@geogirafe/lib-geoportal/tools/ogcapi/ogcapifeaturesclientgmf.js

GeoGirafe is a flexible application to build online geoportals.

import OgcApiFeaturesClient from './ogcapifeaturesclient';
export default class OgcApiFeaturesClientGmf extends OgcApiFeaturesClient {
    constructor(serverConfig) {
        super(serverConfig);
    }
    /**
     * POC overwrite: The demo server does not support schema requests. We therefore create a very simple schema based on
     * the first item of the collection.
     */
    async getSchema(collectionId) {
        const items = await this.getItems(collectionId, undefined, undefined, 1);
        const item = items[0];
        const properties = Object.fromEntries(Object.entries(item.getProperties())
            .filter(([key, _value]) => ['fid', 'name', 'type'].includes(key))
            .map(([key, value]) => [key, { type: typeof value }]));
        // Add geometry information
        properties['geometry'] = {
            'format': `geometry-${item.getGeometry().getType().toLowerCase()}`,
            'x-ogc-role': 'primary-geometry'
        };
        // mark fid as primary key
        properties['fid']['x-ogc-role'] = 'id';
        return {
            properties: properties
        };
    }
    getFetchOptions(method = 'GET', crsIdentifier) {
        const fetchOptions = super.getFetchOptions(method, crsIdentifier);
        fetchOptions.mode = 'cors';
        return fetchOptions;
    }
}