feat(utilities): add paths and validators

Author: tyronejosee

apps/utilities/paths.py

@@ -0,0 +1,15 @@
+"""Paths for Utilities App."""
+
+from django.utils.text import slugify
+
+
+def image_path(instance, filename):
+    """Generates storage path for associated model images."""
+    # appname = apps.contents.models
+    appname = instance.__class__.__module__.split(".")[1]
+    modelname = instance.__class__.__name__.lower()
+    extension = filename.split(".")[-1]
+    name_slug = slugify(instance.name)[:50]
+    filename = f"{name_slug}.{extension}"
+
+    return f"{appname}/{modelname}/{filename}"

apps/utilities/validators.py

@@ -0,0 +1,23 @@
+""""Validators for Drivers App."""
+
+from datetime import date
+from django.core.exceptions import ValidationError
+from django.core.validators import RegexValidator
+
+
+def validate_phone(value):
+    """Validate a phone number according to the Chilean format."""
+    validator = RegexValidator(
+        regex=r'^\+56\d{9}$',
+        message="Invalid phone number.",
+        code="invalid_name"
+    )
+    validator(value)
+
+
+def validate_birth_date(value):
+    """Validate that the person is at least 18 years old."""
+    if (date.today() - value).days < 6570:  # 6570 days = 18 years
+        raise ValidationError(
+            "You must be at least 18 years old to register as a driver."
+        )