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core.js
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core.js
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var sitemap = require('./sitemap.json');
var fs = require('fs');
var formidable = require('formidable');
var path = require('path');
var findit = require('findit');
var im = require('imagemagick');
function deleteFolderRecursive(path) {
var files = [];
if( fs.existsSync(path) ) {
files = fs.readdirSync(path);
files.forEach(function(file,index){
var curPath = path + "/" + file;
if(fs.lstatSync(curPath).isDirectory()) { // recurse
deleteFolderRecursive(curPath);
} else { // delete file
fs.unlinkSync(curPath);
}
});
fs.rmdirSync(path);
}
}
module.exports = {
titleFilter : function(el){ if (el != 'subtitle' && el != 'order' && el != 'img') return el; },
saveSitemap : function(next){
// we save the modified sitemap
if (JSON.stringify(sitemap)!=''){
fs.writeFile('sitemap.json', JSON.stringify(sitemap), function(err) {
if(err) {
next(err);
} else {
//sitemap=require('./sitemap.json');
next(null);
}
});
}
},
getPath : function(name, next){
var finder = findit(__dirname + "/public/img/");
finder.on('directory', function (dir, stat, stop) {
if(path.basename(dir) == name ){
stop();
next(dir);
}
});
},
sendEmailFromForm : function(data,res){
if (data.email && data.message){
var message = ((data.name)?data.name+'<br/>':'')
+ ((data.phone)?data.phone+'<br/>':'')
+ data.email+'<br/>'
+ ((data.address)?data.address+'<br/>':'')
+ '<br/>'+data.message,
obj = ((data.name)?data.name:'Someone')+" sent a message from your website";
var mail = require("nodemailer").mail;
mail({
from: "contact@jdmontero.com", // sender address
to: "g.yvetot@gmail.com", // list of receivers
subject: obj, // Subject line
html: message // html body
});
res.redirect('/contact?mail=sent');
}
},
getNavData : function(){
if(sitemap && (sitemap['personal'] || sitemap['Personal'])){
var arr =[];
if (sitemap['personal'])
arr= Object.keys(sitemap['personal']);
else if (sitemap['Personal'])
arr= Object.keys(sitemap['Personal']);
arr= arr.filter(function(el){
return (el!='path' && el!='img' && el!='subtitle' && el!='order');
});
return arr;
}
},
breadthSearch : function(tree,name){
var arr=[], returnValue=null,found=false;
arr.push(tree);
while(arr.length >0 && found==false)
{
var node = arr[0];
arr.shift();
Object.keys(node).forEach(function(key){
if(key==name)
{
found=true;
//workaround here because does not to return the value directly
returnValue= node[key];
}
else if (typeof node[key] == 'object')
arr.push(node[key]);
});
}
if (found)
return returnValue;
else
return 0;
},
getImages : function(folderName,next){
var obj=null;
if(folderName=='' || folderName=='/' || folderName =='root'){
obj = sitemap;
}
else {
obj= this.breadthSearch(sitemap,folderName);
}
if(obj)
next(null,obj);
else
next("Cannot find "+folderName,null);
},
// kind of breadth search algorithm function
getParentFolder : function (name,next){
if(name !='root')
name = name.slice(name.lastIndexOf('/')+1);
var arr=[], returnValue=null, found=false, parentName='root';
var tree = sitemap;
arr.push(tree);
var retArr={};
if (name in tree){
retArr.title= 'Your Website';
retArr.tree = tree;
}
else{
while(arr.length >0 && found==false)
{
var node = arr[0];
arr.shift();
if( (typeof node == "object") && (node !== null) )
Object.keys(node).forEach(function(key){
if((key!='subtitle' && key!='order' && key!='img' && key!='path') &&(name in node[key]))
{
found=true;
retArr.title=key;
//workaround here because does not to return the value directly
retArr.tree= node[key];
}
else{
arr.push(node[key]);
}
});
}
}
next(null,retArr);
},
getContentFolder : function(name, next){
var obj ={};
if (name=='' || name == 'root')
{
obj.title = 'Your Website';
obj.tree = sitemap
}
else
{
obj.title = name.slice(name.lastIndexOf('/')+1);
obj.tree = this.breadthSearch(sitemap,obj.title);
}
if (Object.keys(obj).length >0)
{
next(null,obj);
}
},
picturesPost : function(req, next){
var form = new formidable.IncomingForm(), files= [], fields= {};
var core = this;
form
.on('field', function(field, value) { fields[field] = value; })
.on('file', function(field, file) { files.push(file); })
.on('end', function() {
var folder = sitemap;
if (!fields.path) // if the path is not set, we need to specify the root (img folder) and the foler is the sitemap
fields.path= 'img';
else // else we have to get the information of the folder which contains the subfolder
folder = core.breadthSearch(sitemap, fields.path)
core.getPath(fields.path,function(dir){
//upload of new picture(s)
if(files.length>0 && files[0].name)
{
var pix =[];
for (var i=0 ; i<files.length; i++){
var obj={};
obj['subtitle'] = fields.subtitle; obj['order'] = fields.order;
obj['name'] = fields.name; obj.fileName='w_'+files[i].name;
// move from the temp folder to the appropriate folder
fs.renameSync(files[i].path, dir+'/o_'+files[i].name);
// creating the web-optimized image
im.resize({
srcPath: dir+'/o_'+files[i].name, dstPath: dir+'/w_'+files[i].name, width: 1200
}, function(err, stdout, stderr){ if (err) throw err; });
// creating the thumbnail version
im.resize({
srcPath: dir+'/o_'+files[i].name, dstPath: dir+'/t_'+files[i].name, width: 200
}, function(err, stdout, stderr){ if (err) throw err; });
pix.push(obj)
}// for
// add the array of pictures and save the sitemap
if(!Array.isArray(folder.img))
folder.img = [];
folder.img = folder.img.concat(pix);
}
//update fields (there is no new file)rs
else{
var obj={};
obj['subtitle'] = fields.subtitle;
obj['order'] = fields.order;
obj['name'] = fields.name;
obj['fileName']= 'w_'+fields.fileName;
// if the fileName is updated rename the pictures
if (fields.fileName!=fields.oldFileName)
{
fs.renameSync(dir+'/w_'+fields.oldFileName, dir+'/w_'+fields.fileName);
fs.renameSync(dir+'/o_'+fields.oldFileName, dir+'/o_'+fields.fileName);
fs.renameSync(dir+'/t_'+fields.oldFileName, dir+'/t_'+fields.fileName);
}
//update the sitemap
var index=-1;
for(var i=0;i<folder.img.length ; i++){
if(folder.img[i].fileName==fields.oldFileName)
index=i;
}
folder.img.splice(index,1);
folder.img.push(obj);
}
folder.img.sort(function(a,b) { return parseFloat(a.order) - parseFloat(b.order) } );
core.saveSitemap(next);
});// get path
}); // on ends
form.parse(req);
},
foldersPost : function(req,next){
var form = new formidable.IncomingForm();
var core = this;
form.parse(req, function(err, fields, files) {
// if we perform a modification about a folder
if (Object.keys(fields).length >0 && fields.name)
{
var path='',obj={};
if(fields.path){
path = fields.path;
obj = core.breadthSearch(sitemap,path);
}
else {
obj=sitemap;
path= 'img';
}
// in that case, we are modifying a folder because we have an old name
if(fields.oldName){
// if the name has changed, we need to copy the object and then
if (fields.name != fields.oldName){
//copy the object (we do that for the images)
obj[fields.name] = obj[fields.oldName]
obj[fields.name]['subtitle'] = fields.subtitle;
obj[fields.name]['order'] = fields.order;
obj[fields.name]['path'] = obj[fields.oldName].replace(fields.oldName,fields.name);
//delete the old one
delete obj[fields.oldName]
core.getPath(fields.oldName, function(pathToFolder){
// change folder name
fs.rename(pathToFolder,
pathToFolder.substring(0,pathToFolder.indexOf(fields.oldName))+'/'+ fields.name+'/' ,
function (err) { core.saveSitemap(next); });
});
}
else{
// if the name hasn't changed, we just update the subtitle and order
obj[fields.name]['subtitle'] = fields.subtitle;
obj[fields.name]['order'] = fields.order;
core.saveSitemap(next);
}
}
// in that case, we are creating a folder
else{
core.getPath(path, function(pathToFolder){
fs.mkdirSync(pathToFolder+'/'+fields.name+'/');
if(!err){
obj[fields.name] = {};
obj[fields.name]['img']=[];
obj[fields.name]['subtitle'] = fields.subtitle;
obj[fields.name]['order'] = fields.order;
obj[fields.name]['path']=pathToFolder.substring(pathToFolder.indexOf('/img/')+fields.name+'/');
core.saveSitemap(next);
}
});
}
} // if(Object.keys...
}); // form.parse
},
deletePicture : function(imgFileName,path,res){
var obj = sitemap;
var core = this;
if(path)
obj = core.breadthSearch(sitemap, path)
else path = 'img'
// delete the img from the sitemap
var index=-1;
for (var i=0; i<obj.img.length; i++)
{
if(obj.img[i].fileName == imgFileName)
index=i;
}
obj.img.splice(index,1);
core.saveSitemap(function(){
core.getPath(path,function(dir){
if (dir.slice(-1)!='/')dir+='/'
fs.unlinkSync(dir+imgFileName);
fs.unlinkSync(dir+imgFileName.replace('w_','o_'));
fs.unlinkSync(dir+imgFileName.replace('w_','t_'));
res.send({
retStatus : 200,
redirectTo: '/admin'
});
});
});
},
deleteFolder : function(folderName,res){
var core = this;
this.getParentFolder(folderName,function(err,obj){
if(!err){
delete obj.tree[folderName];
core.saveSitemap(function(err){
if(err) {
res.send({
retStatus : 500,
redirectTo: '/admin',
msg: 'error while trying to save the new sitemap'
});
} else {
core.getPath(folderName, function(path){
//remove the folder
deleteFolderRecursive(path+'/');
res.send({
retStatus : 200,
redirectTo: '/admin'
});
});
}
});
}
});
}
}