feat: mission replied calling task

mission/models.py

@@ -50,6 +50,19 @@ class Mission(ModelBase):
     is_urgent = models.BooleanField(default=False, db_index=True, verbose_name="是否紧急")
     is_completed = models.BooleanField(default=False, db_index=True, verbose_name="是否完成")
     is_cancelled = models.BooleanField(default=False, db_index=True, verbose_name="是否取消")
+    notify_if_unreplied = models.BooleanField(default=False, db_index=True, verbose_name="是否开启未回复提醒")
+    unreplied_notify_interval_minutes = models.PositiveIntegerField(
+        null=True,
+        blank=True,
+        verbose_name="未回复提醒间隔（分钟）",
+    )
+    unreplied_notify_max_count = models.PositiveIntegerField(default=5, verbose_name="未回复最大提醒次数")
+    unreplied_notify_sent_count = models.PositiveIntegerField(default=0, verbose_name="未回复已提醒次数")
+    unreplied_last_notified_at = models.DateTimeField(
+        null=True,
+        blank=True,
+        verbose_name="上一次未回复提醒时间",
+    )
     cancelled_at = models.DateTimeField(null=True, blank=True, verbose_name="取消时间")
     creator = models.ForeignKey(
         "basic_info.Employee",
@@ -84,6 +97,10 @@ class Mission(ModelBase):
     def can_reply(self) -> bool:
         return not self.is_cancelled and not self.has_ending_reply
 
+    @property
+    def has_effective_reply(self) -> bool:
+        return self.replies.filter(is_rejected=False).exists()
+
     def get_participants(self):
         return self.participants.select_related("employee")