func VehicleGetOne(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
id, _ := strconv.Atoi(vars["id"])
queryVals := r.URL.Query()
profile := getProfileFromQueryVals(queryVals)
v := models.Vehicle{}
eis := make([]models.EmissionsInfo, 0)
query := fmt.Sprintf("SELECT * FROM vehicles WHERE epa_id = %s",
global.Db.Dialect.Placeholder(1))
err := global.Db.SelectOne(&v, query, id)
checkErr(err, w)
fp := getMostRecentFuelPrices()
v.Fuels = models.CalculateFuelData(&v, profile, fp)
query = fmt.Sprintf("SELECT * FROM emissions_info WHERE epa_id = %s",
global.Db.Dialect.Placeholder(1))
err = global.Db.SelectMany(&eis, query, id)
checkErr(err, w)
v.EmissionsInfo = eis
js, err := json.Marshal(VehicleResponse{profile, v})
checkErr(err, w)
sendJSON(w, js)
}
func calculateFuelDataForAndCollectEpaIdsFromVehicles(vehicles *[]models.Vehicle,
profile models.DrivingProfile, fp models.FuelPrices) (epaIdsQuery string, epaIds []interface{},
epaIdToIdx map[int]int) {
queryBuff := bytes.Buffer{}
epaIdToIdx = make(map[int]int, 0)
vs := *vehicles
for i := 0; i < len(vs); i++ {
v := &vs[i]
epaIdToIdx[v.EpaID] = i
epaIds = append(epaIds, v.EpaID)
if i > 0 {
queryBuff.WriteString(", ")
}
queryBuff.WriteString(global.Db.Dialect.Placeholder(i + 1))
v.Fuels = models.CalculateFuelData(v, profile, fp)
}
return queryBuff.String(), epaIds, epaIdToIdx
}