Init

music_storage/core/admin.py

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+from django.contrib import admin
+
+# Register your models here.

music_storage/core/apps.py

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+from django.apps import AppConfig
+
+
+class CoreConfig(AppConfig):
+    name = 'core'

music_storage/core/middleware/current_request.py

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+import threading
+from django.utils.deprecation import MiddlewareMixin
+
+
+_thread_local = threading.local()
+
+
+def get_current_request():
+    """Retrieve the current request stored in thread-local storage."""
+    return getattr(_thread_local, "request", None)
+
+
+def get_current_user():
+    """Retrieve the user from the current request."""
+    request = get_current_request()
+    if request:
+        return getattr(request, "user", None)
+    return None
+
+
+class CurrentRequestMiddleware(MiddlewareMixin):
+    """Middleware to store the current request in thread-local storage.
+
+    Args:
+        MiddlewareMixin : Base class for Django middleware.
+    """
+
+    def process_request(self, request):
+        _thread_local.request = request
+
+    def process_response(self, request, response):
+        if hasattr(_thread_local, "request"):
+            del _thread_local.request
+        return response

music_storage/core/models.py

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+from django.db import models
+from django.contrib.auth import get_user_model
+from core.middleware.current_request import get_current_user
+
+
+UserModel = get_user_model()
+
+
+class BaseModel(models.Model):
+    """Abstract base model that includes created_by and updated_by fields.
+
+    The fields are automatically populated with the current user from the request.
+    """
+
+    created_by = models.ForeignKey(
+        UserModel,
+        on_delete=models.SET_NULL,
+        null=True,
+        blank=True,
+        related_name="%(class)s_created",
+        editable=False,
+    )
+    updated_by = models.ForeignKey(
+        UserModel,
+        on_delete=models.SET_NULL,
+        null=True,
+        blank=True,
+        related_name="%(class)s_updated",
+        editable=False,
+    )
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        abstract = True
+
+    def save(self, *args, **kwargs):
+        current_user = get_current_user()
+        if not self.pk and not self.created_by:
+            self.created_by = current_user
+        self.updated_by = current_user
+        super().save(*args, **kwargs)

music_storage/core/tests.py

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

music_storage/core/views.py

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+from django.shortcuts import render
+
+# Create your views here.