manager: template import/export

manager/app/src/main/java/me/weishu/kernelsu/ui/screen/Template.kt

@@ -1,5 +1,6 @@
 package me.weishu.kernelsu.ui.screen
 
+import android.widget.Toast
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
@@ -11,13 +12,17 @@ import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
 import androidx.compose.material.ExperimentalMaterialApi
 import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Add
 import androidx.compose.material.icons.filled.ArrowBack
-import androidx.compose.material.icons.filled.Create
+import androidx.compose.material.icons.filled.ImportExport
 import androidx.compose.material.icons.filled.Sync
 import androidx.compose.material.pullrefresh.PullRefreshIndicator
 import androidx.compose.material.pullrefresh.pullRefresh
 import androidx.compose.material.pullrefresh.rememberPullRefreshState
+import androidx.compose.material3.DropdownMenu
+import androidx.compose.material3.DropdownMenuItem
 import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.ExtendedFloatingActionButton
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.ListItem
@@ -27,10 +32,17 @@ import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBar
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalClipboardManager
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.AnnotatedString
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.ramcosta.composedestinations.annotation.Destination
 import com.ramcosta.composedestinations.navigation.DestinationsNavigator
@@ -71,18 +83,53 @@ fun AppProfileTemplateScreen(
 
     Scaffold(
         topBar = {
+            val clipboardManager = LocalClipboardManager.current
+            val context = LocalContext.current
+            val showToast = fun(msg: String) {
+                Toast.makeText(context, msg, Toast.LENGTH_SHORT).show()
+            }
             TopBar(onBack = { navigator.popBackStack() },
                 onSync = {
                     scope.launch { viewModel.fetchTemplates(true) }
                 },
-                onClickCreate = {
+                onImport = {
+                    clipboardManager.getText()?.text?.let {
+                        scope.launch {
+                            viewModel.importTemplates(it, {
+                                showToast(context.getString(R.string.app_profile_template_import_success))
+                                scope.launch {
+                                    viewModel.fetchTemplates(false)
+                                }
+                            }, showToast)
+                        }
+                    }
+                },
+                onExport = {
+                    scope.launch {
+                        viewModel.exportTemplates(
+                            {
+                                showToast(context.getString(R.string.app_profile_template_export_empty))
+                            }
+                        ) {
+                            clipboardManager.setText(AnnotatedString(it))
+                        }
+                    }
+                }
+            )
+        },
+        floatingActionButton = {
+            ExtendedFloatingActionButton(
+                onClick = {
                     navigator.navigate(
                         TemplateEditorScreenDestination(
                             TemplateViewModel.TemplateInfo(),
                             false
                         )
                     )
-                })
+                },
+                icon = { Icon(Icons.Filled.Add, null) },
+                text = { Text(stringResource(id = R.string.app_profile_template_create)) },
+            )
         },
     ) { innerPadding ->
         val refreshState = rememberPullRefreshState(
@@ -146,7 +193,12 @@ private fun TemplateItem(
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-private fun TopBar(onBack: () -> Unit, onSync: () -> Unit, onClickCreate: () -> Unit) {
+private fun TopBar(
+    onBack: () -> Unit,
+    onSync: () -> Unit = {},
+    onImport: () -> Unit = {},
+    onExport: () -> Unit = {}
+) {
     TopAppBar(
         title = {
             Text(stringResource(R.string.settings_profile_template))
@@ -158,10 +210,37 @@ private fun TopBar(onBack: () -> Unit, onSync: () -> Unit, onClickCreate: () ->
         },
         actions = {
             IconButton(onClick = onSync) {
-                Icon(Icons.Filled.Sync, contentDescription = null)
+                Icon(
+                    Icons.Filled.Sync,
+                    contentDescription = stringResource(id = R.string.app_profile_template_sync)
+                )
+            }
+
+            var showDropdown by remember { mutableStateOf(false) }
+            IconButton(onClick = {
+                showDropdown = true
+            }) {
+                Icon(
+                    imageVector = Icons.Filled.ImportExport,
+                    contentDescription = stringResource(id = R.string.app_profile_import_export)
+                )
+
+                DropdownMenu(expanded = showDropdown, onDismissRequest = {
+                    showDropdown = false
+                }) {
+                    DropdownMenuItem(text = {
+                        Text(stringResource(id = R.string.app_profile_import_from_clipboard))
+                    }, onClick = {
+                        onImport()
+                        showDropdown = false
+                    })
+                    DropdownMenuItem(text = {
+                        Text(stringResource(id = R.string.app_profile_export_to_clipboard))
+                    }, onClick = {
+                        onExport()
+                        showDropdown = false
+                    })
                 }
-            IconButton(onClick = onClickCreate) {
-                Icon(Icons.Filled.Create, contentDescription = null)
             }
         }
     )

manager/app/src/main/java/me/weishu/kernelsu/ui/screen/TemplateEditor.kt

@@ -1,5 +1,6 @@
 package me.weishu.kernelsu.ui.screen
 
+import android.widget.Toast
 import androidx.activity.compose.BackHandler
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxWidth
@@ -30,6 +31,7 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.ExperimentalComposeUiApi
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.pointer.pointerInteropFilter
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.platform.LocalSoftwareKeyboardController
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.input.ImeAction
@@ -45,6 +47,7 @@ import me.weishu.kernelsu.ui.util.deleteAppProfileTemplate
 import me.weishu.kernelsu.ui.util.getAppProfileTemplate
 import me.weishu.kernelsu.ui.util.setAppProfileTemplate
 import me.weishu.kernelsu.ui.viewmodel.TemplateViewModel
+import me.weishu.kernelsu.ui.viewmodel.toJSON
 import org.json.JSONArray
 import org.json.JSONObject
 
@@ -82,6 +85,8 @@ fun TemplateEditorScreen(
                 ""
             }
             val titleSummary = "${initialTemplate.id}$author$readOnlyHint"
+            val saveTemplateFailed = stringResource(id = R.string.app_profile_template_save_failed)
+            val context = LocalContext.current
 
             TopBar(
                 title = if (isCreation) {
@@ -102,6 +107,8 @@ fun TemplateEditorScreen(
                 onSave = {
                     if (saveTemplate(template, isCreation)) {
                         navigator.navigateBack(result = true)
+                    } else {
+                        Toast.makeText(context, saveTemplateFailed, Toast.LENGTH_SHORT).show()
                     }
                 })
         },
@@ -224,39 +231,9 @@ fun saveTemplate(template: TemplateViewModel.TemplateInfo, isCreation: Boolean =
         return false
     }
 
-    template.apply {
+    val json = template.toJSON()
-        val json = JSONObject().apply {
+    json.put("local", true)
-            put("id", id)
+    return setAppProfileTemplate(template.id, json.toString())
-            put("name", name.ifBlank { id })
-            put("description", description.ifBlank { id })
-            put("local", true)
-
-            put("uid", uid)
-            put("gid", gid)
-            put("groups", JSONArray().apply {
-                Groups.values().forEach { group ->
-                    if (group.gid in groups) {
-                        put(group.name)
-                    }
-                }
-            })
-            put("capabilities", JSONArray().apply {
-                Capabilities.values().forEach { capability ->
-                    if (capability.cap in capabilities) {
-                        put(capability.name)
-                    }
-                }
-            })
-            put("context", context)
-            put("namespace", Natives.Profile.Namespace.values()[namespace].name)
-            put("rules", JSONArray().apply {
-                rules.forEach { rule ->
-                    put(rule)
-                }
-            })
-        }
-        return setAppProfileTemplate(id, json.toString())
-    }
 }
 
 @OptIn(ExperimentalMaterial3Api::class)

manager/app/src/main/java/me/weishu/kernelsu/ui/viewmodel/TemplateViewModel.kt

@@ -85,6 +85,53 @@ class TemplateViewModel : ViewModel() {
             isRefreshing = false
         }
     }
+
+    suspend fun importTemplates(
+        templates: String,
+        onSuccess: () -> Unit,
+        onFailure: (String) -> Unit
+    ) {
+        withContext(Dispatchers.IO) {
+            runCatching {
+                JSONArray(templates)
+            }.getOrElse {
+                runCatching {
+                    val json = JSONObject(templates)
+                    JSONArray().apply { put(json) }
+                }.getOrElse {
+                    onFailure("invalid templates: $templates")
+                    return@withContext
+                }
+            }.let {
+                0.until(it.length()).forEach { i ->
+                    runCatching {
+                        val template = it.getJSONObject(i)
+                        val id = template.getString("id")
+                        template.put("local", true)
+                        setAppProfileTemplate(id, template.toString())
+                    }.onFailure { e ->
+                        Log.e(TAG, "ignore invalid template: $it", e)
+                    }
+                }
+                onSuccess()
+            }
+        }
+    }
+
+    suspend fun exportTemplates(onTemplateEmpty: () -> Unit, callback: (String) -> Unit) {
+        withContext(Dispatchers.IO) {
+            val templates = listAppProfileTemplates().mapNotNull(::getTemplateInfoById).filter {
+                it.local
+            }
+            templates.ifEmpty {
+                onTemplateEmpty()
+                return@withContext
+            }
+            JSONArray(templates.map {
+                it.toJSON()
+            }).toString().let(callback)
+        }
+    }
 }
 
 private fun fetchRemoteTemplates() {
@@ -205,6 +252,50 @@ private fun fromJSON(templateJson: JSONObject): TemplateViewModel.TemplateInfo?
     }.getOrNull()
 }
 
+fun TemplateViewModel.TemplateInfo.toJSON(): JSONObject {
+    val template = this
+    return JSONObject().apply {
+
+        put("id", template.id)
+        put("name", template.name.ifBlank { template.id })
+        put("description", template.description.ifBlank { template.id })
+        if (template.author.isNotEmpty()) {
+            put("author", template.author)
+        }
+        put("namespace", Natives.Profile.Namespace.values()[template.namespace].name)
+        put("uid", template.uid)
+        put("gid", template.gid)
+
+        if (template.groups.isNotEmpty()) {
+            put("groups", JSONArray(
+                Groups.values().filter {
+                    template.groups.contains(it.gid)
+                }.map {
+                    it.name
+                }
+            ))
+        }
+
+        if (template.capabilities.isNotEmpty()) {
+            put("capabilities", JSONArray(
+                Capabilities.values().filter {
+                    template.capabilities.contains(it.cap)
+                }.map {
+                    it.name
+                }
+            ))
+        }
+
+        if (template.context.isNotEmpty()) {
+            put("context", template.context)
+        }
+
+        if (template.rules.isNotEmpty()) {
+            put("rules", JSONArray(template.rules))
+        }
+    }
+}
+
 @Suppress("unused")
 fun generateTemplates() {
     val templateJson = JSONObject()

manager/app/src/main/res/values-zh-rCN/strings.xml

@@ -93,4 +93,11 @@
     <string name="app_profile_template_view">查看模版</string>
     <string name="app_profile_template_readonly">只读</string>
     <string name="app_profile_template_id_exist">模版 id 已存在！</string>
+    <string name="app_profile_import_export">导入/导出</string>
+    <string name="app_profile_import_from_clipboard">从剪切板导入</string>
+    <string name="app_profile_export_to_clipboard">导出到剪切板</string>
+    <string name="app_profile_template_export_empty">没有本地模版可以导出！</string>
+    <string name="app_profile_template_import_success">导入成功！</string>
+    <string name="app_profile_template_sync">同步在线规则</string>
+    <string name="app_profile_template_save_failed">模版保存失败！</string>
 </resources>

manager/app/src/main/res/values/strings.xml

@@ -95,4 +95,11 @@
     <string name="app_profile_template_view">View Template</string>
     <string name="app_profile_template_readonly">readonly</string>
     <string name="app_profile_template_id_exist">template id already exists!</string>
+    <string name="app_profile_import_export">Import/Export</string>
+    <string name="app_profile_import_from_clipboard">Import from clipboard</string>
+    <string name="app_profile_export_to_clipboard">Export to clipboard</string>
+    <string name="app_profile_template_export_empty">Can not find local template to export!</string>
+    <string name="app_profile_template_import_success">Imported successfully</string>
+    <string name="app_profile_template_sync">Sync online templates</string>
+    <string name="app_profile_template_save_failed">Failed to save template</string>
 </resources>