In this assignment, you will expand your classified ads web site to add search and tags functionality equivalent to:
Important: The number of lines you need to add to your code is relatively small. Take your time read the sample code carefully - only make changes that you understand. Wholesale cutting and pasting sample code will make it almost impossible to complete this assignment.
This is somewhat like the kind of real work you do when you have a working application and want to add a feature the the application. First - don't break what you have working.
well sample application contains code you can adapt to implement the code to search
the title and text:
To avoid getting too much broken at one time - it is probably a good idea to make search work and then further evolve your code to support tags.
tagme application adds a
tags field to the model and and adds support for tags
to the user interface and search code.
You should also review the documentation for the
django-taggit library at:
You might find the easiest path is to use the
taggit documentation to make your changes,
looking at the
tagme code to verify what you are doing.
There is a bit of an extra wrinkle when adapting the approach in
tagme because we are
using a ModelForm in order to process uploaded pictures. The key is that you have to
save the tags after the form has been copied to the model and the model has been saved because
the tags are stored using a many-to-many data model.
forms.py code you will need to (a) add 'tags' to the field list and (b) update the
code in the commit to look like:
if commit: instance.save() self.save_m2m() # Add this
views.py, we have our own code to pull data from the form to the model and then
save the model. This code is in both the insert and edit views:
# Adjust the model owner before saving inst = form.save(commit=False) inst.owner = self.request.user inst.save() # https://django-taggit.readthedocs.io/en/latest/forms.html#commit-false form.save_m2m() # Add this
You need to add the
save_m2m() call after the instance was saved.
Finally, the detail template for the
tagme application contains code that can be adapted to display the tags in your application.
It is always a good idea to manually test your application before submitting it for grading. Here are a set of manual test steps:
Log in to your application and create several ads add a tag to one of the ads. Make sure that you put unique words that are only in the title, text, and tag so you can verify that you can search for a word in any of the three places.
Go into the detail page for an ad and verify that it shows you the title, text, and tag(s) that you entered
Make sure to edit an ad and verify that you are able to change the title, text, and tags.
Search for some text that is only in a title and verify that the correct ads come back.
Search for some text that is only in a body and verify that the correct ads come back.
Search for some text that is only in a tag and verify that the correct ads come back.
Note the "?search=" in the location bar in your browser while you are doing searched