Function getNodeAjaxOptions

web/pgadmin/browser/static/js/node_ajax.js:83–136

(url, nodeObj, treeNodeInfo, itemNodeData, params={}, transform=(data)=>data)

 * The options are cached for performance reasons.
 */
export function getNodeAjaxOptions(url, nodeObj, treeNodeInfo, itemNodeData, params={}, transform=(data)=>data) {
  let otherParams = {
    urlWithId: false,
    jumpAfterNode: null,
    useCache: true,
    customGenerateUrl: null,
    ...params
  };
  return new Promise((resolve, reject)=>{
    const api = getApiInstance();
    let fullUrl = '';
    if(url) {
      if(otherParams.customGenerateUrl) {
        fullUrl = otherParams.customGenerateUrl.call(
          nodeObj, treeNodeInfo, url, itemNodeData, otherParams.urlWithId, otherParams.jumpAfterNode
        );
      } else {
        fullUrl = generateNodeUrl.call(
          nodeObj, treeNodeInfo, url, itemNodeData, otherParams.urlWithId, otherParams.jumpAfterNode
        );
      }
    }

    if (url) {
      let cacheNode = pgAdmin.Browser.Nodes[otherParams.cacheNode] || nodeObj;
      let cacheLevel = otherParams.cacheLevel || cacheNode.cache_level(treeNodeInfo, otherParams.urlWithId);
      /*
      * We needs to check, if we have already cached data for this url.
      * If yes - use that, and do not bother about fetching it again,
      * and use it.
      */
      let data = cacheNode.cache(nodeObj.type + '#' + url, treeNodeInfo, cacheLevel);

      if (_.isUndefined(data) || _.isNull(data)) {
        api.get(fullUrl, {
          params: otherParams.urlParams,
        }).then((res)=>{
          data = res.data;
          if(res.data.data) {
            data = res.data.data;
          }
          otherParams.useCache && cacheNode.cache(nodeObj.type + '#' + url, treeNodeInfo, cacheLevel, data);
          resolve(transform(data));
        }).catch((err)=>{
          reject(err instanceof Error ? err : Error('Something went wrong'));
        });
      } else {
        // To fetch only options from cache, we do not need time from 'at'
        // attribute but only options.
        resolve(transform(data.data || []));
      }
    }
  });
}

/* Get the nodes list based on current selected node id */
export function getNodeListById(nodeObj, treeNodeInfo, itemNodeData, params={}, filter=()=>true, postTransform=(res)=>res) {