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

GeoGirafe is a flexible application to build online geoportals.

// SPDX-License-Identifier: Apache-2.0
import OgcApiFeaturesClient from './ogcapifeaturesclient.js';
export default class OgcApiFeaturesClientGmf extends OgcApiFeaturesClient {
    constructor(serverConfig, opt, context) {
        super(serverConfig, opt, context);
    }
    /**
     * 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()).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 or id as primary key
        ['fid', 'id'].forEach((key) => {
            if (properties[key]) {
                properties[key]['x-ogc-role'] = 'id';
            }
        });
        return {
            properties: properties
        };
    }
}