add upload button

composeApp/src/androidMain/kotlin/su/reya/coop/screens/ChatScreen.kt

@@ -1,5 +1,8 @@
 package su.reya.coop.screens
 
+import android.net.Uri
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
@@ -55,6 +58,7 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
@@ -63,9 +67,12 @@ import coop.composeapp.generated.resources.Res
 import coop.composeapp.generated.resources.ic_arrow_back
 import coop.composeapp.generated.resources.ic_cancel
 import coop.composeapp.generated.resources.ic_check_circle
+import coop.composeapp.generated.resources.ic_plus
 import coop.composeapp.generated.resources.ic_send
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import org.jetbrains.compose.resources.painterResource
 import rust.nostr.sdk.PublicKey
 import rust.nostr.sdk.Timestamp
@@ -89,11 +96,13 @@ import su.reya.coop.short
 @OptIn(ExperimentalMaterial3ExpressiveApi::class)
 @Composable
 fun ChatScreen(id: Long, screening: Boolean = false) {
+    val context = LocalContext.current
     val snackbarHostState = LocalSnackbarHostState.current
     val navigator = LocalNavigator.current
     val accountViewModel = LocalAccountViewModel.current
     val chatViewModel = LocalChatViewModel.current
     val profileViewModel = LocalProfileViewModel.current
+    val scope = rememberCoroutineScope()
 
     // Get chat room by ID
     val chatRooms by chatViewModel.chatRooms.collectAsStateWithLifecycle()
@@ -128,6 +137,7 @@ fun ChatScreen(id: Long, screening: Boolean = false) {
     var loading by remember { mutableStateOf(true) }
     var newOtherMessages by remember { mutableIntStateOf(0) }
     var requireScreening by remember { mutableStateOf(screening) }
+    var upload by remember { mutableStateOf<Uri?>(null) }
 
     val listState = rememberLazyListState()
     val messages = remember { mutableStateListOf<UnsignedEvent>() }
@@ -136,6 +146,20 @@ fun ChatScreen(id: Long, screening: Boolean = false) {
         messages.groupBy { it.createdAt().formatAsGroupHeader() }
     }
 
+    val sendFile = { uri: Uri ->
+        scope.launch {
+            val bytes = withContext(Dispatchers.IO) {
+                context.contentResolver.openInputStream(uri)?.use { it.readBytes() }
+            }
+            val type = context.contentResolver.getType(uri)
+            chatViewModel.sendFileMessage(id, bytes, type)
+        }
+    }
+
+    val launcher = rememberLauncherForActivityResult(ActivityResultContracts.GetContent()) { uri ->
+        uri?.let { sendFile(it) }
+    }
+
     LaunchedEffect(id) {
         // Start loading spinner
         loading = true
@@ -333,6 +357,9 @@ fun ChatScreen(id: Long, screening: Boolean = false) {
                                 onSend = {
                                     chatViewModel.sendMessage(id, text)
                                     text = ""
+                                },
+                                onUpload = {
+                                    launcher.launch("image/*")
                                 }
                             )
                         }
@@ -543,22 +570,31 @@ fun ChatMessage(
 fun ChatInput(
     value: String,
     onValueChange: (String) -> Unit,
-    onSend: () -> Unit
+    onSend: () -> Unit,
+    onUpload: () -> Unit
 ) {
     Row(
         modifier = Modifier.padding(horizontal = 16.dp, vertical = 8.dp),
         verticalAlignment = Alignment.Bottom
     ) {
         TextField(
-            value = value,
-            onValueChange = onValueChange,
-            placeholder = { Text("Message") },
+            modifier = Modifier.weight(1f),
             shape = RoundedCornerShape(28.dp),
             colors = TextFieldDefaults.colors(
                 focusedIndicatorColor = Color.Transparent,
                 unfocusedIndicatorColor = Color.Transparent
             ),
-            modifier = Modifier.weight(1f)
+            value = value,
+            onValueChange = onValueChange,
+            placeholder = { Text("Message") },
+            leadingIcon = {
+                IconButton(onClick = onUpload) {
+                    Icon(
+                        painter = painterResource(Res.drawable.ic_plus),
+                        contentDescription = "Upload",
+                    )
+                }
+            },
         )
         Spacer(modifier = Modifier.size(8.dp))
         FilledTonalIconButton(

composeApp/src/androidMain/kotlin/su/reya/coop/screens/NewIdentityScreen.kt

@@ -28,7 +28,7 @@ fun NewIdentityScreen() {
         onBack = { navigator.goBack() },
         onConfirm = { name, bio, bytes, type ->
             scope.launch {
-                accountViewModel.createIdentity(name, bio, bytes, type, profileViewModel)
+                accountViewModel.createIdentity(name, bio, bytes, type)
                 navigator.navigate(Screen.Home)
             }
         }

composeApp/src/androidMain/kotlin/su/reya/coop/shared/ProfileEditor.kt

@@ -38,6 +38,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -53,7 +54,6 @@ import coil3.compose.AsyncImage
 import coop.composeapp.generated.resources.Res
 import coop.composeapp.generated.resources.ic_arrow_back
 import coop.composeapp.generated.resources.ic_plus
-import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
@@ -75,6 +75,8 @@ fun ProfileEditor(
     val context = LocalContext.current
     val snackbarHostState = LocalSnackbarHostState.current
     val focusManager = LocalFocusManager.current
+    val scope = rememberCoroutineScope()
+
     var name by remember(initialName) { mutableStateOf(initialName) }
     var bio by remember(initialBio) { mutableStateOf(initialBio) }
     var picture by remember(initialPicture) { mutableStateOf(initialPicture) }
@@ -264,7 +266,6 @@ fun ProfileEditor(
                             .fillMaxWidth()
                             .size(ButtonDefaults.MediumContainerHeight),
                         onClick = {
-                            val scope = CoroutineScope(Dispatchers.Main)
                             scope.launch {
                                 val bytes = withContext(Dispatchers.IO) {
                                     (picture as? Uri)?.let {