application-amicale/screens/HomeScreen.js

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JavaScript
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// @flow
import * as React from 'react';
import {Image, Linking, TouchableOpacity, View} from 'react-native';
import {Body, Button, Card, CardItem, Left, Text, Thumbnail} from 'native-base';
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import i18n from "i18n-js";
import CustomMaterialIcon from '../components/CustomMaterialIcon';
import FetchedDataSectionList from "../components/FetchedDataSectionList";
import Autolink from 'react-native-autolink';
const ICON_AMICALE = require('../assets/amicale.png');
const NAME_AMICALE = 'Amicale INSA Toulouse';
const DATA_URL = "https://etud.insa-toulouse.fr/~vergnet/appli-amicale/facebook_data.json";
/**
* Opens a link in the device's browser
* @param link The link to open
*/
function openWebLink(link) {
Linking.openURL(link).catch((err) => console.error('Error opening link', err));
}
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/**
* Class defining the app's home screen
*/
export default class HomeScreen extends FetchedDataSectionList {
constructor() {
super(DATA_URL);
}
getHeaderTranslation() {
return i18n.t("screens.home");
}
shouldShowUpdateToast(): boolean {
return false;
}
getKeyExtractor(item: Object) {
return item !== undefined ? item.id : undefined;
}
createDataset(fetchedData: Object) {
let data = [];
if (fetchedData.data !== undefined)
data = fetchedData.data;
return [
{
title: '',
data: data,
extraData: super.state
}
];
}
/**
* Converts a dateString using Unix Timestamp to a formatted date
* @param dateString {string} The Unix Timestamp representation of a date
* @return {string} The formatted output date
*/
static getFormattedDate(dateString: string) {
let date = new Date(Number.parseInt(dateString) * 1000);
return date.toLocaleString();
}
getRenderItem(item: Object, section: Object, data: Object) {
return (
<Card style={{flex: 0}}>
<CardItem>
<Left>
<Thumbnail source={ICON_AMICALE}/>
<Body>
<Text>{NAME_AMICALE}</Text>
<Text note>{HomeScreen.getFormattedDate(item.created_time)}</Text>
</Body>
</Left>
</CardItem>
<CardItem>
<Body>
{item.full_picture !== '' && item.full_picture !== undefined ?
<TouchableOpacity onPress={() => openWebLink(item.full_picture)}
style={{width: '100%', height: 250}}>
<Image source={{uri: item.full_picture}}
style={{flex: 1, resizeMode: "contain"}}
resizeMode="contain"
/>
</TouchableOpacity>
: <View/>}
{item.message !== undefined ?
<Autolink
text={item.message}
hashtag="facebook"
/> : <View/>
}
</Body>
</CardItem>
<CardItem>
<Left>
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<Button transparent
onPress={() => openWebLink(item.permalink_url)}>
<CustomMaterialIcon
icon="facebook"
color="#57aeff"
width={20}/>
<Text>En savoir plus</Text>
</Button>
</Left>
</CardItem>
</Card>
);
}
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}