adjusted end points again

server/controller/api/sensor.go

@@ -177,7 +177,21 @@ func HandleUniqueDates(w http.ResponseWriter, r *http.Request, ps httprouter.Par
 	
 	s, err := daily_sensor.GetUniqueSensorDates(location)
 	
-	response := createResponse(s, err)
+	var response string
+
+	if err != nil {
+		log.Println(err)
+		response = "{message : \"Error loading data from database\""
+	} else {
+		js, err := json.MarshalIndent(s, "", "    ")
+
+		if err != nil {
+			log.Println(err)
+			response = "{message : \"Error loading data from database\""
+		} else {
+			response = string(js)
+		}
+	}
 
 	fmt.Fprint(w, response)
 }

server/model/daily_sensor/daily_sensor.go

@@ -203,14 +203,25 @@ func GetAllSensorInfoByMonth(sensor_location string, year int, monthname string)
 //I need to find a better implementation of this
 //MongoDB $addToSet creates an array of objecta
 //this ends up being a different type than the Data struct above
-//it would be nice to make all MongoDB queries load directly into a Data struct 
+//it would be nice to make all MongoDB queries load directly into a Data struct
+/*
 type UniqueDates struct{
 	Dates	  []Data	    `json:"dates" bson:"dates"`
 }
+*/
 
-func GetUniqueSensorDates(sensor_location string) ([]Data, error){
-	d := []Data{}
-	//temp := UniqueDates{};
+type Years struct {
+	Year int		`json:"year", bson:"year"`
+	Months []Month	`json:"months", bson:"months"`
+}
+
+type Month struct {
+	Month int			`json:"month", bson:"month"`
+	MonthName string	`json:"monthname", bson:"monthname"`
+}
+
+func GetUniqueSensorDates(sensor_location string) ([]Years, error){
+	d := []Years{}
 	
 	if db.Mongo.Connected() == true {
 
@@ -220,19 +231,11 @@ func GetUniqueSensorDates(sensor_location string) ([]Data, error){
 		c := session.DB(db.Mongo.Info.Database).C(collection)
 		
 		err := c.Pipe([]bson.M{bson.M{"$match": bson.M{"location": sensor_location}},
-								{"$group": bson.M{"_id": "null", "dates": bson.M{"$addToSet": bson.M{"month": "$month", "monthname": "$monthname", "year": "$year"}}}},
-								{"$unwind": "$dates"},
-								{"$project": bson.M{"_id": 0, "month": "$dates.month", "monthname": "$dates.monthname", "year": "$dates.year"}},
-								{"$sort": bson.M{"year": 1, "month": 1}},
+								bson.M{"$group": bson.M{"_id": "$year", "months": bson.M{"$addToSet": bson.M{"month": "$month", "monthname": "$monthname"}}}},
+								bson.M{"$project": bson.M{"year": "$_id", "months": "$months"}},
 								
 		}).All(&d)
 		
-		//d = temp.Dates;
-		
-		test12, _ := json.MarshalIndent(d, "", "  ")
-		
-		log.Println(string(test12))
-		
 		if err != nil {
 			log.Println(err)
 			return d, nil
@@ -243,4 +246,4 @@ func GetUniqueSensorDates(sensor_location string) ([]Data, error){
 	} else {
 		return d, errors.New("Query failed")
 	}
-}
+}

server/model/raw_sensor/raw_sensor.go

@@ -59,9 +59,10 @@ func (s *Data) StoreData() error {
 
 //handle queries for all sensors page
 type DataStore_AllSensors struct {
-	ID          string    `json:"location" bson:"_id"`
-	Temperature float64   `json:"temperature" bson:"temperature"`
-	Updated     time.Time `json:"updated" bson:"updated"`
+	ID          bson.ObjectId `bson:"_id,omitempty"`
+	Location	string        `json:"location", bson:"location"`
+	Temperature float64 	  `json:"temperature" bson:"temperature"`
+	Updated     time.Time     `json:"updated" bson:"updated"`
 }
 
 //get latest update from each unique sensor
@@ -78,7 +79,9 @@ func GetAllSensors() ([]DataStore_AllSensors, error) {
 
 		err := c.Pipe([]bson.M{{"$group": bson.M{"_id": "$location", "temperature": bson.M{"$last": "$temperature"},
 			"updated": bson.M{"$last": "$updated"}}},
-			bson.M{"$sort": bson.M{"_id": 1}}}).All(&s)
+			bson.M{"$sort": bson.M{"_id": 1}},
+			bson.M{"$project": bson.M{"location": "$_id", "temperature": "$temperature", "updated": "$updated"}},
+		}).All(&s)
 
 		if err != nil {
 			return s, nil