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server_functions.js
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server_functions.js
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/*
----------------------------------------------------------------------
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Copyright 2018 Dr.Kyle Goslin, Dr. Markus Hofmann
Institute of Technology Blanchardstown
----------------------------------------------------------------------
*/
var fs = require('fs');
var url = require('url');
// These are hard coded for the moment
// will change in the future.
var mgRoot = 'C:\\Users\\Kyle\\Desktop\\modugraph-ide\\';
var userPath = mgRoot + 'user\\';
var tempPath = mgRoot+ 'tmp\\';
//
// File uploader window.
// This is used for all file types
exports.uploaderWindow = function () {
return `
<html>
<body>
<form ref='uploadForm'
id='uploadForm'
target="_blank"
action='http://localhost:3000/upload'
method='post'
encType="multipart/form-data">
<input type="file" name="sampleFile" />
<input type='submit' value='Upload!' />
</form>
</body>
</html>
`;
};
//
// Function used for saving specific configuration
// variables to the user's config file in the
// /user folder
exports.saveConfig = function(request, result){
var varname_val = request.param('varname');
var option_val = request.param('option');
// This currently just writes the first line, which is the file to load from the operator
// this has to be improved to include other variables on other lines in the future.
fs.writeFile(userPath+'\\settings\\config.cfg', 'user/'+option_val, function (err) {
if (err) throw err;
console.log('Saved!');
});
};
// -------------------------------------------------------
//
// Read the contents of a file by name.
// -------------------------------------------------------
exports.readFileContents = function(request, result){
var filename = request.param('file');
var contents = fs.readFileSync(userPath+filename).toString();
return contents;
};
//
// Function for pulling in the contents of the raw output file for viewing.
//
exports.readOutput = function(request, result){
var contents = fs.readFileSync(mgRoot+'\\tmp\\output.txt').toString();
return contents;
};
// --------------------------------------------------------
//
// Run Python engine
//
// --------------------------------------------------------
exports.runEngine = function(request, result){
var flags = request.param('flags');
var configFile = request.param('configfile');
//
// delete the proginal process_log file.
//
var path = tempPath+'process_log.txt';
fs.stat(path, function (err, stats) {
if (err) {
return console.error(err);
}
fs.unlink(path,function(err){
if(err) return console.log(err);
console.log('file old log deleted successfully');
exports.runEngineGo(request, result);
});
});
// Stat the paython engine
//
exports.runEngineGo = function(request, result){
exports.addToLog("Flags--"+flags);
exports.addToLog("Config File--"+configFile);
var child = require('child_process').exec('python.exe pyrunners/engine.py '+flags+' '+configFile)
child.stdout.pipe(process.stdout)
child.on('exit', function() {
console.log("fin");
exports.addToLog("Running Python Engine");
exports.addToLog("------ Finished");
})
//var filename = request.param('file');
//var contents = fs.readFileSync('C:\\Users\\Kyle\\Desktop\\modugraph-ide\\user\\'+filename).toString();
//return contents;
};
};
//
// Get the contents of the log
// and make it web friendly.
exports.getLog = function(){
var contents = fs.readFileSync(tempPath+'\\process_log.txt').toString();
return contents;
};
exports.addToLog = function(tx){
fs.appendFileSync(tempPath+"process_log.txt", tx+"<br>\r\n", function(err) {
if(err) {
return console.log(err);
}
});
};
// TXT
//currently available to work with.
exports.getFilesTXT = function(request, result){
console.log("listing files..type");
var ff = '<br>';
var fs = require('fs'),
files = fs.readdirSync(userPath);
files.forEach(function(file) {
if(file.indexOf(".txt")>0) {
ff = ff + file + '<input type="radio" name="selectedFile" onclick="saveFileSelected()" id="selectedFile" value="'+file+'"><br>';
}
})
ff = ff + '';
return (ff) ;
};
// HTML
//currently available to work with.
exports.getFilesHTML = function(request, result){
console.log("listing files..type");
var ff = '<br>';
var fs = require('fs'),
files = fs.readdirSync(userPath);
files.forEach(function(file) {
if(file.indexOf(".html")>0 || file.indexOf(".html") > 0) {
ff = ff + file + '<input type="radio" name="selectedFile" onclick="saveFileSelected()" id="selectedFile" value="'+file+'"><br>';
}
})
ff = ff + '';
return (ff) ;
};
// CSV
//currently available to work with.
exports.getFilesCSV = function(request, result){
console.log("listing files..type");
var ff = '<br>';
var fs = require('fs'),
files = fs.readdirSync(userPath);
files.forEach(function(file) {
if(file.indexOf(".csv")>0) {
ff = ff + file + '<input type="radio" name="selectedFile" onclick="saveFileSelected()" id="selectedFile" value="'+file+'"><br>';
}
})
ff = ff + '';
return (ff) ;
};