Thursday, September 27, 2012

django list display fields from two models

What am doing wrong in below admin & model.py; I expect the list display will display values of all three column values from list_display, but it doesnt; Particularly, the values of item_status & solution note not getting shown in my admin view;

Admin.py:

class ItemAdmin(admin.ModelAdmin):
   
def item_status(self,instance):
        comment1
= instance.comment_set.all()
       
return comment1.get_status_display()
   
def solution_note(self,instance):
        comment1
= instance.comment_set.all()
       
return comment1.body()

    list_display
= ('title', 'item_status', 'solution_note')

admin
.site.register(Item,ItemAdmin)

Model.py
========
STATUS_CHOICES
= (
 
(1, 'New'),
 
(2, 'In-progress'),
 
(3, 'Closed'),
)


class Item(models.Model):
    title
= models.CharField(max_length=150)


   
def __unicode__(self):
       
return self.title



class Comment(models.Model):
    body
= models.TextField(blank=True)
    status
= models.PositiveIntegerField(choices=STATUS_CHOICES,default=1)
    task
= models.ForeignKey(Item)

   
def __unicode__(self):
       
return self.body

   
# Auto-set the item creation / completed date
   
def save(self):
       
print self.status
       
#If Item is being marked closed, set the completed_date
       
if (self.status == 3):
             
self.date = datetime.datetime.now()
       
super(Comment, self).save()

`

=============== when I tried return comment1[0].get_status_display() --> values on the admin view page are shown but when I try to add new item, it gives me index error pointing to comment1[0] & changelist_view.html template issue

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