refactor: integrate ViewModel and repository for record management

shared/src/commonMain/kotlin/fr/ajaury/gwenedeg/App.kt

@@ -2,13 +2,20 @@ package fr.ajaury.gwenedeg
 
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
 import androidx.compose.ui.tooling.preview.Preview
+import fr.ajaury.gwenedeg.records.data.InMemoryRecordRepository
 import fr.ajaury.gwenedeg.records.ui.RecordsScreen
+import fr.ajaury.gwenedeg.records.ui.viewmodel.RecordsViewModel
 
 @Composable
 @Preview
 fun App() {
+    val viewModel = remember {
+        RecordsViewModel(InMemoryRecordRepository())
+    }
+
     MaterialTheme {
-        RecordsScreen()
+        RecordsScreen(viewModel)
     }
 }

shared/src/commonMain/kotlin/fr/ajaury/gwenedeg/records/data/InMemoryRecordRepository.kt

@@ -0,0 +1,35 @@
+package fr.ajaury.gwenedeg.records.data
+
+import fr.ajaury.gwenedeg.records.domain.Record
+import fr.ajaury.gwenedeg.records.domain.RecordRepository
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flowOf
+
+class InMemoryRecordRepository : RecordRepository {
+    private val records =
+        listOf(
+            "An onestiz",
+            "En em brezntiñ",
+            "An amzer a ra",
+            "E komz get unan arall",
+            "Me hag ar brezhoneg",
+            "Ar yec'hed",
+            "Deskriviñ",
+            "Me 'gar / Ne garan ket",
+            "C'hoantoù",
+            "Penaos 'peus kavet...?",
+            "Oberiantizoù",
+            "Debriñ hag evet",
+            "Bale, pourmen ha beajiñ",
+            "Ma c'horf",
+            "Dle eo / ret eo / dav eo / mall eo...",
+            "Deizioù ar sizhun",
+            "Mizioù ha kourzoù ar blez",
+            "Bez'zo / N'eus ket...",
+            "Banne.../Tamm...",
+            "Stad a vuhez",
+            "Lec'hiiñ",
+        ).map { Record(it) }
+
+    override fun getRecords(): Flow<List<Record>> = flowOf(records)
+}

shared/src/commonMain/kotlin/fr/ajaury/gwenedeg/records/domain/Record.kt

@@ -0,0 +1,5 @@
+package fr.ajaury.gwenedeg.records.domain
+
+data class Record(
+    val title: String,
+)

shared/src/commonMain/kotlin/fr/ajaury/gwenedeg/records/domain/RecordRepository.kt

@@ -0,0 +1,7 @@
+package fr.ajaury.gwenedeg.records.domain
+
+import kotlinx.coroutines.flow.Flow
+
+interface RecordRepository {
+    fun getRecords(): Flow<List<Record>>
+}

shared/src/commonMain/kotlin/fr/ajaury/gwenedeg/records/ui/RecordView.kt

@@ -5,11 +5,12 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
+import fr.ajaury.gwenedeg.records.domain.Record
 
 @Composable
-fun RecordView(record: String) {
+fun RecordView(record: Record) {
     Text(
-        text = record,
+        text = record.title,
         modifier = Modifier.padding(16.dp),
     )
 }

shared/src/commonMain/kotlin/fr/ajaury/gwenedeg/records/ui/RecordsScreen.kt

@@ -5,41 +5,20 @@ import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.safeContentPadding
 import androidx.compose.foundation.lazy.LazyColumn
-import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.lazy.itemsIndexed
 import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
-
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
-private val records =
+import fr.ajaury.gwenedeg.records.ui.viewmodel.RecordsViewModel
-    listOf(
-        "An onestiz",
-        "En em brezntiñ",
-        "An amzer a ra",
-        "E komz get unan arall",
-        "Me hag ar brezhoneg",
-        "Ar yec'hed",
-        "Deskriviñ",
-        "Me 'gar / Ne garan ket",
-        "C'hoantoù",
-        "Penaos 'peus kavet...?",
-        "Oberiantizoù",
-        "Debriñ hag evet",
-        "Bale, pourmen ha beajiñ",
-        "Ma c'horf",
-        "Dle eo / ret eo / dav eo / mall eo...",
-        "Deizioù ar sizhun",
-        "Mizioù ha kourzoù ar blez",
-        "Bez'zo / N'eus ket...",
-        "Banne.../Tamm...",
-        "Stad a vuhez",
-        "Lec'hiiñ",
-    )
 
 @Composable
-fun RecordsScreen() {
+fun RecordsScreen(viewModel: RecordsViewModel) {
+    val records by viewModel.uiState.collectAsStateWithLifecycle()
     Scaffold { innerPadding ->
         LazyColumn(
             modifier =
@@ -48,12 +27,12 @@ fun RecordsScreen() {
                     .background(MaterialTheme.colorScheme.primaryContainer)
                     .fillMaxSize(),
         ) {
-            items(records) { item ->
+            itemsIndexed(records) { index, item ->
                 RecordView(
                     record = item,
                 )
 
-                if (!item.isLastItem()) {
+                if (index < records.lastIndex) {
                     HorizontalDivider(
                         modifier = Modifier.padding(horizontal = 16.dp),
                         thickness = 1.dp,
@@ -64,5 +43,3 @@ fun RecordsScreen() {
         }
     }
 }
-
-private fun String.isLastItem(): Boolean = this == records.last()

shared/src/commonMain/kotlin/fr/ajaury/gwenedeg/records/ui/viewmodel/RecordsViewModel.kt

@@ -0,0 +1,21 @@
+package fr.ajaury.gwenedeg.records.ui.viewmodel
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import fr.ajaury.gwenedeg.records.domain.Record
+import fr.ajaury.gwenedeg.records.domain.RecordRepository
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.stateIn
+
+class RecordsViewModel(
+    recordRepository: RecordRepository,
+) : ViewModel() {
+    val uiState: StateFlow<List<Record>> = recordRepository
+        .getRecords()
+        .stateIn(
+            scope = viewModelScope,
+            started = SharingStarted.WhileSubscribed(5000),
+            initialValue = emptyList(),
+        )
+}

shared/src/iosMain/kotlin/fr/ajaury/gwenedeg/MainViewController.kt

@@ -2,4 +2,4 @@ package fr.ajaury.gwenedeg
 
 import androidx.compose.ui.window.ComposeUIViewController
 
-fun MainViewController() = ComposeUIViewController { App() }
+fun MainViewController() = ComposeUIViewController { App() }

webApp/src/webMain/kotlin/fr/ajaury/gwenedeg/main.kt

@@ -8,4 +8,4 @@ fun main() {
     ComposeViewport {
         App()
     }
-}
+}