@ngageoint/mage.arcgis.service
Version:
A mage service plugin that synchronizes mage observations to a configured ArcGIS feature layer.
91 lines • 5.27 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.FeatureQuerier = void 0;
const arcgis_rest_feature_service_1 = require("@esri/arcgis-rest-feature-service");
/**
* Performs various queries on observations for a specific arc feature layer.
*/
class FeatureQuerier {
/**
* Creates a new instance of FeatureQuerier.
* @param {LayerInfo} layerInfo - Information about the ArcGIS feature layer.
* @param {ArcGISPluginConfig} config - Configuration settings for the ArcGIS plugin.
* @param {ArcGISIdentityManager} identityManager - ArcGIS identity manager for authentication.
* @param {Console} console - Console instance for logging.
*/
constructor(layerInfo, config, identityManager, console) {
this._identityManager = identityManager;
this._url = new URL(layerInfo.url);
this._console = console;
this._config = config;
}
/**
* Queries for an observation by id.
* @param {string} observationId - The id of the observation to query for on the arc feature layer.
* @param {function(QueryObjectResult): void} response - Callback function called with the query result.
* @param {string[]} [fields] - Optional array of field names to query. If not provided, all fields are queried.
* @param {boolean} [geometry] - Optional flag to include geometry in the query. Defaults to true.
*/
queryObservation(observationId, response, fields, geometry) {
return __awaiter(this, void 0, void 0, function* () {
const where = !this._config.eventIdField
? `${this._config.observationIdField} LIKE '${observationId}${this._config.idSeparator}%'`
: `${this._config.observationIdField} = '${observationId}'`;
this._console.info('ArcGIS query observation: ' + this._url.toString() + where);
yield (0, arcgis_rest_feature_service_1.queryFeatures)({
url: this._url.toString(),
authentication: this._identityManager,
where,
returnGeometry: geometry,
outFields: (fields === null || fields === void 0 ? void 0 : fields.length) ? fields : '*'
}).then((queryResponse) => response(queryResponse)).catch((error) => this._console.error('Error in FeatureQuerier.queryObservation :: ' + error));
});
}
/**
* Queries all observations.
* @param {function(QueryObjectResult): void} response - Callback function called with the query result.
* @param {string[]} [fields] - Optional array of field names to query. If not provided, all fields are queried.
* @param {boolean} [geometry] - Optional flag to include geometry in the query. Defaults to true.
*/
queryObservations(response, fields, geometry) {
return __awaiter(this, void 0, void 0, function* () {
this._console.info('ArcGIS query observation: ' + this._url.toString());
yield (0, arcgis_rest_feature_service_1.queryFeatures)({
url: this._url.toString(),
authentication: this._identityManager,
where: `${this._config.observationIdField} IS NOT NULL`,
returnGeometry: geometry,
outFields: (fields === null || fields === void 0 ? void 0 : fields.length) ? fields : '*'
}).then((queryResponse) => response(queryResponse)).catch((error) => this._console.error('Error in FeatureQuerier.queryObservations :: ' + error));
});
}
/**
* Queries for distinct non-null values in a specified field.
* @param {function(QueryObjectResult): void} response - Callback function called with the query result.
* @param {string} field - The field name to query for distinct values.
*/
queryDistinct(response, field) {
return __awaiter(this, void 0, void 0, function* () {
this._console.info('ArcGIS query observation: ' + this._url.toString());
yield (0, arcgis_rest_feature_service_1.queryFeatures)({
url: this._url.toString(),
authentication: this._identityManager,
where: `${field} IS NOT NULL`,
returnGeometry: false,
outFields: field ? [field] : '*',
returnDistinctValues: true
}).then((queryResponse) => response(queryResponse)).catch((error) => this._console.error('Error in FeatureQuerier.queryDistinct :: ' + error));
});
}
}
exports.FeatureQuerier = FeatureQuerier;
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