Updated class Announcement

widget_CtrlF/announcement_board/models.py

 from django.db import models
 from django.utils import timezone
+from dashboard.models import WidgetUser
 
 Like = 'Like'
 Love = 'Love'
@@ -10,10 +11,10 @@ REACTIONS = ((Like, 'Like'),
 
 
 class Announcement(models.Model):
-    title = models.CharField(max_length=50)
+    title = models.CharField(max_length=100)
     body = models.TextField(max_length=10000)
-    author = models.CharField(max_length=100)
-    pub_datetime = models.DateTimeField("date published", default=timezone.now, null=True)
+    author = models.ForeignKey(WidgetUser, on_delete=models.CASCADE)
+    pub_datetime = models.DateTimeField(default=timezone.now, null=True, blank=True, default=None)
 
     def __str__(self):
         return self.title