Improve the UI

Signed-off-by: denis0001-dev <denis0001.dev@ya.ru>

app/build.gradle.kts

@@ -77,6 +77,7 @@ dependencies {
     implementation(libs.androidx.material3)
     implementation(libs.androidx.navigation.compose)
     implementation(libs.androidx.material.icons.extended)
+    implementation(libs.kotlinx.datetime)
 
     implementation(libs.ktor.client.core)
     implementation(libs.ktor.client.okhttp)

app/src/main/java/ru/fromchat/Constants.kt

@@ -1,3 +1,20 @@
 package ru.fromchat
 
+import kotlinx.datetime.LocalDateTime
+import kotlinx.datetime.format.char
+
 const val API_HOST = "fromchat.ru"
+
+val DATETIME_FORMAT = LocalDateTime.Format {
+    day()
+    char('.')
+    monthNumber()
+    char('.')
+    year()
+
+    char(' ')
+
+    hour()
+    char(':')
+    minute()
+}

app/src/main/java/ru/fromchat/api/Models.kt

@@ -55,7 +55,9 @@ data class Message(
     val username: String,
     val profile_picture: String?,
     val reply_to: Message?
-)
+) {
+    val utcTimestamp = "${timestamp}Z"
+}
 
 @Serializable
 data class SendMessageRequest(

app/src/main/java/ru/fromchat/ui/chat/BaseChat.kt

@@ -1,87 +0,0 @@
-package ru.fromchat.ui.chat
-
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.lazy.LazyColumn
-import androidx.compose.foundation.lazy.items
-import androidx.compose.material3.Button
-import androidx.compose.material3.OutlinedTextField
-import androidx.compose.material3.Surface
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateListOf
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.unit.dp
-import kotlinx.coroutines.DelicateCoroutinesApi
-import kotlinx.coroutines.GlobalScope
-import kotlinx.coroutines.launch
-import kotlinx.serialization.json.JsonPrimitive
-import kotlinx.serialization.json.buildJsonObject
-import ru.fromchat.api.WebSocketManager
-import ru.fromchat.api.WebSocketMessage
-
-data class ChatMessage(val author: String, val content: String)
-
-@OptIn(DelicateCoroutinesApi::class)
-@Composable
-fun BaseChat(
-    chatTitle: String
-) {
-    val messages = remember { mutableStateListOf<ChatMessage>() }
-    var composing by remember { mutableStateOf("") }
-
-    LaunchedEffect(Unit) {
-        WebSocketManager.connect()
-        WebSocketManager.setGlobalMessageHandler { msg ->
-            // Placeholder: append raw data content if present
-            val text = msg.data?.toString() ?: return@setGlobalMessageHandler
-            messages.add(ChatMessage(author = "Server", content = text))
-        }
-    }
-
-    Surface(modifier = Modifier.fillMaxSize()) {
-        Column(modifier = Modifier.fillMaxSize().padding(8.dp)) {
-            Text(chatTitle)
-
-            LazyColumn(modifier = Modifier.weight(1f)) {
-                items(messages) { m ->
-                    Text("${m.author}: ${m.content}")
-                }
-            }
-
-            Row {
-                OutlinedTextField(
-                    value = composing,
-                    onValueChange = { composing = it },
-                    modifier = Modifier.weight(1f),
-                    label = { Text("Сообщение") }
-                )
-                Button(onClick = {
-                    if (composing.isNotBlank()) {
-                        // Note: server schema for public chat messages is not specified in the repo.
-                        // We send a generic WebSocketMessage to match frontend type contract.
-                        // TODO correct the payload
-                        val payload = WebSocketMessage(
-                            type = "public_chat_message",
-                            data = buildJsonObject {
-                                put("content", JsonPrimitive(composing))
-                                put("chatName", JsonPrimitive(chatTitle))
-                            }
-                        )
-                        // Fire and forget
-                        GlobalScope.launch { WebSocketManager.send(payload) }
-                        messages.add(ChatMessage(author = "Вы", content = composing))
-                        composing = ""
-                    }
-                }) { Text("Отправить") }
-            }
-        }
-    }
-}

app/src/main/java/ru/fromchat/ui/chat/ChatScreen.kt

@@ -21,44 +21,45 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.unit.dp
 import ru.fromchat.R
 import ru.fromchat.ui.LocalNavController
 
-enum class ChatTab { CHATS, CONTACTS, DMS }
-
 @Composable
 fun ChatScreen() {
-    var selectedTab by remember { mutableStateOf(ChatTab.CHATS) }
+    var selectedTab by remember { mutableStateOf("chats") }
     val navController = LocalNavController.current
 
     Scaffold(
         bottomBar = {
             NavigationBar {
                 NavigationBarItem(
-                    selected = selectedTab == ChatTab.CHATS,
+                    selected = selectedTab == "chats",
-                    onClick = { selectedTab = ChatTab.CHATS },
+                    onClick = { selectedTab = "chats" },
                     label = { Text(stringResource(R.string.chats)) },
                     icon = { Icon(Icons.AutoMirrored.Filled.Chat, contentDescription = null) }
                 )
                 NavigationBarItem(
-                    selected = selectedTab == ChatTab.CONTACTS,
+                    selected = selectedTab == "contacts",
-                    onClick = { selectedTab = ChatTab.CONTACTS },
+                    onClick = { selectedTab = "contacts" },
                     label = { Text(stringResource(R.string.contacts)) },
                     icon = { Icon(Icons.Filled.Contacts, contentDescription = null) }
                 )
                 NavigationBarItem(
-                    selected = selectedTab == ChatTab.DMS,
+                    selected = selectedTab == "dms",
-                    onClick = { selectedTab = ChatTab.DMS },
+                    onClick = { selectedTab = "dms" },
                     label = { Text(stringResource(R.string.dms)) },
                     icon = { Icon(Icons.Filled.Mail, contentDescription = null) }
                 )
             }
         }
     ) { innerPadding ->
-        Column(modifier = Modifier.fillMaxSize().padding(innerPadding).padding(12.dp)) {
+        Column(
+            Modifier
+                .fillMaxSize()
+                .padding(innerPadding)
+        ) {
             when (selectedTab) {
-                ChatTab.CHATS -> {
+                "chats" -> {
                     ListItem(
                         headlineContent = { Text(stringResource(R.string.public_chat)) },
                         supportingContent = { Text(stringResource(R.string.chat_last_mesaage)) },
@@ -67,10 +68,10 @@ fun ChatScreen() {
                         }
                     )
                 }
-                ChatTab.CONTACTS -> {
+                "contacts" -> {
                     Text(stringResource(R.string.coming_soon))
                 }
-                ChatTab.DMS -> {
+                "dms" -> {
                     Text(stringResource(R.string.coming_soon))
                 }
             }

app/src/main/java/ru/fromchat/ui/chat/PublicChatScreen.kt

@@ -1,7 +1,6 @@
 package ru.fromchat.ui.chat
 
 import android.util.Log
-import androidx.compose.runtime.getValue
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
@@ -41,6 +40,7 @@ import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBar
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateListOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
@@ -58,16 +58,22 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
+import kotlinx.datetime.TimeZone
+import kotlinx.datetime.format
+import kotlinx.datetime.toLocalDateTime
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.decodeFromJsonElement
+import ru.fromchat.DATETIME_FORMAT
 import ru.fromchat.R
 import ru.fromchat.api.ApiClient
 import ru.fromchat.api.Message
 import ru.fromchat.api.WebSocketManager
 import ru.fromchat.api.apiRequest
 import ru.fromchat.ui.LocalNavController
+import kotlin.time.ExperimentalTime
+import kotlin.time.Instant
 
-@OptIn(ExperimentalMaterial3Api::class)
+@OptIn(ExperimentalMaterial3Api::class, ExperimentalTime::class)
 @Composable
 fun PublicChatScreen() {
     val navController = LocalNavController.current
@@ -221,10 +227,10 @@ fun PublicChatScreen() {
                         Modifier
                             .clip(
                                 RoundedCornerShape(
-                                    if (isAuthor) 16.dp else 5.dp,
+                                    topStart = if (isAuthor) 16.dp else 5.dp,
-                                    16.dp,
+                                    topEnd = 16.dp,
-                                    if (isAuthor) 5.dp else 16.dp,
+                                    bottomEnd = if (isAuthor) 5.dp else 16.dp,
-                                    16.dp
+                                    bottomStart = 16.dp
                                 )
                             )
                             .background(background)
@@ -260,7 +266,10 @@ fun PublicChatScreen() {
                     text = it.content,
                     isAuthor = it.username == ApiClient.user!!.username,
                     isRead = it.is_read,
-                    timestamp = it.timestamp
+                    timestamp = Instant
+                        .parse(it.utcTimestamp)
+                        .toLocalDateTime(TimeZone.currentSystemDefault())
+                        .format(DATETIME_FORMAT)
                 )
             }
         }

gradle/libs.versions.toml

@@ -1,15 +1,16 @@
 [versions]
-agp = "8.12.2"
+agp = "8.12.3"
 kotlin = "2.2.10"
 coreKtx = "1.17.0"
 junit = "4.13.2"
 junitVersion = "1.3.0"
 espressoCore = "3.7.0"
+kotlinxDatetime = "0.7.1"
 lifecycleRuntimeKtx = "2.9.3"
-activityCompose = "1.10.1"
+activityCompose = "1.11.0"
-composeBom = "2025.08.01"
+composeBom = "2025.09.00"
 materialIconsExtended = "1.7.8"
-navigationCompose = "2.9.3"
+navigationCompose = "2.9.4"
 ktor = "3.2.3"
 kotlinxSerializationJson = "1.9.0"
 
@@ -30,6 +31,7 @@ androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-man
 androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
 androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
 androidx-navigation-compose = { group = "androidx.navigation", name = "navigation-compose", version.ref = "navigationCompose" }
+kotlinx-datetime = { module = "org.jetbrains.kotlinx:kotlinx-datetime", version.ref = "kotlinxDatetime" }
 ktor-client-core = { group = "io.ktor", name = "ktor-client-core", version.ref = "ktor" }
 ktor-client-okhttp = { group = "io.ktor", name = "ktor-client-okhttp", version.ref = "ktor" }
 ktor-client-websockets = { group = "io.ktor", name = "ktor-client-websockets", version.ref = "ktor" }