I did a pretty code:
var Square = function(id,order,color,state) {
this.id = id;
this.order = order;
this.color = color;
this.state = state;
this.connected = false;
MongoClient.connect(config.mongoURL, (function(err, db) {
this.connected = true;
this.db = db; //db
this.collection = db.collection("squares"); //collection
}).bind(this));
}
Square.prototype.connectDB = function(callback){
(function(that){
MongoClient.connect(config.mongoURL, function(err, db) {
console.log("connected");
this.connected = true;
this.db = db; //db
this.collection = db.collection("squares"); //collection
//callback(that);
callback();
});
})(this);
}
Square.prototype.test = function(){
console.log("test");
}
//export data
Square.prototype.exportData = function(){
var rtArr = {
id:this.id,
order:this.order,
color:this.color,
state:this.state
};
return rtArr;
}
//save datas to mongo
Square.prototype.saveData = function () {
if (this.collection){
*var doc = this.exportData();*
this.collection.insert(doc,function() {
console.log('inserted');
});
}else{
this.connectDB(this.saveData);
}
}
var square = new Square(6,1,'red',1);
square.saveData();
When I run this code, that display:
throw err
^
TypeError: Object #<Object> has no method 'exportData'
Why it can not understand *var doc = this.exportData(); ?*
*
*
Someone can help me ? Thank you very much
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