fix(bulletin): 修复公告栏系统多项逻辑缺陷与线程安全隐患

Co-Authored-By: Claude <noreply@anthropic.com>

src/gui/ALBulletinDialog.py

@@ -130,7 +130,11 @@ class ALBulletinItemWidget(QWidget):
         self.ItemWidgetLayout.addLayout(self.BulletinTitleLayout)
         self.BulletinInfoLayout = QHBoxLayout()
         self.BulletinDateLabel = QLabel()
-        date_time = datetime.fromisoformat(self.__bulletin.get("dateTime", ""))
+        try:
+            raw_dt = self.__bulletin.get("dateTime", "")
+            date_time = datetime.fromisoformat(raw_dt) if raw_dt else datetime.now()
+        except (ValueError, TypeError):
+            date_time = datetime.now()
         self.BulletinDateLabel.setText(date_time.strftime("%Y-%m-%d %H:%M:%S"))
         self.BulletinDateLabel.setStyleSheet("color: #969696; font-size: 11px;")
         self.BulletinInfoLayout.addWidget(self.BulletinDateLabel)
@@ -258,7 +262,11 @@ class ALBulletinDialog(QDialog, Ui_ALBulletinDialog):
     ):
 
         self.BulletinTitleLabel.setText(bulletin.get("title", "无标题"))
-        date_time = datetime.fromisoformat(bulletin.get("dateTime", ""))
+        try:
+            raw_dt = bulletin.get("dateTime", "")
+            date_time = datetime.fromisoformat(raw_dt) if raw_dt else datetime.now()
+        except (ValueError, TypeError):
+            date_time = datetime.now()
         self.BulletinDateLabel.setText(date_time.strftime("%Y-%m-%d %H:%M:%S"))
         self.BulletinAuthorLabel.setText(bulletin.get("author", "未知"))
         if bulletin.get("isEdited", False):
@@ -306,12 +314,15 @@ class ALBulletinDialog(QDialog, Ui_ALBulletinDialog):
         data: dict
     ):
 
-        if self.__fetch_worker:
+        worker = self.sender()
-            self.__fetch_worker.wait(2000)
+        if worker is not self.__fetch_worker:
-            self.__fetch_worker.fetchWorkerIsFinished.disconnect(self.onBulletinsFetched)
+            return
-            self.__fetch_worker.fetchWorkerFinishedWithError.disconnect(self.onBulletinsFetchError)
+        worker.fetchWorkerIsFinished.disconnect(self.onBulletinsFetched)
-            self.__fetch_worker.deleteLater()
+        worker.fetchWorkerFinishedWithError.disconnect(self.onBulletinsFetchError)
+        worker.wait(2000)
+        worker.deleteLater()
         self.__fetch_worker = None
+
         bulletins = data.get("bulletins", [])
         delete_ids = data.get("delete_ids", [])
         merged = self.__bulletin_mgr.updateAndMergeBulletins(bulletins, delete_ids)
@@ -336,12 +347,15 @@ class ALBulletinDialog(QDialog, Ui_ALBulletinDialog):
         error_message: str
     ):
 
-        if self.__fetch_worker:
+        worker = self.sender()
-            self.__fetch_worker.wait(2000)
+        if worker is not self.__fetch_worker:
-            self.__fetch_worker.fetchWorkerIsFinished.disconnect(self.onBulletinsFetched)
+            return
-            self.__fetch_worker.fetchWorkerFinishedWithError.disconnect(self.onBulletinsFetchError)
+        worker.fetchWorkerIsFinished.disconnect(self.onBulletinsFetched)
-            self.__fetch_worker.deleteLater()
+        worker.fetchWorkerFinishedWithError.disconnect(self.onBulletinsFetchError)
+        worker.wait(2000)
+        worker.deleteLater()
         self.__fetch_worker = None
+
         self.SyncButton.setEnabled(True)
         self.SyncButton.setText("重试")
         self.ALSyncStatusLabel.status = ALStatusLabel.Status.FAILURE
@@ -376,6 +390,7 @@ class ALBulletinDialog(QDialog, Ui_ALBulletinDialog):
         if bulletin.get("isNew", False):
             bulletin["isNew"] = False
             widget = self.BulletinListWidget.itemWidget(item)
+            if widget:
                 widget.markAsRead()
             item.setData(Qt.UserRole, bulletin)
             self.__bulletin_mgr.markBulletinAsRead(bulletin["id"])

src/gui/ALBulletinPoller.py

@@ -42,12 +42,14 @@ class ALBulletinPoller(QObject):
         self.__timer.timeout.connect(self.__poll)
         self.__worker = None
         self.__dialog_open = False
+        self.__stopped = False
         self.__mgr = bulletinInstance()
 
     def start(
         self
     ):
 
+        self.__stopped = False
         interval_ms = self.__mgr.syncInterval()*60*1000
         self.__timer.start(interval_ms)
 
@@ -55,6 +57,7 @@ class ALBulletinPoller(QObject):
         self
     ):
 
+        self.__stopped = True
         self.__timer.stop()
         self.__cleanupWorker()
 
@@ -88,6 +91,31 @@ class ALBulletinPoller(QObject):
 
         self.__dialog_open = open
 
+    def __disconnectWorker(
+        self,
+        worker: ALBulletinFetchWorker
+    ):
+
+        try:
+            worker.fetchWorkerIsFinished.disconnect(self.__onFetched)
+        except (TypeError, RuntimeError):
+            pass
+        try:
+            worker.fetchWorkerFinishedWithError.disconnect(self.__onError)
+        except (TypeError, RuntimeError):
+            pass
+
+    def __cleanupWorker(
+        self
+    ):
+
+        if self.__worker is None:
+            return
+        self.__disconnectWorker(self.__worker)
+        self.__worker.wait(2000)
+        self.__worker.deleteLater()
+        self.__worker = None
+
     def __doFetch(
         self
     ):
@@ -117,21 +145,28 @@ class ALBulletinPoller(QObject):
         data: dict
     ):
 
-        if self.__worker is None:
+        worker = self.sender()
+        if worker is not self.__worker:
             return
-        self.__worker.fetchWorkerIsFinished.disconnect(self.__onFetched)
+        self.__disconnectWorker(worker)
-        self.__worker.fetchWorkerFinishedWithError.disconnect(self.__onError)
+        worker.wait(2000)
-        self.__worker.wait(2000)
+        worker.deleteLater()
-        self.__worker.deleteLater()
         self.__worker = None
-        old_ids = {b["id"] for b in self.__mgr.bulletins()}
+        old_ids = {str(b.get("id", "")) for b in self.__mgr.bulletins()}
         bulletins = data.get("bulletins", [])
         delete_ids = data.get("delete_ids", [])
         self.__mgr.updateAndMergeBulletins(bulletins, delete_ids)
         self.__mgr.setLastSyncTime(datetime.now().astimezone().isoformat())
-        new_ids = {b["id"] for b in bulletins if b["id"] not in old_ids}
+        delete_id_set = {str(d) for d in delete_ids}
+        new_ids = {
+            str(b.get("id", ""))
+            for b in bulletins
+            if str(b.get("id", "")) and str(b.get("id", "")) not in old_ids
+        }
+        new_ids -= delete_id_set
         if new_ids:
             self.newBulletinsDetected.emit(len(new_ids))
+        if not self.__stopped:
             interval_ms = self.__mgr.syncInterval()*60*1000
             self.__timer.start(interval_ms)
 
@@ -141,30 +176,13 @@ class ALBulletinPoller(QObject):
         error_message: str
     ):
 
-        if self.__worker is None:
+        worker = self.sender()
+        if worker is not self.__worker:
             return
-        self.__worker.fetchWorkerIsFinished.disconnect(self.__onFetched)
+        self.__disconnectWorker(worker)
-        self.__worker.fetchWorkerFinishedWithError.disconnect(self.__onError)
+        worker.wait(2000)
-        self.__worker.wait(2000)
+        worker.deleteLater()
-        self.__worker.deleteLater()
         self.__worker = None
+        if not self.__stopped:
             interval_ms = self.__mgr.syncInterval()*60*1000
             self.__timer.start(interval_ms)
-
-    def __cleanupWorker(
-        self
-    ):
-
-        if self.__worker is None:
-            return
-        try:
-            self.__worker.fetchWorkerIsFinished.disconnect()
-        except (TypeError, RuntimeError):
-            pass
-        try:
-            self.__worker.fetchWorkerFinishedWithError.disconnect()
-        except (TypeError, RuntimeError):
-            pass
-        self.__worker.wait(2000)
-        self.__worker.deleteLater()
-        self.__worker = None

src/gui/ALSettingsWidget.py

@@ -458,33 +458,65 @@ class ALSettingsWidget(CenterOnParentMixin, QWidget, Ui_ALSettingsWidget):
             self.BulletinTestStatusLabel.setText("请先输入服务器地址。")
             self.BulletinTestStatusLabel.setStyleSheet("color: red;")
             return
+        if hasattr(self, '__bulletin_test_worker') and self.__bulletin_test_worker is not None:
+            return
         self.BulletinTestButton.setEnabled(False)
         self.BulletinTestStatusLabel.setText("正在测试连接...")
         self.BulletinTestStatusLabel.setStyleSheet("")
-        try:
+        self.__bulletin_test_t0 = time.monotonic()
+        from gui.ALBulletinDialog import ALBulletinFetchWorker
         api_url = url.rstrip("/") + "/bulletins"
-            t0 = time.monotonic()
+        self.__bulletin_test_worker = ALBulletinFetchWorker(
-            response = requests.get(api_url, timeout=5)
+            self, api_url, {"date": "", "time": "", "range_hour": "1"}
-            elapsed_ms = (time.monotonic() - t0) * 1000
+        )
-            response.raise_for_status()
+        self.__bulletin_test_worker.fetchWorkerIsFinished.connect(
-            data = response.json()
+            self.__onBulletinTestFetched
-            if data.get("code") == 200:
+        )
+        self.__bulletin_test_worker.fetchWorkerFinishedWithError.connect(
+            self.__onBulletinTestError
+        )
+        self.__bulletin_test_worker.start()
+
+    @Slot(dict)
+    def __onBulletinTestFetched(
+        self,
+        data: dict
+    ):
+
+        self.__bulletin_test_worker.fetchWorkerIsFinished.disconnect(
+            self.__onBulletinTestFetched
+        )
+        self.__bulletin_test_worker.fetchWorkerFinishedWithError.disconnect(
+            self.__onBulletinTestError
+        )
+        self.__bulletin_test_worker.deleteLater()
+        self.__bulletin_test_worker = None
+        elapsed_ms = (time.monotonic() - self.__bulletin_test_t0) * 1000
         self.BulletinTestStatusLabel.setText(
             f"连接成功！响应延迟 {elapsed_ms:.0f} ms"
         )
         self.BulletinTestStatusLabel.setStyleSheet("color: green;")
-            else:
-                self.BulletinTestStatusLabel.setText(
-                    f"服务器返回异常: [{data.get('code', '?')}] {data.get('msg', '未知错误')}"
-                )
-                self.BulletinTestStatusLabel.setStyleSheet("color: red;")
-        except Exception as e:
-            self.BulletinTestStatusLabel.setText(f"连接失败：{e}")
-            self.BulletinTestStatusLabel.setStyleSheet("color: red;")
-        finally:
         self.BulletinTestButton.setEnabled(True)
         QTimer.singleShot(3000, self.clearBulletinTestStatus)
 
+    @Slot(str)
+    def __onBulletinTestError(
+        self,
+        error_message: str
+    ):
+
+        self.__bulletin_test_worker.fetchWorkerIsFinished.disconnect(
+            self.__onBulletinTestFetched
+        )
+        self.__bulletin_test_worker.fetchWorkerFinishedWithError.disconnect(
+            self.__onBulletinTestError
+        )
+        self.__bulletin_test_worker.deleteLater()
+        self.__bulletin_test_worker = None
+        self.BulletinTestStatusLabel.setText(f"连接失败：{error_message}")
+        self.BulletinTestStatusLabel.setStyleSheet("color: red;")
+        self.BulletinTestButton.setEnabled(True)
+
     @Slot()
     def onCancelButtonClicked(
         self

src/managers/bulletin/BulletinManager.py

@@ -9,7 +9,7 @@ See the LICENSE file for details.
 """
 import threading
 
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 from typing import Optional
 
 from interfaces.ConfigProvider import (
@@ -118,13 +118,18 @@ class BulletinManager:
         """
             Get auto-sync interval in minutes.
 
-            Values below 1 are clamped to 5 minutes.
+            Values below 1 are clamped upward. Non-integer or missing
+            values fall back to the default of 10 minutes.
 
             Returns:
                 int: Sync interval (minutes), minimum 1.
         """
 
         interval = self.__cfg.get(CfgKey.GLOBAL.BULLETIN.SYNC_INTERVAL, 10)
+        try:
+            interval = int(interval)
+        except (ValueError, TypeError):
+            return 10
         if interval < 1:
             return 5
         return interval
@@ -142,6 +147,26 @@ class BulletinManager:
         base = self.serverUrl().rstrip("/")
         return f"{base}/bulletins"
 
+    @staticmethod
+    def _ensureAware(
+        dt_value: datetime
+    ) -> datetime:
+
+        if dt_value.tzinfo is None:
+            return dt_value.replace(tzinfo=timezone.utc)
+        return dt_value
+
+    @staticmethod
+    def _parseBulletinDateTime(
+        b: dict
+    ) -> datetime:
+
+        raw = b.get("dateTime", "")
+        if not raw:
+            raise ValueError("empty dateTime")
+        dt_value = datetime.fromisoformat(raw)
+        return BulletinManager._ensureAware(dt_value)
+
     def isFirstSync(
         self
     ) -> bool:
@@ -152,6 +177,7 @@ class BulletinManager:
                 bool: True if no cached bulletins or no last sync time.
         """
 
+        with self.__lock:
             last = self.lastSyncTime()
             bulletins = self.bulletins()
             return last is None or not bulletins
@@ -169,12 +195,15 @@ class BulletinManager:
                 bool: True if a full sync should be performed.
         """
 
+        with self.__lock:
             last = self.lastSyncTime()
             if last is None:
                 return True
             try:
                 last_dt = datetime.fromisoformat(last)
-            return (datetime.now().astimezone() - last_dt) > timedelta(hours=1)
+                last_dt = self._ensureAware(last_dt)
+                now = datetime.now(timezone.utc).astimezone()
+                return (now - last_dt) > timedelta(hours=1)
             except (ValueError, TypeError):
                 return True
 
@@ -184,25 +213,35 @@ class BulletinManager:
         """
             Calculate the date / time / range_hour query parameters.
 
+            Falls back to a first-sync (7-day window) on any parsing error.
+
             Returns:
                 dict: Keys "date", "time", "range_hour" for the API request.
         """
 
+        now = datetime.now(timezone.utc).astimezone()
+        try:
             if self.isFirstSync():
-            start_date = datetime.now() - timedelta(days=7)
+                start_date = now - timedelta(days=7)
-            range_hour = str(24 * (7 + 1))
+                range_hour = str(24 * 8)
             elif self.shouldFullSync():
+                with self.__lock:
                     bulletins = self.bulletins()
-            earliest = min(bulletins, key=lambda x: x.get("dateTime", ""))
+                earliest = min(bulletins, key=self._parseBulletinDateTime)
-            start_date = datetime.fromisoformat(earliest["dateTime"])
+                start_date = self._parseBulletinDateTime(earliest)
-            diff = datetime.now().astimezone() - start_date
+                diff = now - start_date
                 range_hour = str(int(diff.total_seconds() / 3600) + 1)
             else:
+                with self.__lock:
                     bulletins = self.bulletins()
-            latest = max(bulletins, key=lambda x: x.get("dateTime", ""))
+                latest = max(bulletins, key=self._parseBulletinDateTime)
-            start_date = datetime.fromisoformat(latest["dateTime"])
+                start_date = self._parseBulletinDateTime(latest)
-            diff = datetime.now().astimezone() - start_date
+                diff = now - start_date
                 range_hour = str(int(diff.total_seconds() / 3600) + 1)
+        except (ValueError, TypeError, KeyError):
+            start_date = now - timedelta(days=7)
+            range_hour = str(24 * 8)
+
         return {
             "date": start_date.strftime("%Y-%m-%d"),
             "time": start_date.strftime("%H:%M:%S"),
@@ -219,7 +258,7 @@ class BulletinManager:
 
             New bulletins are added with isNew=True. Existing bulletins
             keep their current isNew state. Entries listed in delete_ids
-            are removed.
+            are removed. Bulletins missing an "id" field are skipped.
 
             Args:
                 new_bulletins (list[dict]): Incoming bulletin list.
@@ -230,22 +269,33 @@ class BulletinManager:
         """
 
         with self.__lock:
-            delete_set = set(delete_ids)
+            delete_set = set(str(d) for d in delete_ids)
-            bulletins_dict = {b["id"]: b for b in self.bulletins()}
+            bulletins_dict = {}
+            for b in self.bulletins():
+                bid = b.get("id")
+                if bid is not None:
+                    bulletins_dict[str(bid)] = b
+
             for bulletin in new_bulletins:
-                bid = bulletin["id"]
+                bid = bulletin.get("id")
+                if bid is None:
+                    continue
+                bid = str(bid)
                 if bid in delete_set:
                     bulletins_dict.pop(bid, None)
                     continue
-                if bid not in bulletins_dict:
+                bulletin["isNew"] = (
-                    bulletin["isNew"] = True
+                    True
-                else:
+                    if bid not in bulletins_dict
-                    bulletin["isNew"] = bulletins_dict[bid].get("isNew", True)
+                    else bulletins_dict[bid].get("isNew", True)
+                )
                 bulletins_dict[bid] = bulletin
+
             for bid in delete_set:
                 bulletins_dict.pop(bid, None)
+
             result = list(bulletins_dict.values())
-            result.sort(key=lambda x: int(x["id"]))
+            result.sort(key=lambda x: str(x.get("id", "")))
             self.setBulletins(result)
             return result
 
@@ -263,7 +313,7 @@ class BulletinManager:
         with self.__lock:
             bulletins = self.bulletins()
             for b in bulletins:
-                if b["id"] == bulletin_id:
+                if str(b.get("id", "")) == str(bulletin_id):
                     b["isNew"] = False
                     self.setBulletins(bulletins)
                     break

src/managers/config/ConfigManager.py

@@ -110,7 +110,7 @@ class ConfigManager:
                 config_data = JSONReader(config_path).data()
                 self.__config_data[config_type.value] = config_data
                 return
-            except:
+            except Exception:
                 pass
         self.__config_data[config_type.value] = ConfigTemplate(config_type).template()
         JSONWriter(config_path, self.__config_data[config_type.value])