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node_helper.js
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node_helper.js
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/* Magic Mirror
* Node Helper: MMM-ImagesPhotos
*
* By Rodrigo Ramìrez Norambuena https://rodrigoramirez.com
* MIT Licensed.
*/
var express = require("express");
var NodeHelper = require("node_helper");
var request = require("request");
var url = require("url");
var path = require("path");
var fs = require("fs");
var mime = require("mime-types");
module.exports = NodeHelper.create({
// Override start method.
start: function() {
var self = this;
console.log("Starting node helper for: " + this.name);
this.setConfig();
this.extraRoutes();
},
setConfig: function() {
this.config = {};
this.path_images = path.resolve(global.root_path + "/modules/MMM-ImagesPhotos/uploads");
},
// Override socketNotificationReceived method.
socketNotificationReceived: function(notification, payload) {
},
// create routes for module manager.
// recive request and send response
extraRoutes: function() {
var self = this;
this.expressApp.get("/MMM-ImagesPhotos/photos", function(req, res) {
self.getPhotosImages(req, res);
});
this.expressApp.use("/MMM-ImagesPhotos/photo", express.static(self.path_images));
},
// return photos-images by response in JSON format.
getPhotosImages: function(req, res) {
directoryImages = this.path_images;
var imagesPhotos = this.getImages(this.getFiles(directoryImages)).map(function (img) {
return {url: "/MMM-ImagesPhotos/photo/" + img};
})
res.send(imagesPhotos);
},
// return array with only images
getImages: function(files) {
var images = [];
var enabledTypes = ["image/jpeg", "image/png", "image/gif"];
for (idx in files) {
type = mime.lookup(files[idx]);
if (enabledTypes.indexOf(type) >= 0 && type !== false) {
images.push(files[idx]);
}
}
return images;
},
getFiles: function(path) {
return fs.readdirSync(path).filter(function (file) {
if (! fs.statSync(path + "/" + file).isDirectory() ) {
return file;
}
});
},
});