From 9f466511eb190f2b4f4c6b576383558a9a71fa5b Mon Sep 17 00:00:00 2001
From: Varun Patil <radialapps@gmail.com>
Date: Sat, 30 Sep 2023 13:39:11 -0700
Subject: [PATCH] Add dry delete API

---
 app/src/main/java/gallery/memories/NativeX.kt     | 11 +++++++----
 .../gallery/memories/service/TimelineQuery.kt     | 15 ++++++++++++---
 2 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/app/src/main/java/gallery/memories/NativeX.kt b/app/src/main/java/gallery/memories/NativeX.kt
index c280b4e6..d51ac8c4 100644
--- a/app/src/main/java/gallery/memories/NativeX.kt
+++ b/app/src/main/java/gallery/memories/NativeX.kt
@@ -7,6 +7,7 @@ import android.webkit.JavascriptInterface
 import android.webkit.WebResourceRequest
 import android.webkit.WebResourceResponse
 import android.widget.Toast
+import androidx.media3.common.util.UnstableApi
 import gallery.memories.mapper.SystemImage
 import gallery.memories.service.AccountService
 import gallery.memories.service.DownloadService
@@ -16,7 +17,7 @@ import org.json.JSONArray
 import java.io.ByteArrayInputStream
 import java.net.URLDecoder
 
-class NativeX(private val mCtx: MainActivity) {
+@UnstableApi class NativeX(private val mCtx: MainActivity) {
     val TAG = NativeX::class.java.simpleName
 
     private var themeStored = false
@@ -60,7 +61,7 @@ class NativeX(private val mCtx: MainActivity) {
         val response = try {
             when (request.method) {
                 "GET" -> {
-                    routerGet(path)
+                    routerGet(request)
                 }
                 "OPTIONS" -> {
                     WebResourceResponse("text/plain", "UTF-8", ByteArrayInputStream("".toByteArray()))
@@ -191,7 +192,9 @@ class NativeX(private val mCtx: MainActivity) {
     }
 
     @Throws(Exception::class)
-    private fun routerGet(path: String): WebResourceResponse {
+    private fun routerGet(request: WebResourceRequest): WebResourceResponse {
+        val path = request.url.path ?: return makeErrorResponse()
+
         val parts = path.split("/").toTypedArray()
         return if (path.matches(API.DAYS)) {
             makeResponse(query.getDays())
@@ -200,7 +203,7 @@ class NativeX(private val mCtx: MainActivity) {
         } else if (path.matches(API.IMAGE_INFO)) {
             makeResponse(query.getImageInfo(parts[4].toLong()))
         } else if (path.matches(API.IMAGE_DELETE)) {
-            makeResponse(query.delete(parseIds(parts[4])))
+            makeResponse(query.delete(parseIds(parts[4]), request.url.getBooleanQueryParameter("dry", false)))
         } else if (path.matches(API.IMAGE_PREVIEW)) {
             makeResponse(image.getPreview(parts[3].toLong()), "image/jpeg")
         } else if (path.matches(API.IMAGE_FULL)) {
diff --git a/app/src/main/java/gallery/memories/service/TimelineQuery.kt b/app/src/main/java/gallery/memories/service/TimelineQuery.kt
index dc2506b2..2d050523 100644
--- a/app/src/main/java/gallery/memories/service/TimelineQuery.kt
+++ b/app/src/main/java/gallery/memories/service/TimelineQuery.kt
@@ -171,7 +171,7 @@ class TimelineQuery(private val mCtx: MainActivity) {
     }
 
     @Throws(Exception::class)
-    fun delete(auids: List<Long>): JSONObject {
+    fun delete(auids: List<Long>, dry: Boolean): JSONObject {
         synchronized(this) {
             if (deleting) {
                 throw Exception("Already deleting another set of images")
@@ -179,10 +179,19 @@ class TimelineQuery(private val mCtx: MainActivity) {
             deleting = true
         }
 
+        val response = Response.OK
+
         try {
             // Get list of file IDs
             val photos = mPhotoDao.getPhotosByAUIDs(auids)
-            if (photos.isEmpty()) return Response.OK
+
+            // Let the UI know how many files we are deleting
+            response.put("count", photos.size)
+            // Let the UI know if we are going to ask for confirmation
+            response.put("confirms", Build.VERSION.SDK_INT >= Build.VERSION_CODES.R)
+
+            if (dry || photos.isEmpty()) return response
+
             val fileIds = photos.map { it.localId }
 
             // List of URIs
@@ -222,7 +231,7 @@ class TimelineQuery(private val mCtx: MainActivity) {
             synchronized(this) { deleting = false }
         }
 
-        return Response.OK
+        return response
     }
 
     private fun syncDb(startTime: Long): Int {