ds-front-test/js/ds.js

126 lines
3.1 KiB
JavaScript

'use strict';
export const BASE_URL = 'http://dataspace.ispc.cnr.it';
const RES_ENDPOINT = '/resources/';
/**
* @todo Report shapes??
*/
/*
export const OBJECT_ORDER = {
"Object Type" : null,
"Object ID" : null,
"Object Chronology" : null,
"Object Era" : null,
};
export const SAMPLE_ORDER = {
};
*/
/**
* @todo Query report links to determine resource type?
* @param {int} max Max number of resources to list
* (randomly selected)
*
* @returns {Array} An array with selected resource links
*/
export async function fetchResourceList(max = 20)
{
// TODO Errors!!
const list = await fetch(`${BASE_URL}${RES_ENDPOINT}`)
.then(res => res.json())
.catch();
// Arbitrary slice...
return list['ldp:contains'].slice(100, max + 100);
}
/**
* Create links list
* @param {string[]} links The fetched resource links
* @param {string} id The ID of the UL element
* @param {string} replace The string that should replace loalhost...
*
* @return {void}
*/
export function createLinks(links, id, replace)
{
for (const link of links) {
const item = document.createElement('li');
item.innerHTML =
`<a href="${link.replace('http://localhost:8000/resources/', replace)}">
${link.substring(link.lastIndexOf('/') + 1)}
</a>`;
document.querySelector(`#${id}`).appendChild(item);
}
}
/**
* Fetch JSON report...
* @param {string} uuid The resource's UUID in Arches
* @param {string} format Either 'json' or 'arches-json'
*
* @return {object}
*/
export async function fetchReport(uuid, format='json')
{
// TODO Errors!!
const jsonRep =
await fetch(`${BASE_URL}${RES_ENDPOINT}${uuid}?format=${format}&indent=2`)
.then(res => res.json())
.catch();
return jsonRep;
}
export function printReport() {
document.querySelector('#print').addEventListener('click', () => {
window.print();
});
}
/**
* @todo Use TS to define object shape
* @param {object} resource The resource object (Arches JSON!)
*
* @return {string[]}
*/
export function getImageSrc(resource) {
// TODO hardcoded...
const filesUri = `${BASE_URL}/files/uploadedfiles/`;
//let key = Object.keys(resource.tiles[11].data)[0];
// TODO don't filter this array, populate another one
let arr = resource.tiles
.filter(tile => {
let key = Object.keys(tile.data)[0]
return Array.isArray(tile.data[key]);
}).filter(o => {
let key = Object.keys(o.data)[0]
return Object.keys(o.data[key][0]).includes('file_id')
});
let fileNames = [],
dataObjects = [];
arr.forEach(d => dataObjects.push(d.data));
dataObjects.forEach(e => {
e[Object.keys(e)[0]].forEach(o => {
fileNames.push(filesUri + o.name)
});
});
return fileNames;
}
/**
* Fetch file blob (CORS...)
* @todo
*
* @param {string} fileUri The file's URI in Arches
*
* @return {object}
*/
//export async function fetchFileBlob(fileUri);
/**
* Query report links to determine
* resource instance type...
*/