Connection between AddUI and AddViewmodel?!?!?

Ledger/app/src/main/java/at/xaxa/ledger/ui/AppViewModelProvider.kt

@@ -5,6 +5,7 @@ import androidx.lifecycle.createSavedStateHandle
 import androidx.lifecycle.viewmodel.initializer
 import androidx.lifecycle.viewmodel.viewModelFactory
 import at.xaxa.ledger.LedgerApplication
+import at.xaxa.ledger.ui.add.AddViewModel
 import at.xaxa.ledger.ui.edit.EditViewModel
 import at.xaxa.ledger.ui.home.HomeViewModel
 
@@ -15,9 +16,9 @@ object AppViewModelProvider {
             HomeViewModel((this[APPLICATION_KEY] as LedgerApplication).entryRepository)
         }
 
-        /*initializer {
+        initializer {
             AddViewModel(this.createSavedStateHandle(), (this[APPLICATION_KEY] as LedgerApplication).entryRepository)
-        }*/
+        }
 
         initializer {
             EditViewModel(this.createSavedStateHandle(), (this[APPLICATION_KEY] as LedgerApplication).entryRepository)

Ledger/app/src/main/java/at/xaxa/ledger/ui/add/AddUI.kt

@@ -4,6 +4,7 @@ import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Button
 import androidx.compose.material3.DropdownMenuItem
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.ExposedDropdownMenuBox
@@ -12,6 +13,7 @@ import androidx.compose.material3.OutlinedTextField
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextField
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
@@ -19,19 +21,30 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
+import at.xaxa.ledger.data.Entry
 import at.xaxa.ledger.ui.AppViewModelProvider
 import at.xaxa.ledger.ui.DatePicker
 import at.xaxa.ledger.ui.home.HomeViewModel
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun Add(modifier: Modifier = Modifier, onCardClick: (Int) -> Unit, HomeViewModel : HomeViewModel = viewModel(factory = AppViewModelProvider.Factory)) {
+fun Add(modifier: Modifier = Modifier, onCardClick: () -> Unit, addViewModel: AddViewModel = viewModel(factory = AppViewModelProvider.Factory)) {
+
+    val state by addViewModel.addUiState.entries.collectAsState(initial = emptyList())
+
     var spending by remember { mutableStateOf("") }
 
     var expanded by remember { mutableStateOf(false) }
     var selectedItem by remember { mutableStateOf("") }
     val categories = listOf("Option 1", "Option 2", "Option 3")
 
+    var entryName by remember { mutableStateOf("") }
+    var entryAmount by remember { mutableStateOf(0.0f) }
+    var entryDate by remember { mutableStateOf(0L) }
+    var category by remember { mutableStateOf(0) }
+
+
+
 
     Column(
         modifier = modifier.fillMaxSize()
@@ -88,5 +101,26 @@ fun Add(modifier: Modifier = Modifier, onCardClick: (Int) -> Unit, HomeViewModel
         }
 
         DatePicker(onDateSelected = { date -> println("Selected date in milliseconds: $date") }, onDismiss = { println("Dismissed") })
+
+        Button(
+            onClick = {
+                if (entryName.isNotBlank() && entryAmount != null && entryDate != null && categories != null) {
+                    val newEntry = Entry(
+                        id = 0,
+                        name = entryName,
+                        amount = entryAmount,
+                        date = entryDate,
+                        categoryID = category
+                    )
+
+                    addViewModel.addEntryToDB(newEntry)
+
+                    onCardClick()
+                }
+            },
+            modifier = Modifier.fillMaxWidth()
+        ) {
+            Text("Add Item")
+        }
     }
 }

Ledger/app/src/main/java/at/xaxa/ledger/ui/add/AddViewModel.kt

@@ -26,20 +26,17 @@ var categoryUiState by mutableStateOf(CategoryListUIState())
     private set
 
 // UI State to hold a list of games
-data class EntryListUi(
+data class EntryUi(
-    val entries: Flow<List<Entry>> = flow{emit(emptyList()) }
+    val entries: Flow<List<Entry>> = flow { emit(emptyList()) }
 )
 
 class AddViewModel(
     private val savedStateHandle: SavedStateHandle,
     private val repository: EntryRepository
 ) : ViewModel() {
+    var addUiState by mutableStateOf(EntryUi())
 
-    var addUiState by mutableStateOf(EntryListUi())
+    fun addEntryToDB(entry: Entry) {
-        private set
-
-
-    fun addEntryToDB(entry: Entry){
         viewModelScope.launch {
             try {
                 val entryEntity = Entry(
@@ -58,6 +55,7 @@ class AddViewModel(
             }
         }
     }
+
     fun addCategory(category: CategoryEntity) {
         viewModelScope.launch {
             try {
@@ -75,9 +73,10 @@ class AddViewModel(
             }
         }
     }
-        fun getAllCategories(){
+
+    fun getAllCategories() {
         viewModelScope.launch {
-                    val categories = withContext(Dispatchers.IO){
+            val categories = withContext(Dispatchers.IO) {
                 repository.getAllCategories()
             }
             categoryUiState = CategoryListUIState(categories)
@@ -85,4 +84,4 @@ class AddViewModel(
         }
 
     }
-    }
+}