123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280 |
- // @flow
-
- import * as React from 'react';
- import {Platform} from "react-native";
- import i18n from "i18n-js";
- import {Searchbar} from "react-native-paper";
- import {stringMatchQuery} from "../../utils/Search";
- import WebSectionList from "../../components/Screens/WebSectionList";
- import GroupListAccordion from "../../components/Lists/PlanexGroups/GroupListAccordion";
- import AsyncStorageManager from "../../managers/AsyncStorageManager";
- import {StackNavigationProp} from "@react-navigation/stack";
-
- const LIST_ITEM_HEIGHT = 70;
-
- export type group = {
- name: string,
- id: number,
- isFav: boolean,
- };
-
- export type groupCategory = {
- name: string,
- id: number,
- content: Array<group>,
- };
-
- type Props = {
- navigation: StackNavigationProp,
- }
-
- type State = {
- currentSearchString: string,
- favoriteGroups: Array<group>,
- };
-
- function sortName(a: group | groupCategory, b: group | groupCategory) {
- if (a.name.toLowerCase() < b.name.toLowerCase())
- return -1;
- if (a.name.toLowerCase() > b.name.toLowerCase())
- return 1;
- return 0;
- }
-
- const GROUPS_URL = 'http://planex.insa-toulouse.fr/wsAdeGrp.php?projectId=1';
- const REPLACE_REGEX = /_/g;
-
- /**
- * Class defining planex group selection screen.
- */
- class GroupSelectionScreen extends React.Component<Props, State> {
-
- constructor(props: Props) {
- super(props);
- this.state = {
- currentSearchString: '',
- favoriteGroups: JSON.parse(AsyncStorageManager.getInstance().preferences.planexFavoriteGroups.current),
- };
- }
-
- /**
- * Creates the header content
- */
- componentDidMount() {
- this.props.navigation.setOptions({
- headerTitle: this.getSearchBar,
- headerBackTitleVisible: false,
- headerTitleContainerStyle: Platform.OS === 'ios' ?
- {marginHorizontal: 0, width: '70%'} :
- {marginHorizontal: 0, right: 50, left: 50},
- });
- }
-
- /**
- * Gets the header search bar
- *
- * @return {*}
- */
- getSearchBar = () => {
- return (
- <Searchbar
- placeholder={i18n.t('proximoScreen.search')}
- onChangeText={this.onSearchStringChange}
- />
- );
- };
-
- /**
- * Callback used when the search changes
- *
- * @param str The new search string
- */
- onSearchStringChange = (str: string) => {
- this.setState({currentSearchString: str})
- };
-
- /**
- * Callback used when clicking an article in the list.
- * It opens the modal to show detailed information about the article
- *
- * @param item The article pressed
- */
- onListItemPress = (item: group) => {
- this.props.navigation.navigate("planex", {
- screen: "index",
- params: {group: item}
- });
- };
-
- /**
- * Callback used when the user clicks on the favorite button
- *
- * @param item The item to add/remove from favorites
- */
- onListFavoritePress = (item: group) => {
- this.updateGroupFavorites(item);
- };
-
- /**
- * Checks if the given group is in the favorites list
- *
- * @param group The group to check
- * @returns {boolean}
- */
- isGroupInFavorites(group: group) {
- let isFav = false;
- for (let i = 0; i < this.state.favoriteGroups.length; i++) {
- if (group.id === this.state.favoriteGroups[i].id) {
- isFav = true;
- break;
- }
- }
- return isFav;
- }
-
- /**
- * Removes the given group from the given array
- *
- * @param favorites The array containing favorites groups
- * @param group The group to remove from the array
- */
- removeGroupFromFavorites(favorites: Array<group>, group: group) {
- for (let i = 0; i < favorites.length; i++) {
- if (group.id === favorites[i].id) {
- favorites.splice(i, 1);
- break;
- }
- }
- }
-
- /**
- * Adds the given group to the given array
- *
- * @param favorites The array containing favorites groups
- * @param group The group to add to the array
- */
- addGroupToFavorites(favorites: Array<group>, group: group) {
- group.isFav = true;
- favorites.push(group);
- favorites.sort(sortName);
- }
-
- /**
- * Adds or removes the given group to the favorites list, depending on whether it is already in it or not.
- * Favorites are then saved in user preferences
- *
- * @param group The group to add/remove to favorites
- */
- updateGroupFavorites(group: group) {
- let newFavorites = [...this.state.favoriteGroups]
- if (this.isGroupInFavorites(group))
- this.removeGroupFromFavorites(newFavorites, group);
- else
- this.addGroupToFavorites(newFavorites, group);
- this.setState({favoriteGroups: newFavorites})
- AsyncStorageManager.getInstance().savePref(
- AsyncStorageManager.getInstance().preferences.planexFavoriteGroups.key,
- JSON.stringify(newFavorites));
- }
-
- /**
- * Checks whether to display the given group category, depending on user search query
- *
- * @param item The group category
- * @returns {boolean}
- */
- shouldDisplayAccordion(item: groupCategory) {
- let shouldDisplay = false;
- for (let i = 0; i < item.content.length; i++) {
- if (stringMatchQuery(item.content[i].name, this.state.currentSearchString)) {
- shouldDisplay = true;
- break;
- }
- }
- return shouldDisplay;
- }
-
- /**
- * Gets a render item for the given article
- *
- * @param item The article to render
- * @return {*}
- */
- renderItem = ({item}: { item: groupCategory }) => {
- if (this.shouldDisplayAccordion(item)) {
- return (
- <GroupListAccordion
- item={item}
- onGroupPress={this.onListItemPress}
- onFavoritePress={this.onListFavoritePress}
- currentSearchString={this.state.currentSearchString}
- favoriteNumber={this.state.favoriteGroups.length}
- height={LIST_ITEM_HEIGHT}
- />
- );
- } else
- return null;
- };
-
- /**
- * Generates the dataset to be used in the FlatList.
- * This improves formatting of group names, sorts alphabetically the categories, and adds favorites at the top.
- *
- * @param fetchedData The raw data fetched from the server
- * @returns {[]}
- */
- generateData(fetchedData: { [key: string]: groupCategory }) {
- let data = [];
- for (let key in fetchedData) {
- this.formatGroups(fetchedData[key]);
- data.push(fetchedData[key]);
- }
- data.sort(sortName);
- data.unshift({name: i18n.t("planexScreen.favorites"), id: 0, content: this.state.favoriteGroups});
- return data;
- }
-
- /**
- * Replaces underscore by spaces and sets the favorite state of every group in the given category
- *
- * @param item The category containing groups to format
- */
- formatGroups(item: groupCategory) {
- for (let i = 0; i < item.content.length; i++) {
- item.content[i].name = item.content[i].name.replace(REPLACE_REGEX, " ")
- item.content[i].isFav = this.isGroupInFavorites(item.content[i]);
- }
- }
-
- /**
- * Creates the dataset to be used in the FlatList
- *
- * @param fetchedData
- * @return {*}
- * */
- createDataset = (fetchedData: { [key: string]: groupCategory }) => {
- return [
- {
- title: '',
- data: this.generateData(fetchedData)
- }
- ];
- }
-
- render() {
- return (
- <WebSectionList
- {...this.props}
- createDataset={this.createDataset}
- autoRefreshTime={0}
- refreshOnFocus={false}
- fetchUrl={GROUPS_URL}
- renderItem={this.renderItem}
- updateData={this.state.currentSearchString + this.state.favoriteGroups.length}
- itemHeight={LIST_ITEM_HEIGHT}
- />
- );
- }
- }
-
- export default GroupSelectionScreen;
|