terriajs
Version:
Geospatial data visualization platform.
61 lines • 2.64 kB
JavaScript
import i18next from "i18next";
import isDefined from "../../Core/isDefined";
import TerriaError from "../../Core/TerriaError";
import ReferenceMixin from "../../ModelMixins/ReferenceMixin";
import CommonStrata from "../Definition/CommonStrata";
import upsertModelFromJson from "../Definition/upsertModelFromJson";
import HasLocalData from "../HasLocalData";
import CatalogMemberFactory from "./CatalogMemberFactory";
import createUrlReferenceFromUrl from "./CatalogReferences/createUrlReferenceFromUrl";
export default function createCatalogItemFromFileOrUrl(terria, fileOrUrl, dataType) {
dataType = isDefined(dataType) ? dataType : "auto";
let isUrl, name;
if (typeof fileOrUrl === "string") {
name = fileOrUrl;
isUrl = true;
}
else {
name = fileOrUrl.name;
isUrl = false;
}
if (dataType === "auto") {
return createUrlReferenceFromUrl(name, terria, isUrl).then((newItem) => {
if (!isDefined(newItem)) {
terria.raiseErrorToUser(new TerriaError({
title: i18next.t("models.catalog.unsupportedFileTypeTitle"),
message: i18next.t("models.catalog.unsupportedFileTypeMessage", {
appName: terria.appName,
link: '<a href="https://github.com/TerriaJS/nationalmap/wiki/csv-geo-au">csv-geo-au format</a>'
})
}));
return undefined;
}
// It's a file or service we support directly
// In some cases (web services), the item will already have been loaded by this point.
return loadItem(newItem, fileOrUrl);
});
}
else {
// User has provided a type, so we go with that.
return loadItem(createCatalogMember(terria, { type: dataType, name }), fileOrUrl);
}
}
function createCatalogMember(terria, json) {
return upsertModelFromJson(CatalogMemberFactory, terria, "", CommonStrata.definition, json, {}).throwIfUndefined({
message: `Failed to create catalog member from JSON: ${json.name}`
});
}
async function loadItem(newCatalogItem, fileOrUrl) {
if (ReferenceMixin.isMixedInto(newCatalogItem) &&
newCatalogItem.target !== undefined) {
return loadItem(newCatalogItem.target, fileOrUrl);
}
if (typeof fileOrUrl === "string") {
newCatalogItem.setTrait(CommonStrata.user, "url", fileOrUrl);
}
else if (HasLocalData.is(newCatalogItem)) {
newCatalogItem.setFileInput(fileOrUrl);
}
return newCatalogItem;
}
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