) {
             if (pass.isDeepSpace) continue
             val label = sdfDate.format(Date(pass.aosTime))

gradle/libs.versions.toml

@@ -1,8 +1,8 @@
 [versions]
 #noinspection UnusedVersionCatalogEntry
-appVersionCode = "430"
+appVersionCode = "431"
 #noinspection UnusedVersionCatalogEntry
-appVersionName = "4.3.0"
+appVersionName = "4.3.1"
 #noinspection GradleDependency,UnusedVersionCatalogEntry
 compileSdk = "36"
 #noinspection UnusedVersionCatalogEntry