bookbrainz/bookbrainz-site

import {ADD_AUTHOR, ADD_PUBLISHER, AUTO_ISBN, CLEAR_AUTHOR, CLEAR_PUBLISHER, CLEAR_PUBLISHERS, UPDATE_ISBN_TYPE, UPDATE_ISBN_VALUE} from './action';
import Immutable from 'immutable';


export function ISBNReducer(state = Immutable.Map({
    type: null,
    value: ''
}), action) {
    const {payload, type} = action;
    switch (type) {
        case UPDATE_ISBN_TYPE:
            return state.set('type', payload);
        case UPDATE_ISBN_VALUE:
            return state.set('value', payload);
        default:
            return state;
    }
}

export function publishersReducer(state = Immutable.Map({}), {type, payload}) {
    switch (type) {
        case ADD_PUBLISHER:
            return state.set(payload.id, Immutable.fromJS(payload.value));
        case CLEAR_PUBLISHER:
            return state.delete(payload);
        case CLEAR_PUBLISHERS:
            return Immutable.Map({});
        default:
            return state;
    }
}

export function authorsReducer(state = Immutable.Map({}), {type, payload}) {
    switch (type) {
        case ADD_AUTHOR:
            return state.set(payload.id, Immutable.fromJS(payload.value));
        case CLEAR_AUTHOR:
            return state.delete(payload);
        default:
            return state;
    }
}

export function autoISBNReducer(state = false, {type, payload}) {
    switch (type) {
        case AUTO_ISBN:
            return payload;
        default:
            return state;
    }
}