Django HTML User authentication

Question

I have a condition like this:

{% if object.author == user or object.res_person_1_username == user %}

If I view variables with, for example:

<p class="article-content mb-1"><strong>object.res_person_1_username: </strong>{{ object.res_person_1_username }}</p>

They are the same, all three, but condition

object.res_person_1_username == user

is always False. Why is that? What I'm missing? Do I need to change data type or something?

models.py

res_person_1_username = models.TextField(blank=True, max_length=40)

Are they both strings? or us one a user class and the other a text field? — Chris Doyle
– Chris Doyle, Commented Jun 7, 2021 at 20:19
@ChrisDoyle: user is normally passed automatically to the template as request.user (that is why request is passed in the render(...) call, so this is a comparison between a User object and a string. — willeM_ Van Onsem
– willeM_ Van Onsem, Commented Jun 7, 2021 at 20:22
To make things simple, just change res_person_1_username in ur model.py to a Foreignkey and link it to auth User model — Vivek Anand
– Vivek Anand, Commented Jun 7, 2021 at 20:38

willeM_ Van Onsem · Accepted Answer · 2021-06-07 20:21:32Z

1

You are comparing a username with a User object. A string 'foo' is not the same as a User with 'foo' as username.

You can check this with:

{% if object.author == user or object.res_person_1_username == user.username %}

But that being said, to refer to a model object, one normally uses a ForeignKey [Django-doc]. This guarantees referential integrity, makes filtering, querying, etc. more convenient, and will also create an index automatically for that column.

answered Jun 7, 2021 at 20:21

willeM_ Van Onsem

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1 Comment

MarkoZg Over a year ago

It worked flawlessly, thank you for your help

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