refactor: 提取 Flow 类 execute 长方法为私有子方法，降低嵌套深度

src/pages/flows/CheckinFlow.py

@@ -35,7 +35,7 @@ class CheckinFlow(MsgBase):
         self._driver: WebDriver = driver
         self._shell: MainShell = shell
 
-    def execute(
+    def _ensureCheckinButton(
         self,
         username: str,
     ) -> bool:
@@ -49,7 +49,13 @@ class CheckinFlow(MsgBase):
                 self._showTrace(f"签到按钮启用失败 !", self.TraceLevel.ERROR)
                 return False
             self._showTrace("签到按钮已启用")
-        self._shell.clickCheckinButton()
+        return True
+
+    def _processCheckinDialog(
+        self,
+        username: str,
+    ) -> bool:
+
         try:
             with CheckinResultDialog(self._driver) as dialog:
                 result_msg = dialog.getResultMessage()
@@ -87,3 +93,13 @@ class CheckinFlow(MsgBase):
         except (TimeoutException, NoSuchElementException, ElementNotInteractableException):
             self._showTrace("签到时发生未知错误 !", self.TraceLevel.ERROR)
             return False
+
+    def execute(
+        self,
+        username: str,
+    ) -> bool:
+
+        if not self._ensureCheckinButton(username):
+            return False
+        self._shell.clickCheckinButton()
+        return self._processCheckinDialog(username)

src/pages/flows/RenewFlow.py

@@ -61,19 +61,23 @@ class RenewFlow(MsgBase):
             )
         return True
 
-    def execute(
+    def _computeRenewTarget(
         self,
-        username: str,
         record: dict,
         renew_info: dict,
-    ) -> bool:
+    ):
 
-        max_diff = renew_info.get("max_diff", 30)
-        prefer_earlier = renew_info.get("prefer_early", True)
         end_time = record["time"]["end"]
         target_renew_mins = timeStrToMins(end_time) + renew_info.get("expect_duration", 2) * 60
         if not self._validateRenewTime(end_time, target_renew_mins):
-            return False
+            return None
+        return target_renew_mins
+
+    def _ensureExtendButton(
+        self,
+        username: str,
+    ) -> bool:
+
         if not self._shell.waitExtendButton():
             self._showTrace(f"用户 {username} 续约界面加载失败 !", self.TraceLevel.ERROR)
             return False
@@ -83,7 +87,17 @@ class RenewFlow(MsgBase):
                 f"请连接图书馆网络后重试"
             )
             return False
-        self._shell.clickExtendButton()
+        return True
+
+    def _processRenewDialog(
+        self,
+        username: str,
+        record: dict,
+        target_renew_mins: int,
+        max_diff: int,
+        prefer_earlier: bool,
+    ) -> bool:
+
         try:
             with RenewDialog(self._driver) as dialog:
                 if not dialog.waitUntilReady():
@@ -132,3 +146,22 @@ class RenewFlow(MsgBase):
             self._showTrace(f"用户 {username} 续约失败 ! : {e}", self.TraceLevel.ERROR)
             self._shell.refresh()
             return False
+
+    def execute(
+        self,
+        username: str,
+        record: dict,
+        renew_info: dict,
+    ) -> bool:
+
+        max_diff = renew_info.get("max_diff", 30)
+        prefer_earlier = renew_info.get("prefer_early", True)
+        target_renew_mins = self._computeRenewTarget(record, renew_info)
+        if target_renew_mins is None:
+            return False
+        if not self._ensureExtendButton(username):
+            return False
+        self._shell.clickExtendButton()
+        return self._processRenewDialog(
+            username, record, target_renew_mins, max_diff, prefer_earlier,
+        )

src/pages/flows/ReserveFlow.py

@@ -58,59 +58,70 @@ class ReserveFlow(MsgBase):
         self._driver: WebDriver = driver
         self._shell: MainShell = shell
 
-    def execute(
+    def _loadReserveView(
         self,
+    ) -> ReserveView | None:
+
+        try:
+            return self._shell.gotoReserveView()
+        except (TimeoutException, ElementNotInteractableException) as e:
+            self._showTrace(f"加载预约选座页面失败 ! : {e}", self.TraceLevel.ERROR)
+            return None
+
+    def _selectDate(
+        self,
+        view: ReserveView,
         ctx: ReserveContext,
     ) -> bool:
 
-        submit_reserve = False
-        reserve_success = False
-        have_hover_on_page = False
-
-        try:
-            view = self._shell.gotoReserveView()
-        except (TimeoutException, ElementNotInteractableException) as e:
-            self._showTrace(f"加载预约选座页面失败 ! : {e}", self.TraceLevel.ERROR)
-            return False
         if not view.selectDate(ctx.date):
             self._showTrace(f"选择日期失败 ! : {ctx.date} 不可用", self.TraceLevel.ERROR)
             return False
         self._showTrace(f"日期 {ctx.date} 选择成功 !")
+        return True
+
+    def _selectPlace(
+        self,
+        view: ReserveView,
+    ) -> bool:
+
         if not view.selectPlace("1"):
             self._showTrace("选择预约场所失败 ! : 图书馆 不可用", self.TraceLevel.ERROR)
             return False
         self._showTrace("预约场所 图书馆 选择成功 !")
+        return True
+
+    def _selectFloor(
+        self,
+        view: ReserveView,
+        ctx: ReserveContext,
+    ) -> bool:
+
         if not view.selectFloor(ctx.floor):
             display_floor = ReserveView.FLOOR_MAP.get(ctx.floor, ctx.floor)
             self._showTrace(f"选择楼层失败 ! : {display_floor} 不可用", self.TraceLevel.ERROR)
             return False
         self._showTrace(f"楼层 {ReserveView.FLOOR_MAP.get(ctx.floor)} 选择成功 !")
+        return True
+
+    def _selectRoom(
+        self,
+        view: ReserveView,
+        ctx: ReserveContext,
+    ):
+
         seat_map = view.selectRoom(ctx.room)
         if seat_map is None:
             display_room = ReserveView.ROOM_MAP.get(ctx.room, ctx.room)
             self._showTrace(f"选择房间失败 ! : {display_room} 不可用", self.TraceLevel.ERROR)
-            return False
+            return None
         self._showTrace(f"房间 {ReserveView.ROOM_MAP.get(ctx.room)} 选择成功 !")
-        have_hover_on_page = True
-        seat_status = seat_map.selectSeat(ctx.seat_id)
-        if seat_status is None:
-            self._showTrace(
-                f"座位 {ctx.seat_id} 在该楼层区域中不存在, 请检查座位号是否正确",
-                self.TraceLevel.WARNING,
-            )
-        else:
-            self._showTrace(f"座位 {ctx.seat_id} 选择成功 ! : 当前状态 - '{seat_status}'")
-            try:
-                time_dialog = TimeSelectDialog(self._driver, tracer=self._showTrace)
-            except TimeoutException:
-                self._showTrace("时间选择面板未出现 !", self.TraceLevel.ERROR)
-            else:
-                if not time_dialog.selectSeatTime(ctx):
-                    self._showTrace("选择时间失败 !", self.TraceLevel.ERROR)
-                else:
-                    try:
-                        view.submitReserve()
-                        submit_reserve = True
+        return seat_map
+
+    def _processReserveResult(
+        self,
+    ) -> bool:
+
         with ReserveResultDialog(self._driver) as result:
             if result.isFailure():
                 self._showTrace("预约失败", self.TraceLevel.ERROR)
@@ -131,11 +142,68 @@ class ReserveFlow(MsgBase):
                         "      预约成功 !\n"
                         "          未找获取到详细信息"
                     )
-                                reserve_success = True
+                return True
             else:
                 self._showTrace("预约结果加载失败 !", self.TraceLevel.ERROR)
+        return False
+
+    def _selectSeatAndSubmit(
+        self,
+        view: ReserveView,
+        seat_map,
+        ctx: ReserveContext,
+    ) -> tuple[bool, bool]:
+
+        submit_reserve = False
+        reserve_success = False
+
+        seat_status = seat_map.selectSeat(ctx.seat_id)
+        if seat_status is None:
+            self._showTrace(
+                f"座位 {ctx.seat_id} 在该楼层区域中不存在, 请检查座位号是否正确",
+                self.TraceLevel.WARNING,
+            )
+        else:
+            self._showTrace(f"座位 {ctx.seat_id} 选择成功 ! : 当前状态 - '{seat_status}'")
+            try:
+                time_dialog = TimeSelectDialog(self._driver, tracer=self._showTrace)
+            except TimeoutException:
+                self._showTrace("时间选择面板未出现 !", self.TraceLevel.ERROR)
+            else:
+                if not time_dialog.selectSeatTime(ctx):
+                    self._showTrace("选择时间失败 !", self.TraceLevel.ERROR)
+                else:
+                    try:
+                        view.submitReserve()
+                        submit_reserve = True
+                        reserve_success = self._processReserveResult()
                     except (TimeoutException, ElementNotInteractableException):
                         self._showTrace("预约提交失败 !", self.TraceLevel.ERROR)
+        return submit_reserve, reserve_success
+
+    def execute(
+        self,
+        ctx: ReserveContext,
+    ) -> bool:
+
+        # reserve flow pipeline:
+        #   date > place > floor > room > seat (begin/end time) > submit > result
+        view = self._loadReserveView()
+        if view is None:
+            return False
+        if not self._selectDate(view, ctx):
+            return False
+        if not self._selectPlace(view):
+            return False
+        if not self._selectFloor(view, ctx):
+            return False
+        seat_map = self._selectRoom(view, ctx)
+        if seat_map is None:
+            return False
+        have_hover_on_page = True
+        submit_reserve, reserve_success = self._selectSeatAndSubmit(
+            view, seat_map, ctx,
+        )
         if not submit_reserve and have_hover_on_page:
             view.refresh()
         if reserve_success: