Разработан чат-бот

models/__init__.py

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+from aiogram.types import Message
+from aiogram.types.reply_keyboard import KeyboardButton
+from aiogram.dispatcher import FSMContext
+from aiogram.types.input_file import InputFile
+
+from .models import date, email_address, phone_number, iso_datetime, max_comment_length, ReplyKeyboardMarkup, Category, Subcategory, Executor, TimeRange, FreeToOrder, Order, Issue

models/models.py

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+from aiogram.types.reply_keyboard import ReplyKeyboardMarkup as _ReplyKeyboardMarkup
+from datetime import date, time, datetime, timedelta
+from pydantic import BaseModel
+import re
+from typing import Literal
+
+
+email_address = re.compile(r'(^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$)')
+phone_number = re.compile(r'\D*')
+iso_datetime = re.compile(r'(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2}).(\d{0,6})([+-]?\d{0,2}:?\d{0,2})')
+max_comment_length = 1024
+
+
+class ReplyKeyboardMarkup(_ReplyKeyboardMarkup):
+    def __init__(self, keyboard=None):
+        super().__init__(
+            keyboard=keyboard,
+            resize_keyboard=True,
+        )
+
+
+class Category(BaseModel):
+    id: int
+    name: str
+    description: str
+
+
+class Subcategory(BaseModel):
+    category: Category
+    id: int
+    name: str
+    description: str
+
+
+class Executor(BaseModel):
+    id: int
+    name: str
+
+
+class TimeRange(BaseModel):
+    id: int
+    start_time: time
+    end_time: time
+
+    def __hash__(self):
+        return self.id
+
+
+class FreeToOrder(BaseModel):
+    date: date
+    time_range: TimeRange
+    executor: Executor
+    busy_interval: timedelta
+
+
+class Order(BaseModel):
+    id: int
+    subcategory: Subcategory
+    date: date
+    time_range: TimeRange
+    executor: Executor
+    telegram_id: int
+    email_address: str
+    phone_number: str
+    comment: str
+    start_time: datetime = None
+    end_time: datetime = None
+
+
+class Issue(BaseModel):
+    id: int
+    key: str
+    status: Literal[
+        'undefined',
+        'new',
+        'indeterminate',
+        'done',
+    ]
+    telegram_id: int