open-vault/ui/app/macros/lazy-capabilities.js

53 lines
1.5 KiB
JavaScript

// usage:
//
// import lazyCapabilities, { apiPath } from 'vault/macros/lazy-capabilities';
//
// export default DS.Model.extend({
// //pass the template string as the first arg, and be sure to use '' around the
// //parameters that get interpolated in the string - that's how the template function
// //knows where to put each value
// zeroAddressPath: lazyCapabilities(apiPath`${'id'}/config/zeroaddress`, 'id'),
//
// });
//
import { maybeQueryRecord } from 'vault/macros/maybe-query-record';
export function apiPath(strings, ...keys) {
return function (data) {
let dict = data || {};
let result = [strings[0]];
keys.forEach((key, i) => {
result.push(dict[key], strings[i + 1]);
});
return result.join('');
};
}
export default function () {
let [templateFn, ...keys] = arguments;
return maybeQueryRecord(
'capabilities',
(context) => {
// pull all context attrs
let contextObject = context.getProperties(...keys);
// remove empty ones
let nonEmptyContexts = Object.keys(contextObject).reduce((ret, key) => {
if (contextObject[key] != null) {
ret[key] = contextObject[key];
}
return ret;
}, {});
// if all of them aren't present, cancel the fetch
if (Object.keys(nonEmptyContexts).length !== keys.length) {
return;
}
// otherwise proceed with the capabilities check
return {
id: templateFn(nonEmptyContexts),
};
},
...keys
);
}