terriajs
Version:
Geospatial data visualization platform.
94 lines • 4.16 kB
JavaScript
import i18next from "i18next";
import defaults from "lodash-es/defaults";
import isDefined from "../../Core/isDefined";
import { isJsonObject, isJsonString, isJsonStringArray } from "../../Core/Json";
import Result from "../../Core/Result";
import TerriaError from "../../Core/TerriaError";
import GroupMixin from "../../ModelMixins/GroupMixin";
import StubCatalogItem from "../Catalog/CatalogItems/StubCatalogItem";
import createStubCatalogItem from "../Catalog/createStubCatalogItem";
import CommonStrata from "./CommonStrata";
import { BaseModel } from "./Model";
import updateModelFromJson from "./updateModelFromJson";
const defaultOptions = {
addModelToTerria: true,
replaceStratum: undefined
};
/**
* Update an existing model or create a new model
* @param factory The factory used to construct a new model if no existing model is found with ID matching `json.id`
* @param terria
* @param parentId
* @param stratumName
* @param json Object representation of the stratum data. `id` must be present to match an existing model to update. If only a `localId` or `name` is present a new model will be created.
* @param options
*/
export default function upsertModelFromJson(factory, terria, parentId, stratumName, json, options = {}) {
if (!isJsonObject(json, false)) {
return Result.error("Failed to upsert model - invalid JSON");
}
const errors = [];
defaults(options, defaultOptions);
let uniqueId = isJsonString(json.id) ? json.id : undefined;
let model;
if (isDefined(uniqueId)) {
model = terria.getModelById(BaseModel, uniqueId);
}
else {
const localId = json.localId || json.name;
if (localId === undefined) {
return Result.error(new TerriaError({
title: i18next.t("models.catalog.idForMatchingErrorTitle"),
message: i18next.t("models.catalog.idForMatchingErrorMessage")
}));
}
const id = (parentId || "") + "/" + localId;
let idIncrement = 1;
uniqueId = id;
model = terria.getModelById(BaseModel, uniqueId);
// Duplicate catalogue items should be given a unique id by incrementing its id
// But if it's a group, leave it as is, so we can later merge all groups with the same id
if (!GroupMixin.isMixedInto(model)) {
while (model !== undefined) {
uniqueId = id + "(" + idIncrement + ")";
idIncrement++;
model = terria.getModelById(BaseModel, uniqueId);
}
}
}
if (model === undefined) {
try {
model = isJsonString(json.type)
? factory.create(json.type, uniqueId, terria)
: undefined;
if (model === undefined) {
errors.push(new TerriaError({
title: i18next.t("models.catalog.unsupportedTypeTitle"),
message: i18next.t("models.catalog.unsupportedTypeMessage", {
type: json.type
})
}));
model = createStubCatalogItem(terria, uniqueId);
const stub = model;
stub.setTrait(CommonStrata.underride, "isExperiencingIssues", true);
stub.setTrait(CommonStrata.override, "name", `${uniqueId} (Stub)`);
}
if (model.type !== StubCatalogItem.type && options.addModelToTerria) {
const shareKeys = isJsonStringArray(json.shareKeys)
? json.shareKeys
: undefined;
model.terria.addModel(model, shareKeys);
}
}
catch (e) {
errors.push(TerriaError.from(e, `Failed to create model`));
}
}
if (model)
updateModelFromJson(model, stratumName, json, options.replaceStratum).catchError((error) => {
errors.push(error);
model.setTrait(CommonStrata.underride, "isExperiencingIssues", true);
});
return new Result(model, TerriaError.combine(errors, `Error upserting model JSON: \`${uniqueId}\``));
}
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