[init] Initial commit

backend/project/notifications/admin.py

@@ -0,0 +1,32 @@
+from django.contrib import admin
+
+from notifications import models
+from notifications.forms import (
+    CreateNotificationAdminForm,
+    EditNotificationAdminForm,
+)
+
+
+class NotificationAdmin(admin.ModelAdmin):
+    form = EditNotificationAdminForm
+    add_form = CreateNotificationAdminForm
+    list_display = [
+        models.Notification.title.field.name,
+        models.Notification.user.field.name,
+        models.Notification.content.field.name,
+        models.Notification.read.field.name,
+        models.Notification.created_at.field.name,
+    ]
+
+    def get_readonly_fields(self, request, obj=None):  # noqa: ARG002
+        if obj:
+            return (
+                *self.readonly_fields,
+                models.Notification.read.field.name,
+                models.Notification.created_at.field.name,
+            )
+
+        return self.readonly_fields
+
+
+admin.site.register(models.Notification, NotificationAdmin)

backend/project/notifications/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class NotificationsConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "notifications"

backend/project/notifications/forms.py

@@ -0,0 +1,23 @@
+from django import forms
+
+from notifications.models import Notification
+
+
+class EditNotificationAdminForm(forms.ModelForm):
+    class Meta:
+        model = Notification
+        fields = (
+            model.user.field.name,
+            model.title.field.name,
+            model.content.field.name,
+        )
+
+
+class CreateNotificationAdminForm(forms.ModelForm):
+    class Meta:
+        model = Notification
+        fields = (
+            model.user.field.name,
+            model.title.field.name,
+            model.content.field.name,
+        )

backend/project/notifications/migrations/0001_initial.py

@@ -0,0 +1,56 @@
+# Generated by Django 4.2.11 on 2024-03-31 15:06
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="Notification",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("title", models.CharField(max_length=150, verbose_name="заголовок")),
+                ("content", models.TextField(null=True, verbose_name="содержание")),
+                (
+                    "read",
+                    models.BooleanField(default=False, verbose_name="дата создания"),
+                ),
+                (
+                    "created_at",
+                    models.DateTimeField(
+                        auto_now_add=True, verbose_name="дата создания"
+                    ),
+                ),
+                (
+                    "user",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="notifications",
+                        to=settings.AUTH_USER_MODEL,
+                        verbose_name="пользователь",
+                    ),
+                ),
+            ],
+            options={
+                "verbose_name": "уведомление",
+                "verbose_name_plural": "уведомления",
+            },
+        ),
+    ]

backend/project/notifications/models.py

@@ -0,0 +1,44 @@
+from django.conf import settings
+from django.db import models
+
+
+class NotificationManager(models.Manager):
+    def by_user(self, user_id):
+        return self.get_queryset().filter(
+            user__id=user_id,
+        )
+
+
+class Notification(models.Model):
+    user = models.ForeignKey(
+        settings.AUTH_USER_MODEL,
+        on_delete=models.CASCADE,
+        related_name="notifications",
+        verbose_name="пользователь",
+    )
+    title = models.CharField(
+        max_length=150,
+        verbose_name="заголовок",
+        null=False,
+    )
+    content = models.TextField(
+        verbose_name="содержание",
+        null=False,
+    )
+    read = models.BooleanField(
+        "дата создания",
+        default=False,
+    )
+    created_at = models.DateTimeField(
+        auto_now_add=True,
+        verbose_name="дата создания",
+    )
+
+    objects = NotificationManager()
+
+    class Meta:
+        verbose_name = "уведомление"
+        verbose_name_plural = "уведомления"
+
+    def __str__(self):
+        return self.title

backend/project/notifications/serializers.py

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+from rest_framework import serializers
+
+from notifications.models import Notification
+
+
+class NotificationSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Notification
+        fields = ["title", "content", "read", "created_at"]

backend/project/notifications/tests.py

@@ -0,0 +1 @@
+# Create your tests here.

backend/project/notifications/views.py

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+from rest_framework import generics
+from rest_framework.permissions import IsAuthenticated
+
+from notifications.models import Notification
+from notifications.serializers import NotificationSerializer
+
+
+class UserNotificationsAPIView(generics.ListAPIView):
+    serializer_class = NotificationSerializer
+    permission_classes = [IsAuthenticated]
+
+    def get_queryset(self):
+        user = self.request.user
+        return Notification.objects.by_user(user.id)