handle upload file, improve asset ui, fix messages

V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/UserAssetActivity.kt

@@ -15,6 +15,7 @@ import androidx.activity.result.contract.ActivityResultContracts
 import androidx.lifecycle.lifecycleScope
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
+import com.google.gson.Gson
 import com.tbruyelle.rxpermissions.RxPermissions
 import com.tencent.mmkv.MMKV
 import com.v2ray.ang.AppConfig
@@ -117,13 +118,27 @@ class UserAssetActivity : BaseActivity() {
     }
 
     private val chooseFile =
-        registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
+        registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { it ->
             val uri = it.data?.data
             if (it.resultCode == RESULT_OK && uri != null) {
+                val assetId = Utils.getUuid()
                 try {
+                    val assetItem = AssetUrlItem(
+                        getCursorName(uri) ?: uri.toString(),
+                        "file"
+                    )
+
+                    // check remarks unique
+                    val assetList = MmkvManager.decodeAssetUrls()
+                    if (assetList.any { it.second.remarks == assetItem.remarks && it.first != assetId }) {
+                        toast(R.string.msg_remark_is_duplicate)
+                        return@registerForActivityResult
+                    }
+                    assetStorage?.encode(assetId, Gson().toJson(assetItem))
                     copyFile(uri)
                 } catch (e: Exception) {
                     toast(R.string.toast_asset_copy_failed)
+                    MmkvManager.removeAssetUrl(assetId)
                 }
             }
         }
@@ -252,7 +267,7 @@ class UserAssetActivity : BaseActivity() {
                 holder.itemUserAssetBinding.layoutEdit.visibility = GONE
                 holder.itemUserAssetBinding.layoutRemove.visibility = GONE
             } else {
-                holder.itemUserAssetBinding.layoutEdit.visibility = VISIBLE
+                holder.itemUserAssetBinding.layoutEdit.visibility = item.second.url.let { if (it == "file") GONE else VISIBLE }
                 holder.itemUserAssetBinding.layoutRemove.visibility = VISIBLE
             }
 
@@ -262,7 +277,7 @@ class UserAssetActivity : BaseActivity() {
                 startActivity(intent)
             }
             holder.itemUserAssetBinding.layoutRemove.setOnClickListener {
-//                file.delete()
+                file?.delete()
                 MmkvManager.removeAssetUrl(item.first)
                 binding.recyclerView.adapter?.notifyItemRemoved(position)
             }

V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/UserAssetUrlActivity.kt

@@ -13,6 +13,7 @@ import com.v2ray.ang.dto.AssetUrlItem
 import com.v2ray.ang.extension.toast
 import com.v2ray.ang.util.MmkvManager
 import com.v2ray.ang.util.Utils
+import java.io.File
 
 class UserAssetUrlActivity : BaseActivity() {
     private lateinit var binding: ActivityUserAssetUrlBinding
@@ -20,6 +21,7 @@ class UserAssetUrlActivity : BaseActivity() {
     var del_config: MenuItem? = null
     var save_config: MenuItem? = null
 
+    val extDir by lazy { File(Utils.userAssetPath(this)) }
     private val assetStorage by lazy { MMKV.mmkvWithID(MmkvManager.ID_ASSET, MMKV.MULTI_PROCESS_MODE) }
     private val editAssetId by lazy { intent.getStringExtra("assetId").orEmpty() }
 
@@ -65,6 +67,12 @@ class UserAssetUrlActivity : BaseActivity() {
         var assetId = editAssetId
         if (!json.isNullOrBlank()) {
             assetItem = Gson().fromJson(json, AssetUrlItem::class.java)
+
+            // remove file associated with the asset
+            val file = extDir.resolve(assetItem.remarks)
+            if (file.exists()) {
+                file.delete()
+            }
         } else {
             assetId = Utils.getUuid()
             assetItem = AssetUrlItem()
@@ -73,6 +81,14 @@ class UserAssetUrlActivity : BaseActivity() {
         assetItem.remarks = binding.etRemarks.text.toString()
         assetItem.url = binding.etUrl.text.toString()
 
+        // check remarks unique
+        val assetList = MmkvManager.decodeAssetUrls()
+        if (assetList.any { it.second.remarks == assetItem.remarks && it.first != assetId }) {
+            toast(R.string.msg_remark_is_duplicate)
+            return false
+        }
+
+
         if (TextUtils.isEmpty(assetItem.remarks)) {
             toast(R.string.sub_setting_remarks)
             return false