feat(gui): add task deletion menus

app/gui/tabs/apply.py

@@ -39,6 +39,7 @@ class ApplyTab(QWidget):
         status_callback=None,
         open_accounts_callback=None,
         open_settings_callback=None,
+        refresh_workflow_callback=None,
     ):
         super().__init__(parent)
         self.config = appconfig.load_config() if config is None else config
@@ -47,6 +48,7 @@ class ApplyTab(QWidget):
         self.status_callback = status_callback
         self.open_accounts_callback = open_accounts_callback
         self.open_settings_callback = open_settings_callback
+        self.refresh_workflow_callback = refresh_workflow_callback
         self.apply_worker = None
         self.apply_thread = None
         self.result_write_back_worker = None
@@ -357,18 +359,91 @@ class ApplyTab(QWidget):
 
     def show_task_context_menu(self, position):
         index = self.task_table.indexAt(position)
-        if index.isValid():
-            self.task_table.setCurrentIndex(index)
-        menu = QMenu(self)
+        if not index.isValid():
+            return
+        self.task_table.selectRow(index.row())
+        self.task_table.setCurrentIndex(index)
+        task = self.model.task_at(index.row())
+        if task is None:
+            return
+        menu = QMenu(self.task_table)
         reset_action = menu.addAction("重置更新状态")
         reset_action.setEnabled(
             self.apply_thread is None
             and self.result_write_back_thread is None
-            and self._selected_task() is not None
+            and getattr(task, "status", "") != "running"
         )
         reset_action.triggered.connect(self.reset_apply_status)
+        menu.addSeparator()
+        delete_action = menu.addAction("删除本条记录")
+        delete_action.setEnabled(
+            self.apply_thread is None
+            and self.result_write_back_thread is None
+            and getattr(task, "status", "") != "running"
+        )
+        delete_action.triggered.connect(self.delete_selected_task)
         menu.exec(self.task_table.viewport().mapToGlobal(position))
 
+    def delete_selected_task(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，不能删除记录", level="warning")
+            return
+        task = self._selected_task()
+        if task is None:
+            self._set_status("请选择要删除的记录", level="warning")
+            return
+        if getattr(task, "status", "") == "running":
+            self._set_status("任务正在处理，不能删除", level="warning")
+            return
+        batch = db.get_batch(task.batch_id, path=self.db_path)
+        batch_text = self._batch_label(batch) if batch is not None else task.batch_id
+        lines = [
+            "确定要删除本条本地记录吗？",
+            f"商品ID：{task.item_id}",
+            f"店铺：{self.model.account_name_for(task)}（{task.alias}）",
+            f"所属批次：{batch_text}",
+        ]
+        if int(getattr(task, "committed", 0) or 0) == 1:
+            lines.extend(
+                [
+                    "",
+                    "该商品已提交过蝦皮。本次仅删除本地记录，不会回滚蝦皮线上商品。",
+                ]
+            )
+        lines.extend(
+            [
+                "",
+                "删除后，该记录不会出现在①、②、③的列表、筛选、采集、生成、更新或回写范围。",
+                "不会删除原 Excel、本地图片或账号 Chrome 数据。",
+            ]
+        )
+        answer = QMessageBox.question(
+            self,
+            "删除本条记录",
+            "\n".join(lines),
+            QMessageBox.Yes | QMessageBox.No,
+            QMessageBox.No,
+        )
+        if answer != QMessageBox.Yes:
+            self._set_status("已取消删除本条记录")
+            return
+        try:
+            result = db.delete_task(
+                task.id,
+                reason="用户在更新蝦皮页删除单条记录",
+                path=self.db_path,
+            )
+        except Exception as exc:
+            QMessageBox.warning(self, "删除本条记录", str(exc))
+            self._set_status(f"删除本条记录失败：{exc}", level="danger")
+            return
+        self.refresh_tasks()
+        if self.refresh_workflow_callback is not None:
+            self.refresh_workflow_callback()
+        message = f"已删除本地记录：商品 {result['item_id']}"
+        self._set_status(message, level="success")
+        QMessageBox.information(self, "删除本条记录", message)
+
     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")