basic 'site page', model and controller for FindById creation

model/Site.js

@@ -0,0 +1,27 @@
+var con = require('../database/db');
+
+var Site = function(data){
+  this.id = data.id;
+  this.category = data.category;
+  this.in_danger = data.in_danger;
+  this.date_inscribed = data.date_inscribed;
+  this.unesco_url = data.unesco_url;
+  this.latitude = data.latitude;
+  this.longitude = data.longitude;
+  this.description = data.description;
+  this.site = data.site;
+  this.unesco_unique = data.unesco_unique;
+};
+
+// Finding the site by ID.
+Site.findById = function(id, callback){
+  var sql = "SELECT * FROM sites WHERE id=? limit 1";
+
+  con.query(sql, id, function(err, result){
+    if (err) return callback(err);
+    console.log("Site.findById: " + result[0].site + " retrieved!");
+    callback(err, new Site(result[0]));
+  });
+};
+
+module.exports = Site;