promotions create

apps/promotions/handlers.py

@@ -9,13 +9,13 @@ from utils.clients.wallet_client import deposit_to_user_wallet_submit, deposit_t
 logger = logging.getLogger("promotion_handler")
 
 class PromotionTypeChoices(models.TextChoices):
-    WALLET_PERCENTAGE = 'wallet percentage', _('Wallet percentage')
+    PERCENTAGE = 'percentage', _('percentage')
     OTHERS = 'others', _('others')
 
     @enum_property
     def handler(self):
-        if self.name == self.WALLET_PERCENTAGE.name:
+        if self.name == self.PERCENTAGE.name:
-            return WalletPercentageHandler
+            return PercentageHandler
 
         elif self.name == self.OTHERS.name:
             return OtherHandler
@@ -37,7 +37,7 @@ class BasePromotionHandler:
         raise NotImplementedError()
 
 
-class WalletPercentageHandler(BasePromotionHandler):
+class PercentageHandler(BasePromotionHandler):
     def calculate(self, **kwargs):
         base_amount = kwargs.get('base_amount', 0)
 
@@ -49,6 +49,7 @@ class WalletPercentageHandler(BasePromotionHandler):
         return promotion_amount
 
     def promote(self, promotion, **kwargs):
+        pass
         payee_type = self.policy.get('payee_type')
         payee_uuid = self.policy.get('payee_uuid')
 

apps/promotions/migrations/0006_rename_details_event_data.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.6 on 2025-09-18 11:22
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('promotions', '0005_event_plan_event_list'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='event',
+            old_name='details',
+            new_name='data',
+        ),
+    ]

apps/promotions/migrations/0007_plan_max_amount_plan_min_amount_and_more.py

@@ -0,0 +1,28 @@
+# Generated by Django 5.2.6 on 2025-09-20 11:25
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('promotions', '0006_rename_details_event_data'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='plan',
+            name='max_amount',
+            field=models.FloatField(blank=True, null=True),
+        ),
+        migrations.AddField(
+            model_name='plan',
+            name='min_amount',
+            field=models.FloatField(blank=True, null=True),
+        ),
+        migrations.AlterField(
+            model_name='plan',
+            name='promotion_type',
+            field=models.CharField(choices=[('percentage', 'percentage'), ('others', 'others')], db_index=True, max_length=64, verbose_name='promotion type'),
+        ),
+    ]

apps/promotions/models.py

@@ -6,6 +6,7 @@ from django.utils import timezone
 from oauth2_provider.settings import oauth2_settings
 
 from apps.promotions.handlers import PromotionTypeChoices, BasePromotionHandler
+from apps.users.models import User
 from utils.models import BaseModel
 
 from django.utils.translation import gettext_lazy as _
@@ -14,6 +15,7 @@ from django.utils.translation import gettext_lazy as _
 class EventQuerySet(models.QuerySet):
     pass
 
+
 class Event(BaseModel):
     label = models.CharField(max_length=255, db_index=True)
     data = models.JSONField()  # from to amount application user etc
@@ -25,10 +27,10 @@ class Event(BaseModel):
 
     def analyze(self):
         for plan in Plan.objects.get_related_to_event(self):
+            print(plan)
             plan.process_event(self)
 
 
-
 class PlanQuerySet(models.QuerySet):
 
     # this is for list of discount code for example
@@ -48,11 +50,13 @@ class Plan(BaseModel):
     event_list = models.JSONField(default=list)
     title = models.CharField(max_length=255, verbose_name=_('title'), db_index=True)
     description = models.TextField(verbose_name=_('description'), blank=True)
-    promotion_type = models.CharField(max_length=64, verbose_name=_('promotion type'), db_index=True, choices=PromotionTypeChoices.choices)
+    promotion_type = models.CharField(max_length=64, verbose_name=_('promotion type'), db_index=True,
+                                      choices=PromotionTypeChoices.choices)
+    min_amount = models.FloatField(null=True, blank=True)
+    max_amount = models.FloatField(null=True, blank=True)
     policy = models.JSONField(default=dict, verbose_name=_('policy'), null=True, blank=True)
     balance = models.IntegerField(verbose_name=_('balance'), default=0)
 
-
     objects = PlanQuerySet.as_manager()
 
     def __str__(self):
@@ -68,7 +72,7 @@ class Plan(BaseModel):
 
     def calculate_promotion(self, **kwargs):
         handler = self.handler
-        self.base_amount = kwargs.get('base_amount', 0)
+        # self.base_amount = kwargs.get('base_amount', 0)
         return handler.calculate(**kwargs)
 
     def reserve_promotion_amount(self, amount):
@@ -80,14 +84,20 @@ class Plan(BaseModel):
         return updated
 
     def process_event(self, event=None):
+        print(event)
         referral_code = event.data.get('referral_code')
         user_uuid = event.data.get('user_uuid')
-        promotion_amount = self.calculate_promotion()
+        promotion_amount = self.calculate_promotion(**self.policy)
-        if referral_code and promotion_amount and not self.promotions.filter(user_id=referral_code, data__user_uuid=user_uuid).exists():
+        if referral_code and promotion_amount and not self.promotions.filter(user_id=referral_code,
+                                                                             data__user_uuid=user_uuid).exists():
+            referral_user, created = User.objects.get_or_create(uuid=referral_code)
+            user = User.objects.get_or_create(uuid=user_uuid)
             with transaction.atomic():
                 if self.reserve_promotion_amount(promotion_amount):
-                    promotion, created = Promotion.objects.get_or_create()
+                    promotion, created = Promotion.objects.get_or_create(plan=self, user=referral_user, defaults={
-                    if created:
+                        "data": event.data
+                    })
+                    if not created:
                         raise Exception('Promotion already reserved')
                 else:
                     raise Exception('Promotion already reserved')
@@ -139,8 +149,6 @@ class Promotion(BaseModel):
             raise Exception(error_message)
 
     def promote(self, **kwargs):
-        with transaction.atomic():
-            self.plan.reserve_promotion_amount(self)
         self.change_state(from_states=[Promotion.StateChoices.CREATED], to_state=Promotion.StateChoices.ASSIGNED,
                               same_ok=False, raise_exception=True)
 
@@ -149,6 +157,3 @@ class Promotion(BaseModel):
             self.change_state(from_states=[Promotion.StateChoices.ASSIGNED], to_state=Promotion.StateChoices.PROMOTED)
             return True
         return False
-
-
-