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import Logger from "../../../Utils/LoggerByDefault";
import _ from "../../../Utils/MessagesResources";
import ProcessIsoCurveParam from "./model/ProcessIsoCurveParam";
/**
* @classdesc
* Classe de gestion des requêtes sur le service de calcul d'isoschrone/isodistance.
* Les requêtes peuvent être en mode GET ou POST,
* et le format de sorti est en JSON.
*
* @constructor
* @alias Gp.Services.ProcessIsoCurve.Request.ProcessIsoCurveRequest
* @param {Object} options - options
*
* @example
* var options = {
* httpMethod : 'GET', // GET|POST
* // spécifique au service
* position : {
* x : 2.3242664298058053,
* y : 48.86118017324745
* },
* graph : "car",
* method : 'time',
* time : 1000, //distance : 200
* reverse : false,
* srs : 'EPSG:4326'
* };
*
* try {
*
* var oIsoCurve = new ProcessIsoCurveRequest (options);
* if (!oIsoCurve.processRequestString ()) {
* // error
* }
*
* var request = oIsoCurve.requestString;
*
* } catch (e) {
* // error
* }
* @private
*/
function ProcessIsoCurveRequest (options) {
this.logger = Logger.getLogger("ProcessIsoCurveRequest");
this.logger.trace("[Constructeur ProcessIsoCurveRequest ()]");
Iif (!(this instanceof ProcessIsoCurveRequest)) {
throw new TypeError("ProcessIsoCurveRequest constructor cannot be called as a function.");
}
// existance des options
Iif (!options) {
throw new Error(_.getMessage("PARAM_EMPTY", "options"));
}
/**
* Liste des options
*/
this.settings = options;
/**
* Mode HTPP.
* Par defaut, "GET".
* @type {String}
*/
this.mode = this.settings.httpMethod || "GET";
}
ProcessIsoCurveRequest.prototype = {
/**
* @lends module:ProcessIsoCurveRequest#
*/
/**
* Requête
* @type {String}
*/
requestString : null,
/**
* Constructeur (alias)
*/
constructor : ProcessIsoCurveRequest,
/**
* Construction de la requête.
*
* @example
* // GET out :
* // (http://wxs.ign.fr/KEY/isochrone?)
* // resource=&
* // point=&
* // costValue=&
* // costType=&
* // profile=&
* // constraints=&
* // direction=&
* // crs=
*
* // POST out :
* {
* resource: "bduni-idf-pgr",
* point: "2.337306,48.849319",
* costValue: 100,
* costType: "time",
* profile: "car",
* constraints: [{
* constraintType: "banned",
* key: "ways_type",
* operator: "=",
* value: "autoroute"
* }]
* }
*
* @returns {String} request
*/
processRequestString : function () {
var request = "";
var i = 0;
switch (this.mode) {
case "GET":
this.logger.trace("Process GET Request");
// Mapping des options avec le service de l'API REST
var oParams = new ProcessIsoCurveParam(this.settings);
var params = oParams.getParams();
for (i = 0; i < params.length; i++) {
var o = params[i];
if (request) {
request += "&";
}
request += o.k + "=" + o.v;
}
break;
case "POST":
this.logger.trace("Process POST Request");
// creation du JSON
var postRequest = {};
postRequest.resource = this.settings.resource;
postRequest.point = this.settings.position.x + "," + this.settings.position.y;
Eif (this.settings.method === "distance") {
postRequest.costType = "distance";
postRequest.costValue = this.settings.distance;
} else {
postRequest.costType = "time";
postRequest.costValue = this.settings.time;
}
postRequest.profile = this.settings.graph;
Eif (this.settings.reverse) {
postRequest.direction = "arrival";
} else {
postRequest.direction = "departure";
}
postRequest.constraints = this.settings.constraints;
postRequest.distanceUnit = this.settings.distanceUnit;
postRequest.timeUnit = this.settings.timeUnit;
postRequest.crs = this.settings.srs;
// conversion en chaîne de caractères
request = JSON.stringify(postRequest);
break;
default:
this.logger.error("No other HTTP method supported by the service !");
}
this.logger.trace(request);
this.requestString = request;
return this.requestString;
}
};
export default ProcessIsoCurveRequest;
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