279 lines
11 KiB
Python
279 lines
11 KiB
Python
from hashlib import sha256
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from django.core.exceptions import *
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from django.core.validators import RegexValidator
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from django.db import models
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from django.db.models import Q
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from account.models import SiteUser
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from datetime import datetime
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import os
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class City(models.Model):
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code = models.CharField(primary_key=True, max_length=20, verbose_name="Код города", validators=[
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RegexValidator(regex="^[0-9a-zA-Z_]*$"),
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])
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name = models.CharField(unique=True, max_length=50, verbose_name="Название города")
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def __str__(self):
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return f"{self.name} ({self.code})"
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@staticmethod
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def to_choices():
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return City.objects.order_by('name').values_list('code', 'name')
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def _phone_validate(phone, order=None):
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if phone is not None:
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err_obj = {"phone": f'Телефон {phone} уже используется другим аккаунтом'}
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if SiteUser.objects.filter(phone=phone).count() > 0:
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raise ValidationError(
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err_obj,
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code='permission'
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)
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if order is None:
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if Order.objects.filter(phone=phone).count() > 0:
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raise ValidationError(
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err_obj,
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code='permission'
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)
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else:
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if Order.objects.filter(~Q(id=order.id), phone=phone).count() > 0:
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raise ValidationError(
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err_obj,
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code='permission'
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)
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def _email_validate(email, order=None):
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if email is not None:
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err_obj = {'email': f'Почта {email} уже используется другим аккаунтом'}
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if SiteUser.objects.filter(email=email).count():
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raise ValidationError(
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err_obj,
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code='permission'
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)
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if order is None:
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if Order.objects.filter(email=email).count() > 0:
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raise ValidationError(
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err_obj,
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code='permission'
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)
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else:
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if Order.objects.filter(~Q(id=order.id), email=email).count() > 0:
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raise ValidationError(
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err_obj,
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code='permission'
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)
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class Order(models.Model):
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# основные поля: название и описание
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name = models.CharField(max_length=200, verbose_name="Название заказа")
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description = models.TextField(blank=True, verbose_name="Описание")
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# площадь в квадратных метрах
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square = models.DecimalField(max_digits=7, decimal_places=2, blank=False, verbose_name="Площадь в м²")
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work_time = models.CharField(max_length=100, blank=True, verbose_name="Рабочее время")
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# дальше вид дома, тип ремонта, тип квартиры, требуется дизайн проект, закуп материала, тип исполнителя
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CHOICE_UNDEFINED = ''
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# тип ремонта
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TYPE_OF_RENOVATION_OVERHAUL = 'overhaul'
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TYPE_OF_RENOVATION_PARTIAL = 'partial'
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TYPE_OF_RENOVATION_REDECOR = 'redecor'
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TYPE_OF_RENOVATION_PREMIUM = 'premium'
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TYPE_OF_RENOVATION_DESIGN = 'design'
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TYPE_OF_RENOVATION_CHOICES = [
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(TYPE_OF_RENOVATION_OVERHAUL, 'Капитальный'),
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(TYPE_OF_RENOVATION_PARTIAL, 'Частичный'),
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(TYPE_OF_RENOVATION_REDECOR, 'Косметический'),
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(TYPE_OF_RENOVATION_PREMIUM, 'Премиальный'),
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(TYPE_OF_RENOVATION_DESIGN, 'Дизайнерский'),
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]
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type_of_renovation = models.CharField(max_length=10, choices=TYPE_OF_RENOVATION_CHOICES, default=CHOICE_UNDEFINED,
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blank=True, verbose_name="Тип ремонта")
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# тип дома
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TYPE_OF_HOUSE_BLOCK = 'block'
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TYPE_OF_HOUSE_BRICK = 'brick'
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TYPE_OF_HOUSE_MONOLITH = 'monolith'
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TYPE_OF_HOUSE_PANEL = 'panel'
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TYPE_OF_HOUSE_CHOICES = [
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(TYPE_OF_HOUSE_BLOCK, 'Блочный'),
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(TYPE_OF_HOUSE_BRICK, 'Кирпичный'),
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(TYPE_OF_HOUSE_MONOLITH, 'Монолит'),
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(TYPE_OF_HOUSE_PANEL, 'Панельный'),
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]
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type_of_house = models.CharField(max_length=10, choices=TYPE_OF_HOUSE_CHOICES, blank=True, default=CHOICE_UNDEFINED,
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verbose_name="Тип дома")
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# тип квартиры
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TYPE_OF_ROOM_PRIMARY = 'primary'
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TYPE_OF_ROOM_SECONDARY = 'secondary'
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TYPE_OF_ROOM_CHOICES = [
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(TYPE_OF_ROOM_PRIMARY, 'Первичка'),
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(TYPE_OF_ROOM_SECONDARY, 'Вторичка')
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]
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type_of_room = models.CharField(max_length=10, choices=TYPE_OF_ROOM_CHOICES, blank=True, default=CHOICE_UNDEFINED,
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verbose_name="Тип квартиры")
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# требуется дизайн проект
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REQUIRED_DESIGN_CHOICES = ((True, 'Да'), (False, 'Нет'))
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is_require_design = models.BooleanField(default=None, blank=True, null=True, choices=REQUIRED_DESIGN_CHOICES,
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verbose_name="Требуется дизайн проект")
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# закуп материала
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PURCHASE_OF_MATERIAL_EXECUTOR = 'executor'
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PURCHASE_OF_MATERIAL_CUSTOMER = 'customer'
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PURCHASE_OF_MATERIAL_CHOICES = [
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(PURCHASE_OF_MATERIAL_EXECUTOR, 'Исполнитель'),
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(PURCHASE_OF_MATERIAL_CUSTOMER, 'Заказчик')
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]
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purchase_of_material = models.CharField(max_length=10, choices=PURCHASE_OF_MATERIAL_CHOICES,
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blank=True, default=CHOICE_UNDEFINED, verbose_name="Закуп материала")
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# тип исполнителя
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TYPE_OF_EXECUTOR_INDIVIDUAL = 'individual'
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TYPE_OF_EXECUTOR_COMPANY = 'company'
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TYPE_OF_EXECUTOR_CHOICES = [
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(TYPE_OF_EXECUTOR_INDIVIDUAL, 'Самозанятый/бригада'),
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(TYPE_OF_EXECUTOR_COMPANY, 'Компания')
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]
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type_of_executor = models.CharField(max_length=10, choices=TYPE_OF_EXECUTOR_CHOICES,
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blank=True, default=CHOICE_UNDEFINED, verbose_name="Тип исполнителя")
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# дальше отдельные параметры
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is_with_warranty = models.BooleanField(default=True, verbose_name="С гарантией")
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is_with_contract = models.BooleanField(default=False, verbose_name="Работа по договору")
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is_with_trade = models.BooleanField(default=False, verbose_name="Возможен торг")
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is_with_cleaning = models.BooleanField(default=False, verbose_name="С уборкой")
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is_with_garbage_removal = models.BooleanField(default=False, verbose_name="С вывозом мусора")
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# примерная цена
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approximate_price = models.DecimalField(max_digits=12, decimal_places=2, blank=False, verbose_name="Цена")
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date_start = models.DateField(null=True, blank=True, default=None, verbose_name="Дата начала")
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date_end = models.DateField(null=True, blank=True, default=None, verbose_name="Дата окончания")
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address_city = models.ForeignKey(City, on_delete=models.CASCADE, blank=False, related_name="address_city",
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verbose_name="Город")
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address_text = models.CharField(max_length=70, blank=True, verbose_name="Улица, дом")
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owner = models.ForeignKey(SiteUser, on_delete=models.CASCADE, blank=True, null=True, related_name="owner",
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verbose_name="Владелец")
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email = models.EmailField(null=True, blank=True, verbose_name="Email")
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phone = models.CharField(null=True, blank=True, max_length=16, verbose_name="Телефон", validators=[
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RegexValidator(regex="^\\+7[0-9]{10}$")
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])
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create_time = models.DateTimeField(default=datetime.now, editable=False, verbose_name="Время создания")
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moderated = models.BooleanField(default=True, verbose_name="Модерирован")
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published = models.BooleanField(default=False, verbose_name="Опубликован")
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def clean(self):
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errors = {}
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try:
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if self.pk is None:
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_phone_validate(self.phone)
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else:
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_phone_validate(self.phone, self)
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except ValidationError as e:
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errors["phone"] = [e]
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try:
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if self.pk is None:
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_email_validate(self.email)
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else:
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_email_validate(self.email, self)
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except ValidationError as e:
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errors["email"] = [e]
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if len(errors) > 0:
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raise ValidationError(errors)
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def save(self, *args, **kwargs):
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if self.pk is None:
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if self.owner is None:
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if self.phone is None or self.email is None:
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raise Exception("Could not save: need contact information")
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if self.owner is not None:
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self.phone = None
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self.email = None
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self.full_clean()
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super().save(*args, **kwargs)
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def __str__(self):
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return self.name
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@staticmethod
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def get_all_for_user(user):
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if user.is_staff:
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return Order.objects.filter().order_by('create_time')
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else:
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return Order.objects.filter(published=True, moderated=True).order_by('create_time')
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@staticmethod
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def get_for_user_by_id(user, order_id):
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q = Order.get_all_for_user(user).filter(id=order_id)
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if len(q) == 0:
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return None
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else:
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return q[0]
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def _upload_image_filename(instance, filename):
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name, ext = os.path.splitext(filename)
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fn = sha256((str(datetime.now()) + name).encode('utf-8')).hexdigest() + ext
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return "order-images/" + fn
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class OrderImage(models.Model):
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MAX_IMAGES = 10
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order = models.ForeignKey(Order, on_delete=models.CASCADE, related_name="order", verbose_name="Заказ")
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image = models.ImageField(upload_to=_upload_image_filename, verbose_name="Картинка",
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width_field=None, height_field=None)
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def __str__(self):
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return f"{self.id}: {self.order}"
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class OrderRespond(models.Model):
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create_time = models.DateTimeField(default=datetime.now, editable=False, verbose_name="Время отклика")
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user = models.ForeignKey(SiteUser, on_delete=models.CASCADE, related_name="respond_user", verbose_name="Пользователь")
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order = models.ForeignKey(Order, on_delete=models.CASCADE, related_name="respond_order", verbose_name="Заказ")
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class Meta:
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constraints = [
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models.UniqueConstraint(
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fields=['user', 'order'], name='unique_order_respond_user_order'
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)
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]
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def __str__(self):
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return f"{self.order}: {self.user}"
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def save(self, *args, **kwargs):
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if Order.objects.get(id=self.order.id) == self.user.id:
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raise Exception("User can't respond to self order")
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self.full_clean()
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super().save(*args, **kwargs)
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