[feat] Task Statistics

app/src/main/java/com/acitelight/aether/service/FetchManager.kt

@@ -120,6 +120,10 @@ class FetchManager @Inject constructor(
     }
 
     suspend fun startVideoDownload(video: Video) {
+        if(getAllDownloadsAsync().any{
+            it.extras.getString("class", "") == video.klass && it.extras.getString("id", "") == video.id })
+            return
+
         makeFolder(video)
         File(
             context.getExternalFilesDir(null),

app/src/main/java/com/acitelight/aether/view/TransmissionScreen.kt

@@ -21,6 +21,8 @@ import androidx.compose.material.icons.filled.PlayArrow
 import androidx.compose.material3.Button
 import androidx.compose.material3.Card
 import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.DividerDefaults
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.LinearProgressIndicator
 import androidx.compose.material3.MaterialTheme
@@ -38,6 +40,7 @@ import androidx.compose.ui.unit.sp
 import androidx.hilt.lifecycle.viewmodel.compose.hiltViewModel
 import androidx.lifecycle.viewModelScope
 import androidx.navigation.NavHostController
+import androidx.room.util.TableInfo
 import coil3.compose.AsyncImage
 import coil3.request.ImageRequest
 import com.acitelight.aether.Global.updateRelate
@@ -51,6 +54,7 @@ import kotlinx.coroutines.withContext
 import kotlinx.serialization.json.Json
 import java.io.File
 import kotlin.collections.sortedWith
+import kotlin.math.abs
 
 @Composable
 fun TransmissionScreen(
@@ -58,11 +62,37 @@ fun TransmissionScreen(
     transmissionScreenViewModel: TransmissionScreenViewModel = hiltViewModel<TransmissionScreenViewModel>()
 ) {
     val downloads = transmissionScreenViewModel.downloads
+    Column()
+    {
+        Text(
+            text = "Video Tasks",
+            style = MaterialTheme.typography.headlineMedium,
+            modifier = Modifier.padding(8.dp).align(Alignment.Start)
+        )
+
+        Text(
+            text = "All: ${downloads.count { it.type == "main" }}",
+            modifier = Modifier.padding(horizontal = 8.dp).align(Alignment.Start),
+            fontSize = 12.sp,
+            lineHeight = 13.sp,
+            maxLines = 1
+        )
+
+        Text(
+            text = "Completed: ${downloads.count { it.type == "main" && it.status == Status.COMPLETED }}",
+            modifier = Modifier.padding(horizontal = 8.dp).align(Alignment.Start),
+            fontSize = 12.sp,
+            lineHeight = 13.sp,
+            maxLines = 1
+        )
+
+        HorizontalDivider(Modifier.padding(8.dp), 2.dp, DividerDefaults.color)
 
         LazyColumn(
             modifier = Modifier.fillMaxWidth(),
             verticalArrangement = Arrangement.spacedBy(8.dp)
-    ) {
+        )
+        {
             items(downloads.filter { it.type == "main" }, key = { it.id }) { item ->
                 VideoDownloadCard(
                     navigator = navigator,
@@ -95,6 +125,7 @@ fun TransmissionScreen(
                 )
             }
         }
+    }
 }
 
 
@@ -254,7 +285,7 @@ private fun VideoDownloadCard(
 
             // progress bar
             LinearProgressIndicator(
-                progress = { model.progress.coerceIn(0, 100) / 100f },
+                progress = { abs(model.progress).coerceIn(0, 100) / 100f },
                 modifier = Modifier
                     .fillMaxWidth()
                     .padding(top = 8.dp, bottom = 8.dp),

app/src/main/java/com/acitelight/aether/view/VideoScreen.kt

@@ -349,13 +349,14 @@ fun VideoCard(
                         {
                             videoScreenViewModel.download(i)
                         }
-                    }
                         Toast.makeText(
                             videoScreenViewModel.context,
                             "Start downloading ${video.video.group}",
                             Toast.LENGTH_SHORT
                         ).show()
                     }
+
+                }
             ),
         shape = RoundedCornerShape(6.dp),
     ) {

app/src/main/java/com/acitelight/aether/viewModel/VideoScreenViewModel.kt

@@ -36,7 +36,7 @@ import javax.inject.Singleton
 
 @HiltViewModel
 class VideoScreenViewModel @Inject constructor(
-    private val fetchManager: FetchManager,
+    val fetchManager: FetchManager,
     @ApplicationContext val context: Context,
     val mediaManager: MediaManager,
     val recentManager: RecentManager,
@@ -82,7 +82,9 @@ class VideoScreenViewModel @Inject constructor(
             videoLibrary.classesMap["Offline"] = mutableStateListOf<Video>()
 
             val downloaded = fetchManager.getAllDownloadsAsync().filter {
-                it.status == Status.COMPLETED && it.extras.getString("class", "") != "comic"
+                it.status == Status.COMPLETED &&
+                it.extras.getString("class", "") != "comic" &&
+                it.extras.getString("type", "") == "main"
             }
 
             val jsonQuery = downloaded.map{ File(