// Get counter events in a optionally given time range
// Query parameters: start,end
func (c *Context) CounterByCodeEventsHandler(rw web.ResponseWriter, req *web.Request) {
code := parseStringPathParameter(req, "code")
var counter orm.Counter
db.Where(&orm.Counter{Code: code}).First(&counter)
if counter.ID == 0 {
rw.WriteHeader(http.StatusNotFound)
rw.Write([]byte("Counter not found"))
return
}
start, err := c.parseUintQueryParameter(rw, "start")
if err != nil {
return
}
end, err := c.parseUintQueryParameter(rw, "end")
if err != nil {
return
}
var counterEvents []orm.CounterEvent
orm.GetOrderedWindowedQuery(db, "counter_id", counter.ID, start, end).Find(&counterEvents)
lastEvent := orm.NewLastCounterEvent(counter)
if lastEvent.Timestamp > end {
counterEvents = append(counterEvents, lastEvent)
}
marshal(rw, counterEvents)
}
// Get thermometer readings in a optionally given time range
// Query parameters: start,end
func (c *Context) ThermometerByCodeGetReadingsHandler(rw web.ResponseWriter, req *web.Request) {
code := parseStringPathParameter(req, "code")
var thermometer orm.Thermometer
db.Where(&orm.Thermometer{Code: code}).First(&thermometer)
if thermometer.ID == 0 {
rw.WriteHeader(http.StatusNotFound)
rw.Write([]byte("Thermometer not found"))
return
}
start, err := c.parseUintQueryParameter(rw, "start")
if err != nil {
return
}
end, err := c.parseUintQueryParameter(rw, "end")
if err != nil {
return
}
var thermometerReadings []orm.ThermometerReading
orm.GetOrderedWindowedQuery(db, "thermometer_id", thermometer.ID, start, end).Find(&thermometerReadings)
startReading := orm.ThermometerReading{
Reading: thermometerReadings[0].Reading,
Timestamp: start,
ThermometerID: thermometer.ID,
}
endReading := orm.ThermometerReading{
Reading: thermometerReadings[len(thermometerReadings)-1].Reading,
Timestamp: end,
ThermometerID: thermometer.ID,
}
thermometerReadings = append([]orm.ThermometerReading{startReading}, thermometerReadings...)
thermometerReadings = append(thermometerReadings, endReading)
marshal(rw, thermometerReadings)
}