front-hub/src/stores/tariffs.ts

import { Tariff } from "@root/model/tariff";
import { create } from "zustand";
import { devtools } from "zustand/middleware";


interface TariffStore {
    tariffs: Tariff[];
}

export const useTariffStore = create<TariffStore>()(
    devtools(
        (set, get) => ({
            tariffs: [],
        }),
        {
            name: "Tariffs",
            enabled: process.env.NODE_ENV === "development",
            trace: true,
        }
    )
);

export const updateTariffs = (tariffs: TariffStore["tariffs"]) => useTariffStore.setState(
    state => {
        const tariffMap: Record<string, Tariff> = {};

        [...state.tariffs, ...tariffs].forEach(tariff => tariffMap[tariff._id] = tariff);

        const sortedTariffs = Object.values(tariffMap).sort(sortTariffsByCreatedAt);

        return { tariffs: sortedTariffs };
    },
    false,
    {
        type: "updateTariffs",
        tariffsLength: tariffs.length,
    }
);

function sortTariffsByCreatedAt(tariff1: Tariff, tariff2: Tariff) {
    if (!tariff1.createdAt || !tariff2.createdAt) throw new Error("Trying to sort tariffs without createdAt field");

    const date1 = new Date(tariff1.createdAt).getTime();
    const date2 = new Date(tariff2.createdAt).getTime();
    return date1 - date2;
}