application-amicale/screens/Proximo/ProximoListScreen.js

353 lines
11 KiB
JavaScript

// @flow
import * as React from 'react';
import {Body, Container, Content, Left, ListItem, Right, Text, Thumbnail, H1, H3} from 'native-base';
import CustomHeader from "../../components/CustomHeader";
import {FlatList, Platform, View, Image} from "react-native";
import Touchable from 'react-native-platform-touchable';
import Menu, {MenuItem} from 'react-native-material-menu';
import i18n from "i18n-js";
import CustomMaterialIcon from "../../components/CustomMaterialIcon";
import ThemeManager from "../../utils/ThemeManager";
import {Modalize} from 'react-native-modalize';
const sortMode = {
price: "0",
name: '1',
};
function sortPrice(a, b) {
return a.price - b.price;
}
function sortPriceReverse(a, b) {
return b.price - a.price;
}
function sortName(a, b) {
if (a.name < b.name)
return -1;
if (a.name > b.name)
return 1;
return 0;
}
function sortNameReverse(a, b) {
if (a.name < b.name)
return 1;
if (a.name > b.name)
return -1;
return 0;
}
type Props = {
navigation: Object
}
type State = {
currentSortMode: string,
isSortReversed: boolean,
sortPriceIcon: React.Node,
sortNameIcon: React.Node,
modalCurrentDisplayItem: Object,
currentlyDisplayedData: Array<Object>,
};
/**
* Class defining proximo's article list of a certain category.
*/
export default class ProximoListScreen extends React.Component<Props, State> {
modalRef: { current: null | Modalize };
originalData: Array<Object>;
navData = this.props.navigation.getParam('data', []);
shouldFocusSearchBar = this.props.navigation.getParam('shouldFocusSearchBar', false);
constructor(props: any) {
super(props);
this.modalRef = React.createRef();
this.originalData = this.navData['data'];
}
state = {
currentlyDisplayedData: this.navData['data'].sort(sortPrice),
currentSortMode: sortMode.price,
isSortReversed: false,
sortPriceIcon: '',
sortNameIcon: '',
modalCurrentDisplayItem: {},
};
_menu: Menu;
/**
* Saves the reference to the sort menu for later use
*
* @param ref The menu reference
*/
setMenuRef = (ref: Menu) => {
this._menu = ref;
};
/**
* Sets the sort mode based on the one selected.
* If the selected mode is the current one, reverse it.
*
* @param mode The string representing the mode
*/
sortModeSelected(mode: string) {
let isReverse = this.state.isSortReversed;
if (mode === this.state.currentSortMode) // reverse mode
isReverse = !isReverse; // this.state not updating on this function cycle
else
isReverse = false;
this.setSortMode(mode, isReverse);
}
/**
* Set the current sort mode.
*
* @param mode The string representing the mode
* @param isReverse Whether to use a reverse sort
*/
setSortMode(mode: string, isReverse: boolean) {
this.setState({
currentSortMode: mode,
isSortReversed: isReverse
});
let data = this.state.currentlyDisplayedData;
switch (mode) {
case sortMode.price:
if (isReverse) {
data.sort(sortPriceReverse);
} else {
data.sort(sortPrice);
}
break;
case sortMode.name:
if (isReverse) {
data.sort(sortNameReverse);
} else {
data.sort(sortName);
}
break;
}
this.setState({
navData: data,
});
this.setupSortIcons(mode, isReverse);
this._menu.hide();
}
/**
* Set the sort mode from state when components are ready
*/
componentDidMount() {
this.setSortMode(this.state.currentSortMode, this.state.isSortReversed);
}
/**
* get color depending on quantity available
*
* @param availableStock
* @return
*/
getStockColor(availableStock: number) {
let color: string;
if (availableStock > 3)
color = ThemeManager.getCurrentThemeVariables().brandSuccess;
else if (availableStock > 0)
color = ThemeManager.getCurrentThemeVariables().brandWarning;
else
color = ThemeManager.getCurrentThemeVariables().brandDanger;
return color;
}
/**
* Set the sort menu icon based on the given mode.
*
* @param mode The string representing the mode
* @param isReverse Whether to use a reversed icon
*/
setupSortIcons(mode: string, isReverse: boolean) {
const downSortIcon =
<CustomMaterialIcon
icon={'sort-descending'}/>;
const upSortIcon =
<CustomMaterialIcon
icon={'sort-ascending'}/>;
switch (mode) {
case sortMode.price:
this.setState({sortNameIcon: ''});
if (isReverse) {
this.setState({sortPriceIcon: upSortIcon});
} else {
this.setState({sortPriceIcon: downSortIcon});
}
break;
case sortMode.name:
this.setState({sortPriceIcon: ''});
if (isReverse) {
this.setState({sortNameIcon: upSortIcon});
} else {
this.setState({sortNameIcon: downSortIcon});
}
break;
}
}
sanitizeString(str: string) {
return str.toLowerCase().normalize("NFD").replace(/[\u0300-\u036f]/g, "");
}
/**
* Returns only the articles whose name contains str. Case and accents insensitive.
* @param str
* @returns {[]}
*/
filterData(str: string) {
let filteredData = [];
const testStr = this.sanitizeString(str);
const articles = this.originalData;
for (const article of articles) {
const name = this.sanitizeString(article.name);
if (name.includes(testStr)) {
filteredData.push(article)
}
}
return filteredData;
}
search(str: string) {
this.setState({
currentlyDisplayedData: this.filterData(str)
})
}
getModalContent() {
return (
<View style={{
flex: 1,
padding: 20
}}>
<H1>{this.state.modalCurrentDisplayItem.name}</H1>
<View style={{
flexDirection: 'row',
width: '100%',
marginTop: 10,
}}>
<H3 style={{
color: this.getStockColor(parseInt(this.state.modalCurrentDisplayItem.quantity)),
}}>
{this.state.modalCurrentDisplayItem.quantity + ' ' + i18n.t('proximoScreen.inStock')}
</H3>
<H3 style={{marginLeft: 'auto'}}>{this.state.modalCurrentDisplayItem.price}</H3>
</View>
<Content>
<View style={{width: '100%', height: 150, marginTop: 20, marginBottom: 20}}>
<Image style={{flex: 1, resizeMode: "contain"}}
source={{uri: this.state.modalCurrentDisplayItem.image}}/>
</View>
<Text>{this.state.modalCurrentDisplayItem.description}</Text>
</Content>
</View>
);
}
showItemDetails(item: Object) {
this.setState({
modalCurrentDisplayItem: item
});
if (this.modalRef.current) {
this.modalRef.current.open();
}
}
getSortMenu() {
return (
<Menu
ref={this.setMenuRef}
button={
<Touchable
style={{padding: 6}}
onPress={() =>
this._menu.show()
}>
<CustomMaterialIcon
color={Platform.OS === 'ios' ? ThemeManager.getCurrentThemeVariables().brandPrimary : "#fff"}
icon={'sort'}/>
</Touchable>
}
>
<MenuItem
onPress={() => this.sortModeSelected(sortMode.name)}>
{this.state.sortNameIcon}
{i18n.t('proximoScreen.sortName')}
</MenuItem>
<MenuItem
onPress={() => this.sortModeSelected(sortMode.price)}>
{this.state.sortPriceIcon}
{i18n.t('proximoScreen.sortPrice')}
</MenuItem>
</Menu>
);
}
render() {
const nav = this.props.navigation;
const navType = nav.getParam('type', '{name: "Error"}');
return (
<Container>
<Modalize ref={this.modalRef}
adjustToContentHeight
modalStyle={{backgroundColor: ThemeManager.getCurrentThemeVariables().containerBgColor}}>
{this.getModalContent()}
</Modalize>
<CustomHeader
hasBackButton={true}
navigation={nav}
hasSearchField={true}
searchCallback={(text) => this.search(text)}
shouldFocusSearchBar={this.shouldFocusSearchBar}
rightButton={this.getSortMenu()}
/>
<FlatList
data={this.state.currentlyDisplayedData}
extraData={this.state.currentlyDisplayedData}
keyExtractor={(item) => item.name + item.code}
style={{minHeight: 300, width: '100%'}}
renderItem={({item}) =>
<ListItem
thumbnail
onPress={() => {
this.showItemDetails(item);
}}
>
<Left>
<Thumbnail square source={{uri: item.image}}/>
</Left>
<Body>
<Text style={{marginLeft: 20}}>
{item.name}
</Text>
<Text note style={{
marginLeft: 20,
color: this.getStockColor(parseInt(item.quantity))
}}>
{item.quantity + ' ' + i18n.t('proximoScreen.inStock')}
</Text>
</Body>
<Right>
<Text style={{fontWeight: "bold"}}>
{item.price}
</Text>
</Right>
</ListItem>}
/>
</Container>
);
}
}