Upgrade db, add foreign key for download label

app/src/main/java/com/hippo/ehviewer/EhDB.kt

@@ -247,8 +247,8 @@ object EhDB {
             context.deleteDatabase(ehExportName)
         } use { newDb ->
             db.galleryDao().list().let { newDb.galleryDao().insertOrIgnore(it) }
-            db.downloadsDao().list().let { newDb.downloadsDao().insert(it) }
             db.downloadLabelDao().list().let { newDb.downloadLabelDao().insert(it) }
+            db.downloadsDao().list().let { newDb.downloadsDao().insert(it) }
             db.downloadDirnameDao().list().let { newDb.downloadDirnameDao().insert(it) }
             db.historyDao().list().let { newDb.historyDao().insertOrIgnore(it) }
             db.quickSearchDao().list().let { newDb.quickSearchDao().insert(it) }

app/src/main/java/com/hippo/ehviewer/dao/Database.kt

@@ -108,8 +108,8 @@ class ThumbKeyMigration : AutoMigrationSpec {
 }
 
 @Database(
-    entities = [BaseGalleryInfo::class, DownloadEntity::class, DownloadLabel::class, DownloadDirname::class, Filter::class, HistoryInfo::class, LocalFavoriteInfo::class, QuickSearch::class],
-    version = 15,
+    entities = [BaseGalleryInfo::class, DownloadLabel::class, DownloadEntity::class, DownloadDirname::class, Filter::class, HistoryInfo::class, LocalFavoriteInfo::class, QuickSearch::class],
+    version = 16,
     exportSchema = true,
     autoMigrations = [
         AutoMigration(
@@ -163,6 +163,10 @@ class ThumbKeyMigration : AutoMigrationSpec {
             from = 14,
             to = 15,
         ),
+        AutoMigration(
+            from = 15,
+            to = 16,
+        ),
     ],
 )
 @TypeConverters(FilterModeConverter::class)

app/src/main/java/com/hippo/ehviewer/dao/DownloadInfo.kt

@@ -12,7 +12,19 @@ import com.hippo.ehviewer.client.data.BaseGalleryInfo
 import com.hippo.ehviewer.client.data.GalleryInfo
 import java.time.Instant
 
-@Entity(tableName = "DOWNLOADS", foreignKeys = [ForeignKey(BaseGalleryInfo::class, ["GID"], ["GID"])])
+@Entity(
+    tableName = "DOWNLOADS",
+    foreignKeys = [
+        ForeignKey(BaseGalleryInfo::class, ["GID"], ["GID"]),
+        ForeignKey(
+            DownloadLabel::class,
+            ["LABEL"],
+            ["LABEL"],
+            onDelete = ForeignKey.SET_NULL,
+            onUpdate = ForeignKey.CASCADE,
+        ),
+    ],
+)
 class DownloadEntity(
     @PrimaryKey
     @ColumnInfo(name = "GID")
@@ -27,7 +39,7 @@ class DownloadEntity(
     @ColumnInfo(name = "TIME")
     override var time: Long = Instant.now().toEpochMilli(),
 
-    @ColumnInfo(name = "LABEL")
+    @ColumnInfo(name = "LABEL", index = true)
     override var label: String? = null,
 
     @ColumnInfo(name = "POSITION")

app/src/main/java/com/hippo/ehviewer/download/DownloadManager.kt

@@ -708,8 +708,6 @@ object DownloadManager : OnSpiderListener {
         // Update info label
         for (info in list) {
             info.label = to
-            // Update in DB
-            EhDB.putDownloadInfo(info)
         }
         // Put list back with new label
         map[to] = list
@@ -736,8 +734,6 @@ object DownloadManager : OnSpiderListener {
         // Update info label
         for (info in list) {
             info.label = null
-            // Update in DB
-            EhDB.putDownloadInfo(info)
             defaultInfoList.add(info)
         }