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eumi_v4/users/models.py
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Python

from django.db import models
from django.core.exceptions import ValidationError
from simple_history.models import HistoricalRecords
class Directie(models.Model):
name = models.CharField(max_length=255, verbose_name="Nume Direcție")
history = HistoricalRecords()
def __str__(self):
return self.name
class Meta:
verbose_name = "Direcție"
verbose_name_plural = "Direcții"
class Serviciu(models.Model):
name = models.CharField(max_length=255, verbose_name="Nume Serviciu")
# A Serviciu is directly assigned to a Direcție
directie = models.ForeignKey(
Directie,
on_delete=models.CASCADE,
related_name="servicii",
verbose_name="Direcție",
)
history = HistoricalRecords()
def __str__(self):
return self.name
class Meta:
verbose_name = "Serviciu"
verbose_name_plural = "Servicii"
class Compartiment(models.Model):
name = models.CharField(max_length=255, verbose_name="Nume Compartiment")
# A Compartiment can be part of a Serviciu or directly included in a Direcție
directie = models.ForeignKey(
Directie,
on_delete=models.CASCADE,
null=True,
blank=True,
related_name="compartimente_directe",
verbose_name="Direcție (Direct)",
)
serviciu = models.ForeignKey(
Serviciu,
on_delete=models.CASCADE,
null=True,
blank=True,
related_name="compartimente_subordonate",
verbose_name="Serviciu",
)
history = HistoricalRecords()
def clean(self):
# Validation to ensure the Compartiment belongs to either a Direcție OR a Serviciu, but not both or neither.
if not self.directie and not self.serviciu:
raise ValidationError(
"Un compartiment trebuie să aparțină de o Direcție sau de un Serviciu."
)
if self.directie and self.serviciu:
raise ValidationError(
"Un compartiment nu poate aparține simultan și de o Direcție și de un Serviciu."
)
def save(self, *args, **kwargs):
self.clean()
super().save(*args, **kwargs)
def __str__(self):
return self.name
class Meta:
verbose_name = "Compartiment"
verbose_name_plural = "Compartimente"
class Employee(models.Model):
"""
Represents the 'Users' from the project specification who will hold equipment.
Named 'Employee' to avoid conflicts with Django's built-in auth.User model.
"""
name = models.CharField(max_length=255, verbose_name="Name")
username = models.CharField(max_length=150, unique=True, verbose_name="User name")
role = models.CharField(max_length=255, verbose_name="Function/role")
office_number = models.CharField(max_length=50, verbose_name="Office number")
email = models.EmailField(verbose_name="Email address")
# Keep only this single observations field
observations = models.TextField(blank=True, null=True, verbose_name="Observații")
# Organizational Placement - Employees can be placed at any of the three levels
directie = models.ForeignKey(
Directie,
on_delete=models.SET_NULL,
null=True,
blank=True,
related_name="employees",
verbose_name="Direcție",
)
serviciu = models.ForeignKey(
Serviciu,
on_delete=models.SET_NULL,
null=True,
blank=True,
related_name="employees",
verbose_name="Serviciu",
)
compartiment = models.ForeignKey(
Compartiment,
on_delete=models.SET_NULL,
null=True,
blank=True,
related_name="employees",
verbose_name="Compartiment",
)
@property
def get_active_inventory(self):
"""Returns a dictionary of all active equipment and certificates assigned to the user."""
return {
"computers": self.computers.filter(status="activ"),
"monitors": self.monitors.filter(status="activ"),
"peripherals": self.peripherals.filter(status="activ"),
"certificates": self.digital_certificates.filter(is_canceled=False),
}
history = HistoricalRecords()
def __str__(self):
return f"{self.name} ({self.username})"
class Meta:
verbose_name = "Angajat / Utilizator"
verbose_name_plural = "Angajați / Utilizatori"