// NPM imports import React, { Component } from "react"; import { bindActionCreators } from "redux"; import { connect } from "react-redux"; import { defineMessages, injectIntl, intlShape } from "react-intl"; import Immutable from "immutable"; // Local imports import { buildPaginationObject, messagesMap, handleErrorI18nObject } from "../utils"; // Actions import * as actionCreators from "../actions"; // Components import Songs from "../components/Songs"; // Translations import APIMessages from "../locales/messagesDescriptors/api"; // Define translations const songsMessages = defineMessages(messagesMap(Array.concat([], APIMessages))); /** * Paginated table of available songs */ class SongsPageIntl extends Component { componentWillMount () { // Load the data for current page const currentPage = parseInt(this.props.location.query.page) || 1; this.props.actions.loadPaginatedSongs({pageNumber: currentPage}); } componentWillReceiveProps (nextProps) { // Load the data if page has changed const currentPage = parseInt(this.props.location.query.page) || 1; const nextPage = parseInt(nextProps.location.query.page) || 1; if (currentPage != nextPage) { this.props.actions.loadPaginatedSongs({pageNumber: nextPage}); } } componentWillUnmount () { // Unload data on page change this.props.actions.clearResults(); } render () { const {formatMessage} = this.props.intl; const pagination = buildPaginationObject(this.props.location, this.props.currentPage, this.props.nPages, this.props.actions.goToPage); const error = handleErrorI18nObject(this.props.error, formatMessage, songsMessages); return ( ); } } SongsPageIntl.propTypes = { intl: intlShape.isRequired, }; const mapStateToProps = (state) => { let songsList = new Immutable.List(); if (state.paginated.type == "song" && state.paginated.result.size > 0) { songsList = state.paginated.result.map(function (id) { let song = state.entities.getIn(["entities", "song", id]); // Add artist and album infos to song const artist = state.entities.getIn(["entities", "artist", song.get("artist")]); const album = state.entities.getIn(["entities", "album", song.get("album")]); return ( song .set("artist", new Immutable.Map({id: artist.get("id"), name: artist.get("name")})) .set("album", new Immutable.Map({id: album.get("id"), name: album.get("name")})) ); }); } return { isFetching: state.entities.isFetching, error: state.entities.error, songsList: songsList, currentPage: state.paginated.currentPage, nPages: state.paginated.nPages }; }; const mapDispatchToProps = (dispatch) => ({ actions: bindActionCreators(actionCreators, dispatch) }); export default connect(mapStateToProps, mapDispatchToProps)(injectIntl(SongsPageIntl));