新增日志导出选择

src-tauri/src/lib.rs

@@ -69,8 +69,9 @@ fn export_subtitles(
     state: tauri::State<'_, AppState>,
     task_id: String,
     format: String,
+    output_path: String,
 ) -> std::result::Result<String, String> {
-    task::export_task(state, task_id, format).map_err(error_to_string)
+    task::export_task(state, task_id, format, output_path).map_err(error_to_string)
 }
 
 #[tauri::command]

src-tauri/src/subtitle.rs

@@ -9,16 +9,6 @@ pub enum SubtitleFormat {
     Ass,
 }
 
-impl SubtitleFormat {
-    pub fn extension(&self) -> &'static str {
-        match self {
-            Self::Srt => "srt",
-            Self::Vtt => "vtt",
-            Self::Ass => "ass",
-        }
-    }
-}
-
 impl TryFrom<&str> for SubtitleFormat {
     type Error = anyhow::Error;
 

src-tauri/src/task.rs

@@ -8,7 +8,7 @@ use std::{
     time::Duration,
 };
 
-use anyhow::{Context, Result};
+use anyhow::Result;
 use tauri::{Emitter, Manager, Window};
 use uuid::Uuid;
 
@@ -740,24 +740,16 @@ pub fn export_task(
     state: tauri::State<'_, AppState>,
     task_id: String,
     format: String,
+    output_path: String,
 ) -> Result<String> {
     let task = state.get_task(&task_id)?;
     let format = SubtitleFormat::try_from(format.as_str())?;
     let content = render(&task.segments, format, task.bilingual_output);
 
-    let source_path = PathBuf::from(&task.file_path);
-    let stem = source_path
-        .file_stem()
-        .and_then(|item| item.to_str())
-        .unwrap_or("subtitle");
-
-    let output_dir = source_path
-        .parent()
-        .map(PathBuf::from)
-        .unwrap_or(std::env::current_dir().context("failed to get current directory")?);
-    fs::create_dir_all(&output_dir)?;
-
-    let output_path = output_dir.join(format!("{stem}.{}", format.extension()));
+    let output_path = PathBuf::from(output_path);
+    if let Some(output_dir) = output_path.parent() {
+        fs::create_dir_all(output_dir)?;
+    }
     fs::write(&output_path, content)?;
 
     Ok(output_path.display().to_string())

src/App.vue

@@ -2,7 +2,7 @@
 import { computed, onMounted, onUnmounted, ref, watch } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { invoke } from '@tauri-apps/api/core'
-import { open } from '@tauri-apps/plugin-dialog'
+import { open, save } from '@tauri-apps/plugin-dialog'
 import { listen, type UnlistenFn } from '@tauri-apps/api/event'
 import { getCurrentWebviewWindow } from '@tauri-apps/api/webviewWindow'
 import TaskQueue from './components/TaskQueue.vue'
@@ -281,9 +281,30 @@ async function handleFiles(event: Event) {
   input.value = ''
 }
 
+function getDefaultExportPath(filePath: string, format: 'srt' | 'vtt' | 'ass') {
+  const separatorIndex = Math.max(filePath.lastIndexOf('/'), filePath.lastIndexOf('\\'))
+  const directory = separatorIndex >= 0 ? filePath.slice(0, separatorIndex + 1) : ''
+  const fileName = separatorIndex >= 0 ? filePath.slice(separatorIndex + 1) : filePath
+  const stem = fileName.replace(/\.[^./\\]*$/, '') || 'subtitle'
+  return `${directory}${stem}.${format}`
+}
+
 async function handleExport(format: 'srt' | 'vtt' | 'ass') {
   if (!selectedTask.value) return
-  const output = await taskStore.exportTask(selectedTask.value.id, format)
+  const outputPath = await save({
+    title: t('app.exportSubtitles'),
+    defaultPath: getDefaultExportPath(selectedTask.value.filePath, format),
+    filters: [
+      {
+        name: format.toUpperCase(),
+        extensions: [format],
+      },
+    ],
+  })
+
+  if (!outputPath) return
+
+  const output = await taskStore.exportTask(selectedTask.value.id, format, outputPath)
   feedback.value = output
 }
 

src/stores/tasks.ts

@@ -170,8 +170,8 @@ export const useTaskStore = defineStore('tasks', {
       }
     },
 
-    async exportTask(taskId: string, format: ExportFormat) {
-      return invoke<string>('export_subtitles', { taskId, format })
+    async exportTask(taskId: string, format: ExportFormat, outputPath: string) {
+      return invoke<string>('export_subtitles', { taskId, format, outputPath })
     },
   },
 })