vue-wp/vue-theme/src/store/modules/publication.js

import api from '../../utils/api'
import { allBySlug, repackBySort } from './arrangements'

const state = {
    all: [],
    loaded: false,
    singlePublication: null,
}

const getters = {
    allPublications: state => state.all,
    allPublicationsBySlug: state => allBySlug(state),
    allPublicationsLoaded: state => state.loaded,
}

const actions = {
    getAllPublications({ commit }, { sortType, params }) {
        commit('CLEAR_PUBLICATIONS')
        commit('PUBLICATIONS_LOADED', false)
        const storeFetch = publications => {
            let repacked = repackBySort(publications, sortType)
            commit('STORE_FETCHED_PUBLICATIONS', { publications: repacked })
            commit('PUBLICATIONS_LOADED', true)
        }
        return api.getByType({
            type: 'publication',
            sort: sortType,
            params,
            cb: storeFetch,
        })
    },
    getMorePublications({ commit }, { sortType, params }) {
        const storeFetch = publications => {
            let repacked = publications
            commit('ADD_TO_FETCHED_PUBLICATIONS', { publications: repacked })
            commit('PUBLICATIONS_LOADED', true)
        }
        return api.getByType({
            type: 'publication',
            sort: sortType,
            params,
            cb: storeFetch,
        })
    },
    getSinglePublication({ commit }, id) {
        commit('CLEAR_SINGLE_PUBLICATIONS')
        commit('PUBLICATIONS_LOADED', false)

        return api.getSingleType('publication', id, publication => {
            commit('STORE_FETCHED_SINGLE_PUBLICATION', publication)
            commit('PUBLICATIONS_LOADED', true)
        })
    },
}

const mutations = {
    ADD_TO_FETCHED_PUBLICATIONS(state, { publications }) {
        state.all = [...state.all, ...publications]
    },
    STORE_FETCHED_PUBLICATIONS(state, { publications }) {
        state.all = publications
    },
    STORE_FETCHED_SINGLE_PUBLICATION(state, publication) {
        state.singlePublication = publication
    },
    CLEAR_PUBLICATIONS(state) {
        state.all = []
    },
    CLEAR_SINGLE_PUBLICATIONS(state) {
        state.singlePublication = null
    },
    PUBLICATIONS_LOADED(state, val) {
        state.loaded = val
    },
}

export default { state, getters, actions, mutations }