1from plain.auth import get_user_model
 2from plain.email import TemplateEmail
 3from plain.models.forms import ModelForm
 4from plain.runtime import settings
 5
 6from .models import SupportFormEntry
 7
 8
 9class SupportForm(ModelForm):
10    """
11    The form is the customization point for users.
12    So any behavior modifications should be possible here.
13    """
14
15    class Meta:
16        model = SupportFormEntry
17        fields = ["name", "email", "message"]
18
19    def __init__(self, user, form_slug, *args, **kwargs):
20        super().__init__(*args, **kwargs)
21        self.user = user  # User provided directly by authed request
22        self.form_slug = form_slug
23        if self.user:
24            self.fields["email"].initial = user.email
25
26    def find_user(self):
27        # If the user isn't logged in (typical in an iframe, depending on session cookie settings),
28        # we can still try to look them up by email
29        # to associate the entry with them.
30        #
31        # Note that since they aren't logged in, this doesn't necessarily
32        # confirm that this wasn't an impersonation attempt.
33        # Subsequent conversations over email will confirm that they have access to the email.
34        email = self.cleaned_data.get("email")
35        if not email:
36            return None
37        UserModel = get_user_model()
38        try:
39            return UserModel.objects.get(email=email)
40        except UserModel.DoesNotExist:
41            return
42
43    def save(self, commit=True):
44        instance = super().save(commit=False)
45        instance.user = self.user or self.find_user()
46        instance.form_slug = self.form_slug
47        if commit:
48            instance.save()
49        return instance
50
51    def notify(self, instance):
52        """
53        Notify the support team of a new support form entry.
54
55        Sends an immediate email by default.
56        """
57        email = TemplateEmail(
58            template="support_form_entry",
59            subject=f"Support request from {instance.name}",
60            to=[settings.SUPPORT_EMAIL],
61            reply_to=[instance.email],
62            context={
63                "support_form_entry": instance,
64            },
65        )
66        email.send()