6384eac890
- Notification model with idempotency_key dedup (unique per event+object+recipient) - NotificationDelivery audit model (pending/sent/failed/delivered per channel) - notify() service: creates notification idempotently, enqueues per-channel tasks - deliver_notification_task Celery task: sends email via send_mail, marks in-app as sent without email; marks FAILED with error_detail on exception (autoretry x3) - Event trigger helpers: notify_course_assigned, notify_attempt_limit_reached, notify_certificate_issued, notify_certificate_expiring (daily-reminder safe) - send_course_due_reminders_task: periodic Celery Beat stub for due-date alerts - REST API: list notifications (with ?unread=true filter), mark-read, mark-all-read - Admin registrations with inline delivery audit view - Initial migration (Notification + NotificationDelivery tables) - Pytest test suite: idempotency, delivery dispatch, view auth/filtering Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
75 lines
3.1 KiB
Python
75 lines
3.1 KiB
Python
import uuid
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import django.db.models.deletion
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from django.conf import settings
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from django.db import migrations, models
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class Migration(migrations.Migration):
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initial = True
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dependencies = [
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migrations.swappable_dependency(settings.AUTH_USER_MODEL),
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]
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operations = [
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migrations.CreateModel(
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name="Notification",
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fields=[
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("id", models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
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("event_type", models.CharField(
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choices=[
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("course_assigned", "Course Assigned"),
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("course_due", "Course Due Soon"),
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("attempt_limit_reached", "Attempt Limit Reached"),
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("certificate_issued", "Certificate Issued"),
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("certificate_expiring", "Certificate Expiring"),
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],
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db_index=True,
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max_length=40,
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)),
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("title", models.CharField(max_length=255)),
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("body", models.TextField(blank=True)),
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("object_type", models.CharField(blank=True, max_length=64)),
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("object_id", models.CharField(blank=True, max_length=128)),
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("idempotency_key", models.CharField(db_index=True, max_length=255, unique=True)),
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("created_at", models.DateTimeField(auto_now_add=True)),
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("read_at", models.DateTimeField(blank=True, null=True)),
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("recipient", models.ForeignKey(
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on_delete=django.db.models.deletion.CASCADE,
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related_name="notifications",
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to=settings.AUTH_USER_MODEL,
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)),
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],
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options={"db_table": "notifications_notification", "ordering": ["-created_at"]},
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),
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migrations.CreateModel(
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name="NotificationDelivery",
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fields=[
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("id", models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
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("channel", models.CharField(
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choices=[("in_app", "In-App"), ("email", "Email")],
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max_length=20,
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)),
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("status", models.CharField(
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choices=[
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("pending", "Pending"), ("sent", "Sent"),
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("failed", "Failed"), ("delivered", "Delivered"),
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],
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default="pending",
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max_length=20,
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)),
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("sent_at", models.DateTimeField(blank=True, null=True)),
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("error_detail", models.TextField(blank=True)),
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("created_at", models.DateTimeField(auto_now_add=True)),
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("notification", models.ForeignKey(
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on_delete=django.db.models.deletion.CASCADE,
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related_name="deliveries",
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to="notifications.notification",
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)),
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],
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options={"db_table": "notifications_delivery", "ordering": ["-created_at"]},
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),
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]
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