From 91b39b877bcfb6c207477fb148092bf8088a1b3a Mon Sep 17 00:00:00 2001
From: Yuri Pomazkin <1yunker@gmail.com>
Date: Tue, 28 Nov 2023 14:34:47 +0500
Subject: [PATCH] Added address_line validation and strip multiple spaces

---
 backend/api/serializers.py     |  4 ++++
 backend/projects/models.py     |  4 +++-
 backend/projects/validators.py | 26 ++++++++++++++++++++++++++
 3 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/backend/api/serializers.py b/backend/api/serializers.py
index 545a721..01a14f5 100644
--- a/backend/api/serializers.py
+++ b/backend/api/serializers.py
@@ -1,3 +1,5 @@
+import re
+
 from django.conf import settings
 from django.contrib.auth import get_user_model
 from django.db import transaction
@@ -430,6 +432,7 @@ def create(self, validated_data):
             address, _ = Address.objects.get_or_create(
                 **validated_data.pop('event_address')
             )
+            address.address_line = re.sub(' +', ' ', address.address_line)
             project_instanse = Project.objects.create(
                 event_address=address, **validated_data
             )
@@ -443,6 +446,7 @@ def update(self, instance, validated_data):
             address = instance.event_address
             for attr, value in address_data.items():
                 setattr(address, attr, value)
+            address.address_line = re.sub(' +', ' ', address.address_line)
             address.save()
         return super(ProjectSerializer, self).update(instance, validated_data)
 
diff --git a/backend/projects/models.py b/backend/projects/models.py
index 07c3a38..3375ac1 100644
--- a/backend/projects/models.py
+++ b/backend/projects/models.py
@@ -11,6 +11,7 @@
 from .validators import (
     LengthValidator,
     regex_string_validator,
+    validate_address,
     validate_name,
     validate_ogrn,
     validate_phone_number,
@@ -212,7 +213,8 @@ class Address(models.Model):
     """
 
     address_line = models.CharField(
-        max_length=100, verbose_name='Адрес в одну строчку'
+        max_length=100, verbose_name='Адрес в одну строчку',
+        validators=[validate_address]
     )
     street = models.CharField(max_length=75, verbose_name='Улица')
     house = models.CharField(max_length=5, verbose_name='Дом')
diff --git a/backend/projects/validators.py b/backend/projects/validators.py
index 74bcc5d..e35fbbb 100644
--- a/backend/projects/validators.py
+++ b/backend/projects/validators.py
@@ -223,3 +223,29 @@ def validate_text_field(value):
     min_length_validator(value)
     max_length_validator(value)
     regex_validator(value)
+
+
+def validate_address(value):
+    """
+    Валидация адреса.
+    """
+    MIN_LEN = 2
+    MAX_LEN = 100
+    NAME_REGEX = r'^[A-Za-zА-Яа-я0-9 ,-.]+$'
+
+    min_length_validator = MinLengthValidator(
+        MIN_LEN,
+        message=f'Минимальная длина поля должна быть: {MIN_LEN}.',
+    )
+    max_length_validator = MaxLengthValidator(
+        MAX_LEN,
+        message=f'Максимальная длина поля должна быть: {MAX_LEN}.',
+    )
+    regex_validator = RegexValidator(
+        regex=NAME_REGEX,
+        message='Недопустимые символы в адресе. Разрешены латинские '
+        'и кириллические буквы, цифры, пробел, запятая, точка и тире.',
+    )
+    min_length_validator(value)
+    max_length_validator(value)
+    regex_validator(value)