backend_users_equipment_interventions

users/admin.py

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+from django.contrib import admin
+from simple_history.admin import SimpleHistoryAdmin
+from .models import Directie, Serviciu, Compartiment, Employee
+
+
+@admin.register(Directie)
+class DirectieAdmin(SimpleHistoryAdmin):
+    list_display = ("name",)
+    search_fields = ("name",)
+
+
+@admin.register(Serviciu)
+class ServiciuAdmin(SimpleHistoryAdmin):
+    list_display = ("name", "directie")
+    list_filter = ("directie",)
+    search_fields = ("name",)
+
+
+@admin.register(Compartiment)
+class CompartimentAdmin(SimpleHistoryAdmin):
+    list_display = ("name", "directie", "serviciu")
+    list_filter = ("directie", "serviciu")
+    search_fields = ("name",)
+
+
+@admin.register(Employee)
+class EmployeeAdmin(SimpleHistoryAdmin):
+    list_display = (
+        "name",
+        "username",
+        "role",
+        "email",
+        "directie",
+        "serviciu",
+        "compartiment",
+    )
+    list_filter = ("directie", "serviciu", "compartiment")
+    search_fields = ("name", "username", "email")

users/apps.py

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+from django.apps import AppConfig
+
+
+class UsersConfig(AppConfig):
+    name = 'users'

users/migrations/0001_initial.py

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+# Generated by Django 6.1 on 2026-08-18 11:35
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Directie',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, verbose_name='Nume Direcție')),
+            ],
+            options={
+                'verbose_name': 'Direcție',
+                'verbose_name_plural': 'Direcții',
+            },
+        ),
+        migrations.CreateModel(
+            name='Compartiment',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, verbose_name='Nume Compartiment')),
+                ('directie', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='compartimente_directe', to='users.directie', verbose_name='Direcție (Direct)')),
+            ],
+            options={
+                'verbose_name': 'Compartiment',
+                'verbose_name_plural': 'Compartimente',
+            },
+        ),
+        migrations.CreateModel(
+            name='Serviciu',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, verbose_name='Nume Serviciu')),
+                ('directie', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='servicii', to='users.directie', verbose_name='Direcție')),
+            ],
+            options={
+                'verbose_name': 'Serviciu',
+                'verbose_name_plural': 'Servicii',
+            },
+        ),
+        migrations.CreateModel(
+            name='Employee',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('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(max_length=254, verbose_name='Email address')),
+                ('observations', models.TextField(blank=True, null=True, verbose_name='Observations')),
+                ('compartiment', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='employees', to='users.compartiment', verbose_name='Compartiment')),
+                ('directie', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='employees', to='users.directie', verbose_name='Direcție')),
+                ('serviciu', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='employees', to='users.serviciu', verbose_name='Serviciu')),
+            ],
+            options={
+                'verbose_name': 'Angajat / Utilizator',
+                'verbose_name_plural': 'Angajați / Utilizatori',
+            },
+        ),
+        migrations.AddField(
+            model_name='compartiment',
+            name='serviciu',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='compartimente_subordonate', to='users.serviciu', verbose_name='Serviciu'),
+        ),
+    ]

users/migrations/0002_historicalcompartiment_historicaldirectie_and_more.py

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+# Generated by Django 6.1 on 2026-08-18 11:43
+
+import django.db.models.deletion
+import simple_history.models
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('users', '0001_initial'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='HistoricalCompartiment',
+            fields=[
+                ('id', models.BigIntegerField(auto_created=True, blank=True, db_index=True, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, verbose_name='Nume Compartiment')),
+                ('history_id', models.AutoField(primary_key=True, serialize=False)),
+                ('history_date', models.DateTimeField(db_index=True)),
+                ('history_change_reason', models.CharField(max_length=100, null=True)),
+                ('history_type', models.CharField(choices=[('+', 'Created'), ('~', 'Changed'), ('-', 'Deleted')], max_length=1)),
+                ('directie', models.ForeignKey(blank=True, db_constraint=False, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to='users.directie', verbose_name='Direcție (Direct)')),
+                ('history_user', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to=settings.AUTH_USER_MODEL)),
+                ('serviciu', models.ForeignKey(blank=True, db_constraint=False, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to='users.serviciu', verbose_name='Serviciu')),
+            ],
+            options={
+                'verbose_name': 'historical Compartiment',
+                'verbose_name_plural': 'historical Compartimente',
+                'ordering': ('-history_date', '-history_id'),
+                'get_latest_by': ('history_date', 'history_id'),
+            },
+            bases=(simple_history.models.HistoricalChanges, models.Model),
+        ),
+        migrations.CreateModel(
+            name='HistoricalDirectie',
+            fields=[
+                ('id', models.BigIntegerField(auto_created=True, blank=True, db_index=True, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, verbose_name='Nume Direcție')),
+                ('history_id', models.AutoField(primary_key=True, serialize=False)),
+                ('history_date', models.DateTimeField(db_index=True)),
+                ('history_change_reason', models.CharField(max_length=100, null=True)),
+                ('history_type', models.CharField(choices=[('+', 'Created'), ('~', 'Changed'), ('-', 'Deleted')], max_length=1)),
+                ('history_user', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'verbose_name': 'historical Direcție',
+                'verbose_name_plural': 'historical Direcții',
+                'ordering': ('-history_date', '-history_id'),
+                'get_latest_by': ('history_date', 'history_id'),
+            },
+            bases=(simple_history.models.HistoricalChanges, models.Model),
+        ),
+        migrations.CreateModel(
+            name='HistoricalEmployee',
+            fields=[
+                ('id', models.BigIntegerField(auto_created=True, blank=True, db_index=True, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, verbose_name='Name')),
+                ('username', models.CharField(db_index=True, max_length=150, 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(max_length=254, verbose_name='Email address')),
+                ('observations', models.TextField(blank=True, null=True, verbose_name='Observations')),
+                ('history_id', models.AutoField(primary_key=True, serialize=False)),
+                ('history_date', models.DateTimeField(db_index=True)),
+                ('history_change_reason', models.CharField(max_length=100, null=True)),
+                ('history_type', models.CharField(choices=[('+', 'Created'), ('~', 'Changed'), ('-', 'Deleted')], max_length=1)),
+                ('compartiment', models.ForeignKey(blank=True, db_constraint=False, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to='users.compartiment', verbose_name='Compartiment')),
+                ('directie', models.ForeignKey(blank=True, db_constraint=False, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to='users.directie', verbose_name='Direcție')),
+                ('history_user', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to=settings.AUTH_USER_MODEL)),
+                ('serviciu', models.ForeignKey(blank=True, db_constraint=False, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to='users.serviciu', verbose_name='Serviciu')),
+            ],
+            options={
+                'verbose_name': 'historical Angajat / Utilizator',
+                'verbose_name_plural': 'historical Angajați / Utilizatori',
+                'ordering': ('-history_date', '-history_id'),
+                'get_latest_by': ('history_date', 'history_id'),
+            },
+            bases=(simple_history.models.HistoricalChanges, models.Model),
+        ),
+        migrations.CreateModel(
+            name='HistoricalServiciu',
+            fields=[
+                ('id', models.BigIntegerField(auto_created=True, blank=True, db_index=True, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, verbose_name='Nume Serviciu')),
+                ('history_id', models.AutoField(primary_key=True, serialize=False)),
+                ('history_date', models.DateTimeField(db_index=True)),
+                ('history_change_reason', models.CharField(max_length=100, null=True)),
+                ('history_type', models.CharField(choices=[('+', 'Created'), ('~', 'Changed'), ('-', 'Deleted')], max_length=1)),
+                ('directie', models.ForeignKey(blank=True, db_constraint=False, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to='users.directie', verbose_name='Direcție')),
+                ('history_user', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'verbose_name': 'historical Serviciu',
+                'verbose_name_plural': 'historical Servicii',
+                'ordering': ('-history_date', '-history_id'),
+                'get_latest_by': ('history_date', 'history_id'),
+            },
+            bases=(simple_history.models.HistoricalChanges, models.Model),
+        ),
+    ]

users/models.py

@@ -0,0 +1,126 @@
+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")
+    observations = models.TextField(null=True, blank=True, verbose_name="Observations")
+
+    # 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",
+    )
+    history = HistoricalRecords()
+
+    def __str__(self):
+        return f"{self.name} ({self.username})"
+
+    class Meta:
+        verbose_name = "Angajat / Utilizator"
+        verbose_name_plural = "Angajați / Utilizatori"

users/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

users/views.py

@@ -0,0 +1,3 @@
+from django.shortcuts import render
+
+# Create your views here.