Added total traffic across all servers

app/src/main/java/org/sirekanyan/outline/api/model/Server.kt

@@ -4,6 +4,7 @@ import android.net.Uri
 import android.os.Parcelable
 import kotlinx.parcelize.Parcelize
 import org.sirekanyan.outline.db.model.ServerEntity
+import org.sirekanyan.outline.text.formatCount
 import org.sirekanyan.outline.text.formatTraffic
 
 fun createServerEntity(url: String, insecure: Boolean): Server =
@@ -21,6 +22,16 @@ fun Server.toEntity(): ServerEntity =
 fun List<Server>.toEntities(): List<ServerEntity> =
     map(Server::toEntity)
 
+fun List<Server>.getTotalBadgeText(isCount: Boolean): String? {
+    val totalCount = sumOf { it.count ?: 0 }
+    val totalTraffic = sumOf { it.traffic ?: 0 }
+    return if (totalCount > 0 && totalTraffic > 0) {
+        if (isCount) formatCount(totalCount) else formatTraffic(totalTraffic)
+    } else {
+        null
+    }
+}
+
 @Parcelize
 class Server(
     val id: String,
@@ -35,7 +46,7 @@ class Server(
 
     fun getBadgeText(isCount: Boolean): String? =
         if (isCount) {
-            count?.let { "$it ${if (it == 1L) "key" else "keys"}" }
+            count?.let(::formatCount)
         } else {
             traffic?.let(::formatTraffic)
         }

app/src/main/java/org/sirekanyan/outline/text/TrafficFormatter.kt → app/src/main/java/org/sirekanyan/outline/text/TextFormatter.kt

@@ -7,3 +7,6 @@ fun formatTraffic(bytes: Long): String =
         bytes > 1_000 -> "${bytes / 1000} kB"
         else -> "$bytes B"
     }
+
+fun formatCount(count: Long): String =
+    "$count ${if (count == 1L) "key" else "keys"}"

app/src/main/java/org/sirekanyan/outline/ui/DrawerContent.kt

@@ -26,6 +26,7 @@ import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
@@ -46,6 +47,7 @@ import org.sirekanyan.outline.HelloPage
 import org.sirekanyan.outline.MainState
 import org.sirekanyan.outline.R
 import org.sirekanyan.outline.SelectedPage
+import org.sirekanyan.outline.api.model.getTotalBadgeText
 import org.sirekanyan.outline.app
 import org.sirekanyan.outline.ext.rememberFlowAsState
 import org.sirekanyan.outline.isDebugBuild
@@ -77,9 +79,14 @@ private fun DrawerSheetContent(state: MainState, insets: PaddingValues) {
                 maxLines = 1,
                 overflow = TextOverflow.Ellipsis,
             )
-            if (servers.isNotEmpty()) {
+            val totalBadgeText by remember {
+                derivedStateOf {
+                    servers.getTotalBadgeText(isCountShown)
+                }
+            }
+            totalBadgeText?.let { badgeText ->
                 TextButton({ isCountShown = !isCountShown }, Modifier.padding(end = 24.dp)) {
-                    Text(if (isCountShown) "count" else "traffic")
+                    Text(badgeText)
                 }
             }
         }