Refactor search, favorites and calendar widget

unitconverter/src/main/java/de/mm20/launcher2/unitconverter/Module.kt

@@ -7,6 +7,5 @@ import org.koin.dsl.module
 
 val unitConverterModule = module {
     single { CurrencyRepository(androidContext()) }
-    single { UnitConverterRepository(androidContext()) }
-    viewModel { UnitConverterViewModel(get()) }
+    single<UnitConverterRepository> { UnitConverterRepositoryImpl(androidContext()) }
 }

unitconverter/src/main/java/de/mm20/launcher2/unitconverter/UnitConverterRepository.kt

@@ -2,15 +2,19 @@ package de.mm20.launcher2.unitconverter
 
 import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import de.mm20.launcher2.currencies.CurrencyRepository
-import de.mm20.launcher2.search.BaseSearchableRepository
 import de.mm20.launcher2.search.data.UnitConverter
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.channelFlow
 
-class UnitConverterRepository(val context: Context) : BaseSearchableRepository() {
+interface UnitConverterRepository {
+    fun search(query:String): Flow<UnitConverter?>
+}
+
+class UnitConverterRepositoryImpl(val context: Context) : UnitConverterRepository {
 
     val unitConverter = MutableLiveData<UnitConverter?>()
 
-    override suspend fun search(query: String) {
-        unitConverter.value = UnitConverter.search(context, query)
+    override fun search(query: String): Flow<UnitConverter?> = channelFlow {
+        send(UnitConverter.search(context, query))
     }
 }

unitconverter/src/main/java/de/mm20/launcher2/unitconverter/UnitConverterViewModel.kt

@@ -1,9 +0,0 @@
-package de.mm20.launcher2.unitconverter
-
-import androidx.lifecycle.ViewModel
-
-class UnitConverterViewModel(
-    unitConverterRepository: UnitConverterRepository
-): ViewModel() {
-    val unitConverter = unitConverterRepository.unitConverter
-}