separated clients handlers, cart->checkout ppline

config.py

@@ -17,3 +17,4 @@ POSTGRES_URL = os.getenv(
 ### Constants ###
 
 PAGE_SIZE = 4
+VERIFIED_ACCOUNTS = [1026030711]

dto/cart.py

@@ -1,4 +1,5 @@
 from dataclasses import dataclass
+from typing import Optional
 
 
 @dataclass(frozen=True)
@@ -17,3 +18,4 @@ class CartItemDTO:
 class CartDTO:
     items: list[CartItemDTO]
     total: int
+    order_id: Optional[int] = None

dto/checkout.py

@@ -0,0 +1,18 @@
+from dataclasses import dataclass
+from typing import Optional
+
+from aiogram.types import Message
+
+
+@dataclass
+class CheckoutContext:
+    orig_msg: Message
+    order_id: int
+    name: Optional[str] = None
+    phone: Optional[str] = None
+    address: Optional[str] = None
+
+
+@dataclass
+class PaymentContext:
+    notification_msg: Message

handlers/__init__.py

@@ -1,9 +1,4 @@
-from aiogram import Dispatcher
+from .client import routers as client_routers
+from .admins import routers as admins_routers
 
-from .client import router as client_router
-from .admins import router as admins_router
-
-
-def init_handlers(dp: Dispatcher):
-    dp.include_router(client_router)
-    dp.include_router(admins_router)
+__all__ = ["client_routers", "admins_routers"]

handlers/admins.py

@@ -1,9 +0,0 @@
-from aiogram import Router
-from aiogram.types import Message
-
-router = Router()
-
-
-@router.message()
-async def echo(msg: Message):
-    await msg.answer(msg.text)

handlers/admins/__init__.py

@@ -0,0 +1 @@
+routers = []

handlers/client.py

@@ -1,347 +0,0 @@
-import os
-from re import Match
-from aiogram import Router, F
-from aiogram.types import CallbackQuery, FSInputFile, Message
-from aiogram.filters import Command
-from aiogram.fsm.context import FSMContext
-from sqlalchemy.ext.asyncio import AsyncSession
-
-from config import PAGE_SIZE
-from misc.kb import main_menu_kb, render_category
-from misc.kb.client import (
-    get_back_to_catalogue,
-    render_cart,
-    render_product_interactions,
-    render_products,
-)
-from misc.texts import get_product_description
-from repositories.categories import CategoriesRepository
-from repositories.products import ProductRepository
-from services.orders import OrderService
-
-router = Router()
-
-
-@router.message(Command("start"))
-async def main_menu(
-    msg: Message, state: FSMContext, session: AsyncSession, order_service: OrderService
-):
-    await state.clear()
-
-    cart_items = await order_service.get_cart_items_count(session, msg.from_user.id)
-    await msg.answer(
-        "hii!", reply_markup=main_menu_kb(cart_items)
-    )  # TODO: Write a welcome message
-
-
-@router.callback_query(F.data.startswith("menu:"))
-async def main_menu_cb(
-    cb: CallbackQuery,
-    state: FSMContext,
-    session: AsyncSession,
-    order_service: OrderService,
-):
-    await state.clear()
-
-    cart_items = await order_service.get_cart_items_count(session, cb.from_user.id)
-    await cb.message.edit_text(
-        "hii!", reply_markup=main_menu_kb(cart_items)
-    )  # TODO: Write a welcome message
-
-
-@router.message(Command("orders"))
-async def get_orders(
-    msg: Message,
-    state: FSMContext,
-    order_service: OrderService,
-    session: AsyncSession,
-):
-    await state.clear()
-
-    count = await order_service.get_order_count(session, msg.from_user.id)
-    await msg.answer(f"you have {count} orders.")
-
-
-@router.callback_query(F.data.startswith("cat:"))
-async def subcatalogue(
-    cb: CallbackQuery,
-    state: FSMContext,
-    session: AsyncSession,
-    categories_repo: CategoriesRepository,
-    products_repo: ProductRepository,
-):
-    await state.clear()
-
-    cat_id = cb.data.split(":")[1]
-
-    if cat_id == "root":
-        children = await categories_repo.get_categories_by_parent_id(session)
-        kb = render_category(children, show_menu=True)
-        await cb.message.edit_text(
-            "category selection",
-            reply_markup=kb,
-        )
-        return
-
-    cat_id = int(cat_id)
-
-    children = await categories_repo.get_categories_by_parent_id(session, cat_id)
-    category = await categories_repo.get_category_by_id(session, cat_id)
-    parent_id = category.parent_id or "root"
-
-    if not children:
-        products = await products_repo.get_product_by_category(
-            session, cat_id, limit=PAGE_SIZE + 1, offset=0
-        )
-        products_len = len(products)
-
-        if not products:
-            await cb.message.edit_text(
-                "🍃 Здесь ничего нет...",
-                reply_markup=get_back_to_catalogue(parent_id),
-            )
-            return
-
-        if cb.message.photo:
-            await cb.message.delete()
-            await cb.message.answer(
-                "hya",
-                reply_markup=render_products(
-                    products[:PAGE_SIZE],
-                    parent_id=parent_id,
-                    cat_id=cat_id,
-                    page=0,
-                    show_prev=products_len < 0,
-                    show_next=products_len > PAGE_SIZE,
-                ),
-            )
-            return
-
-        await cb.message.edit_text(
-            "hya",
-            reply_markup=render_products(
-                products[:PAGE_SIZE],
-                parent_id=parent_id,
-                cat_id=cat_id,
-                page=0,
-                show_prev=products_len < 0,
-                show_next=products_len > PAGE_SIZE,
-            ),
-        )
-        return
-
-    kb = render_category(children, parent_id)
-
-    await cb.message.edit_text(
-        "category selection",
-        reply_markup=kb,
-    )
-
-
-@router.callback_query(
-    F.data.regexp(r"products:(?P<category_id>.*):(?P<page_id>\d+)").as_(
-        "pagination_match"
-    )
-)
-async def products_pagination(
-    cb: CallbackQuery,
-    state: FSMContext,
-    pagination_match: Match[str],
-    session: AsyncSession,
-    products_repo: ProductRepository,
-    categories_repo: CategoriesRepository,
-):
-    await state.clear()
-
-    pagination_data = pagination_match.groupdict()
-    category_id = int(pagination_data.get("category_id"))
-    category = await categories_repo.get_category_by_id(session, category_id)
-    page_id = int(pagination_data.get("page_id", 0))
-
-    products = await products_repo.get_product_by_category(
-        session, category_id, limit=PAGE_SIZE + 1, offset=page_id * PAGE_SIZE
-    )
-    products_len = len(products)
-
-    await cb.message.edit_reply_markup(
-        reply_markup=render_products(
-            products[:PAGE_SIZE],
-            parent_id=category.parent_id,
-            cat_id=category_id,
-            page=page_id,
-            show_prev=page_id > 0,
-            show_next=products_len > PAGE_SIZE,
-        ),
-    )
-
-
-@router.callback_query(F.data.startswith("product:"))
-async def product_card(
-    cb: CallbackQuery,
-    state: FSMContext,
-    session: AsyncSession,
-    products_repo: ProductRepository,
-    order_service: OrderService,
-):
-    await state.clear()
-
-    product_id = int(cb.data.split(":")[1])
-    product = await products_repo.get_product_by_id(session, product_id)
-
-    order_item = await order_service.get_cart_product_amount(
-        session, customer=cb.from_user.id, product_id=product_id
-    )
-
-    if product.file_id:
-        await cb.message.delete()
-
-        msg = await cb.message.answer_photo(
-            product.file_id,
-            caption=get_product_description(product),
-            reply_markup=render_product_interactions(
-                product_id=product.id,
-                category_id=product.category_id,
-                show_cart=bool(order_item),
-                cart_amount=order_item,
-            ),
-        )
-        return
-
-    if not os.path.isfile(product.img_path):
-        await cb.message.edit_text(
-            get_product_description(product),
-            reply_markup=render_product_interactions(
-                product_id=product.id,
-                category_id=product.category_id,
-                show_cart=bool(order_item),
-                cart_amount=order_item,
-            ),
-        )
-        return
-
-    await cb.message.delete()
-    msg = await cb.message.answer_photo(
-        FSInputFile(product.img_path),
-        caption=get_product_description(product),
-        reply_markup=render_product_interactions(
-            product_id=product.id,
-            category_id=product.category_id,
-            show_cart=bool(order_item),
-            cart_amount=order_item,
-        ),
-    )
-
-    if not msg.photo:
-        return  # TODO: Add logging
-
-    await products_repo.add_product_file_id(
-        session, product_id, file_id=msg.photo[-1].file_id
-    )
-
-
-@router.callback_query(F.data.startswith("cart_action:"))
-async def add_to_cart(
-    cb: CallbackQuery,
-    state: FSMContext,
-    session: AsyncSession,
-    order_service: OrderService,
-    products_repo: ProductRepository,
-):
-    await state.clear()
-
-    action = cb.data.split(":")[1]
-    product_id = int(cb.data.split(":")[2])
-    product = await products_repo.get_product_by_id(session, product_id)
-    show_cart = True
-
-    if action == "add":
-        quantity = await order_service.add_to_cart(
-            session, customer=cb.from_user.id, product_id=product_id
-        )
-    elif action == "remove":
-        quantity = await order_service.remove_from_cart(
-            session, customer=cb.from_user.id, product_id=product_id
-        )
-        show_cart = bool(quantity)
-    else:
-        show_cart = False
-        quantity = 0
-        await order_service.clear_cart_item(
-            session, customer=cb.from_user.id, product_id=product_id
-        )
-
-    try:
-        await cb.message.edit_reply_markup(
-            reply_markup=render_product_interactions(
-                product_id=product_id,
-                category_id=product.category_id,
-                show_cart=show_cart,
-                cart_amount=quantity,
-            )
-        )
-    except Exception as e:
-        await cb.answer("🍃")
-        raise e
-
-
-@router.callback_query(F.data == "cart")
-async def cart_init(
-    cb: CallbackQuery,
-    state: FSMContext,
-    session: AsyncSession,
-    order_service: OrderService,
-):
-    await state.clear()
-
-    cart = await order_service.build_cart_dto(session, customer=cb.from_user.id)
-
-    await cb.message.edit_text(
-        f"total: {cart.total}₽",
-        reply_markup=render_cart(
-            cart.items[:PAGE_SIZE], show_next=len(cart.items) > PAGE_SIZE
-        ),
-    )
-
-
-@router.message(Command("cart"))
-async def cart_cmd(
-    msg: Message,
-    state: FSMContext,
-    session: AsyncSession,
-    order_service: OrderService,
-):
-    await state.clear()
-
-    cart = await order_service.build_cart_dto(session, customer=msg.from_user.id)
-
-    await msg.answer(
-        f"total: {cart.total}₽",
-        reply_markup=render_cart(
-            cart.items[:PAGE_SIZE], show_next=len(cart.items) > PAGE_SIZE
-        ),
-    )
-
-
-@router.callback_query(F.data.startswith("cart:"))
-async def cart_pagination(
-    cb: CallbackQuery,
-    state: FSMContext,
-    session: AsyncSession,
-    order_service: OrderService,
-):
-    await state.clear()
-
-    page = int(cb.data.split(":")[1])
-
-    cart = await order_service.build_cart_dto(
-        session, customer=cb.from_user.id, offset=page * PAGE_SIZE
-    )
-
-    await cb.message.edit_reply_markup(
-        reply_markup=render_cart(
-            cart.items[:PAGE_SIZE],
-            page=page,
-            show_next=len(cart.items) > PAGE_SIZE,
-            show_prev=page > 0,
-        ),
-    )

handlers/client/__init__.py

@@ -0,0 +1,15 @@
+from .menu import router as menu_router
+from .catalogue import router as catalogue_router
+from .products import router as products_router
+from .cart import router as cart_router
+from .checkout import router as checkout_router
+from .security import router as security_router
+
+routers = [
+    menu_router,
+    catalogue_router,
+    products_router,
+    cart_router,
+    checkout_router,
+    security_router,
+]

handlers/client/cart.py

@@ -0,0 +1,80 @@
+from aiogram import Router, F
+from aiogram.types import CallbackQuery, Message
+from aiogram.filters import Command
+from aiogram.fsm.context import FSMContext
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from config import PAGE_SIZE
+from misc.kb.client import (
+    render_cart,
+)
+from services.orders import OrderService
+
+router = Router()
+
+
+@router.callback_query(F.data == "cart")
+async def cart_init(
+    cb: CallbackQuery,
+    state: FSMContext,
+    session: AsyncSession,
+    order_service: OrderService,
+):
+    await state.clear()
+
+    cart = await order_service.build_pagination_cart_dto(
+        session, customer=cb.from_user.id
+    )
+
+    await cb.message.edit_text(
+        f"total: {cart.total}₽",
+        reply_markup=render_cart(
+            cart.items[:PAGE_SIZE], show_next=len(cart.items) > PAGE_SIZE
+        ),
+    )
+
+
+@router.message(Command("cart"))
+async def cart_cmd(
+    msg: Message,
+    state: FSMContext,
+    session: AsyncSession,
+    order_service: OrderService,
+):
+    await state.clear()
+
+    cart = await order_service.build_pagination_cart_dto(
+        session, customer=msg.from_user.id
+    )
+
+    await msg.answer(
+        f"total: {cart.total}₽",
+        reply_markup=render_cart(
+            cart.items[:PAGE_SIZE], show_next=len(cart.items) > PAGE_SIZE
+        ),
+    )
+
+
+@router.callback_query(F.data.startswith("cart:"))
+async def cart_pagination(
+    cb: CallbackQuery,
+    state: FSMContext,
+    session: AsyncSession,
+    order_service: OrderService,
+):
+    await state.clear()
+
+    page = int(cb.data.split(":")[1])
+
+    cart = await order_service.build_pagination_cart_dto(
+        session, customer=cb.from_user.id, offset=page * PAGE_SIZE
+    )
+
+    await cb.message.edit_reply_markup(
+        reply_markup=render_cart(
+            cart.items[:PAGE_SIZE],
+            page=page,
+            show_next=len(cart.items) > PAGE_SIZE,
+            show_prev=page > 0,
+        ),
+    )

handlers/client/catalogue.py

@@ -0,0 +1,91 @@
+from aiogram import Router, F
+from aiogram.types import CallbackQuery
+from aiogram.fsm.context import FSMContext
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from config import PAGE_SIZE
+from misc.kb import render_category
+from misc.kb.client import (
+    get_back_to_catalogue,
+    render_products,
+)
+from repositories.categories import CategoriesRepository
+from repositories.products import ProductRepository
+
+router = Router()
+
+
+@router.callback_query(F.data.startswith("cat:"))
+async def subcatalogue(
+    cb: CallbackQuery,
+    state: FSMContext,
+    session: AsyncSession,
+    categories_repo: CategoriesRepository,
+    products_repo: ProductRepository,
+):
+    await state.clear()
+
+    cat_id = cb.data.split(":")[1]
+
+    if cat_id == "root":
+        children = await categories_repo.get_categories_by_parent_id(session)
+        kb = render_category(children, show_menu=True)
+        await cb.message.edit_text(
+            "category selection",
+            reply_markup=kb,
+        )
+        return
+
+    cat_id = int(cat_id)
+
+    children = await categories_repo.get_categories_by_parent_id(session, cat_id)
+    category = await categories_repo.get_category_by_id(session, cat_id)
+    parent_id = category.parent_id or "root"
+
+    if not children:
+        products = await products_repo.get_product_by_category(
+            session, cat_id, limit=PAGE_SIZE + 1, offset=0
+        )
+        products_len = len(products)
+
+        if not products:
+            await cb.message.edit_text(
+                "🍃 Здесь ничего нет...",
+                reply_markup=get_back_to_catalogue(parent_id),
+            )
+            return
+
+        if cb.message.photo:
+            await cb.message.delete()
+            await cb.message.answer(
+                "hya",
+                reply_markup=render_products(
+                    products[:PAGE_SIZE],
+                    parent_id=parent_id,
+                    cat_id=cat_id,
+                    page=0,
+                    show_prev=products_len < 0,
+                    show_next=products_len > PAGE_SIZE,
+                ),
+            )
+            return
+
+        await cb.message.edit_text(
+            "hya",
+            reply_markup=render_products(
+                products[:PAGE_SIZE],
+                parent_id=parent_id,
+                cat_id=cat_id,
+                page=0,
+                show_prev=products_len < 0,
+                show_next=products_len > PAGE_SIZE,
+            ),
+        )
+        return
+
+    kb = render_category(children, parent_id)
+
+    await cb.message.edit_text(
+        "category selection",
+        reply_markup=kb,
+    )

handlers/client/checkout.py

@@ -0,0 +1,122 @@
+from aiogram import Router, F
+from aiogram.types import CallbackQuery, Message
+from aiogram.fsm.context import FSMContext
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from dto.checkout import CheckoutContext
+from misc.kb.client import (
+    order_confirmation,
+    order_specs_confirmation,
+    return_menu,
+)
+from misc.states import CheckoutStorage
+from misc.texts import get_order_item_list
+from misc.utils import is_valid_phone
+from repositories.orders import OrderRepository
+from services.orders import OrderService
+
+router = Router()
+
+
+@router.callback_query(F.data == "checkout")
+async def checkout(
+    cb: CallbackQuery,
+    state: FSMContext,
+    session: AsyncSession,
+    order_service: OrderService,
+):
+    await state.clear()
+
+    cart = await order_service.build_full_cart_dto(session, cb.from_user.id)
+    await cb.message.edit_text(
+        text=get_order_item_list(cart), reply_markup=order_confirmation(cart.order_id)
+    )
+
+
+@router.callback_query(F.data.startswith("confirm_order:"))
+async def order_confirm(
+    cb: CallbackQuery,
+    state: FSMContext,
+    session: AsyncSession,
+    order_repo: OrderRepository,
+):
+    await state.clear()
+
+    order_id = cb.data.split(":")[1]
+    if not order_id.isdigit():
+        await cb.message.edit_text("🍃 Что-то пошло не так.", reply_markup=return_menu)
+        return
+
+    order = await order_repo.get_order_by_id(session, int(order_id))
+    if not order or order.customer != cb.from_user.id:
+        await cb.message.edit_text("🍃 Что-то пошло не так.", reply_markup=return_menu)
+        return
+
+    await cb.message.edit_text("<b>👤 Укажите ваше имя:</b>", reply_markup=return_menu)
+
+    ctx = CheckoutContext(orig_msg=cb.message, order_id=order.id)
+    await state.set_state(CheckoutStorage.name)
+    await state.set_data({"ctx": ctx})
+
+
+@router.message(CheckoutStorage.name)
+async def checkout_name(msg: Message, state: FSMContext):
+    data = await state.get_data()
+    ctx: CheckoutContext = data.get("ctx", CheckoutContext)
+    await state.clear()
+
+    ctx.name = msg.text
+    await msg.delete()
+
+    await ctx.orig_msg.edit_text(
+        f"<i>👤 Имя: {ctx.name}</i>\n\n<b>📱 Укажите ваш номер телефона:</b>",
+        reply_markup=return_menu,
+    )
+
+    await state.set_state(CheckoutStorage.phone)
+    await state.set_data({"ctx": ctx})
+
+
+@router.message(CheckoutStorage.phone)
+async def checkout_phone(msg: Message, state: FSMContext):
+    data = await state.get_data()
+    ctx: CheckoutContext = data.get("ctx", CheckoutContext)
+    await state.clear()
+
+    await msg.delete()
+    if not is_valid_phone(msg.text):
+        await ctx.orig_msg.edit_text(
+            f"❌ <i>{msg.text}</i> не является действительным номером, попробуйте ещё раз.",
+            reply_markup=return_menu,
+        )
+        await state.set_state(CheckoutStorage.phone)
+        await state.set_data({"ctx": ctx})
+        return
+
+    ctx.phone = msg.text
+    await ctx.orig_msg.edit_text(
+        f"<i>👤 Имя: {ctx.name}</i>\n<i>📱 Номер телефона: {ctx.phone}</i>\n\n<b>📍 Укажите ваш адрес (город, улица):</b>",
+        reply_markup=return_menu,
+    )
+    await state.set_state(CheckoutStorage.address)
+    await state.set_data({"ctx": ctx})
+
+
+@router.message(CheckoutStorage.address)
+async def checkout_address(msg: Message, state: FSMContext):
+    data = await state.get_data()
+    ctx: CheckoutContext = data.get("ctx", CheckoutContext)
+    await state.clear()
+
+    await msg.delete()
+
+    ctx.address = msg.text
+    await ctx.orig_msg.edit_text(
+        "<b>‼️ Проверьте правильность ваших данных.</b>\n\n"
+        "━━━━━━━━━━━━━━\n\n"
+        f"<i>👤 Имя: {ctx.name}</i>\n"
+        f"<i>📱 Номер телефона: {ctx.phone}</i>\n"
+        f"<i>📍 Ваш адрес: {ctx.address}</i>\n\n"
+        "━━━━━━━━━━━━━━",
+        reply_markup=order_specs_confirmation(ctx.order_id),
+    )  # TODO: State-driven Payment System.

handlers/client/menu.py

@@ -0,0 +1,37 @@
+from aiogram import Router, F
+from aiogram.types import CallbackQuery, Message
+from aiogram.filters import Command
+from aiogram.fsm.context import FSMContext
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from misc.kb import main_menu_kb
+from services.orders import OrderService
+
+router = Router()
+
+
+@router.message(Command("start"))
+async def main_menu(
+    msg: Message, state: FSMContext, session: AsyncSession, order_service: OrderService
+):
+    await state.clear()
+
+    cart_items = await order_service.get_cart_items_count(session, msg.from_user.id)
+    await msg.answer(
+        "hii!", reply_markup=main_menu_kb(cart_items)
+    )  # TODO: Write a welcome message
+
+
+@router.callback_query(F.data.startswith("menu:"))
+async def main_menu_cb(
+    cb: CallbackQuery,
+    state: FSMContext,
+    session: AsyncSession,
+    order_service: OrderService,
+):
+    await state.clear()
+
+    cart_items = await order_service.get_cart_items_count(session, cb.from_user.id)
+    await cb.message.edit_text(
+        "hii!", reply_markup=main_menu_kb(cart_items)
+    )  # TODO: Write a welcome message

handlers/client/products.py

@@ -0,0 +1,164 @@
+import os
+from re import Match
+from aiogram import Router, F
+from aiogram.types import CallbackQuery, FSInputFile
+from aiogram.fsm.context import FSMContext
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from config import PAGE_SIZE
+from misc.kb.client import (
+    render_product_interactions,
+    render_products,
+)
+from misc.texts import get_product_description
+from repositories.categories import CategoriesRepository
+from repositories.products import ProductRepository
+from services.orders import OrderService
+
+router = Router()
+
+
+@router.callback_query(
+    F.data.regexp(r"products:(?P<category_id>.*):(?P<page_id>\d+)").as_(
+        "pagination_match"
+    )
+)
+async def products_pagination(
+    cb: CallbackQuery,
+    state: FSMContext,
+    pagination_match: Match[str],
+    session: AsyncSession,
+    products_repo: ProductRepository,
+    categories_repo: CategoriesRepository,
+):
+    await state.clear()
+
+    pagination_data = pagination_match.groupdict()
+    category_id = int(pagination_data.get("category_id"))
+    category = await categories_repo.get_category_by_id(session, category_id)
+    page_id = int(pagination_data.get("page_id", 0))
+
+    products = await products_repo.get_product_by_category(
+        session, category_id, limit=PAGE_SIZE + 1, offset=page_id * PAGE_SIZE
+    )
+    products_len = len(products)
+
+    await cb.message.edit_reply_markup(
+        reply_markup=render_products(
+            products[:PAGE_SIZE],
+            parent_id=category.parent_id,
+            cat_id=category_id,
+            page=page_id,
+            show_prev=page_id > 0,
+            show_next=products_len > PAGE_SIZE,
+        ),
+    )
+
+
+@router.callback_query(F.data.startswith("product:"))
+async def product_card(
+    cb: CallbackQuery,
+    state: FSMContext,
+    session: AsyncSession,
+    products_repo: ProductRepository,
+    order_service: OrderService,
+):
+    await state.clear()
+
+    product_id = int(cb.data.split(":")[1])
+    product = await products_repo.get_product_by_id(session, product_id)
+
+    order_item = await order_service.get_cart_product_amount(
+        session, customer=cb.from_user.id, product_id=product_id
+    )
+
+    if product.file_id:
+        await cb.message.delete()
+
+        msg = await cb.message.answer_photo(
+            product.file_id,
+            caption=get_product_description(product),
+            reply_markup=render_product_interactions(
+                product_id=product.id,
+                category_id=product.category_id,
+                show_cart=bool(order_item),
+                cart_amount=order_item,
+            ),
+        )
+        return
+
+    if not os.path.isfile(product.img_path):
+        await cb.message.edit_text(
+            get_product_description(product),
+            reply_markup=render_product_interactions(
+                product_id=product.id,
+                category_id=product.category_id,
+                show_cart=bool(order_item),
+                cart_amount=order_item,
+            ),
+        )
+        return
+
+    await cb.message.delete()
+    msg = await cb.message.answer_photo(
+        FSInputFile(product.img_path),
+        caption=get_product_description(product),
+        reply_markup=render_product_interactions(
+            product_id=product.id,
+            category_id=product.category_id,
+            show_cart=bool(order_item),
+            cart_amount=order_item,
+        ),
+    )
+
+    if not msg.photo:
+        return  # TODO: Add logging
+
+    await products_repo.add_product_file_id(
+        session, product_id, file_id=msg.photo[-1].file_id
+    )
+
+
+@router.callback_query(F.data.startswith("cart_action:"))
+async def add_to_cart(
+    cb: CallbackQuery,
+    state: FSMContext,
+    session: AsyncSession,
+    order_service: OrderService,
+    products_repo: ProductRepository,
+):
+    await state.clear()
+
+    action = cb.data.split(":")[1]
+    product_id = int(cb.data.split(":")[2])
+    product = await products_repo.get_product_by_id(session, product_id)
+    show_cart = True
+
+    if action == "add":
+        quantity = await order_service.add_to_cart(
+            session, customer=cb.from_user.id, product_id=product_id
+        )
+    elif action == "remove":
+        quantity = await order_service.remove_from_cart(
+            session, customer=cb.from_user.id, product_id=product_id
+        )
+        show_cart = bool(quantity)
+    else:
+        show_cart = False
+        quantity = 0
+        await order_service.clear_cart_item(
+            session, customer=cb.from_user.id, product_id=product_id
+        )
+
+    try:
+        await cb.message.edit_reply_markup(
+            reply_markup=render_product_interactions(
+                product_id=product_id,
+                category_id=product.category_id,
+                show_cart=show_cart,
+                cart_amount=quantity,
+            )
+        )
+    except Exception as e:
+        await cb.answer("🍃")
+        raise e

handlers/client/security.py

@@ -0,0 +1,20 @@
+from aiogram import Router, F
+from aiogram.enums import MessageOriginType
+from aiogram.types import Message
+
+from config import VERIFIED_ACCOUNTS
+
+router = Router()
+
+
+@router.message(F.forward_origin)
+async def security_check(msg: Message):
+    if (
+        msg.forward_origin.type == MessageOriginType.USER
+        and msg.forward_origin.sender_user.id in VERIFIED_ACCOUNTS
+    ):
+        text = "🍃 Вы общаетесь с оффициальным аккаунтом Екатерины."
+    else:
+        text = "<b>❌ Вы общаетесь с подставным лицом. Мы советуем закончить диалог с мошенником как можно быстрее.</b>"
+
+    await msg.answer(text)

main.py

@@ -5,7 +5,7 @@ from aiogram import Bot, Dispatcher
 from aiogram.client.default import DefaultBotProperties
 
 from config import BOT_TOKEN
-from handlers import init_handlers
+from handlers import admins_routers, client_routers
 
 from middlewares.di import DIMiddleware
 from middlewares.repository import RepositoryMiddleware
@@ -61,7 +61,11 @@ async def main():
         )
     )
 
-    init_handlers(dp)
+    for ar in admins_routers:
+        dp.include_router(ar)
+
+    for cr in client_routers:
+        dp.include_router(cr)
 
     await dp.start_polling(bot)
 

misc/kb/client.py

@@ -6,6 +6,10 @@ from aiogram.utils.keyboard import InlineKeyboardBuilder
 from db.models import Category, Product
 from dto.cart import CartItemDTO
 
+return_menu = InlineKeyboardBuilder(
+    [[InlineKeyboardButton(text="⬅️ В меню", callback_data="menu:main")]]
+).as_markup()
+
 
 def pagination_row(
     *,
@@ -15,6 +19,9 @@ def pagination_row(
 ) -> list[InlineKeyboardButton]:
     row = []
 
+    if not (prev_cb or next_cb):
+        return row
+
     if prev_cb:
         row.append(InlineKeyboardButton(text="⬅️", callback_data=prev_cb))
 
@@ -161,7 +168,7 @@ def render_cart(
 ) -> InlineKeyboardMarkup:
     btns = [
         InlineKeyboardButton(
-            text=f"{cart_item.quantity} | {cart_item.name} | {cart_item.total}₽",
+            text=f"🛒 {cart_item.quantity} | {cart_item.name} | {cart_item.total}₽",
             callback_data=f"product:{cart_item.product_id}",
         )
         for cart_item in cart_items
@@ -184,4 +191,33 @@ def render_cart(
         ]
         + [btns[i : i + 2] for i in range(0, len(cart_items), 2)]
         + [nav]
+        + [[InlineKeyboardButton(text="🔷 Оформить заказ", callback_data="checkout")]]
+    ).as_markup()
+
+
+def order_confirmation(order_id: int) -> InlineKeyboardMarkup:
+    return InlineKeyboardBuilder(
+        [
+            [
+                InlineKeyboardButton(
+                    text="🟢 Подтвердить заказ",
+                    callback_data=f"confirm_order:{order_id}",
+                )
+            ],
+            [InlineKeyboardButton(text="❌ Отменить", callback_data="menu:main")],
+        ]
+    ).as_markup()
+
+
+def order_specs_confirmation(order_id: int) -> InlineKeyboardMarkup:
+    return InlineKeyboardBuilder(
+        [
+            [
+                InlineKeyboardButton(
+                    text="🟢 Перейти к оплате",
+                    callback_data=f"payment:{order_id}",
+                )
+            ],
+            [InlineKeyboardButton(text="❌", callback_data="menu:main")],
+        ]
     ).as_markup()

misc/states.py

@@ -0,0 +1,7 @@
+from aiogram.fsm.state import StatesGroup, State
+
+
+class CheckoutStorage(StatesGroup):
+    name = State()
+    phone = State()
+    address = State()

misc/texts.py

@@ -1,4 +1,5 @@
 from db.models import Product
+from dto.cart import CartDTO
 
 
 def get_product_description(product: Product) -> str:
@@ -7,3 +8,18 @@ def get_product_description(product: Product) -> str:
         output += f"\n\n📜 {product.description}"
 
     return output
+
+
+def get_order_item_list(cart: CartDTO):
+    text = "🛍 Состав заказа:\n"
+    for i, product in enumerate(cart.items):
+        text += f"\n{i+1}. <b>{product.name}</b>\n•\t<i>{product.quantity} × {product.price} = {product.total}₽</i>\n"
+
+    text += f"\n━━━━━━━━━━━━━━\n💰 Итого: {cart.total}₽"
+
+    return text
+
+
+# def get_order_notification(cart: CartDTO):
+#     text
+# FIXME

misc/utils.py

@@ -0,0 +1,10 @@
+import phonenumbers
+from phonenumbers import NumberParseException
+
+
+def is_valid_phone(phone: str, region="RU") -> bool:
+    try:
+        parsed = phonenumbers.parse(phone, region)
+        return phonenumbers.is_valid_number(parsed)
+    except NumberParseException:
+        return False

services/orders.py

@@ -156,7 +156,7 @@ class OrderService:
 
         return await self.order_items_repo.get_items_count(session, order_id=order.id)
 
-    async def build_cart_dto(
+    async def build_pagination_cart_dto(
         self,
         session: AsyncSession,
         *,
@@ -190,4 +190,30 @@ class OrderService:
             cart_items.append(cart_item)
             total += cart_item.total
 
-        return CartDTO(items=cart_items, total=total)
+        return CartDTO(items=cart_items, total=total, order_id=order.id)
+
+    async def build_full_cart_dto(self, session: AsyncSession, customer: int):
+        order = await self.order_repo.get_draft_order_by_user(session, customer)
+
+        cart_items = []
+        total = 0
+
+        if not order:
+            return CartDTO(items=cart_items, total=total)
+
+        for cart_item in order.items:
+            if cart_item.quantity <= 0:
+                await self.order_items_repo.delete_item(session, item_id=cart_item.id)
+                continue
+
+            dto = CartItemDTO(
+                product_id=cart_item.product.id,
+                name=cart_item.product.name,
+                quantity=cart_item.quantity,
+                price=cart_item.product.price,
+            )
+
+            cart_items.append(dto)
+            total += dto.total
+
+        return CartDTO(cart_items, total=total, order_id=order.id)