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AddMoment.js
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AddMoment.js
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import React, { Component } from 'react';
import { StyleSheet, Text, TextInput, Image, View, Button, ScrollView } from 'react-native';
import { ImagePicker,Permissions } from 'expo';
import Calendar from 'react-native-calendar-datepicker';
import Moment from 'moment';
import NavigationBar from 'react-native-navbar';
import * as firebase from 'firebase';
import { Analytics, ScreenHit, Event } from 'expo-analytics';
import { pushMomento } from './FirebaseHelper.js'
class AddMoment extends React.Component {
constructor() {
super()
this.state = {
title: null,
time: Moment().startOf('day'),
description: null,
imageUrl: null,
imageUri: null,
uploading: false,
};
global.analytics.hit(new ScreenHit('AddMoment'))
.then(() => console.log("success"))
.catch(e => console.log(e.message));
}
render() {
let { imageUri } = this.state;
const BLUE = '#2196F3';
const WHITE = '#FFFFFF';
const GREY = '#BDBDBD';
const BLACK = '#424242';
const LIGHT_GREY = '#F5F5F5';
if (this.state.uploading) {
return <View style={styles.loadContainer}><Text style={styles.loadText}>Uploading...</Text></View>;
} else {
return (
<View style={styles.navbarContainer}>
<ScrollView>
<NavigationBar
title = {{
title: 'Add Moment',
}}
rightButton = {{
title: 'Done',
handler: () => {
if (this.state.time != null) {
this.setState({time: this.state.time.format("MMM D, YYYY").toString()}, function() {
if (this.state.imageUri) {
this.setState({uploading: true})
this.uploadImageAndPushMomento(this.state.imageUri)
} else {
this.setState({uploading: true})
this.addMoment();
}
})
}
},
}}
leftButton = {{
title: 'Cancel',
handler: () => {this.props.navigation.goBack();},
}}
/>
<View style={styles.container}>
<TextInput
style={styles.smallInput}
value={this.state.title}
onChangeText={title => this.setState({title})}
placeholder="Title"
multiline = {true}
numberOfLines = {4}
returnKeyType="next"
blurOnSubmit={true}
/>
<TextInput
style={styles.largeInput}
value={this.state.description}
onChangeText={description => this.setState({description})}
placeholder="Description"
multiline = {true}
numberOfLines = {4}
returnKeyType="done"
blurOnSubmit={true}
/>
<Calendar
onChange={(time) =>
{
this.setState({time})
}}
selected={this.state.time}
minDate={Moment().subtract(10, 'years').startOf('day')}
maxDate={Moment().startOf('day')}
showArrows = {true}
style={{
borderWidth: 1,
borderColor: GREY,
borderRadius: 5,
}}
barView={{
backgroundColor: BLUE,
padding: 10,
}}
barText={{
fontWeight: 'bold',
color: WHITE,
}}
stageView={{
padding: 0,
}}
// Day selector styling
dayHeaderView={{
backgroundColor: LIGHT_GREY,
borderBottomColor: GREY,
}}
dayHeaderText={{
fontWeight: 'bold',
color: BLACK,
}}
dayRowView={{
borderColor: LIGHT_GREY,
height: 40,
}}
dayText={{
color: BLACK,
}}
dayDisabledText={{
color: GREY,
}}
dayTodayText={{
fontWeight: 'bold',
color: BLUE,
}}
daySelectedText={{
fontWeight: 'bold',
backgroundColor: BLUE,
color: WHITE,
borderRadius: 15,
borderColor: "transparent",
overflow: 'hidden',
}}
// Styling month selector.
monthText={{
color: BLACK,
borderColor: BLACK,
}}
monthDisabledText={{
color: GREY,
borderColor: GREY,
}}
monthSelectedText={{
fontWeight: 'bold',
backgroundColor: BLUE,
color: WHITE,
overflow: 'hidden',
}}
// Styling year selector.
yearMinTintColor={BLUE}
yearMaxTintColor={GREY}
yearText={{
color: BLACK,
}}
/>
<View style={{ paddingTop: 20 }}>
<Button
title="Pick image from camera roll"
onPress={this.pickFromGallery}
/>
</View>
{imageUri && <Image source={{ uri: imageUri }} style={{ width: 200, height: 200, alignSelf: 'center'}} />}
</View>
</ScrollView>
</View>
);
}
}
_pickImage = async () => {
let result = await ImagePicker.launchImageLibraryAsync({
allowsEditing: true,
aspect: [4, 3],
});
if (!result.cancelled) {
this.setState({ imageUri: result.uri });
}
};
pickFromGallery = async () => {
const permissions = Permissions.CAMERA_ROLL;
const { status } = await Permissions.askAsync(permissions);
global.analytics.event(new Event('Image', 'Add'))
.then(() => console.log("success"))
.catch(e => console.log(e.message));
if(status === 'granted') {
this._pickImage()
}
}
addMoment() {
global.analytics.event(new Event('Moment', 'Add', this.state.title))
.then(() => console.log("success"))
.catch(e => console.log(e.message));
Promise.all(pushMomento(this.state.title,
this.state.description,
this.state.imageUrl,
this.state.time,
global.timelineName)).then(function(snapshots){
setTimeout(() => {this.props.navigation.navigate('Home')}, 1000)
}.bind(this))
}
uploadImageAndPushMomento = async (uri) => {
console.log("uploadAsFile", uri)
const response = await fetch(uri);
const blob = await response.blob();
var metadata = {
contentType: 'image/jpeg',
};
let name = new Date().getTime() + "-media.jpg"
const ref = firebase
.storage()
.ref()
.child('assets/' + name)
return new Promise((resolve, reject) => {
const task = ref.put(blob, metadata);
task.on('state_changed', function(snapshot){
// Observe state change events such as progress, pause, and resume
// Get task progress, including the number of bytes uploaded and the total number of bytes to be uploaded
var progress = (snapshot.bytesTransferred / snapshot.totalBytes) * 100;
console.log('Upload is ' + progress + '% done');
}, function(error) {
// Handle unsuccessful uploads
}, function() {
// Handle successful uploads on complete
task.snapshot.ref.getDownloadURL().then(function(downloadURL) {
console.log('File available at', downloadURL);
this.setState({ imageUrl: downloadURL }, function() {
this.addMoment();
});
}.bind(this));
}.bind(this));
})
}
}
const styles = StyleSheet.create({
container: {
flex: 1,
padding: 20,
},
navbarContainer: {
flex: 1,
backgroundColor: 'white',
paddingHorizontal: 10,
paddingTop: 28,
},
loadText: {
fontFamily: 'Baskerville',
fontSize: 24,
alignSelf: 'center',
justifyContent: 'center',
},
loadContainer: {
flex: 1,
justifyContent: 'center',
alignItems: 'center',
},
smallInput: {
marginVertical: 20,
height: 34,
paddingHorizontal: 10,
borderRadius: 4,
borderColor: '#ccc',
borderWidth: 1,
fontSize: 16,
},
largeInput: {
marginVertical: 20,
height: 80,
paddingHorizontal: 10,
borderRadius: 4,
borderColor: '#ccc',
borderWidth: 1,
fontSize: 16,
},
});
export default AddMoment;