Subj : Re: Synchronet Javascript and reading XML
To   : echicken
From : KenDB3
Date : Sat Jul 30 2016 01:01 am

 > > I notice in the IRC bot code that you can get banned for hitting the web
 > > page too often. 

 > Yes, this is something that I recall hearing about in the past.  I guess you
 > get x number of hits per day.
 >  
 > > Would there be a way to bring in the XML data without an HTTPRequest from
 > > a local file? Say 

 > Sure.  I would do something like this:

 > load('http.js');

 > var url = 'http://www.hamqsl.com/solarxml.php';
 > var file = system.data_dir + 'solardata.xml';
 > var age = 43200; // Seconds

 > // Fetch data via HTTP and write to file specified above
 > function getSolarData() {
 >   var sd = (new HTTPRequest()).Get(url);
 >   var f = new File(file);
 >   f.open('w');
 >   f.write(sd);
 >   f.close();
 > }

 > // Read data from local file and return parsed XML object
 > function readSolarData() {
 >  var f = new File(file);
 >  f.open('r');
 >  var sd = new XML(f.read().replace(/<\?[^?]*\?>/g, ''));
 >  f.close();
 >  return sd;
 > }

 > // Fetch new data if local file timestamp less than file age specified above
 > if (!file_exists(file) || time() - file_utime(file) > 43200) getSolarData();

 > // Read the current data on hand
 > var sd = readSolarData();

 > // Now start printing out that fascinating solar data and your happy/sad sun
 > face

 > It would be worth throwing in some try ... catch blocks somewhere in there,
 > because the HTTP load or XML parsing portions may fail for a variety of
 > reasons.

 > You could also move the data-fetching part into a separate script and run it
 > on a schedule once, twice, or however many times per day that you want, then
 > the user facing script just loads whatever data is in the file that the
 > other script writes to.



Thanks again EC, it is much appreciated. :-)

~KenDB3

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