src/pages/mod.rs


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// rocie - An enterprise grocery management system - Web app
//
// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
// SPDX-License-Identifier: GPL-3.0-or-later
//
// This file is part of Rocie.
//
// You should have received a copy of the License along with this program.
// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.

pub mod associate_barcode;
pub mod buy;
pub mod create_product;
pub mod create_product_parent;
pub mod create_recipe;
pub mod home;
pub mod inventory;
pub mod login;
pub mod not_found;
pub mod product;
pub mod products;
pub mod provision;
pub mod recipe;
pub mod recipies;
pub mod units;

macro_rules! mk_render_parents {
    (
        self = $self:ident,
        parent_type = $parent_type:ty,
        item_type = $item_type:ty,
        value_renderer = $value_renderer:ident,
        under_parent_fetcher = $under_parent_fetcher:ident,
        indirect_fetcher = $indirect_fetcher:ident,
        direct_fetcher = $direct_fetcher:ident $(,)?
    ) => {
        fn $self(
            parents: Option<Vec<$parent_type>>,
            toplevel_items: Option<Vec<$item_type>>,
        ) -> impl IntoView {
            use leptos::prelude::IntoAny;

            view! {
                {
                    parents.map(|parents| {
                        parents
                            .into_iter()
                            .map(|parent| {
                                view! {
                                    <li>
                                        <details>
                                            <summary>{parent.name} {" ("} {
                                                    AsyncFetch! {
                                                        @map_error_in_producer
                                                        fetcher = $indirect_fetcher(parent.id),
                                                        producer = |products| {products.len()}
                                                    }
                                            } {")"}</summary>

                                            <ul class="flex flex-col p-2">
                                                {
                                                    AsyncFetch! {
                                                        @map_error_in_producer
                                                        fetcher = $under_parent_fetcher(parent.id),
                                                        producer = |val| $self(val, None)
                                                    }
                                                }

                                                {
                                                    AsyncFetch! {
                                                        @map_error_in_producer
                                                        fetcher = $direct_fetcher(parent.id),
                                                        producer = $value_renderer
                                                    }
                                                }
                                            </ul>
                                        </details>
                                    </li>
                                }
                                .into_any()
                            })
                            .collect::<Vec<_>>()
                    })
                }
                {
                    if let Some(toplevel_items) = toplevel_items {
                        $value_renderer(toplevel_items).into_any()
                    } else {
                        ().into_any()
                    }
                }
            }
        }
    };
}
use mk_render_parents;