fix: fix using random generators for models' field

backend/backend_api/migrations/0059_alter_discount_code_and_more.py

@@ -0,0 +1,29 @@
+# Generated by Django 4.2.4 on 2024-01-11 13:15
+
+from django.db import migrations, models
+import utils.random
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('backend_api', '0058_presentation_recorded_link_workshop_recorded_link_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='discount',
+            name='code',
+            field=models.CharField(default=utils.random.random_discount_code, max_length=32, unique=True),
+        ),
+        migrations.AlterField(
+            model_name='presentationparticipation',
+            name='password',
+            field=models.CharField(default=utils.random.random_password, max_length=255),
+        ),
+        migrations.AlterField(
+            model_name='workshopregistration',
+            name='password',
+            field=models.CharField(default=utils.random.random_password, max_length=255),
+        ),
+    ]

backend/backend_api/models.py

@@ -20,7 +20,7 @@
 from aaiss_backend.settings import BASE_URL
 from backend_api import validators
 from backend_api.email import MailerThread
-from utils.random import create_random_string
+from utils.random import create_random_string, random_password, random_discount_code
 from utils.renderers import new_detailed_response
 
 SMALL_MAX_LENGTH = 255
@@ -288,11 +288,10 @@ class StatusChoices(models.IntegerChoices):
         AWAITING_PAYMENT = 1, _('Waiting for payment')
         PURCHASED = 2, _('Purchase confirmed')
 
-    _PASSWORD_LENGTH = 16
     workshop = models.ForeignKey(Workshop, on_delete=models.CASCADE)
     user = models.ForeignKey(User, on_delete=models.CASCADE)
     status = models.IntegerField(choices=StatusChoices.choices, default=StatusChoices.AWAITING_PAYMENT)
-    password = models.CharField(max_length=SMALL_MAX_LENGTH, default=create_random_string(_PASSWORD_LENGTH))
+    password = models.CharField(max_length=SMALL_MAX_LENGTH, default=random_password)
 
     class Meta:
         unique_together = ('workshop', 'user',)
@@ -307,11 +306,10 @@ class StatusChoices(models.IntegerChoices):
         AWAITING_PAYMENT = 1, _('Waiting for payment')
         PURCHASED = 2, _('Purchase confirmed')
 
-    _PASSWORD_LENGTH = 16
     presentation = models.ForeignKey(Presentation, on_delete=models.CASCADE)
     user = models.ForeignKey(User, on_delete=models.CASCADE)
     status = models.IntegerField(choices=StatusChoices.choices, default=StatusChoices.AWAITING_PAYMENT)
-    password = models.CharField(max_length=SMALL_MAX_LENGTH, default=create_random_string(_PASSWORD_LENGTH))
+    password = models.CharField(max_length=SMALL_MAX_LENGTH, default=random_password)
 
     class Meta:
         unique_together = ('presentation', 'user',)
@@ -357,8 +355,8 @@ def __str__(self):
 
 
 class Discount(models.Model):
-    _CODE_LENGTH = 32
-    code = models.CharField(max_length=_CODE_LENGTH, null=False, default=create_random_string(_CODE_LENGTH),
+    _MAX_CODE_LENGTH = 32
+    code = models.CharField(max_length=_MAX_CODE_LENGTH, null=False, default=random_discount_code,
                             unique=True)
     discount_percent = models.IntegerField(default=0)
     is_active = models.BooleanField(default=False)

backend/utils/random.py

@@ -1,6 +1,19 @@
 import random
 import string
 
+_PASSWORD_LENGTH = 16
+_DISCOUNT_CODE_LENGTH = 32
+
 
 def create_random_string(length: int) -> str:
-    return ''.join(random.SystemRandom().choice(string.ascii_uppercase + string.ascii_lowercase + string.digits) for _ in range(length))
+    return ''.join(
+        random.SystemRandom().choice(string.ascii_uppercase + string.ascii_lowercase + string.digits) for _ in
+        range(length))
+
+
+def random_password() -> str:
+    return create_random_string(_PASSWORD_LENGTH)
+
+
+def random_discount_code() -> str:
+    return create_random_string(_DISCOUNT_CODE_LENGTH)