Redownload emoji search index if data is missing.

app/src/main/java/org/thoughtcrime/securesms/database/EmojiSearchTable.kt

@@ -3,6 +3,7 @@ package org.thoughtcrime.securesms.database
 import android.content.Context
 import android.text.TextUtils
 import androidx.core.content.contentValuesOf
+import org.signal.core.util.exists
 import org.signal.core.util.readToSingleInt
 import org.signal.core.util.requireInt
 import org.signal.core.util.requireNonNullString
@@ -104,6 +105,10 @@ class EmojiSearchTable(context: Context, databaseHelper: SignalDatabase) : Datab
     }
   }
 
+  fun hasSearchIndexData(): Boolean {
+    return readableDatabase.exists(TABLE_NAME).run()
+  }
+
   private fun SQLiteDatabase.insert(searchIndex: List<EmojiSearchData>) {
     for (searchData in searchIndex) {
       for (label in searchData.tags) {

app/src/main/java/org/thoughtcrime/securesms/jobs/EmojiSearchIndexDownloadJob.java

@@ -60,6 +60,13 @@ public final class EmojiSearchIndexDownloadJob extends BaseJob {
     long    timeSinceCheck = System.currentTimeMillis() - SignalStore.emoji().getLastSearchIndexCheck();
     boolean needsCheck     = false;
 
+    if (SignalStore.emoji().hasSearchIndex() && !SignalDatabase.emojiSearch().hasSearchIndexData()) {
+      Log.w(TAG, "Emoji search data missing with metadata, clearing version to redownload.");
+      SignalStore.emoji().clearSearchIndexVersion();
+      scheduleImmediately();
+      return;
+    }
+
     if (SignalStore.emoji().hasSearchIndex()) {
       needsCheck = timeSinceCheck > INTERVAL_WITH_INDEX;
     } else {

app/src/main/java/org/thoughtcrime/securesms/keyvalue/EmojiValues.java

@@ -135,6 +135,10 @@ public class EmojiValues extends SignalStoreValues {
               .apply();
   }
 
+  public void clearSearchIndexVersion() {
+    getStore().beginWrite().remove(SEARCH_VERSION).apply();
+  }
+
   public @Nullable String getSearchLanguage() {
     return getString(SEARCH_LANGUAGE, null);
   }