kepler.gl.geoiq/src/widgets/function-widget/function-widget.js

kepler.gl is a webgl based application to visualize large scale location data in the browser

// Copyright (c) 2023 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

import Widget from '../base-widget';
import FunctionWidgetIcon from './function-widget-icon';
import geoViewport from '@mapbox/geo-viewport';
import WebMercatorViewport from 'viewport-mercator-project';
import axios from 'axios';
import {ON_PREMESIS_URL} from 'constants/default-settings';

export default class FunctionWidget extends Widget {
  constructor(props) {
    super(props);
  }
  get type() {
    return 'Function';
  }
  get isAggregated() {
    return false;
  }
  get widgetIcon() {
    return FunctionWidgetIcon;
  }
  get widgetAggregatedData() {
    return null;
  }

  calculateAggregationData(
    newWidget,
    filters,
    datasets,
    mapState,
    auth,
    project
  ) {
    const {dataId, aggregationType, bounds} = newWidget.config;
    let cLL; let cLR; let cUL; let cUR;
    const fieldName = newWidget.config.fieldName;
    var {fields, indexName} = datasets[dataId];
    const fieldIdx = fields.findIndex(f => f.name === fieldName);
    const {uid} = auth;
    const {isEdit} = project;
    let boundingBox; let boundingPolygon;

    if (mapState && bounds) {
      const {
        longitude,
        latitude,
        height,
        width,
        zoom,
        pitch,
        bearing
      } = mapState;

      boundingBox = geoViewport.bounds([longitude, latitude], zoom, [
        width,
        height
      ]);

      const viewport = new WebMercatorViewport({
        width,
        height,
        longitude,
        latitude,
        zoom,
        pitch,
        bearing
      });
      cUL = viewport.unproject([0, 0]);
      cUR = viewport.unproject([width, 0]);
      cLR = viewport.unproject([width, height]);
      cLL = viewport.unproject([0, height]);

      boundingPolygon = {
        type: 'Polygon',
        coordinates: [[cUL, cUR, cLR, cLL, cUL]]
      };
    }
    // fieldType
    // numeric
    // string

    var filter = filters.filter(f => f.dataId.includes(dataId));
    const apiCallData = {
      aggregationType,
      filters: JSON.stringify(filter),
      viewport: JSON.stringify(boundingPolygon),
      fieldName,
      dynamic: Boolean(bounds),
      userId: uid,
      indexName,
      fieldType: fieldName
        ? fields[fieldIdx].type === 'string'
          ? 'string'
          : 'numeric'
        : null,
      permissionType: isEdit
    };

    const config = {
      headers: {
        'Content-Type': 'application/json'
      }
    };
    const response = axios
      .post(
        `${ON_PREMESIS_URL  }/geoiqutilities/widget/v1.0/fetch`,
        apiCallData,
        config
      )
      .then(result => {
        // newWidget.config.aggregatedData = result.data.aggregatedData[0];
        // newWidget.config.isCalculating = false;
        // this.updateWidgetConfig({
        //   aggregatedData: result.data.aggregatedData[0],
        //   isCalculating: false
        // });
        return result.data.aggregatedData[0];
      });

    return response;
  }
}