first structure & deployment of notification

apps/notification/management/commands/command.py

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+# Your custom management commands go here.

apps/notification/models.py

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+from apps.core.models import BaseModel
+from apps.authentication.models import Organization
+from django.db import models
+
+
+class Notification(BaseModel):
+    NOTIFICATION_TYPES = (
+        ('quota', 'Quota'),
+        ('inventory', 'Inventory'),
+        ('transaction', 'Transaction'),
+        ('system', 'System'),
+    )
+
+    organization = models.ForeignKey(
+        Organization,
+        on_delete=models.CASCADE,
+        related_name='notifications',
+        null=True
+    )
+
+    title = models.CharField(max_length=255, null=True)
+    message = models.TextField(null=True, blank=True)
+    type = models.CharField(
+        max_length=50,
+        choices=NOTIFICATION_TYPES,
+        default='system'
+    )
+    is_read = models.BooleanField(default=False)
+    delivered = models.BooleanField(default=False)
+
+    def __str__(self):
+        return f'{self.organization.name} - {self.title}'
+
+    def save(self, *args, **kwargs):
+        return super(Notification, self).save(*args, **kwargs)

apps/notification/services.py

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+# Your services go here

apps/notification/urls.py

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+# Your urls go here