Updated admin.py & models.py

Edited the two files to better incorporate with the main branch's version

widget_group3/widget_group3/admin.py

 from django.contrib import admin
+from .models import Announcement
 
-#from .models import WidgetUser, Announcement, Post, Assignment
\ No newline at end of file
+class AnnouncementAdmin(admin.ModelAdmin):
+    model = Announcement
+
+    search_fields = ('announcement_title', 'announcement_body', 'pub_date')
+    list_display = ('announcement_title', 'announcement_body', 'pub_date')
+    list_filter = ('announcement_title', 'announcement_body', 'pub_date')
+
+    fieldsets = [
+        ('Announcement Data', {
+            'fields': [
+                'announcement_title',
+                'announcement_body',
+                'pub_date'
+            ] 
+        })
+    ]
+
+#Register models
+admin.site.register(Announcement, AnnouncementAdmin)
\ No newline at end of file

widget_group3/widget_group3/models.py

 from django.db import models
 from django.urls import reverse
 
-class Announcement(models.Model):
+class AnnouncementAdmin(models.Model):
     announcement_title= models.CharField(max_length=50)
     announcement_body = models.CharField(max_length=200)
     pub_date = models.DateTimeField(auto_now_add=True)
 
     def __str__(self):
-        return self.announcement_title
\ No newline at end of file
+        return self.full_announcement
+
+    def get_absolute_url(self):
+        return reverse('Announcement', args=[(self.full_name)])
+
+    @property
+    def full_announcement(self):
+        return '{} {} {}'.format(self.announcement_title, self.announcement_body, self.pub_date)
\ No newline at end of file