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import React, {useCallback} from 'react'
import {Image, StyleSheet, TouchableOpacity, ScrollView} from 'react-native'
import {
FontAwesomeIcon,
FontAwesomeIconStyle,
} from '@fortawesome/react-native-fontawesome'
import {
openPicker,
openCamera,
openCropper,
} from '../../util/images/image-crop-picker/ImageCropPicker'
import {
UserLocalPhotosModel,
PhotoIdentifier,
} from '../../../../state/models/user-local-photos'
import {compressIfNeeded, scaleDownDimensions} from '../../../../lib/images'
import {usePalette} from '../../../lib/hooks/usePalette'
import {useStores, RootStoreModel} from '../../../../state'
const MAX_WIDTH = 1000
const MAX_HEIGHT = 1000
const MAX_SIZE = 300000
const IMAGE_PARAMS = {
width: 1000,
height: 1000,
freeStyleCropEnabled: true,
}
export async function cropPhoto(
store: RootStoreModel,
path: string,
imgWidth = MAX_WIDTH,
imgHeight = MAX_HEIGHT,
) {
// choose target dimensions based on the original
// this causes the photo cropper to start with the full image "selected"
const {width, height} = scaleDownDimensions(
{width: imgWidth, height: imgHeight},
{width: MAX_WIDTH, height: MAX_HEIGHT},
)
const cropperRes = await openCropper(store, {
mediaType: 'photo',
path,
freeStyleCropEnabled: true,
width,
height,
})
const img = await compressIfNeeded(cropperRes, MAX_SIZE)
return img.path
}
export const PhotoCarouselPicker = ({
selectedPhotos,
onSelectPhotos,
}: {
selectedPhotos: string[]
onSelectPhotos: (v: string[]) => void
}) => {
const pal = usePalette('default')
const store = useStores()
const [localPhotos, setLocalPhotos] = React.useState<
UserLocalPhotosModel | undefined
>(undefined)
// initial setup
React.useEffect(() => {
const photos = new UserLocalPhotosModel(store)
photos.setup().then(() => {
if (photos.photos) {
setLocalPhotos(photos)
}
})
}, [store])
const handleOpenCamera = useCallback(async () => {
try {
const cameraRes = await openCamera(store, {
mediaType: 'photo',
...IMAGE_PARAMS,
})
const img = await compressIfNeeded(cameraRes, MAX_SIZE)
onSelectPhotos([...selectedPhotos, img.path])
} catch (err: any) {
// ignore
store.log.warn('Error using camera', err)
}
}, [store, selectedPhotos, onSelectPhotos])
const handleSelectPhoto = useCallback(
async (item: PhotoIdentifier) => {
try {
const imgPath = await cropPhoto(
store,
item.node.image.uri,
item.node.image.width,
item.node.image.height,
)
onSelectPhotos([...selectedPhotos, imgPath])
} catch (err: any) {
// ignore
store.log.warn('Error selecting photo', err)
}
},
[store, selectedPhotos, onSelectPhotos],
)
const handleOpenGallery = useCallback(() => {
openPicker(store, {
multiple: true,
maxFiles: 4 - selectedPhotos.length,
mediaType: 'photo',
}).then(async items => {
const result = []
for (const image of items) {
// choose target dimensions based on the original
// this causes the photo cropper to start with the full image "selected"
const {width, height} = scaleDownDimensions(
{width: image.width, height: image.height},
{width: MAX_WIDTH, height: MAX_HEIGHT},
)
const cropperRes = await openCropper(store, {
mediaType: 'photo',
path: image.path,
freeStyleCropEnabled: true,
width,
height,
})
const finalImg = await compressIfNeeded(cropperRes, MAX_SIZE)
result.push(finalImg.path)
}
onSelectPhotos([...selectedPhotos, ...result])
})
}, [store, selectedPhotos, onSelectPhotos])
return (
<ScrollView
testID="photoCarouselPickerView"
horizontal
style={[pal.view, styles.photosContainer]}
keyboardShouldPersistTaps="always"
showsHorizontalScrollIndicator={false}>
<TouchableOpacity
testID="openCameraButton"
style={[styles.galleryButton, pal.border, styles.photo]}
onPress={handleOpenCamera}>
<FontAwesomeIcon
icon="camera"
size={24}
style={pal.link as FontAwesomeIconStyle}
/>
</TouchableOpacity>
<TouchableOpacity
testID="openGalleryButton"
style={[styles.galleryButton, pal.border, styles.photo]}
onPress={handleOpenGallery}>
<FontAwesomeIcon
icon="image"
style={pal.link as FontAwesomeIconStyle}
size={24}
/>
</TouchableOpacity>
{localPhotos != null &&
localPhotos.photos.map((item: PhotoIdentifier, index: number) => (
<TouchableOpacity
testID="openSelectPhotoButton"
key={`local-image-${index}`}
style={[pal.border, styles.photoButton]}
onPress={() => handleSelectPhoto(item)}>
<Image style={styles.photo} source={{uri: item.node.image.uri}} />
</TouchableOpacity>
))}
</ScrollView>
)
}
const styles = StyleSheet.create({
photosContainer: {
width: '100%',
maxHeight: 96,
padding: 8,
overflow: 'hidden',
},
galleryButton: {
borderWidth: 1,
alignItems: 'center',
justifyContent: 'center',
},
photoButton: {
width: 75,
height: 75,
marginRight: 8,
borderWidth: 1,
borderRadius: 16,
},
photo: {
width: 75,
height: 75,
marginRight: 8,
borderRadius: 16,
},
})
|
