Question 314048 in Javascript Question posted in
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Javascript – django field local for every user

How can I create a field that is different for every user. For example if we have an instance of a Comment model and there is a field that is different for every user that tells if user has liked that comment. So when I map through the objects i can just check if a user has liked it. Something like a local field for every user.

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2

Answers


  1. 0

    I’m not sure if I understand your question correctly, but are you looking to create a UDL? Do you mean an object that stores information for analytical purposes? If so, you can simply create an empty object and add any data you wish to it using an Event Listener.

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  2. 0

    To track which user has liked a comment, you can create a related entity.

    class Comment(models.Model):
  # The text of the comment
  text = models.CharField(max_length=1024)
  # The post the comment relates to
  post = models.ForeignKey(Post, on_delete=models.CASCADE)
  # The user who made the comment
  user = models.ForeignKey(User, on_delete=models.CASCADE)

class CommentLike(models.Model):
  # Indication of like. Could be something more complex
  # such as an enum or another entity.
  liked = models.BooleanField(default=False)
  # The user who changed the like status
  user = models.ForeignKey(User, on_delete=models.CASCADE)
  # The liked/unliked comment
  comment = models.ForeignKey(
    Comment, 
    on_delete=models.CASCADEm,
    related_name="likes",
  )
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