from datetime import date as std_date
from typing import Optional, Dict
from django.contrib.auth import get_user_model
from django.db import models
from ctrack.caf.models import CAF
from ctrack.organisations.models import Person
def _style_descriptor(days: int) -> str:
if days < 1:
return "red"
elif 0 < days < 5:
return "orange"
else:
return "black"
def _day_string(days: int) -> str:
if days < 1 or days > 1:
return "days"
else:
return "day"
class EngagementType(models.Model):
"""
Examples here are Phone, Email, Letter, Site visit, Meeting, Audit, Inspection, etc.
Also official instruments such as designation letters, Information Notices, etc.
"""
descriptor = models.CharField(max_length=50, blank=False)
enforcement_instrument = models.BooleanField(default=False)
regulation_reference = models.CharField(max_length=100, blank=True, null=True)
comments = models.TextField(max_length=1000, blank=True, null=True)
def __str__(self):
return self.descriptor
class EngagementEvent(models.Model):
"""
Involves multiple people, such as a meeting, phone call, etc.
"""
def get_sentinel_user():
"""
We need this so that we can ensure models.SET() is applied with a callable
to handle when Users are deleted from the system, preventing the EngagementEvent
objects related to them being deleted also.
"""
return get_user_model().objects.get_or_create(username="DELETED USER")[0]
type = models.ForeignKey(EngagementType, on_delete=models.CASCADE)
short_description = models.CharField(
max_length=50, help_text="Short description of the event. Use Comments field for full detail."
)
participants = models.ManyToManyField(Person)
user = models.ForeignKey(get_user_model(), on_delete=models.SET(get_sentinel_user))
date = models.DateTimeField()
end_date = models.DateTimeField(blank=True, null=True)
document_link = models.URLField(max_length=1000, blank=True, null=True, help_text="URL only - do not try to drag a file here")
response_date_requested = models.DateField(blank=True, null=True)
response_received = models.DateField(blank=True, null=True)
related_caf = models.ForeignKey(
CAF, blank=True, on_delete=models.CASCADE, null=True, help_text="If the event relates to a CAF, refer to it here."
)
comments = models.TextField(max_length=1000, blank=True, null=True, help_text="Use this to provide further detail about the event.")
def days_to_response_due(self) -> Optional[Dict[int, str]]:
if self.response_date_requested:
today = std_date.today()
diff = self.response_date_requested - today
return dict(days=diff.days, descriptor=_style_descriptor(diff.days), day_str=_day_string(diff.days))
else:
return None
def __str__(self):
d = self.date.date()
iso_format_date = d.isoformat()
return f"{iso_format_date} | {self.type.descriptor} | {self.short_description}"
