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AdamGoldAdamGold
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undo the prettify in the last commit so the owner can spot the diff
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‎index.js

Lines changed: 141 additions & 147 deletions
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import React from "react"
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import PropTypes from "prop-types"
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import React from 'react'
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import PropTypes from 'prop-types'
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import {
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View,
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Image,
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StyleSheet,
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TouchableOpacity,
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Platform
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} from "react-native"
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import ImagePicker from "react-native-image-picker"
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import ImageResizer from "react-native-image-resizer"
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import RNFS from "react-native-fs"
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View,
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Image,
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StyleSheet,
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TouchableOpacity,
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Platform
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} from 'react-native'
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import ImagePicker from 'react-native-image-picker'
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import ImageResizer from 'react-native-image-resizer'
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import RNFS from 'react-native-fs'
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export default class PhotoUpload extends React.Component {
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static propTypes = {
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containerStyle: PropTypes.object,
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photoPickerTitle: PropTypes.string,
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maxHeight: PropTypes.number,
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maxWidth: PropTypes.number,
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format: PropTypes.string,
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quality: PropTypes.number,
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onPhotoSelect: PropTypes.func, // returns the base64 string of uploaded photo
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onError: PropTypes.func, // if any error occur with response
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onTapCustomButton: PropTypes.func, // on tap custom button
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onStart: PropTypes.func, // when user starts (useful for loading, etc)
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onCancel: PropTypes.func, // when user cancel
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onResponse: PropTypes.func, // on response exists!
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onRender: PropTypes.func, // after render
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onResizedImageUri: PropTypes.func, // when image resized is ready
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imagePickerProps: PropTypes.object // react-native-image-picker props
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}
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state = {
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maxHeight: this.props.height || 600,
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maxWidth: this.props.width || 600,
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format: this.props.format || "JPEG",
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quality: this.props.quality || 100,
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buttonDisabled: false
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}
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options = {
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title: this.props.photoPickerTitle || "Select Photo",
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storageOptions: {
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skipBackup: true,
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path: "images"
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},
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...this.props.imagePickerProps
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}
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openImagePicker = () => {
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this.setState({ buttonDisabled: true })
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if (this.props.onStart) this.props.onStart()
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// get image from image picker
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ImagePicker.showImagePicker(this.options, async response => {
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this.setState({ buttonDisabled: false })
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let rotation = 0
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const { originalRotation } = response
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if (this.props.onResponse) this.props.onResponse(response)
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if (response.didCancel) {
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console.log("User cancelled image picker")
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if (this.props.onCancel)
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this.props.onCancel("User cancelled image picker")
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return
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} else if (response.error) {
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console.log("ImagePicker Error: ", response.error)
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if (this.props.onError) this.props.onError(response.error)
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return
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} else if (response.customButton) {
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console.log(
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"User tapped custom button: ",
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response.customButton
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)
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if (this.props.onTapCustomButton)
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this.props.onTapCustomButton(response.customButton)
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return
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}
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let { maxHeight, maxWidth, quality, format } = this.state
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//Determining rotation param
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if (originalRotation === 90) {
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rotation = 90
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} else if (originalRotation === 180) {
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//For a few images rotation is 180.
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rotation = -180
90-
} else if (originalRotation === 270) {
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//When taking images with the front camera (selfie), the rotation is 270.
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rotation = -90
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}
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// resize image
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const resizedImageUri = await ImageResizer.createResizedImage(
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`data:image/jpeg;base64,${response.data}`,
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maxHeight,
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maxWidth,
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format,
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quality,
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rotation
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)
103-
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if (this.props.onResizedImageUri)
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this.props.onResizedImageUri(resizedImageUri)
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const filePath =
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Platform.OS === "android" && resizedImageUri.uri.replace
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? resizedImageUri.uri.replace("file:/data", "/data")
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: resizedImageUri.uri
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// convert image back to base64 string
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const photoData = await RNFS.readFile(filePath, "base64")
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let source = { uri: resizedImageUri.uri }
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this.setState({
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avatarSource: source
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})
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// handle photo in props functions as data string
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if (this.props.onPhotoSelect) this.props.onPhotoSelect(photoData)
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})
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}
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renderChildren = props => {
125-
return React.Children.map(props.children, child => {
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if (child && child.type === Image && this.state.avatarSource) {
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return React.cloneElement(child, {
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source: this.state.avatarSource
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})
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} else return child
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})
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}
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componentDidUpdate() {
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if (this.props.onAfterRender) this.props.onAfterRender(this.state)
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}
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render() {
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return (
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<View style={[styles.container, this.props.containerStyle]}>
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<TouchableOpacity
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onPress={this.openImagePicker}
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disabled={this.state.buttonDisabled}
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>
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{this.renderChildren(this.props)}
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</TouchableOpacity>
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</View>
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)
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}
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}
15+
static propTypes = {
16+
containerStyle: PropTypes.object,
17+
photoPickerTitle: PropTypes.string,
18+
maxHeight: PropTypes.number,
19+
maxWidth: PropTypes.number,
20+
format: PropTypes.string,
21+
quality: PropTypes.number,
22+
onPhotoSelect: PropTypes.func, // returns the base64 string of uploaded photo
23+
onError: PropTypes.func, // if any error occur with response
24+
onTapCustomButton: PropTypes.func, // on tap custom button
25+
onStart: PropTypes.func, // when user starts (useful for loading, etc)
26+
onCancel: PropTypes.func, // when user cancel
27+
onResponse: PropTypes.func, // on response exists!
28+
onRender: PropTypes.func, // after render
29+
onResizedImageUri: PropTypes.func, // when image resized is ready
30+
imagePickerProps: PropTypes.object // react-native-image-picker props
31+
}
32+
33+
state = {
34+
maxHeight: this.props.height || 600,
35+
maxWidth: this.props.width || 600,
36+
format: this.props.format || 'JPEG',
37+
quality: this.props.quality || 100,
38+
buttonDisabled: false
39+
}
40+
41+
options = {
42+
title: this.props.photoPickerTitle || 'Select Photo',
43+
storageOptions: {
44+
skipBackup: true,
45+
path: 'images'
46+
},
47+
...this.props.imagePickerProps
48+
}
49+
50+
openImagePicker = () => {
51+
this.setState({ buttonDisabled: true })
52+
if (this.props.onStart) this.props.onStart()
53+
54+
// get image from image picker
55+
ImagePicker.showImagePicker(this.options, async response => {
56+
this.setState({ buttonDisabled: false })
57+
58+
let rotation = 0
59+
const { originalRotation } = response
60+
61+
62+
if (this.props.onResponse) this.props.onResponse(response)
63+
64+
if (response.didCancel) {
65+
console.log('User cancelled image picker')
66+
if (this.props.onCancel) this.props.onCancel('User cancelled image picker')
67+
return
68+
} else if (response.error) {
69+
console.log('ImagePicker Error: ', response.error)
70+
if (this.props.onError) this.props.onError(response.error)
71+
return
72+
} else if (response.customButton) {
73+
console.log('User tapped custom button: ', response.customButton)
74+
if (this.props.onTapCustomButton) this.props.onTapCustomButton(response.customButton)
75+
return
76+
}
77+
78+
let { maxHeight, maxWidth, quality, format } = this.state
79+
80+
//Determining rotation param
81+
if (originalRotation === 90) {
82+
rotation = 90
83+
} else if (originalRotation === 180) {
84+
//For a few images rotation is 180.
85+
rotation = -180
86+
} else if (originalRotation === 270) {
87+
//When taking images with the front camera (selfie), the rotation is 270.
88+
rotation = -90
89+
}
90+
// resize image
91+
const resizedImageUri = await ImageResizer.createResizedImage(
92+
`data:image/jpeg;base64,${response.data}`,
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maxHeight,
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maxWidth,
95+
format,
96+
quality,
97+
rotation
98+
)
99+
100+
if (this.props.onResizedImageUri) this.props.onResizedImageUri(resizedImageUri)
101+
102+
const filePath = Platform.OS === 'android' && resizedImageUri.uri.replace
103+
? resizedImageUri.uri.replace('file:/data', '/data')
104+
: resizedImageUri.uri
105+
106+
// convert image back to base64 string
107+
const photoData = await RNFS.readFile(filePath, 'base64')
108+
let source = { uri: resizedImageUri.uri }
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this.setState({
110+
avatarSource: source
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})
112+
113+
// handle photo in props functions as data string
114+
if (this.props.onPhotoSelect) this.props.onPhotoSelect(photoData)
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})
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}
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renderChildren = props => {
119+
return React.Children.map(props.children, child => {
120+
if (child && child.type === Image && this.state.avatarSource) {
121+
return React.cloneElement(child, {
122+
source: this.state.avatarSource
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})
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} else return child
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})
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}
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componentDidUpdate() {
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if (this.props.onAfterRender) this.props.onAfterRender(this.state)
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}
131+
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render() {
133+
return (
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<View style={[this.props.containerStyle]}>
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<TouchableOpacity
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onPress={this.openImagePicker}
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disabled={this.state.buttonDisabled}
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>
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{this.renderChildren(this.props)}
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</TouchableOpacity>
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</View>
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)
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}
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}

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