@geogirafe/lib-geoportal/models/selectionparam.js

GeoGirafe is a flexible application to build online geoportals.

function sameUrlAndImageTypeForAll(layers) {
    if (layers.length === 0) {
        return [true, true];
    }
    const url = layers[0].ogcServer.url;
    const imageType = layers[0].ogcServer.imageType;
    let sameUrlForAll = true;
    let sameImageTypeForAll = true;
    for (const layer of layers) {
        sameUrlForAll = sameUrlForAll && layer.ogcServer.url === url;
        sameImageTypeForAll = sameImageTypeForAll && layer.ogcServer.imageType === imageType;
    }
    if (!sameUrlForAll) {
        throw new Error('Not all layers of this list have the same server URL.');
    }
    if (!sameImageTypeForAll) {
        throw new Error('Not all layers of this list have the same image type.');
    }
    return [sameUrlForAll, sameImageTypeForAll];
}
/** Selection parameters defined by:
 * - 1 ogc Sever
 * - a list of layers
 * - a selection box OR a WFS query
 */
export default class SelectionParam {
    _ogcServer;
    get ogcServer() {
        return this._ogcServer;
    }
    _layers;
    get layers() {
        return this._layers;
    }
    _oLayer;
    get oLayer() {
        return this._oLayer;
    }
    srid;
    selectionBox;
    selectionQuery;
    constructor(ogcServer, layers, srid, selectionBox, oLayer, selectionQuery) {
        this._ogcServer = ogcServer;
        this._layers = layers;
        this.srid = srid;
        this.selectionBox = selectionBox;
        this._oLayer = oLayer;
        this.selectionQuery = selectionQuery;
        if (!this.selectionBox && !this.selectionQuery) {
            throw new Error('SelectionParam needs either a `selectionBox` or a `selectionQuery` parameter.');
        }
        sameUrlAndImageTypeForAll(this.layers);
    }
    clone(layerFilter = () => true) {
        return new SelectionParam(this._ogcServer, this._layers.filter(layerFilter), this.srid, this.selectionBox, this._oLayer, this.selectionQuery);
    }
}