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# If applied, this commit will...
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prettify the whole file and allow other components that include the word "image" in them to be used by the photo uploader.
# Provide links to any relevant tickets, articles or other resources
Closes: #
Progresses : #
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AdamGold committed Jan 2, 2019
1 parent 6813b29 commit b38e722
Showing 1 changed file with 155 additions and 145 deletions.
300 changes: 155 additions & 145 deletions index.js
Original file line number Diff line number Diff line change
@@ -1,152 +1,162 @@
import React from 'react'
import PropTypes from 'prop-types'
import React from "react"
import PropTypes from "prop-types"
import {
View,
Image,
StyleSheet,
TouchableOpacity,
Platform
} from 'react-native'
import ImagePicker from 'react-native-image-picker'
import ImageResizer from 'react-native-image-resizer'
import RNFS from 'react-native-fs'
View,
Image,
StyleSheet,
TouchableOpacity,
Platform
} from "react-native"
import ImagePicker from "react-native-image-picker"
import ImageResizer from "react-native-image-resizer"
import RNFS from "react-native-fs"

export default class PhotoUpload extends React.Component {
static propTypes = {
containerStyle: PropTypes.object,
photoPickerTitle: PropTypes.string,
maxHeight: PropTypes.number,
maxWidth: PropTypes.number,
format: PropTypes.string,
quality: PropTypes.number,
onPhotoSelect: PropTypes.func, // returns the base64 string of uploaded photo
onError: PropTypes.func, // if any error occur with response
onTapCustomButton: PropTypes.func, // on tap custom button
onStart: PropTypes.func, // when user starts (useful for loading, etc)
onCancel: PropTypes.func, // when user cancel
onResponse: PropTypes.func, // on response exists!
onRender: PropTypes.func, // after render
onResizedImageUri: PropTypes.func, // when image resized is ready
imagePickerProps: PropTypes.object // react-native-image-picker props
}

state = {
maxHeight: this.props.height || 600,
maxWidth: this.props.width || 600,
format: this.props.format || 'JPEG',
quality: this.props.quality || 100,
buttonDisabled: false
}

options = {
title: this.props.photoPickerTitle || 'Select Photo',
storageOptions: {
skipBackup: true,
path: 'images'
},
...this.props.imagePickerProps
}

openImagePicker = () => {
this.setState({buttonDisabled: true})
if (this.props.onStart) this.props.onStart()

// get image from image picker
ImagePicker.showImagePicker(this.options, async response => {
this.setState({buttonDisabled: false})

let rotation = 0
const {originalRotation} = response


if (this.props.onResponse) this.props.onResponse(response)

if (response.didCancel) {
console.log('User cancelled image picker')
if (this.props.onCancel) this.props.onCancel('User cancelled image picker')
return
} else if (response.error) {
console.log('ImagePicker Error: ', response.error)
if (this.props.onError) this.props.onError(response.error)
return
} else if (response.customButton) {
console.log('User tapped custom button: ', response.customButton)
if (this.props.onTapCustomButton) this.props.onTapCustomButton(response.customButton)
return
}

let { maxHeight, maxWidth, quality, format } = this.state

//Determining rotation param
if ( originalRotation === 90) {
rotation = 90
} else if (originalRotation === 180) {
//For a few images rotation is 180.
rotation = -180
} else if ( originalRotation === 270 ) {
//When taking images with the front camera (selfie), the rotation is 270.
rotation = -90
}
// resize image
const resizedImageUri = await ImageResizer.createResizedImage(
`data:image/jpeg;base64,${response.data}`,
maxHeight,
maxWidth,
format,
quality,
rotation
)

if (this.props.onResizedImageUri) this.props.onResizedImageUri(resizedImageUri)

const filePath = Platform.OS === 'android' && resizedImageUri.uri.replace
? resizedImageUri.uri.replace('file:/data', '/data')
: resizedImageUri.uri

// convert image back to base64 string
const photoData = await RNFS.readFile(filePath, 'base64')
let source = { uri: resizedImageUri.uri }
this.setState({
avatarSource: source
})

// handle photo in props functions as data string
if (this.props.onPhotoSelect) this.props.onPhotoSelect(photoData)
})
}

renderChildren = props => {
return React.Children.map(props.children, child => {
if (child && child.type === Image && this.state.avatarSource) {
return React.cloneElement(child, {
source: this.state.avatarSource
})
} else return child
})
}

componentDidUpdate() {
if (this.props.onAfterRender) this.props.onAfterRender(this.state)
}

render() {
return (
<View style={[styles.container, this.props.containerStyle]}>
<TouchableOpacity
onPress={this.openImagePicker}
disabled={this.state.buttonDisabled}
>
{this.renderChildren(this.props)}
</TouchableOpacity>
</View>
)
}
static propTypes = {
containerStyle: PropTypes.object,
photoPickerTitle: PropTypes.string,
maxHeight: PropTypes.number,
maxWidth: PropTypes.number,
format: PropTypes.string,
quality: PropTypes.number,
onPhotoSelect: PropTypes.func, // returns the base64 string of uploaded photo
onError: PropTypes.func, // if any error occur with response
onTapCustomButton: PropTypes.func, // on tap custom button
onStart: PropTypes.func, // when user starts (useful for loading, etc)
onCancel: PropTypes.func, // when user cancel
onResponse: PropTypes.func, // on response exists!
onRender: PropTypes.func, // after render
onResizedImageUri: PropTypes.func, // when image resized is ready
imagePickerProps: PropTypes.object // react-native-image-picker props
}

state = {
maxHeight: this.props.height || 600,
maxWidth: this.props.width || 600,
format: this.props.format || "JPEG",
quality: this.props.quality || 100,
buttonDisabled: false
}

options = {
title: this.props.photoPickerTitle || "Select Photo",
storageOptions: {
skipBackup: true,
path: "images"
},
...this.props.imagePickerProps
}

openImagePicker = () => {
this.setState({ buttonDisabled: true })
if (this.props.onStart) this.props.onStart()

// get image from image picker
ImagePicker.showImagePicker(this.options, async response => {
this.setState({ buttonDisabled: false })

let rotation = 0
const { originalRotation } = response

if (this.props.onResponse) this.props.onResponse(response)

if (response.didCancel) {
console.log("User cancelled image picker")
if (this.props.onCancel)
this.props.onCancel("User cancelled image picker")
return
} else if (response.error) {
console.log("ImagePicker Error: ", response.error)
if (this.props.onError) this.props.onError(response.error)
return
} else if (response.customButton) {
console.log(
"User tapped custom button: ",
response.customButton
)
if (this.props.onTapCustomButton)
this.props.onTapCustomButton(response.customButton)
return
}

let { maxHeight, maxWidth, quality, format } = this.state

//Determining rotation param
if (originalRotation === 90) {
rotation = 90
} else if (originalRotation === 180) {
//For a few images rotation is 180.
rotation = -180
} else if (originalRotation === 270) {
//When taking images with the front camera (selfie), the rotation is 270.
rotation = -90
}
// resize image
const resizedImageUri = await ImageResizer.createResizedImage(
`data:image/jpeg;base64,${response.data}`,
maxHeight,
maxWidth,
format,
quality,
rotation
)

if (this.props.onResizedImageUri)
this.props.onResizedImageUri(resizedImageUri)

const filePath =
Platform.OS === "android" && resizedImageUri.uri.replace
? resizedImageUri.uri.replace("file:/data", "/data")
: resizedImageUri.uri

// convert image back to base64 string
const photoData = await RNFS.readFile(filePath, "base64")
let source = { uri: resizedImageUri.uri }
this.setState({
avatarSource: source
})

// handle photo in props functions as data string
if (this.props.onPhotoSelect) this.props.onPhotoSelect(photoData)
})
}

renderChildren = props => {
return React.Children.map(props.children, child => {
if (
child &&
child.type.displayName.includes("Image") &&
this.state.avatarSource
) {
return React.cloneElement(child, {
source: this.state.avatarSource
})
} else return child
})
}

componentDidUpdate() {
if (this.props.onAfterRender) this.props.onAfterRender(this.state)
}

render() {
return (
<View style={[styles.container, this.props.containerStyle]}>
<TouchableOpacity
onPress={this.openImagePicker}
disabled={this.state.buttonDisabled}
>
{this.renderChildren(this.props)}
</TouchableOpacity>
</View>
)
}
}

const styles = StyleSheet.create({
container: {
flex: 1,
justifyContent: 'center',
alignItems: 'center'
}
container: {
flex: 1,
justifyContent: "center",
alignItems: "center"
}
})

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