Added ability to get the number of entries and radios

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

@@ -41,6 +41,10 @@ class LocalSource(
     private val ioDispatcher: CoroutineDispatcher
 ) : ILocalSource {
 
+    override fun getEntriesNumber() = entriesDao.getEntriesNumber()
+
+    override fun getRadiosNumber() = radiosDao.getRadiosNumber()
+
     override suspend fun getEntriesWithModes(): List<SatItem> {
         val selectedCatnums = getEntriesSelection()
         val entriesWithModes = entriesDao.getEntriesWithModes().toDomainItems()

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

@@ -20,10 +20,14 @@ package com.rtbishop.look4sat.framework.local
 import androidx.room.*
 import com.rtbishop.look4sat.framework.model.SatEntry
 import com.rtbishop.look4sat.framework.model.SatItem
+import kotlinx.coroutines.flow.Flow
 
 @Dao
 interface SatEntriesDao {
 
+    @Query("SELECT COUNT(*) FROM entries")
+    fun getEntriesNumber(): Flow<Int>
+
     @Transaction
     @Query("SELECT catnum, name FROM entries ORDER BY name ASC")
     suspend fun getEntriesWithModes(): List<SatItem>

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

@@ -22,10 +22,14 @@ import androidx.room.Insert
 import androidx.room.OnConflictStrategy
 import androidx.room.Query
 import com.rtbishop.look4sat.framework.model.SatRadio
+import kotlinx.coroutines.flow.Flow
 
 @Dao
 interface SatRadiosDao {
 
+    @Query("SELECT COUNT(*) FROM radios")
+    fun getRadiosNumber(): Flow<Int>
+
     @Query("SELECT * FROM radios WHERE catnum = :catnum AND isAlive = 1")
     suspend fun getRadios(catnum: Int): List<SatRadio>