ESummary

/***
	Copyright 2009 - MindTouch

	USAGE:

	PubMedESummary(pmid : str)
	Retrieve summaries for publications and articles using PubMed eSummary service.

	PARAMETERS:

	pmid : str
	PubMed IDs for publications/articles to retrieve, separated by commas.

	format : str
	(optional, one of "reference", "brief", "user"; default: "reference") display format for result
	
	style: str
	(optional, "single" or "list", default: "list")


***/

// read parameter
var pmid = $0 ?? $pmid;
var format = $1 ?? $format;
var style = $2 ?? $style;

// retrieve results from PubMed
var esummary = 'http://eutils.ncbi.nlm.nih.gov/entrez/eutils/esummary.fcgi?db=pubmed&retmode=xml&tool=topsan';
var result = web.xml(esummary & { id: pmid });

// print all found summaries
var docs = result['DocSum'];

// take display if specified
let style = style ?? "list";
if (format == "user") {
	// special case for user pages
	let style = "single";
}

if (#docs > 0) {
	switch(style) {
	case "single": 

	    // only one summary found
	    template('PubMed/Reference', [docs, format]);
	default: 

	    // iterate over all found summaries and alternate the background color
	    <ol>
		foreach(var doc in docs) {
		    <li class=('row-' .. (__count % 2) .. ' pubmeditem')> template('PubMed/Reference', [doc, format]) </li>
		}
	    </ol>
	}
} else {

    // no summary found 
    <em> '(No Results)'; </em>;
}