Unification of pagination, admins control and more

misc/kb/client.py

@@ -3,8 +3,11 @@ from typing import Optional, Callable
 from aiogram.types import InlineKeyboardButton, InlineKeyboardMarkup
 from aiogram.utils.keyboard import InlineKeyboardBuilder
 
+from config import PAGE_SIZE
 from db.models import Category, Product
 from dto.cart import CartItemDTO
+from dto.catalogue import CatalogueView, CatalogueType
+from .common import return_menu
 
 
 def pagination_row(
@@ -59,6 +62,7 @@ def render_category(
     show_menu: bool = False,
     *,
     category_cb_factory: Callable[[Category], str],
+    is_admin: bool = False,
 ) -> InlineKeyboardMarkup:
     btns = [
         InlineKeyboardButton(
@@ -68,18 +72,27 @@ def render_category(
         for category in children
     ]
 
-    nav = []
+    nav: list[list[InlineKeyboardButton]] = []
 
-    if parent_id is not None:
+    if is_admin:
         nav.append(
-            InlineKeyboardButton(text="⬅️ Назад", callback_data=f"cat:{parent_id}")
+            [
+                InlineKeyboardButton(
+                    text="📄 Добавить категорию",
+                    callback_data=f"new:category:{parent_id}",
+                )
+            ]
         )
 
     if show_menu:
-        nav.append(InlineKeyboardButton(text="⬅️ Назад", callback_data="menu:main"))
+        nav.append([InlineKeyboardButton(text="⬅️ Назад", callback_data="menu:main")])
+    elif parent_id is not None:
+        nav.append(
+            [InlineKeyboardButton(text="⬅️ Назад", callback_data=f"cat:{parent_id}")]
+        )
 
     return InlineKeyboardBuilder(
-        [btns[i : i + 2] for i in range(0, len(children), 2)] + [nav],
+        [btns[i : i + 2] for i in range(0, len(children), 2)] + nav,
     ).as_markup()
 
 
@@ -91,6 +104,8 @@ def render_products(
     prev_cb: Optional[str] = None,
     next_cb: Optional[str] = None,
     columns: int = 2,
+    is_admin: bool = False,
+    cat_id: Optional[int] = None,
 ) -> InlineKeyboardMarkup:
     builder = InlineKeyboardBuilder()
 
@@ -107,6 +122,13 @@ def render_products(
         ]
         builder.row(*row)
 
+    if is_admin:
+        builder.row(
+            InlineKeyboardButton(
+                text="📦 Добавить товар", callback_data=f"new:product:{cat_id}"
+            )
+        )
+
     nav_buttons = []
     if prev_cb:
         nav_buttons.append(InlineKeyboardButton(text="◀️", callback_data=prev_cb))
@@ -119,6 +141,32 @@ def render_products(
     return builder.as_markup()
 
 
+def render_catalogue(view: CatalogueView, *, is_admin: bool):
+    if view.view_type == CatalogueType.CATEGORIES:
+        return render_category(
+            children=view.children[:PAGE_SIZE],  # type: ignore
+            parent_id=view.parent_id,
+            show_menu=view.show_menu,
+            category_cb_factory=lambda c: f"cat:{c.id}",
+            is_admin=is_admin,
+        )
+    if view.view_type == CatalogueType.PRODUCTS:
+        return render_products(
+            products=view.products[:PAGE_SIZE],  # type: ignore
+            product_cb_factory=lambda p: f"product:{p.id}",
+            back_cb=f"cat:{view.parent_id}",
+            prev_cb=(
+                f"products:{view.category}:{view.page - 1}" if view.page > 0 else None
+            ),
+            next_cb=(
+                f"products:{view.category}:{view.page + 1}" if view.has_next else None
+            ),
+            is_admin=is_admin,
+        )
+
+    return return_menu
+
+
 def render_product_interactions(
     *, product_id: int, category_id: int, show_cart: bool = False, cart_amount: int = 0
 ) -> InlineKeyboardMarkup: