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a7ae217f
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Vaclav Honzik
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import { isMapPointDisplayable, PathVariant } from '../pathUtils'
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import * as yup from 'yup'
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export const exportAsGeoJsonString = (path: PathVariant) => JSON.stringify({
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type: 'FeatureCollection',
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features: path.filter(item => item.active && isMapPointDisplayable(item)).map((item) => {
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const catalogItem = item.catalogItem
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return {
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type: 'Feature',
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properties: {
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catalogItem: {
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id: catalogItem.id,
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name: catalogItem.name,
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allNames: catalogItem.allNames,
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description: catalogItem.description,
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latitude: catalogItem.latitude,
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longitude: catalogItem.longitude,
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},
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idx: item.idx,
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displayable: isMapPointDisplayable(item),
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},
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geometry: {
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type: 'Point',
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coordinates: [catalogItem.longitude, catalogItem.latitude],
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},
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}
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}),
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})
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const catalogItemValidationSchema = yup.object({
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id: yup.string().required(),
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name: yup.string().required(),
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allNames: yup.array().of(yup.string()).required(),
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description: yup.string(),
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latitude: yup.number().required(),
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longitude: yup.number().required(),
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})
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/**
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* Parses a GeoJson string and returns a list of MapPoints
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* @param geoJson loaded file
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* @returns
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*/
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export const parseGeoJsonToPathVariant = (geoJson: string) => {
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const parsed = JSON.parse(geoJson)
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if (parsed.type !== 'FeatureCollection') {
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throw new Error('Invalid GeoJson')
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}
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const features = parsed.features
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if (!features) {
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throw new Error('Invalid GeoJson provided')
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}
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const path: PathVariant = features.map((feature: any) => {
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const catalogItemDto = feature.properties.catalogItem
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if (!catalogItemDto) {
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throw new Error('GeoJson file does not have a valid structure')
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}
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// validate catalog item
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const catalogItem = catalogItemValidationSchema.validateSync(catalogItemDto)
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return {
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idx: feature.properties.idx,
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active: true,
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catalogItem: {
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id: catalogItem.id,
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name: catalogItem.name,
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description: catalogItem.description,
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latitude: catalogItem.latitude,
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longitude: catalogItem.longitude,
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},
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}
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})
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return path
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}
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