blazerapp/app/Home.js

import React, { useState } from 'react';
import {
  SafeAreaView,
  StyleSheet,
  ScrollView,
  View,
  Text,
  StatusBar,
  Modal,
  TouchableHighlight,
  Image,
  FlatList,
} from 'react-native';

import {
  Header,
  LearnMoreLinks,
  Colors,
  DebugInstructions,
  ReloadInstructions,
} from 'react-native/Libraries/NewAppScreen';
import styles from './styles/morestyles'
import liststyles from './styles/liststyles'
import { url } from './resources/fetchInfo.json'
import LinearGradient from 'react-native-linear-gradient';
import StudentWeek from './StudentWeek';
import { TouchableOpacity } from 'react-native-gesture-handler';
import { NavigationContainer } from '@react-navigation/native'
import { createStackNavigator } from '@react-navigation/stack'
import Calendar from './Calendar';
import AsyncStorage from '@react-native-community/async-storage'

const STORAGE_KEY = "teacherAnnouncements"
const Stack = createStackNavigator()

const getCurrentDate=()=>{
  var date = new Date().getDate();
  var month = new Date().getMonth() + 1;
  var year = new Date().getFullYear();

  return year + '-' + month + '-' + date;
}

const Event = ({item}) => {
  const calendarIconURI = item.item.image !== undefined?`data:image/png;charset=utf-8;base64,${item.item.image}`:''
	const [visible, setVisible] = useState(false)
  const date = item.item.date.split('-')
  const today = new Date(getCurrentDate())
  const week = new Date().setDate(new Date().getDate() - 8)
  const itemDate = new Date(item.item.date)

	const extra = (
		<>
			<Text style={{fontSize:20}}>{item.item.text}</Text>
			<Text style={{fontSize:20}}>Location: {item.item.location}</Text>
		</>
  )
  if (itemDate >= today) {
    return (
      <TouchableOpacity style={{display:'flex', borderWidth:2, borderColor: 'black', borderRadius: 8, width: 120, height: 226, marginRight: 10}} onPress={()=>setVisible(!visible)} activeOpacity={0.8}>
        <View>
          <Image source = {{calendarIconURI}} style = {{height: '78%', width: '100%', borderTopLeftRadius: 8, borderTopRightRadius: 8}}/>
          <View style={{height: '22%', paddingHorizontal: '2%'}}>
            <Text style={{fontSize: 16}}>{item.item.title}</Text>
            <Text style={{fontSize: 12}}>{`${date[1]}/${date[2]}/${date[0]}`}</Text>
          </View>
        </View>
		  </TouchableOpacity>
    )
  }
  else if (itemDate >= week){
    return (
      <TouchableOpacity style={{backgroundColor: '#e3e3e', display:'flex', borderWidth:1, borderColor: 'black', borderRadius: 8, width: 120, height: 226, marginRight: 10}} onPress={()=>setVisible(!visible)} activeOpacity={0.8}>
      <View>
        <Image source = {{calendarIconURI}} style = {{height: '78%', width: '100%', borderTopLeftRadius: 8, borderTopRightRadius: 8}}/>
        <View style={{height: '22%', paddingHorizontal: '2%', backgroundColor: '#e3e3e3', borderBottomLeftRadius: 8, borderBottomRightRadius: 8}}>
          <Text style={{fontSize: 16}}>{item.item.title}</Text>
          <Text style={{fontSize: 12}}>{`${date[1]}/${date[2]}/${date[0]}`}</Text>
        </View>
      </View>
    </TouchableOpacity>
	  )
  }
  else {
    return (
      null
    )
  }
}

function Home1() {

const [modalVisible, setModalVisible] = useState(false);
  return (
    <View>
      <View>
        <Modal animationType="slide" transparent={true} visible={modalVisible}>
          <View style={styles.modal}>
            <View style={{display: 'flex', flexDirection:'row', justifyContent: 'flex-end'}}>
              <TouchableHighlight onPress={() => {setModalVisible(false);}}>
                <Image source = {require('./assets/exit.png')} style = {{height: 40, width: 40}}/>
              </TouchableHighlight>
            </View>  
            <View>
              <Image source = {require('./assets/blair_logo.png')} style = {{alignSelf: 'center', marginTop: '5%', height: 325, width: 325}}/>
              <Text style={styles.modalText}>{url}</Text>
            </View>
          </View>
        </Modal>
      </View>
      <View>

      </View>
    </View>
  )
}

class Home extends React.Component {
  constructor(props) {
		super(props)
		this.state = {
      studentData: [],
      announcementsData:[],
      challengeData:[],
      data:[],
			isLoading:true  
		}
	}
	addFavorite = (name) => {
		const favoriteNames = this.state.favoriteNames.slice().map(({name})=>name)
		const index = favoriteNames.indexOf(name)
		if (index < 0) {
			favoriteNames.push(name)
		}
		else {
			favoriteNames.splice(index,1)
		}
		favoriteNames.sort()
		this.setState({favoriteNames:favoriteNames.map(name=>({name:name}))})
		AsyncStorage.setItem(STORAGE_KEY,JSON.stringify(favoriteNames)).catch(console.log).done()
	}
	componentDidMount() {
		fetch(`${url}/api/en/student`,{
		  headers: {
			'Cache-Control': 'no-cache'
		  }}
		).then((response) => {
			return response.text();list 
		}).then((json) => {
			this.setState({studentData: JSON.parse(json),isLoading:false});
    }).catch((error) => console.error(error))

    fetch(`${url}/api/en/challenge`,{
		  headers: {
			'Cache-Control': 'no-cache'
		  }}
		).then((response) => {
			return response.text();
		}).then((json) => {
			this.setState({challengeData: JSON.parse(json),isLoading:false});
		}).catch((error) => console.error(error))
    
    this.getData()
		this.props.navigation.addListener(
			'focus',
			() => {
				this.getData()
			}
    );

    this.getData1()
		AsyncStorage.getItem(STORAGE_KEY)
			.then(value=>value==null?[]:JSON.parse(value).map(x=>({name:x})))
			.then(names=>this.setState({favoriteNames:names}))
			.catch(console.log)
			.done()
  }

  getData1() {
		fetch(`${url}/api/en/announcements`,{
			headers: {
				'Cache-Control': 'no-cache'
			}
			}
		)
		.then((response) => {
			return response.text()
		})
		.then((txt) => {
			const data = JSON.parse(txt).data;
			const teacherNames = [...new Set(data.filter(x=>x.teacher!=null&&x.teacher.trim()!=='').map(x=>x.teacher))];
			teacherNames.sort()
			this.setState({data: data, teacherNames: teacherNames.map(x=>({name:x})),isLoading:false});
		})
		.catch((error) => console.error(error))
  }
  
  getData() {
		fetch(`${url}/api/en/events`,{
		  headers: {
			'Cache-Control': 'no-cache'
		  } })
		  .then((response) => {
			return response.text();
		  })
		  .then((json) => {
			const data = JSON.parse(json).data
			data.sort((a,b)=>new Date(b.date).getTime()-new Date(a.date).getTime())
			this.setState({data: data});
		  })
		  .catch((error) => console.error(error))
	}
  
	render() {
    const iconURI = this.state.studentData.icon !== undefined?`data:image/png;charset=utf-8;base64,${this.state.studentData.icon}`:`data:image/png;charset-utf-8;base64,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
    return (
      <View>
        
        <View style = {{height: 90, display: 'flex'}}>
          <LinearGradient
            colors={['#f99', 'white']}
            style = {{height: '100%', borderBottomColor:'black', borderBottomWidth:0.5, display: 'flex', justifyContent: 'flex-end', paddingBottom: '2.5%'}}
          >
            <Text style = {{fontSize: 24, fontWeight: 'bold', alignSelf: 'center'}}>Blair</Text>
          </LinearGradient>
         
        </View>
        <Home1></Home1>
        <ScrollView style={{height: '100%', backgroundColor: 'white'}}>

          <View style={{height: 275, backgroundColor: 'white', padding: '2%'}}>
            <View style={{display: 'flex', flexDirection: 'row', alignItems: 'center', justifyContent: 'space-between', marginBottom: '2%'}}>
              <Text style={liststyles.homeTitle}>What's New?</Text>
              <TouchableOpacity onPress={()=>this.navigation.navigate(Calendar)}>
                <Text style={{color: 'blue', textDecorationLine: 'underline'}}>View All</Text>
              </TouchableOpacity>
            </View>
            <ScrollView horizontal='true' style={{height: '105%', display: 'flex', flexDirection: 'row', paddingHorizontal: '2%'}}>
              <View style={{display:'flex', flexDirection: 'row'}}>
                <FlatList
                data={this.state.data}
                renderItem={item=><Event item={item}/>}
                keyExtractor={item=>JSON.stringify(item)}
                horizontal
                />
              </View>
            </ScrollView>
          </View>
          
          <View style={{height: 275, backgroundColor: 'white', padding: '2%'}}>
            <Text style={liststyles.homeTitle}>Student of the Week</Text>
            <View style={{display: 'flex', flexDirection: 'row', paddingTop: '5%', paddingHorizontal: '2%', justifyContent: 'space-between'}}>
              <View style={{display: 'flex', borderWidth: 1, borderColor: 'black', borderRadius: 8, width: '32%', height: '100%'}}>
                <View style={{height:'70%'}}>
                  <Image source = {{iconURI}} style = {{height:'100%', width: '100%', borderTopRightRadius: 8, borderTopLeftRadius:8}}/>
                </View>
                <View style ={{paddingHorizontal: '2%', height: '15%'}}>
                  <Text style={{fontWeight: 'bold', fontSize: 18}}>{this.state.studentData.name}</Text>
                  <Text>Grade {this.state.studentData.year}</Text>
                </View>
              </View>
              <View style={{borderWidth: 1, borderColor: 'black', borderRadius: 8, width: '64%', height: '100%', padding: '2%'}}>
                <Text style={{fontSize: 16}}><Text style={{fontWeight: 'bold'}}>Hobbies: </Text>{this.state.studentData.hobbies}</Text>
                <Text style={{fontSize: 16}}><Text style={{fontWeight: 'bold'}}>Achievements: </Text>{this.state.studentData.achievements}</Text>
                <Text style={{fontSize: 16}}><Text style={{fontWeight: 'bold'}}>Messages: </Text>{this.state.studentData.messages}</Text>
              </View>
            </View>
          </View>

          <TouchableOpacity style={{height: 400, padding: '2%'}}>
            <Text style={liststyles.homeTitle}>Announcements</Text>
          </TouchableOpacity>

          
        </ScrollView>
        
      </View>
		)
	}
}
export default Home;