Unification of pagination, admins control and more

handlers/client/catalogue.py

@@ -3,14 +3,11 @@ 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 config import VERIFIED_ACCOUNTS
 from misc.kb.client import (
-    get_back_to_catalogue,
-    render_products,
+    render_catalogue,
 )
-from repositories.categories import CategoriesRepository
-from repositories.products import ProductRepository
+from services.catalogue import CatalogueService
 
 router = Router()
 
@@ -20,80 +17,23 @@ async def subcatalogue(
     cb: CallbackQuery,
     state: FSMContext,
     session: AsyncSession,
-    categories_repo: CategoriesRepository,
-    products_repo: ProductRepository,
+    catalogue_service: CatalogueService,
 ):
     await state.clear()
 
     cat_id = cb.data.split(":")[1]
+    is_admin = cb.from_user.id in VERIFIED_ACCOUNTS
 
-    if cat_id == "root":
-        children = await categories_repo.get_categories_by_parent_id(session)
-        kb = render_category(
-            children, show_menu=True, category_cb_factory=lambda c: f"cat:{c.id}"
-        )
-        await cb.message.edit_text(
+    view = await catalogue_service.build_category_view(session, cat_id)
+    kb = render_catalogue(view, is_admin=is_admin)
+
+    if cb.message.photo:
+        await cb.message.delete()
+        await cb.answer(
             "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],
-                    product_cb_factory=lambda p: f"product:{p.id}",
-                    back_cb=f"cat:{parent_id}",
-                    next_cb=(
-                        f"products:{cat_id}:{0 + 1}"
-                        if products_len > PAGE_SIZE
-                        else None
-                    ),
-                    columns=2,
-                ),
-            )
-            return
-
-        await cb.message.edit_text(
-            "hya",
-            reply_markup=render_products(
-                products[:PAGE_SIZE],
-                product_cb_factory=lambda p: f"product:{p.id}",
-                back_cb=f"cat:{parent_id}",
-                prev_cb=f"products:{cat_id}:{0 - 1}" if products_len < 0 else None,
-                next_cb=(
-                    f"products:{cat_id}:{0 + 1}" if products_len > PAGE_SIZE else None
-                ),
-                columns=2,
-            ),
-        )
-        return
-
-    kb = render_category(
-        children, parent_id, category_cb_factory=lambda c: f"cat:{c.id}"
-    )
-
     await cb.message.edit_text(
         "category selection",
         reply_markup=kb,