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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 | 4x 4x 4x 4x 4x 4x 4x 4x 80x 80x 80x 16x 64x 64x 60x 64x 7x 57x 80x 8x 72x 2x 70x 4x 66x 2x 64x 16x 16x 8x 8x 8x 6x 8x 4x 8x 64x 57x 57x 8x 49x 3x 46x 8x 38x 3x 3x 5x 3x 4x | const _ = require('lodash') const { filterAndTransform } = require('./filter-and-transform') const { logWarnings } = require('./log-warnings') const { renderFeaturesResponse } = require('./render-features') const { renderStatisticsResponse } = require('./render-statistics') const { renderPrecalculatedStatisticsResponse } = require('./render-precalculated-statistics') const { renderCountAndExtentResponse } = require('./render-count-and-extent') const { getGeometryTypeFromGeojson } = require('../helpers') function query (json, requestParams = {}) { const { features, filtersApplied: { all: skipFiltering } = {} } = json const { f: requestedFormat } = requestParams if (shouldRenderPrecalculatedData(json, requestParams)) { return renderPrecalculatedData(json, requestParams) } const data = (skipFiltering || !features) ? json : filterAndTransform(json, requestParams) if (shouldLogWarnings()) { logWarnings(data, requestParams.f) } if (requestedFormat === 'geojson') { return { type: 'FeatureCollection', features: data.features } } return renderGeoservicesResponse(data, { ...requestParams, attributeSample: _.get(json, 'features[0].properties'), geometryType: getGeometryTypeFromGeojson(json) }) } function shouldRenderPrecalculatedData ({ statistics, count, extent }, { returnCountOnly, returnExtentOnly }) { if (statistics) { return true } if (returnCountOnly === true && count !== undefined && returnExtentOnly === true && extent) { return true } if (returnCountOnly === true && count !== undefined && !returnExtentOnly) { return true } if (returnExtentOnly === true && extent && !returnCountOnly) { return true } return false } function renderPrecalculatedData (data, { returnCountOnly, returnExtentOnly, outStatistics, groupByFieldsForStatistics }) { const { statistics, count, extent } = data if (statistics) { return renderPrecalculatedStatisticsResponse(data, { outStatistics, groupByFieldsForStatistics }) } const retVal = {} if (returnCountOnly) { retVal.count = count } if (returnExtentOnly) { retVal.extent = extent } return retVal } function shouldLogWarnings () { return process.env.NODE_ENV !== 'production' && process.env.KOOP_WARNINGS !== 'suppress' } function renderGeoservicesResponse (data, params = {}) { const { returnCountOnly, returnExtentOnly, returnIdsOnly, outSR } = params if (returnCountOnly || returnExtentOnly) { return renderCountAndExtentResponse(data, { returnCountOnly, returnExtentOnly, outSR }) } if (returnIdsOnly) { return renderIdsOnlyResponse(data) } if (data.statistics) { return renderStatisticsResponse(data, params) } return renderFeaturesResponse(data, params) } function renderIdsOnlyResponse ({ features = [], metadata = {} }) { const objectIdFieldName = metadata.idField || 'OBJECTID' const objectIds = features.map(({ attributes }) => { return attributes[objectIdFieldName] }) return { objectIdFieldName, objectIds } } module.exports = query |