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var cmn=require("../$common.js"),
fs=require("fs"),
child_process=require("child_process"),
multer=require("multer"),
mkdirp=require("mkdirp");
var moddir;
var uniqid=(function(){
var id=0;
return function uniqid(){return id++;};
})();
function clearDirectory(path){
var entries=fs.readdirSync(path);
for(var i=0;i<entries.length;i++){
fs.unlinkSync(path+"/"+entries[i]);
}
}
function cleanUpDir(path){
var nowtime=new Date().getTime();
var entries=fs.readdirSync(path);
for(var i=0;i<entries.length;i++){
var stat=fs.statSync(path+"/"+entries[i]);
if(stat.mtime-nowtime>30*60*1000){
fs.unlink(path+"/"+entries[i],function(err){});
}
}
}
// Clear files older than 30 mins every 30 mins
setInterval(function(){
process.nextTick(function(){cleanUpDir(moddir+"/uploads");});
process.nextTick(function(){cleanUpDir(moddir+"/converted");});
},30*60*1000);
module.exports=function(app,io,_moddir){
moddir=_moddir;
mkdirp.sync(moddir+"/uploads");
mkdirp.sync(moddir+"/converted");
clearDirectory(moddir+"/uploads");
var multerupload=multer({
storage: multer.diskStorage({
destination: function(req,file,cb){
cb(null,moddir+"/uploads/");
},
filename: function(req,file,cb){
cb(null,uniqid()+".pdf");
}
}),
limits: {
files: 1,
fileSize: 100*1024*1024
}
});
app.get("/pdfrotate",function(req,res){
res.sendFile(moddir+"/index.html");
});
app.post("/pdfrotate/upload",multerupload.single("file"),function(req,res){
if(!req.file){
res.sendFile(moddir+"/index.html");
return;
}
var origname=req.file.originalname;
var path=req.file.path;
var rot=req.body.rotgroup+"";
if(rot=="rot0"){
fs.unlink(path,function(err){});
res.redirect("/pdfrotate?err=rot0");
return;
}
var cmd;
switch(rot){
case "rot90": cmd="pdf90"; break;
case "rot180": cmd="pdf180"; break;
case "rot270": cmd="pdf270"; break;
default:
fs.unlink(path,function(err){});
res.redirect("/pdfrotate?err=invrot");
return;
}
var outfile=moddir+"/converted/"+uniqid()+".pdf";
child_process.execFile(cmd,[path,"-o",outfile],function(err,stdout,stderr){
if(err){
console.log(err);
res.redirect("/pdfrotate?err=pdfjamerr");
return;
}
var newname=origname.replace(/\.pdf$/,"_rotated.pdf");
res.download(outfile,newname,function(err){
fs.unlink(path,function(err){});
fs.unlink(outfile,function(err){});
});
});
});
app.get("/pdfrotate/upload",function(req,res){
res.redirect("/pdfrotate");
});
};
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