Add days left data binding to inactivity reminders

[faucomte97]

This change is 

[SKairinos]

Reviewed all commit messages.
Reviewable status: 0 of 2 files reviewed, 4 unresolved discussions (waiting on @faucomte97)

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src/api/views/user.py line 376 at r1 (raw file):

        days: int,
        campaign_name: str,
        personalization_values: t.Optional[dict] = None,

replace with
days_left: t.Optional[int] = None

---

src/api/views/user.py line 403 at r1 (raw file):

                            ],
                            to_addresses=[email],
                        )

don't repeat send send_mail

send_mail(
                            campaign_id=settings.DOTDIGITAL_CAMPAIGN_IDS[
                                campaign_name
                            ],
                            to_addresses=[email],
personalization_values={"DAYS_LEFT": days_left} if days_left else None
                        )

Code quote:

                    if personalization_values is not None:
                        send_mail(
                            campaign_id=settings.DOTDIGITAL_CAMPAIGN_IDS[
                                campaign_name
                            ],
                            to_addresses=[email],
                            personalization_values=personalization_values,
                        )
                    else:
                        send_mail(
                            campaign_id=settings.DOTDIGITAL_CAMPAIGN_IDS[
                                campaign_name
                            ],
                            to_addresses=[email],
                        )

---

src/api/views/user_test.py line 758 at r1 (raw file):

            days: int,
            mail_sent: bool,
            personalization_values: t.Optional[dict] = None,

see above comment about changing arg

---

src/api/views/user_test.py line 777 at r1 (raw file):

                if mail_sent:
                    if personalization_values is not None:

see above comment about not repeating code