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- import { FieldType } from './constant';
- import { Point, LineString, Polygon, MultiPoint, MultiLineString, MultiPolygon } from './geo/index';
- export class Util {
- }
- Util.formatResDocumentData = (documents) => {
- return documents.map(document => {
- return Util.formatField(document);
- });
- };
- Util.formatField = document => {
- const keys = Object.keys(document);
- let protoField = {};
- if (Array.isArray(document)) {
- protoField = [];
- }
- keys.forEach(key => {
- const item = document[key];
- const type = Util.whichType(item);
- let realValue;
- switch (type) {
- case FieldType.GeoPoint:
- realValue = new Point(item.coordinates[0], item.coordinates[1]);
- break;
- case FieldType.GeoLineString:
- realValue = new LineString(item.coordinates.map(point => new Point(point[0], point[1])));
- break;
- case FieldType.GeoPolygon:
- realValue = new Polygon(item.coordinates.map(line => new LineString(line.map(([lng, lat]) => new Point(lng, lat)))));
- break;
- case FieldType.GeoMultiPoint:
- realValue = new MultiPoint(item.coordinates.map(point => new Point(point[0], point[1])));
- break;
- case FieldType.GeoMultiLineString:
- realValue = new MultiLineString(item.coordinates.map(line => new LineString(line.map(([lng, lat]) => new Point(lng, lat)))));
- break;
- case FieldType.GeoMultiPolygon:
- realValue = new MultiPolygon(item.coordinates.map(polygon => new Polygon(polygon.map(line => new LineString(line.map(([lng, lat]) => new Point(lng, lat)))))));
- break;
- case FieldType.Date:
- realValue = item;
- break;
- case FieldType.Object:
- case FieldType.Array:
- realValue = Util.formatField(item);
- break;
- case FieldType.ServerDate:
- realValue = new Date(item.$date);
- break;
- default:
- realValue = item;
- }
- if (Array.isArray(protoField)) {
- protoField.push(realValue);
- }
- else {
- protoField[key] = realValue;
- }
- });
- return protoField;
- };
- Util.whichType = (obj) => {
- let type = Object.prototype.toString.call(obj).slice(8, -1);
- if (type === FieldType.Date) {
- return FieldType.Date;
- }
- if (type === FieldType.Object) {
- if (obj.$date) {
- type = FieldType.ServerDate;
- }
- else if (Point.validate(obj)) {
- type = FieldType.GeoPoint;
- }
- else if (LineString.validate(obj)) {
- type = FieldType.GeoLineString;
- }
- else if (Polygon.validate(obj)) {
- type = FieldType.GeoPolygon;
- }
- else if (MultiPoint.validate(obj)) {
- type = FieldType.GeoMultiPoint;
- }
- else if (MultiLineString.validate(obj)) {
- type = FieldType.GeoMultiLineString;
- }
- else if (MultiPolygon.validate(obj)) {
- type = FieldType.GeoMultiPolygon;
- }
- }
- return type;
- };
- Util.generateDocId = () => {
- let chars = 'ABCDEFabcdef0123456789';
- let autoId = '';
- for (let i = 0; i < 24; i++) {
- autoId += chars.charAt(Math.floor(Math.random() * chars.length));
- }
- return autoId;
- };
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