Moved and renamed several classes

app/build.gradle

@@ -24,8 +24,12 @@ android {
         }
     }
 
+//    def props = new Properties()
+//    file("../securityKeys.properties").withInputStream { props.load(it) }
+
     buildTypes {
         release {
+//            buildConfigField "String", "ApiKey", props.getProperty("apiKey")
 //            minifyEnabled true
 //            shrinkResources true
 //            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'

app/src/main/java/com/rtbishop/look4sat/framework/DataMapper.kt

@@ -15,18 +15,18 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat.utility
+package com.rtbishop.look4sat.framework
 
 import com.rtbishop.look4sat.framework.model.SatEntry
 import com.rtbishop.look4sat.framework.model.SatItem
 import com.rtbishop.look4sat.framework.model.Transmitter
-import com.rtbishop.look4sat.data.SatEntry as DomainEntry
+import com.rtbishop.look4sat.model.SatEntry as DomainEntry
-import com.rtbishop.look4sat.data.SatItem as DomainItem
+import com.rtbishop.look4sat.model.SatItem as DomainItem
-import com.rtbishop.look4sat.domain.Transmitter as DomainTrans
+import com.rtbishop.look4sat.model.Transmitter as DomainTrans
 
 object DataMapper {
 
-    // Framework to Domain
+    // Presentation to Domain
 
     fun satEntryToDomainEntry(entry: SatEntry): DomainEntry {
         return DomainEntry(entry.tle, entry.catNum, entry.name, entry.isSelected)
@@ -55,7 +55,7 @@ object DataMapper {
         return transmitters.map { transmitter -> satTransToDomainTrans(transmitter) }
     }
 
-    // Domain to Framework
+    // Domain to Presentation
 
     fun domainEntryToSatEntry(entry: DomainEntry): SatEntry {
         return SatEntry(entry.tle, entry.catNum, entry.name, entry.isSelected)

app/src/main/java/com/rtbishop/look4sat/framework/PreferencesSource.kt

@@ -21,8 +21,8 @@ import android.content.SharedPreferences
 import android.hardware.GeomagneticField
 import android.location.LocationManager
 import androidx.core.content.edit
-import com.rtbishop.look4sat.data.Preferences
+import com.rtbishop.look4sat.common.Constants
-import com.rtbishop.look4sat.domain.GeoPos
+import com.rtbishop.look4sat.predict4kotlin.GeoPos
 import com.rtbishop.look4sat.domain.QthConverter
 import com.rtbishop.look4sat.utility.round
 import com.squareup.moshi.Moshi
@@ -33,12 +33,12 @@ class PreferencesSource @Inject constructor(
     moshi: Moshi,
     private val locationManager: LocationManager,
     private val preferences: SharedPreferences
-) : Preferences {
+) {
 
     private val sourcesType = Types.newParameterizedType(List::class.java, String::class.java)
     private val sourcesAdapter = moshi.adapter<List<String>>(sourcesType)
 
-    override fun loadTleSources(): List<String> {
+    fun loadTleSources(): List<String> {
         return try {
             val sourcesString = preferences.getString(keySources, String())
             if (sourcesString.isNullOrEmpty()) {
@@ -51,17 +51,15 @@ class PreferencesSource @Inject constructor(
         }
     }
 
-    override fun saveTleSources(sources: List<String>) {
+    fun saveTleSources(sources: List<String>) {
         val sourcesJson = sourcesAdapter.toJson(sources)
         preferences.edit { putString(keySources, sourcesJson) }
     }
 
-    override fun loadDefaultSources(): List<String> {
+    fun loadDefaultSources(): List<String> {
         return listOf(
-            "https://celestrak.com/NORAD/elements/active.txt",
+            Constants.URL_CELESTRAK, Constants.URL_AMSAT,
-            "https://amsat.org/tle/current/nasabare.txt",
+            Constants.URL_PRISM_CLASSFD, Constants.URL_PRISM_INTEL
-            "https://www.prismnet.com/~mmccants/tles/classfd.zip",
-            "https://www.prismnet.com/~mmccants/tles/inttles.zip"
         )
     }
 
@@ -85,11 +83,11 @@ class PreferencesSource @Inject constructor(
         const val keyPositionQTH = "setPositionQTH"
     }
 
-    override fun positionToQTH(lat: Double, lon: Double): String? {
+    fun positionToQTH(lat: Double, lon: Double): String? {
         return QthConverter.positionToQTH(lat, lon)
     }
 
-    override fun loadStationPosition(): GeoPos {
+    fun loadStationPosition(): GeoPos {
         val defaultSP = "0.0"
         val latitude = preferences.getString(keyLatitude, null) ?: defaultSP
         val longitude = preferences.getString(keyLongitude, null) ?: defaultSP
@@ -97,7 +95,7 @@ class PreferencesSource @Inject constructor(
         return GeoPos(latitude.toDouble(), longitude.toDouble(), altitude.toDouble())
     }
 
-    override fun saveStationPosition(pos: GeoPos) {
+    fun saveStationPosition(pos: GeoPos) {
         preferences.edit {
             putString(keyLatitude, pos.latitude.toString())
             putString(keyLongitude, pos.longitude.toString())
@@ -105,7 +103,7 @@ class PreferencesSource @Inject constructor(
         }
     }
 
-    override fun updatePositionFromGPS(): Boolean {
+    fun updatePositionFromGPS(): Boolean {
         return try {
             val location = locationManager.getLastKnownLocation(LocationManager.PASSIVE_PROVIDER)
             if (location == null) false
@@ -122,14 +120,14 @@ class PreferencesSource @Inject constructor(
         }
     }
 
-    override fun updatePositionFromQTH(qthString: String): Boolean {
+    fun updatePositionFromQTH(qthString: String): Boolean {
         val position = QthConverter.qthToPosition(qthString) ?: return false
         val stationPosition = GeoPos(position.latitude, position.longitude, 0.0)
         saveStationPosition(stationPosition)
         return true
     }
 
-    override fun getMagDeclination(): Float {
+    fun getMagDeclination(): Float {
         val stationPosition = loadStationPosition()
         val lat = stationPosition.latitude.toFloat()
         val lon = stationPosition.longitude.toFloat()
@@ -137,56 +135,60 @@ class PreferencesSource @Inject constructor(
         return GeomagneticField(lat, lon, alt, System.currentTimeMillis()).declination
     }
 
-    override fun getHoursAhead(): Int {
+    fun getHoursAhead(): Int {
         return preferences.getInt(keyHoursAhead, 8)
     }
 
-    override fun getMinElevation(): Double {
+    fun getMinElevation(): Double {
         return preferences.getInt(keyMinElevation, 16).toDouble()
     }
 
-    override fun shouldUseTextLabels(): Boolean {
+    fun shouldUseTextLabels(): Boolean {
         return preferences.getBoolean(keyTextLabels, false)
     }
 
-    override fun shouldUseUTC(): Boolean {
+    fun shouldUseUTC(): Boolean {
         return preferences.getBoolean(keyTimeUTC, false)
     }
 
-    override fun shouldUseCompass(): Boolean {
+    fun shouldUseCompass(): Boolean {
         return preferences.getBoolean(keyCompass, true)
     }
 
-    override fun shouldShowSweep(): Boolean {
+    fun shouldShowSweep(): Boolean {
         return preferences.getBoolean(keyRadarSweep, true)
     }
 
-    override fun isSetupDone(): Boolean {
+    fun isSetupDone(): Boolean {
         return preferences.getBoolean(keyInitialSetup, false)
     }
 
-    override fun setSetupDone() {
+    fun setSetupDone() {
         preferences.edit { putBoolean(keyInitialSetup, true) }
     }
 
-    override fun saveModesSelection(modes: List<String>) {
+    fun saveModesSelection(modes: List<String>) {
         val modesSet = modes.toSet()
         preferences.edit {
             putStringSet(keyModes, modesSet)
         }
     }
 
-    override fun loadModesSelection(): List<String> {
+    fun loadModesSelection(): List<String> {
         preferences.getStringSet(keyModes, setOf())?.let { modesSet ->
             return modesSet.toList().sorted()
         }
         return emptyList()
     }
 
-    override fun getRotatorServer(): Pair<String, Int>? {
+    fun isRotatorEnabled(): Boolean {
-        return if (preferences.getBoolean(keyRotator, false)) {
+        return preferences.getBoolean(keyRotator, false)
+    }
+
+    fun getRotatorServer(): Pair<String, Int>? {
+        return if (isRotatorEnabled()) {
             val address = preferences.getString(keyRotatorAddress, null) ?: "127.0.0.1"
-            val port = preferences.getString(keyRotatorPort, null) ?: "4096"
+            val port = preferences.getString(keyRotatorPort, null) ?: "4533"
             Pair(address, port.toInt())
         } else null
     }

app/src/main/java/com/rtbishop/look4sat/framework/local/Converters.kt

@@ -15,15 +15,15 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat.framework.db
+package com.rtbishop.look4sat.framework.local
 
 import androidx.room.TypeConverter
-import com.rtbishop.look4sat.domain.Satellite
+import com.rtbishop.look4sat.predict4kotlin.Satellite
-import com.rtbishop.look4sat.domain.TLE
+import com.rtbishop.look4sat.predict4kotlin.TLE
 import com.squareup.moshi.JsonAdapter
 import com.squareup.moshi.Moshi
 
-object RoomConverters {
+object Converters {
 
     private lateinit var paramsAdapter: JsonAdapter<TLE>
 

app/src/main/java/com/rtbishop/look4sat/framework/local/LocalSource.kt

@@ -15,18 +15,18 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat.framework.db
+package com.rtbishop.look4sat.framework.local
 
-import com.rtbishop.look4sat.data.LocalSource
+import com.rtbishop.look4sat.data.LocalDataSource
-import com.rtbishop.look4sat.data.SatEntry
+import com.rtbishop.look4sat.model.SatEntry
-import com.rtbishop.look4sat.data.SatItem
+import com.rtbishop.look4sat.model.SatItem
-import com.rtbishop.look4sat.domain.Satellite
+import com.rtbishop.look4sat.predict4kotlin.Satellite
-import com.rtbishop.look4sat.domain.Transmitter
+import com.rtbishop.look4sat.model.Transmitter
-import com.rtbishop.look4sat.utility.DataMapper
+import com.rtbishop.look4sat.framework.DataMapper
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.map
 
-class LocalDataSource(private val satelliteDao: SatelliteDao) : LocalSource {
+class LocalSource(private val satelliteDao: SatelliteDao) : LocalDataSource {
 
     override fun getEntriesWithModes(): Flow<List<SatItem>> {
         return satelliteDao.getSatItems()

app/src/main/java/com/rtbishop/look4sat/framework/local/SatelliteDao.kt

@@ -15,13 +15,13 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat.framework.db
+package com.rtbishop.look4sat.framework.local
 
 import androidx.room.*
 import com.rtbishop.look4sat.framework.model.SatEntry
 import com.rtbishop.look4sat.framework.model.SatItem
 import com.rtbishop.look4sat.framework.model.Transmitter
-import com.rtbishop.look4sat.domain.Satellite
+import com.rtbishop.look4sat.predict4kotlin.Satellite
 import kotlinx.coroutines.flow.Flow
 
 @Dao

app/src/main/java/com/rtbishop/look4sat/framework/local/SatelliteDb.kt

@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat.framework.db
+package com.rtbishop.look4sat.framework.local
 
 import androidx.room.Database
 import androidx.room.RoomDatabase
@@ -26,7 +26,7 @@ import com.rtbishop.look4sat.framework.model.SatEntry
 import com.rtbishop.look4sat.framework.model.Transmitter
 
 @Database(entities = [SatEntry::class, Transmitter::class], version = 2, exportSchema = true)
-@TypeConverters(RoomConverters::class)
+@TypeConverters(Converters::class)
 abstract class SatelliteDb : RoomDatabase() {
 
     abstract fun satelliteDao(): SatelliteDao

app/src/main/java/com/rtbishop/look4sat/framework/model/OMM.kt

@@ -1,33 +0,0 @@
-/*
- * Look4Sat. Amateur radio satellite tracker and pass predictor.
- * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-package com.rtbishop.look4sat.framework.model
-
-import com.squareup.moshi.Json
-
-data class OMM(
-    @field:Json(name = "OBJECT_NAME") val name: String,
-    @field:Json(name = "EPOCH") val epochString: String,
-    @field:Json(name = "MEAN_MOTION") val meanmo: Double,
-    @field:Json(name = "ECCENTRICITY") val eccn: Double,
-    @field:Json(name = "INCLINATION") val incl: Double,
-    @field:Json(name = "RA_OF_ASC_NODE") val raan: Double,
-    @field:Json(name = "ARG_OF_PERICENTER") val argper: Double,
-    @field:Json(name = "MEAN_ANOMALY") val meanan: Double,
-    @field:Json(name = "NORAD_CAT_ID") val catnum: Int,
-    @field:Json(name = "BSTAR") val bstar: Double,
-)

app/src/main/java/com/rtbishop/look4sat/framework/model/SatEntry.kt

@@ -19,7 +19,7 @@ package com.rtbishop.look4sat.framework.model
 
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import com.rtbishop.look4sat.domain.TLE
+import com.rtbishop.look4sat.predict4kotlin.TLE
 
 @Entity(tableName = "entries")
 data class SatEntry(

app/src/main/java/com/rtbishop/look4sat/framework/remote/RemoteSource.kt

@@ -15,14 +15,14 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat.framework.api
+package com.rtbishop.look4sat.framework.remote
 
-import com.rtbishop.look4sat.data.RemoteSource
+import com.rtbishop.look4sat.data.RemoteDataSource
-import com.rtbishop.look4sat.domain.Transmitter
+import com.rtbishop.look4sat.model.Transmitter
-import com.rtbishop.look4sat.utility.DataMapper
+import com.rtbishop.look4sat.framework.DataMapper
 import java.io.InputStream
 
-class RemoteDataSource(private val satelliteApi: SatelliteApi) : RemoteSource {
+class RemoteSource(private val satelliteApi: SatelliteApi) : RemoteDataSource {
 
     override suspend fun fetchFileStream(url: String): InputStream? {
         return satelliteApi.fetchFileStream(url).body()?.byteStream()

app/src/main/java/com/rtbishop/look4sat/framework/remote/SatelliteApi.kt

@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat.framework.api
+package com.rtbishop.look4sat.framework.remote
 
 import com.rtbishop.look4sat.framework.model.Transmitter
 import okhttp3.ResponseBody

app/src/main/java/com/rtbishop/look4sat/injection/Look4SatModule.kt

@@ -21,16 +21,17 @@ import android.content.Context
 import android.content.SharedPreferences
 import android.location.LocationManager
 import androidx.room.Room
-import com.rtbishop.look4sat.data.LocalSource
+import com.rtbishop.look4sat.data.LocalDataSource
-import com.rtbishop.look4sat.data.Preferences
+import com.rtbishop.look4sat.data.RemoteDataSource
-import com.rtbishop.look4sat.data.RemoteSource
+import com.rtbishop.look4sat.data.DataRepository
-import com.rtbishop.look4sat.data.SatelliteRepo
+import com.rtbishop.look4sat.framework.remote.SatelliteApi
-import com.rtbishop.look4sat.domain.PassReporter
+import com.rtbishop.look4sat.common.Constants
-import com.rtbishop.look4sat.domain.Predictor
+import com.rtbishop.look4sat.domain.Repository
 import com.rtbishop.look4sat.framework.PreferencesSource
-import com.rtbishop.look4sat.framework.api.RemoteDataSource
+import com.rtbishop.look4sat.domain.DataReporter
-import com.rtbishop.look4sat.framework.api.SatelliteApi
+import com.rtbishop.look4sat.predict4kotlin.Predictor
-import com.rtbishop.look4sat.framework.db.*
+import com.rtbishop.look4sat.framework.remote.RemoteSource
+import com.rtbishop.look4sat.framework.local.*
 import com.squareup.moshi.Moshi
 import dagger.Module
 import dagger.Provides
@@ -44,7 +45,7 @@ import javax.inject.Singleton
 
 @Module
 @InstallIn(SingletonComponent::class)
-object DataModule {
+object Look4SatModule {
 
     @Provides
     @Singleton
@@ -58,7 +59,7 @@ object DataModule {
         moshi: Moshi,
         locationManager: LocationManager,
         preferences: SharedPreferences
-    ): Preferences {
+    ): PreferencesSource {
         return PreferencesSource(moshi, locationManager, preferences)
     }
 
@@ -71,17 +72,16 @@ object DataModule {
     @Provides
     @Singleton
     fun provideSatelliteRepo(
-        preferences: Preferences,
+        localSource: LocalDataSource,
-        localSource: LocalSource,
+        remoteSource: RemoteDataSource,
-        remoteSource: RemoteSource,
         @IoDispatcher dispatcher: CoroutineDispatcher
-    ): SatelliteRepo {
+    ): Repository {
-        return SatelliteRepo(preferences, localSource, remoteSource, dispatcher)
+        return DataRepository(localSource, remoteSource, dispatcher)
     }
 
     @Provides
-    fun provideLocalDataSource(satelliteDao: SatelliteDao): LocalSource {
+    fun provideLocalDataSource(satelliteDao: SatelliteDao): LocalDataSource {
-        return LocalDataSource(satelliteDao)
+        return LocalSource(satelliteDao)
     }
 
     @Provides
@@ -93,29 +93,29 @@ object DataModule {
     @Provides
     @Singleton
     fun provideSatelliteDb(@ApplicationContext context: Context, moshi: Moshi): SatelliteDb {
-        RoomConverters.initialize(moshi)
+        Converters.initialize(moshi)
         return Room.databaseBuilder(context, SatelliteDb::class.java, "SatelliteDb")
             .addMigrations(MIGRATION_1_2).build()
     }
 
     @Provides
     @Singleton
-    fun provideRemoteDataSource(satelliteApi: SatelliteApi): RemoteSource {
+    fun provideRemoteDataSource(satelliteApi: SatelliteApi): RemoteDataSource {
-        return RemoteDataSource(satelliteApi)
+        return RemoteSource(satelliteApi)
     }
 
     @Provides
     @Singleton
     fun provideSatelliteService(): SatelliteApi {
         return Retrofit.Builder()
-            .baseUrl("https://db.satnogs.org/api/")
+            .baseUrl(Constants.URL_BASE)
             .addConverterFactory(MoshiConverterFactory.create())
             .build().create(SatelliteApi::class.java)
     }
 
     @Provides
     @Singleton
-    fun provideDataReporter(@IoDispatcher dispatcher: CoroutineDispatcher): PassReporter {
+    fun provideDataReporter(@IoDispatcher dispatcher: CoroutineDispatcher): DataReporter {
-        return PassReporter(dispatcher)
+        return DataReporter(dispatcher)
     }
 }

app/src/main/java/com/rtbishop/look4sat/presentation/ItemDivider.kt

@@ -15,13 +15,13 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat.utility
+package com.rtbishop.look4sat.presentation
 
 import android.graphics.Canvas
 import androidx.core.content.ContextCompat
 import androidx.recyclerview.widget.RecyclerView
 
-class RecyclerDivider(private val resId: Int) : RecyclerView.ItemDecoration() {
+class ItemDivider(private val resId: Int) : RecyclerView.ItemDecoration() {
 
     override fun onDrawOver(canvas: Canvas, parent: RecyclerView) {
         ContextCompat.getDrawable(parent.context, resId)?.let { drawable ->

app/src/main/java/com/rtbishop/look4sat/presentation/entriesScreen/EntriesAdapter.kt

@@ -22,10 +22,11 @@ import android.view.ViewGroup
 import androidx.recyclerview.widget.AsyncListDiffer
 import androidx.recyclerview.widget.DiffUtil
 import androidx.recyclerview.widget.RecyclerView
-import com.rtbishop.look4sat.data.SatItem
+import com.rtbishop.look4sat.model.SatItem
 import com.rtbishop.look4sat.databinding.ItemEntryBinding
 
-class EntriesAdapter : RecyclerView.Adapter<EntriesAdapter.SatItemHolder>() {
+class EntriesAdapter(private val clickListener: EntriesClickListener) :
+    RecyclerView.Adapter<EntriesAdapter.SatItemHolder>() {
 
     private val diffCallback = object : DiffUtil.ItemCallback<SatItem>() {
         override fun areItemsTheSame(oldItem: SatItem, newItem: SatItem): Boolean {
@@ -37,15 +38,6 @@ class EntriesAdapter : RecyclerView.Adapter<EntriesAdapter.SatItemHolder>() {
         }
     }
     private val differ = AsyncListDiffer(this, diffCallback)
-    private lateinit var clickListener: EntriesClickListener
-
-    interface EntriesClickListener {
-        fun updateSelection(catNums: List<Int>, isSelected: Boolean)
-    }
-
-    fun setEntriesClickListener(listener: EntriesClickListener) {
-        clickListener = listener
-    }
 
     fun submitList(items: List<SatItem>) {
         differ.submitList(items)
@@ -79,4 +71,8 @@ class EntriesAdapter : RecyclerView.Adapter<EntriesAdapter.SatItemHolder>() {
             }
         }
     }
+
+    interface EntriesClickListener {
+        fun updateSelection(catNums: List<Int>, isSelected: Boolean)
+    }
 }

app/src/main/java/com/rtbishop/look4sat/presentation/entriesScreen/EntriesFragment.kt

@@ -27,10 +27,10 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.SimpleItemAnimator
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.rtbishop.look4sat.R
-import com.rtbishop.look4sat.data.SatItem
+import com.rtbishop.look4sat.model.SatItem
 import com.rtbishop.look4sat.databinding.FragmentEntriesBinding
-import com.rtbishop.look4sat.framework.model.DataState
+import com.rtbishop.look4sat.common.DataState
-import com.rtbishop.look4sat.utility.RecyclerDivider
+import com.rtbishop.look4sat.presentation.ItemDivider
 import com.rtbishop.look4sat.utility.getNavResult
 import com.rtbishop.look4sat.utility.navigateSafe
 import com.rtbishop.look4sat.utility.showSnack
@@ -51,16 +51,18 @@ class EntriesFragment : Fragment(R.layout.fragment_entries) {
     }
 
     private fun setupComponents(view: View) {
-        val entriesAdapter = EntriesAdapter().apply {
+        val entriesAdapter = EntriesAdapter(object: EntriesAdapter.EntriesClickListener {
-            setEntriesClickListener(viewModel)
+            override fun updateSelection(catNums: List<Int>, isSelected: Boolean) {
-        }
+                viewModel.updateSelection(catNums, isSelected)
+            }
+        })
         val binding = FragmentEntriesBinding.bind(view).apply {
             entriesRecycler.apply {
                 setHasFixedSize(true)
                 adapter = entriesAdapter
                 layoutManager = LinearLayoutManager(requireContext())
                 (itemAnimator as SimpleItemAnimator).supportsChangeAnimations = false
-                addItemDecoration(RecyclerDivider(R.drawable.rec_divider_light))
+                addItemDecoration(ItemDivider(R.drawable.rec_divider_light))
             }
             entriesImportWeb.setOnClickListener {
                 findNavController().navigateSafe(R.id.action_entries_to_sources)
@@ -98,6 +100,8 @@ class EntriesFragment : Fragment(R.layout.fragment_entries) {
                 binding.entriesRecycler.visibility = View.VISIBLE
                 requireView().showSnack(getString(R.string.entries_update_error))
             }
+            else -> {
+            }
         }
     }
 

app/src/main/java/com/rtbishop/look4sat/presentation/entriesScreen/EntriesViewModel.kt

@@ -21,10 +21,10 @@ import android.content.ContentResolver
 import android.net.Uri
 import android.widget.SearchView
 import androidx.lifecycle.*
-import com.rtbishop.look4sat.data.Preferences
+import com.rtbishop.look4sat.model.SatItem
-import com.rtbishop.look4sat.data.SatelliteRepo
+import com.rtbishop.look4sat.common.DataState
-import com.rtbishop.look4sat.data.SatItem
+import com.rtbishop.look4sat.domain.Repository
-import com.rtbishop.look4sat.framework.model.DataState
+import com.rtbishop.look4sat.framework.PreferencesSource
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.CoroutineExceptionHandler
 import kotlinx.coroutines.flow.collect
@@ -35,16 +35,16 @@ import javax.inject.Inject
 
 @HiltViewModel
 class EntriesViewModel @Inject constructor(
-    private val preferences: Preferences,
+    private val preferences: PreferencesSource,
     private val resolver: ContentResolver,
-    private val satelliteRepo: SatelliteRepo,
+    private val satelliteRepo: Repository,
-) : ViewModel(), EntriesAdapter.EntriesClickListener, SearchView.OnQueryTextListener {
+) : ViewModel(), SearchView.OnQueryTextListener {
 
     private val coroutineHandler = CoroutineExceptionHandler { _, throwable ->
         Timber.d(throwable)
         _satData.value = DataState.Error(throwable)
     }
-    private val transModes = MutableLiveData(satelliteRepo.loadSelectedModes())
+    private val transModes = MutableLiveData(preferences.loadModesSelection())
     private val currentQuery = MutableLiveData(String())
     private val itemsWithModes = transModes.switchMap { modes ->
         liveData { satelliteRepo.getSatItems().collect { emit(filterByModes(it, modes)) } }
@@ -86,12 +86,12 @@ class EntriesViewModel @Inject constructor(
     }
 
     fun loadSelectedModes(): List<String> {
-        return satelliteRepo.loadSelectedModes()
+        return preferences.loadModesSelection()
     }
 
     fun saveSelectedModes(modes: List<String>) {
         transModes.value = modes
-        satelliteRepo.saveSelectedModes(modes)
+        preferences.saveModesSelection(modes)
     }
 
     override fun onQueryTextSubmit(query: String): Boolean {
@@ -103,7 +103,7 @@ class EntriesViewModel @Inject constructor(
         return true
     }
 
-    override fun updateSelection(catNums: List<Int>, isSelected: Boolean) {
+    fun updateSelection(catNums: List<Int>, isSelected: Boolean) {
         viewModelScope.launch { satelliteRepo.updateEntriesSelection(catNums, isSelected) }
     }
 

app/src/main/java/com/rtbishop/look4sat/presentation/mapScreen/MapData.kt

@@ -17,8 +17,8 @@
  */
 package com.rtbishop.look4sat.presentation.mapScreen
 
-import com.rtbishop.look4sat.domain.GeoPos
+import com.rtbishop.look4sat.predict4kotlin.GeoPos
-import com.rtbishop.look4sat.domain.Satellite
+import com.rtbishop.look4sat.predict4kotlin.Satellite
 
 data class MapData(
     val pass: Satellite,

app/src/main/java/com/rtbishop/look4sat/presentation/mapScreen/MapFragment.kt

@@ -29,8 +29,8 @@ import androidx.fragment.app.Fragment
 import androidx.fragment.app.viewModels
 import com.rtbishop.look4sat.R
 import com.rtbishop.look4sat.databinding.FragmentMapBinding
-import com.rtbishop.look4sat.domain.GeoPos
+import com.rtbishop.look4sat.predict4kotlin.GeoPos
-import com.rtbishop.look4sat.domain.Satellite
+import com.rtbishop.look4sat.predict4kotlin.Satellite
 import dagger.hilt.android.AndroidEntryPoint
 import org.osmdroid.config.Configuration
 import org.osmdroid.tileprovider.tilesource.TileSourceFactory

app/src/main/java/com/rtbishop/look4sat/presentation/mapScreen/MapViewModel.kt

@@ -18,10 +18,12 @@
 package com.rtbishop.look4sat.presentation.mapScreen
 
 import androidx.lifecycle.*
-import com.rtbishop.look4sat.domain.Predictor
+import com.rtbishop.look4sat.predict4kotlin.Predictor
-import com.rtbishop.look4sat.data.Preferences
+import com.rtbishop.look4sat.domain.Repository
-import com.rtbishop.look4sat.data.SatelliteRepo
+import com.rtbishop.look4sat.framework.PreferencesSource
-import com.rtbishop.look4sat.domain.*
+import com.rtbishop.look4sat.predict4kotlin.GeoPos
+import com.rtbishop.look4sat.domain.QthConverter
+import com.rtbishop.look4sat.predict4kotlin.Satellite
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.*
 import java.util.*
@@ -31,9 +33,9 @@ import kotlin.math.min
 
 @HiltViewModel
 class MapViewModel @Inject constructor(
-    private val satelliteRepo: SatelliteRepo,
+    private val satelliteRepo: Repository,
     private val predictor: Predictor,
-    private val preferences: Preferences,
+    private val preferences: PreferencesSource,
 ) : ViewModel() {
 
     private val stationPos = preferences.loadStationPosition()

app/src/main/java/com/rtbishop/look4sat/presentation/passesScreen/PassesAdapter.kt

@@ -25,7 +25,7 @@ import androidx.recyclerview.widget.RecyclerView
 import com.rtbishop.look4sat.R
 import com.rtbishop.look4sat.databinding.ItemPassGeoBinding
 import com.rtbishop.look4sat.databinding.ItemPassLeoBinding
-import com.rtbishop.look4sat.domain.SatPass
+import com.rtbishop.look4sat.predict4kotlin.SatPass
 import java.text.SimpleDateFormat
 import java.util.*
 

app/src/main/java/com/rtbishop/look4sat/presentation/passesScreen/PassesFragment.kt

@@ -29,9 +29,9 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.SimpleItemAnimator
 import com.rtbishop.look4sat.R
 import com.rtbishop.look4sat.databinding.FragmentPassesBinding
-import com.rtbishop.look4sat.domain.SatPass
+import com.rtbishop.look4sat.predict4kotlin.SatPass
-import com.rtbishop.look4sat.framework.model.DataState
+import com.rtbishop.look4sat.common.DataState
-import com.rtbishop.look4sat.utility.RecyclerDivider
+import com.rtbishop.look4sat.presentation.ItemDivider
 import com.rtbishop.look4sat.utility.navigateSafe
 import com.rtbishop.look4sat.utility.toTimerString
 import dagger.hilt.android.AndroidEntryPoint
@@ -60,7 +60,7 @@ class PassesFragment : Fragment(R.layout.fragment_passes), PassesAdapter.PassesC
                 isVerticalScrollBarEnabled = false
                 layoutManager = LinearLayoutManager(context)
                 (itemAnimator as SimpleItemAnimator).supportsChangeAnimations = false
-                addItemDecoration(RecyclerDivider(R.drawable.rec_divider_dark))
+                addItemDecoration(ItemDivider(R.drawable.rec_divider_dark))
             }
             passesRefresh.setOnClickListener { passesViewModel.forceCalculation() }
         }

app/src/main/java/com/rtbishop/look4sat/presentation/passesScreen/PassesViewModel.kt

@@ -21,11 +21,11 @@ import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
-import com.rtbishop.look4sat.data.Preferences
+import com.rtbishop.look4sat.predict4kotlin.Predictor
-import com.rtbishop.look4sat.data.SatelliteRepo
+import com.rtbishop.look4sat.predict4kotlin.SatPass
-import com.rtbishop.look4sat.domain.Predictor
+import com.rtbishop.look4sat.common.DataState
-import com.rtbishop.look4sat.domain.SatPass
+import com.rtbishop.look4sat.domain.Repository
-import com.rtbishop.look4sat.framework.model.DataState
+import com.rtbishop.look4sat.framework.PreferencesSource
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.*
 import kotlinx.coroutines.flow.collect
@@ -34,9 +34,9 @@ import javax.inject.Inject
 
 @HiltViewModel
 class PassesViewModel @Inject constructor(
-    private val satelliteRepo: SatelliteRepo,
+    private val satelliteRepo: Repository,
     private val predictor: Predictor,
-    private val preferences: Preferences
+    private val preferences: PreferencesSource
 ) : ViewModel() {
 
     private val _passes = MutableLiveData<DataState<List<SatPass>>>(DataState.Loading)

app/src/main/java/com/rtbishop/look4sat/presentation/radarScreen/RadarData.kt

@@ -1,5 +1,22 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
 package com.rtbishop.look4sat.presentation.radarScreen
 
-import com.rtbishop.look4sat.domain.SatPos
+import com.rtbishop.look4sat.predict4kotlin.SatPos
 
 data class RadarData(val satPos: SatPos, val satTrack: List<SatPos> = emptyList())

app/src/main/java/com/rtbishop/look4sat/presentation/radarScreen/RadarFragment.kt

@@ -25,11 +25,11 @@ import androidx.navigation.fragment.findNavController
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.SimpleItemAnimator
 import com.rtbishop.look4sat.R
-import com.rtbishop.look4sat.data.Preferences
 import com.rtbishop.look4sat.databinding.FragmentRadarBinding
-import com.rtbishop.look4sat.domain.SatPass
+import com.rtbishop.look4sat.framework.PreferencesSource
-import com.rtbishop.look4sat.domain.SatPos
+import com.rtbishop.look4sat.predict4kotlin.SatPass
-import com.rtbishop.look4sat.utility.RecyclerDivider
+import com.rtbishop.look4sat.predict4kotlin.SatPos
+import com.rtbishop.look4sat.presentation.ItemDivider
 import com.rtbishop.look4sat.utility.navigateSafe
 import com.rtbishop.look4sat.utility.toTimerString
 import dagger.hilt.android.AndroidEntryPoint
@@ -39,7 +39,7 @@ import javax.inject.Inject
 class RadarFragment : Fragment(R.layout.fragment_radar) {
 
     @Inject
-    lateinit var preferences: Preferences
+    lateinit var preferences: PreferencesSource
     private val viewModel: RadarViewModel by viewModels()
     private var radarView: RadarView? = null
 
@@ -53,7 +53,7 @@ class RadarFragment : Fragment(R.layout.fragment_radar) {
                 isVerticalScrollBarEnabled = false
                 layoutManager = LinearLayoutManager(context)
                 (itemAnimator as SimpleItemAnimator).supportsChangeAnimations = false
-                addItemDecoration(RecyclerDivider(R.drawable.rec_divider_dark))
+                addItemDecoration(ItemDivider(R.drawable.rec_divider_dark))
             }
             setupObservers(transAdapter, this)
         }

app/src/main/java/com/rtbishop/look4sat/presentation/radarScreen/RadarView.kt

@@ -22,7 +22,7 @@ import android.graphics.*
 import android.view.View
 import androidx.core.content.ContextCompat
 import com.rtbishop.look4sat.R
-import com.rtbishop.look4sat.domain.SatPos
+import com.rtbishop.look4sat.predict4kotlin.SatPos
 import kotlin.math.cos
 import kotlin.math.min
 import kotlin.math.sin

app/src/main/java/com/rtbishop/look4sat/presentation/radarScreen/RadarViewModel.kt

@@ -18,14 +18,14 @@
 package com.rtbishop.look4sat.presentation.radarScreen
 
 import androidx.lifecycle.*
-import com.rtbishop.look4sat.domain.PassReporter
+import com.rtbishop.look4sat.domain.DataReporter
-import com.rtbishop.look4sat.data.Preferences
+import com.rtbishop.look4sat.domain.Repository
-import com.rtbishop.look4sat.data.SatelliteRepo
+import com.rtbishop.look4sat.predict4kotlin.Predictor
-import com.rtbishop.look4sat.domain.Predictor
+import com.rtbishop.look4sat.predict4kotlin.SatPass
-import com.rtbishop.look4sat.domain.SatPass
+import com.rtbishop.look4sat.predict4kotlin.SatPos
-import com.rtbishop.look4sat.domain.SatPos
+import com.rtbishop.look4sat.model.Transmitter
-import com.rtbishop.look4sat.domain.Transmitter
 import com.rtbishop.look4sat.framework.OrientationSource
+import com.rtbishop.look4sat.framework.PreferencesSource
 import com.rtbishop.look4sat.utility.round
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.delay
@@ -38,10 +38,10 @@ import javax.inject.Inject
 @HiltViewModel
 class RadarViewModel @Inject constructor(
     private val orientationSource: OrientationSource,
-    private val preferences: Preferences,
+    private val preferences: PreferencesSource,
     private val predictor: Predictor,
-    private val satelliteRepo: SatelliteRepo,
+    private val satelliteRepo: Repository,
-    private val passReporter: PassReporter
+    private val dataReporter: DataReporter
 ) : ViewModel(), OrientationSource.OrientationListener {
 
     private val stationPos = preferences.loadStationPosition()
@@ -80,7 +80,7 @@ class RadarViewModel @Inject constructor(
             var satTrack: List<SatPos> = emptyList()
             val rotatorPrefs = preferences.getRotatorServer()
             if (rotatorPrefs != null) {
-                passReporter.setupRotatorSocket(rotatorPrefs.first, rotatorPrefs.second)
+                dataReporter.setupRotatorSocket(rotatorPrefs.first, rotatorPrefs.second)
             }
             if (!satPass.isDeepSpace) {
                 val startDate = Date(satPass.aosTime)
@@ -91,7 +91,7 @@ class RadarViewModel @Inject constructor(
                 val satPos = predictor.getSatPos(satPass.satellite, stationPos, Date())
                 val azimuth = Math.toDegrees(satPos.azimuth).round(1)
                 val elevation = Math.toDegrees(satPos.elevation).round(1)
-                passReporter.reportRotation(azimuth, elevation)
+                dataReporter.reportRotation(azimuth, elevation)
                 _passData.postValue(RadarData(satPos, satTrack))
                 delay(1000)
             }

app/src/main/java/com/rtbishop/look4sat/presentation/radarScreen/TransmittersAdapter.kt

@@ -24,7 +24,7 @@ import androidx.recyclerview.widget.DiffUtil
 import androidx.recyclerview.widget.RecyclerView
 import com.rtbishop.look4sat.R
 import com.rtbishop.look4sat.databinding.ItemTransBinding
-import com.rtbishop.look4sat.domain.Transmitter
+import com.rtbishop.look4sat.model.Transmitter
 import java.util.*
 
 class TransmittersAdapter : RecyclerView.Adapter<TransmittersAdapter.TransHolder>() {

app/src/main/java/com/rtbishop/look4sat/presentation/settingsScreen/SettingsFragment.kt

@@ -29,7 +29,6 @@ import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
 import com.google.android.material.snackbar.Snackbar
 import com.rtbishop.look4sat.R
-import com.rtbishop.look4sat.data.Preferences
 import com.rtbishop.look4sat.framework.PreferencesSource
 import dagger.hilt.android.AndroidEntryPoint
 import javax.inject.Inject
@@ -38,7 +37,7 @@ import javax.inject.Inject
 class SettingsFragment : PreferenceFragmentCompat() {
 
     @Inject
-    lateinit var preferences: Preferences
+    lateinit var preferences: PreferencesSource
 
     private val requestPermissionLauncher =
         registerForActivityResult(ActivityResultContracts.RequestPermission()) { isGranted ->

app/src/main/java/com/rtbishop/look4sat/presentation/sourcesScreen/SourcesDialog.kt

@@ -25,8 +25,8 @@ import android.view.WindowManager
 import androidx.appcompat.app.AppCompatDialogFragment
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.rtbishop.look4sat.R
-import com.rtbishop.look4sat.data.Preferences
 import com.rtbishop.look4sat.databinding.DialogSourcesBinding
+import com.rtbishop.look4sat.framework.PreferencesSource
 import com.rtbishop.look4sat.utility.setNavResult
 import dagger.hilt.android.AndroidEntryPoint
 import javax.inject.Inject
@@ -35,7 +35,7 @@ import javax.inject.Inject
 class SourcesDialog : AppCompatDialogFragment() {
 
     @Inject
-    lateinit var prefsManager: Preferences
+    lateinit var prefsManager: PreferencesSource
 
     override fun onCreateView(inflater: LayoutInflater, group: ViewGroup?, state: Bundle?): View? {
         return inflater.inflate(R.layout.dialog_sources, group, false)

app/src/main/java/com/rtbishop/look4sat/utility/CustomHandler.kt

@@ -1,18 +0,0 @@
-package com.rtbishop.look4sat.utility
-
-import android.app.Activity
-
-class CustomHandler(private val activity: Activity) : Thread.UncaughtExceptionHandler {
-
-    private val rootHandler = Thread.getDefaultUncaughtExceptionHandler()
-
-    init {
-        Thread.setDefaultUncaughtExceptionHandler(this)
-    }
-
-    override fun uncaughtException(thread: Thread, throwable: Throwable) {
-//         Custom exception handling, use intents instead of dialogs
-//         Process.killProcess(Process.myPid())
-//         exitProcess(0)
-    }
-}

app/src/main/res/xml/preference.xml

@@ -50,7 +50,7 @@
             app:iconSpaceReserved="false"
             app:useSimpleSummaryProvider="true" />
         <EditTextPreference
-            android:defaultValue="4096"
+            android:defaultValue="4533"
             android:dependency="isRotatorEnabled"
             android:key="rotatorPort"
             android:title="@string/tracking_rotator_port"

build.gradle

@@ -1,7 +1,7 @@
 buildscript {
     ext {
         gradle_version = '7.0.2'
-        kotlin_version = '1.5.30'
+        kotlin_version = '1.5.31'
         coroutines_version = '1.5.2-native-mt'
         material_version = '1.4.0'
         splash_screen_version = '1.0.0-alpha01'
@@ -10,7 +10,7 @@ buildscript {
         navigation_version = '2.3.5'
         preference_version = '1.1.1'
         room_version = '2.3.0'
-        hilt_version = '2.39'
+        hilt_version = '2.39.1'
         retrofit_version = '2.9.0'
         osmdroid_version = '6.1.11'
         timber_version = '5.0.1'

core/src/main/java/com/rtbishop/look4sat/common/Constants.kt

@@ -0,0 +1,28 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.rtbishop.look4sat.common
+
+object Constants {
+
+    const val URL_BASE = "https://db.satnogs.org/api/"
+    const val URL_CELESTRAK = "https://celestrak.com/NORAD/elements/active.txt"
+    const val URL_AMSAT = "https://amsat.org/tle/current/nasabare.txt"
+    const val URL_PRISM_CLASSFD = "https://www.prismnet.com/~mmccants/tles/classfd.zip"
+    const val URL_PRISM_INTEL = "https://www.prismnet.com/~mmccants/tles/inttles.zip"
+
+}

core/src/main/java/com/rtbishop/look4sat/common/DataState.kt

@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat.framework.model
+package com.rtbishop.look4sat.common
 
 sealed class DataState<out T> {
     data class Success<out T>(val data: T) : DataState<T>()

core/src/main/java/com/rtbishop/look4sat/data/DataRepository.kt

@@ -17,9 +17,12 @@
  */
 package com.rtbishop.look4sat.data
 
-import com.rtbishop.look4sat.domain.Transmitter
+import com.rtbishop.look4sat.domain.Repository
-import com.rtbishop.look4sat.domain.Satellite
+import com.rtbishop.look4sat.model.SatEntry
-import com.rtbishop.look4sat.domain.TLE
+import com.rtbishop.look4sat.model.SatItem
+import com.rtbishop.look4sat.model.Transmitter
+import com.rtbishop.look4sat.predict4kotlin.Satellite
+import com.rtbishop.look4sat.predict4kotlin.TLE
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.flow.Flow
@@ -28,38 +31,29 @@ import kotlinx.coroutines.withContext
 import java.io.InputStream
 import java.util.zip.ZipInputStream
 
-class SatelliteRepo(
+class DataRepository(
-    private val preferences: Preferences,
+    private val localSource: LocalDataSource,
-    private val localSource: LocalSource,
+    private val remoteSource: RemoteDataSource,
-    private val remoteSource: RemoteSource,
     private val repoDispatcher: CoroutineDispatcher
-) {
+) : Repository {
 
-    fun saveSelectedModes(modes: List<String>) {
+    override fun getSatItems(): Flow<List<SatItem>> {
-        preferences.saveModesSelection(modes)
-    }
-
-    fun loadSelectedModes(): List<String> {
-        return preferences.loadModesSelection()
-    }
-
-    fun getSatItems(): Flow<List<SatItem>> {
         return localSource.getEntriesWithModes()
     }
 
-    fun getSatTransmitters(catNum: Int): Flow<List<Transmitter>> {
+    override fun getSatTransmitters(catNum: Int): Flow<List<Transmitter>> {
         return localSource.getTransmitters(catNum)
     }
 
-    suspend fun getSelectedSatellites(): List<Satellite> {
+    override suspend fun getSelectedSatellites(): List<Satellite> {
         return localSource.getSelectedSatellites()
     }
 
-    suspend fun updateEntriesFromFile(stream: InputStream) = withContext(repoDispatcher) {
+    override suspend fun updateEntriesFromFile(stream: InputStream) = withContext(repoDispatcher) {
         localSource.updateEntries(importSatEntries(stream))
     }
 
-    suspend fun updateEntriesFromWeb(sources: List<String>) {
+    override suspend fun updateEntriesFromWeb(sources: List<String>) {
         coroutineScope {
             launch(repoDispatcher) {
                 val streams = mutableListOf<InputStream>()
@@ -84,7 +78,7 @@ class SatelliteRepo(
         }
     }
 
-    suspend fun updateEntriesSelection(catNums: List<Int>, isSelected: Boolean) {
+    override suspend fun updateEntriesSelection(catNums: List<Int>, isSelected: Boolean) {
         localSource.updateEntriesSelection(catNums, isSelected)
     }
 

core/src/main/java/com/rtbishop/look4sat/data/LocalDataSource.kt

@@ -17,11 +17,13 @@
  */
 package com.rtbishop.look4sat.data
 
-import com.rtbishop.look4sat.domain.Transmitter
+import com.rtbishop.look4sat.model.SatEntry
-import com.rtbishop.look4sat.domain.Satellite
+import com.rtbishop.look4sat.model.SatItem
+import com.rtbishop.look4sat.model.Transmitter
+import com.rtbishop.look4sat.predict4kotlin.Satellite
 import kotlinx.coroutines.flow.Flow
 
-interface LocalSource {
+interface LocalDataSource {
 
     fun getEntriesWithModes(): Flow<List<SatItem>>
 

core/src/main/java/com/rtbishop/look4sat/data/Preferences.kt

@@ -1,63 +0,0 @@
-/*
- * Look4Sat. Amateur radio satellite tracker and pass predictor.
- * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-package com.rtbishop.look4sat.data
-
-import com.rtbishop.look4sat.domain.GeoPos
-
-interface Preferences {
-
-    fun positionToQTH(lat: Double, lon: Double): String?
-
-    fun loadStationPosition(): GeoPos
-
-    fun saveStationPosition(pos: GeoPos)
-
-    fun updatePositionFromGPS(): Boolean
-
-    fun updatePositionFromQTH(qthString: String): Boolean
-
-    fun getMagDeclination(): Float
-
-    fun getHoursAhead(): Int
-
-    fun getMinElevation(): Double
-
-    fun shouldUseTextLabels(): Boolean
-
-    fun shouldUseUTC(): Boolean
-
-    fun shouldUseCompass(): Boolean
-
-    fun shouldShowSweep(): Boolean
-
-    fun isSetupDone(): Boolean
-
-    fun setSetupDone()
-
-    fun saveModesSelection(modes: List<String>)
-
-    fun loadModesSelection(): List<String>
-
-    fun getRotatorServer(): Pair<String, Int>?
-
-    fun loadTleSources(): List<String>
-
-    fun saveTleSources(sources: List<String>)
-
-    fun loadDefaultSources(): List<String>
-}

core/src/main/java/com/rtbishop/look4sat/data/RemoteDataSource.kt

@@ -17,10 +17,10 @@
  */
 package com.rtbishop.look4sat.data
 
-import com.rtbishop.look4sat.domain.Transmitter
+import com.rtbishop.look4sat.model.Transmitter
 import java.io.InputStream
 
-interface RemoteSource {
+interface RemoteDataSource {
 
     suspend fun fetchFileStream(url: String): InputStream?
 

core/src/main/java/com/rtbishop/look4sat/domain/DataReporter.kt

@@ -1,3 +1,20 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
 package com.rtbishop.look4sat.domain
 
 import kotlinx.coroutines.CoroutineDispatcher
@@ -5,7 +22,7 @@ import kotlinx.coroutines.withContext
 import java.io.BufferedWriter
 import java.net.Socket
 
-class PassReporter(private val reporterDispatcher: CoroutineDispatcher) {
+class DataReporter(private val reporterDispatcher: CoroutineDispatcher) {
 
     private var radioSocket: Socket? = null
     private var radioWriter: BufferedWriter? = null

core/src/main/java/com/rtbishop/look4sat/domain/QthConverter.kt

@@ -17,6 +17,7 @@
  */
 package com.rtbishop.look4sat.domain
 
+import com.rtbishop.look4sat.predict4kotlin.GeoPos
 import kotlin.math.round
 
 object QthConverter {

core/src/main/java/com/rtbishop/look4sat/domain/Repository.kt

@@ -0,0 +1,39 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.rtbishop.look4sat.domain
+
+import com.rtbishop.look4sat.model.SatItem
+import com.rtbishop.look4sat.model.Transmitter
+import com.rtbishop.look4sat.predict4kotlin.Satellite
+import kotlinx.coroutines.flow.Flow
+import java.io.InputStream
+
+interface Repository {
+
+    fun getSatItems(): Flow<List<SatItem>>
+
+    fun getSatTransmitters(catNum: Int): Flow<List<Transmitter>>
+
+    suspend fun getSelectedSatellites(): List<Satellite>
+
+    suspend fun updateEntriesFromFile(stream: InputStream)
+
+    suspend fun updateEntriesFromWeb(sources: List<String>)
+
+    suspend fun updateEntriesSelection(catNums: List<Int>, isSelected: Boolean)
+}

core/src/main/java/com/rtbishop/look4sat/model/OMM.kt

@@ -0,0 +1,31 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.rtbishop.look4sat.model
+
+data class OMM(
+    val name: String,
+    val epochString: String,
+    val meanmo: Double,
+    val eccn: Double,
+    val incl: Double,
+    val raan: Double,
+    val argper: Double,
+    val meanan: Double,
+    val catnum: Int,
+    val bstar: Double,
+)

core/src/main/java/com/rtbishop/look4sat/model/SatEntry.kt

@@ -15,9 +15,9 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat.data
+package com.rtbishop.look4sat.model
 
-import com.rtbishop.look4sat.domain.TLE
+import com.rtbishop.look4sat.predict4kotlin.TLE
 
 data class SatEntry(
     val tle: TLE,

core/src/main/java/com/rtbishop/look4sat/model/SatItem.kt

@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat.data
+package com.rtbishop.look4sat.model
 
 data class SatItem(
     val catNum: Int,

core/src/main/java/com/rtbishop/look4sat/model/Transmitter.kt

@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat.domain
+package com.rtbishop.look4sat.model
 
 data class Transmitter(
     val uuid: String,

core/src/main/java/com/rtbishop/look4sat/predict4kotlin/DeepSpaceSat.kt

@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat.domain
+package com.rtbishop.look4sat.predict4kotlin
 
 import kotlin.math.*
 

core/src/main/java/com/rtbishop/look4sat/predict4kotlin/GeoPos.kt

@@ -15,6 +15,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat.domain
+package com.rtbishop.look4sat.predict4kotlin
 
 data class GeoPos(val latitude: Double, val longitude: Double, val altitude: Double = 0.0)

core/src/main/java/com/rtbishop/look4sat/predict4kotlin/NearEarthSat.kt

@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat.domain
+package com.rtbishop.look4sat.predict4kotlin
 
 import kotlin.math.*
 

core/src/main/java/com/rtbishop/look4sat/predict4kotlin/Predictor.kt

@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat.domain
+package com.rtbishop.look4sat.predict4kotlin
 
 import com.rtbishop.look4sat.domain.*
 import kotlinx.coroutines.CoroutineDispatcher

core/src/main/java/com/rtbishop/look4sat/predict4kotlin/SatPass.kt

@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat.domain
+package com.rtbishop.look4sat.predict4kotlin
 
 data class SatPass(
     val aosTime: Long,

core/src/main/java/com/rtbishop/look4sat/predict4kotlin/SatPos.kt

@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat.domain
+package com.rtbishop.look4sat.predict4kotlin
 
 import kotlin.math.*
 

core/src/main/java/com/rtbishop/look4sat/predict4kotlin/Satellite.kt

@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat.domain
+package com.rtbishop.look4sat.predict4kotlin
 
 import java.util.*
 import java.util.concurrent.atomic.AtomicReference

core/src/main/java/com/rtbishop/look4sat/predict4kotlin/TLE.kt

@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat.domain
+package com.rtbishop.look4sat.predict4kotlin
 
 import java.io.InputStream
 import kotlin.math.pow

core/src/main/java/com/rtbishop/look4sat/usecases/GetSelectedSatellites.kt

@@ -0,0 +1,24 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.rtbishop.look4sat.usecases
+
+import com.rtbishop.look4sat.domain.Repository
+
+class GetSelectedSatellites(private val dataRepository: Repository) {
+    suspend operator fun invoke() = dataRepository.getSelectedSatellites()
+}

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

@@ -15,9 +15,8 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package com.rtbishop.look4sat
+package com.rtbishop.look4sat.domain
 
-import com.rtbishop.look4sat.domain.QthConverter
 import org.junit.Test
 
 class QthConverterTest {

core/src/test/java/com/rtbishop/look4sat/predict4kotlin/TleParserTest.kt

@@ -1,6 +1,22 @@
-package com.rtbishop.look4sat
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.rtbishop.look4sat.predict4kotlin
 
-import com.rtbishop.look4sat.domain.TLE
 import org.junit.Test
 
 class TleParserTest {