src/stores/basket.ts - dev - vdele/app

src/stores/basket.ts
65 строк2 KB
Vasilii Polshakov
last fixes for 0.0.1-alpha
02 апр 2025, 12:32
02 апр 2025, 12:32ef3d4ef
import { ref, computed, triggerRef } from 'vue';

export function useBasket() {

    // услуги 
    const state = ref<{ items: {uid: string, caption: string, count:number, amount:number }[] | null}>({ items: null });
    
    // итоговая стоимость
    const sum = computed(() => state.value.items?.reduce((accumulator, service) => accumulator + (service.amount * service.count), 0));

    // добавить позицию
    const add = (position: {uid: string, caption: string, count: number, amount: number}) => {
        //console.log('Before:', state.value.items);
        if(state.value.items){
            const idx = state.value.items.findIndex((val) => val.uid === position.uid );
            //console.log('Current uid:', position.uid);
            //console.log(idx, position);
            if(idx > -1){
                // позиция существует, заменяем позицию
                state.value.items.splice(idx,1, position);
                //console.log('Replaced:', state.value.items); 
            }else{
                state.value.items.push(position);
                //console.log('Pushed:', state.value.items);
            }
            triggerRef(state);
        }
    };

    // удалить позицию
    const deleteByUid = (uid: string) => {
        /** @ts-ignore */
        const idx = state.items.findIndex((val) => val.uid === uid );
        if(idx > -1)
            /** @ts-ignore */
            if(state.items.length >= 1)
                /** @ts-ignore */
                state.items.splice(idx,1);
    };

    //увеличить на 1
    const increaseByOne = (uid: string) => {
        /** @ts-ignore */
        const item = state.items.find((val) => val.uid === uid);
        if(item)
            item.count++;
    };

    //уменьшить на 1
    const decreaseByOne = (uid: string) => {
        /** @ts-ignore */
        const item = state.items.find((val) => val.uid === uid);
        if(item && item.count >= 2)
            item.count--;
    };

    return {
        state,
        sum,
        increaseByOne,
        decreaseByOne,
        deleteByUid,
        add,
    };
};