visit model created

model/Visit.js

@@ -0,0 +1,22 @@
+var con = require('../database/db');
+
+var Visit = function(data){
+  this.id = data.id;
+  this.date = data.date;
+  this.img = data.img;
+  this.site_id = data.site_id;
+};
+
+Visit.findBySite = function(id, callback){
+  var sql = "SELECT * FROM visits WHERE site_id=?";
+
+  con.query(sql, id, function(err, result){
+    if (err) return callback(err);
+    // if not site is found.
+    if (result[0] == undefined) callback(404);
+    else {
+      console.log("Visit.findBySite: " + result.length + "visits retrieved!");
+      callback(err, result);
+    }
+  });
+};