feat(apply): open product page on left double click

app/gui/tabs/apply.py

@@ -2,10 +2,16 @@
 
 from __future__ import annotations
 
+from PySide6.QtCore import QModelIndex, Signal
+
 from ... import product_status
 from ..models import ApplyTaskTableModel
 from ..widgets import *
-from ..workers import ApplyWorker as _RealApplyWorker, WriteBackWorker as _RealWriteBackWorker
+from ..workers import (
+    ApplyWorker as _RealApplyWorker,
+    ProductTabOpenWorker as _RealProductTabOpenWorker,
+    WriteBackWorker as _RealWriteBackWorker,
+)
 
 
 def ApplyWorker(*args, **kwargs):
@@ -15,6 +21,27 @@ def ApplyWorker(*args, **kwargs):
 def WriteBackWorker(*args, **kwargs):
     return _call_package_attr("WriteBackWorker", _RealWriteBackWorker, *args, **kwargs)
 
+
+def ProductTabOpenWorker(*args, **kwargs):
+    return _call_package_attr(
+        "ProductTabOpenWorker", _RealProductTabOpenWorker, *args, **kwargs
+    )
+
+
+class _ApplyTaskTableView(QTableView):
+    """任务表仅向外发出左键双击事件，供人工查看商品页。"""
+
+    leftDoubleClicked = Signal(QModelIndex)
+
+    def mouseDoubleClickEvent(self, event):
+        super().mouseDoubleClickEvent(event)
+        if event.button() != Qt.LeftButton:
+            return
+        index = self.indexAt(event.position().toPoint())
+        if index.isValid():
+            self.leftDoubleClicked.emit(index)
+
+
 class ApplyTab(QWidget):
     """Tab 3: list generated tasks and confirm the update scope."""
 
@@ -53,6 +80,8 @@ class ApplyTab(QWidget):
         self.apply_thread = None
         self.result_write_back_worker = None
         self.result_write_back_thread = None
+        self.product_tab_open_worker = None
+        self.product_tab_open_thread = None
         self.last_apply_summary = None
 
         self.batch_filter = QComboBox()
@@ -95,7 +124,7 @@ class ApplyTab(QWidget):
         ) = _build_empty_state_card("applyEmptyStateCard")
         if self.open_accounts_callback is not None:
             self.empty_state_button.clicked.connect(self.open_accounts_callback)
-        self.task_table = QTableView()
+        self.task_table = _ApplyTaskTableView()
         self.model = ApplyTaskTableModel(self.task_table)
         self.task_table.setModel(self.model)
         self.task_table.setSelectionBehavior(QAbstractItemView.SelectRows)
@@ -168,6 +197,7 @@ class ApplyTab(QWidget):
         self.update_mode_combo.currentIndexChanged.connect(self._on_update_mode_changed)
         self.stop_update_button.clicked.connect(self.stop_update)
         self.reset_update_button.clicked.connect(self.reset_apply_status)
+        self.task_table.leftDoubleClicked.connect(self.open_or_focus_selected_product)
         self.task_table.customContextMenuRequested.connect(self.show_task_context_menu)
         self.write_back_button.clicked.connect(self.write_back_results)
 
@@ -444,6 +474,59 @@ class ApplyTab(QWidget):
         self._set_status(message, level="success")
         QMessageBox.information(self, "删除本条记录", message)
 
+    def open_or_focus_selected_product(self, index):
+        if self.apply_thread is not None or self.result_write_back_thread is not None:
+            self._set_status("更新或回写正在进行，暂不能打开商品详情页", level="warning")
+            return
+        if self.product_tab_open_thread is not None:
+            self._set_status("正在打开商品详情页，请稍候", level="info")
+            return
+        if not index.isValid():
+            self._set_status("请选择要查看的商品记录", level="warning")
+            return
+        self.task_table.selectRow(index.row())
+        self.task_table.setCurrentIndex(index)
+        task = self.model.task_at(index.row())
+        if task is None:
+            self._set_status("未找到要查看的商品记录", level="warning")
+            return
+        worker = ProductTabOpenWorker(
+            task.alias,
+            task.item_id,
+            db_path=self.db_path,
+            config=self.config,
+        )
+        worker.finished.connect(self._on_product_tab_open_finished)
+        worker.failed.connect(self._on_product_tab_open_failed)
+        thread = run_worker(worker, thread_name="ProductTabOpenWorker", start=False)
+        thread.finished.connect(lambda: self._forget_product_tab_open_thread(thread))
+        self.product_tab_open_worker = worker
+        self.product_tab_open_thread = thread
+        self._set_status(f"正在打开商品 {task.item_id} 的详情页...", level="info")
+        thread.start()
+
+    def _on_product_tab_open_finished(self, payload):
+        if not payload.get("ok"):
+            self._set_status(
+                payload.get("message") or "打开商品详情页失败，请检查账号登录状态。",
+                level="warning",
+            )
+            return
+        action = "已打开新页面" if payload.get("created") else "已聚焦现有页面"
+        account_name = payload.get("account_name") or payload.get("alias") or "账号"
+        self._set_status(
+            f"商品 {payload.get('item_id')}：{account_name}{action}",
+            level="success",
+        )
+
+    def _on_product_tab_open_failed(self, task_id, error):
+        self._set_status("打开商品详情页失败，请检查账号 Chrome 和登录状态。", level="danger")
+
+    def _forget_product_tab_open_thread(self, thread):
+        if self.product_tab_open_thread is thread:
+            self.product_tab_open_thread = None
+            self.product_tab_open_worker = None
+
     def reset_apply_status(self, checked=False):
         if self.apply_thread is not None or self.result_write_back_thread is not None:
             self._set_status("更新或回写正在进行，不能重置")