Django render different templates for two submit buttons in a form

Question

I am a beginner at Django development, and I am trying to make a food diary application. After a user enters his email on index.html , another web page should be rendered according to whichever button he clicks.

I can possibly add two templates, but I also want my app to work if a user manually types a valid URL such as /apps/<user_email>/addDiaryEntry/ . I don't know what to add in /apps/urls.py . Also, can I somehow access a user object's Id so my routing URL become /apps/<user_id>/addDiaryEntry/ instead?

/templates/apps/index.html

<form method="post" action="/apps/">
{% csrf_token %}

<label for="email_add">Email address</label>
<input id="email_add" type="text">

<button type="submit" name="add_entry">Add entry</button>
<button type="submit" name="see_history">See history</button>

/apps/views.py

def index(request):
    if request.POST:
        if 'add_entry' in request.POST:
            addDiaryEntry(request)
        elif 'see_history' in request.POST:
            seeHistory(request)

    return render(request, 'apps/index.html');

def addDiaryEntry(request):
    print ("Add entry")

def seeHistory(request):
    print ("See history")

/apps/urls.py

urlpatterns = [
    url(r'^$', views.index, name='index'),
]

Thank you for your help! Please feel free to share any best practices which I am not following.

Answer 1

1) passing in an argument into a url, you can use regex groups to pass arguments. Here is an example using a kwarg:

url(r'^(?P<user_email>[^@]+@[^@]+\.[^@]+)/addDiaryEntry/$', views.add_diary, name='add-diary-entry'),

2) just render a different template depending on which button was pressed:

def index(request):
    if request.POST:
        if 'add_entry' in request.POST:
            addDiaryEntry(request)
            return render(request, 'apps/add_entry.html');

        elif 'see_history' in request.POST:
            seeHistory(request)
            return render(request, 'apps/see_history.html');

It's always tough starting out, make sure you put in the time to go over the docs, here are some places to look over regarding these topics: https://docs.djangoproject.com/en/1.10/topics/http/urls/#named-groups https://docs.djangoproject.com/en/1.10/topics/http/views/