From 95cc7a409c08c6b999e3497b7bdab3969d55c666 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Rebelo?= <joserebelo@outlook.com>
Date: Sun, 8 Feb 2026 15:56:22 +0000
Subject: [PATCH] Debug: Add button to clear database table

---
 .../debug/DatabaseTableDebugFragment.kt       | 58 ++++++++++++++-----
 .../xml/debug_preferences_database_table.xml  |  8 +++
 2 files changed, 51 insertions(+), 15 deletions(-)

diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/debug/DatabaseTableDebugFragment.kt b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/debug/DatabaseTableDebugFragment.kt
index 254fd9af0d..24e34afb0b 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/debug/DatabaseTableDebugFragment.kt
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/debug/DatabaseTableDebugFragment.kt
@@ -59,24 +59,12 @@ class DatabaseTableDebugFragment : AbstractDebugFragment() {
 
         preferenceScreen?.title = tableName
 
-        try {
-            GBApplication.acquireDB().use { db ->
-                val cursor = db.database.rawQuery(
-                    "SELECT COUNT(*) as \"count\" FROM $tableName;",
-                    null
-                )
-
-                cursor.use {
-                    it.moveToNext()
-                    findPreference<Preference>(PREF_DEBUG_DATABASE_COUNT)?.summary = it.getInt(it.getColumnIndexOrThrow("count")).toString()
-                }
-            }
-        } catch (e: Exception) {
-            GB.log("Error accessing database", GB.ERROR, e)
-        }
+        loadTableCount(tableName)
 
         onClick(PREF_DEBUG_EXPORT_TABLE) { startTableExport(tableName) }
 
+        onClick(PREF_DEBUG_CLEAR_TABLE) { clearTable(tableName) }
+
         onClick(PREF_DEBUG_DROP_TABLE) { dropTable(tableName) }
 
         val ddl = getTableDdl(tableName)
@@ -105,6 +93,24 @@ class DatabaseTableDebugFragment : AbstractDebugFragment() {
         findPreference<PreferenceCategory>(PREF_HEADER_SQL)?.addPreference(pref)
     }
 
+    private fun loadTableCount(tableName: String) {
+        try {
+            GBApplication.acquireDB().use { db ->
+                val cursor = db.database.rawQuery(
+                    "SELECT COUNT(*) as \"count\" FROM $tableName;",
+                    null
+                )
+
+                cursor.use {
+                    it.moveToNext()
+                    findPreference<Preference>(PREF_DEBUG_DATABASE_COUNT)?.summary = it.getInt(it.getColumnIndexOrThrow("count")).toString()
+                }
+            }
+        } catch (e: Exception) {
+            GB.log("Error accessing database", GB.ERROR, e)
+        }
+    }
+
     private fun getTableDdl(tableName: String): String {
         try {
             GBApplication.acquireDB().use { db ->
@@ -428,6 +434,27 @@ class DatabaseTableDebugFragment : AbstractDebugFragment() {
         }
     }
 
+    private fun clearTable(tableName: String) {
+        MaterialAlertDialogBuilder(requireContext())
+            .setCancelable(true)
+            .setIcon(R.drawable.ic_warning)
+            .setTitle("Clear $tableName")
+            .setMessage("Clear $tableName? All data in this table will be deleted.")
+            .setPositiveButton(R.string.Delete) { _, _ ->
+                try {
+                    GBApplication.acquireDB().use { db ->
+                        db.database.execSQL("DELETE FROM $tableName;")
+                    }
+                    loadTableCount(tableName)
+                    GB.toast("Table cleared", Toast.LENGTH_LONG, GB.INFO)
+                } catch (e: Exception) {
+                    GB.toast("Failed to clear table", Toast.LENGTH_LONG, GB.ERROR, e)
+                }
+            }
+            .setNegativeButton(R.string.Cancel) { _, _ -> }
+            .show()
+    }
+
     private fun dropTable(tableName: String) {
         MaterialAlertDialogBuilder(requireContext())
             .setCancelable(true)
@@ -455,6 +482,7 @@ class DatabaseTableDebugFragment : AbstractDebugFragment() {
         private const val PREF_DEBUG_DATABASE_COUNT = "pref_debug_database_count"
         private const val PREF_DEBUG_EXPORT_TABLE = "pref_debug_export_table"
         private const val PREF_HEADER_DANGEROUS_ACTIONS = "pref_header_dangerous_actions"
+        private const val PREF_DEBUG_CLEAR_TABLE = "pref_debug_clear_table"
         private const val PREF_DEBUG_DROP_TABLE = "pref_debug_drop_table"
         private const val PREF_HEADER_SQL = "pref_header_sql"
     }
diff --git a/app/src/main/res/xml/debug_preferences_database_table.xml b/app/src/main/res/xml/debug_preferences_database_table.xml
index 26f674ae80..5c03a1bd79 100644
--- a/app/src/main/res/xml/debug_preferences_database_table.xml
+++ b/app/src/main/res/xml/debug_preferences_database_table.xml
@@ -28,6 +28,14 @@
             android:persistent="false"
             android:title="@string/dangerous_actions" />
 
+        <Preference
+            android:dependency="dangerous_actions"
+            android:icon="@drawable/ic_delete"
+            android:key="pref_debug_clear_table"
+            android:persistent="false"
+            android:summary="Warning! By pushing this button all data from the table will be deleted."
+            android:title="Clear table" />
+
         <Preference
             android:dependency="dangerous_actions"
             android:icon="@drawable/ic_delete_forever"