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Calculate mileage based on mileageOption

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This commit is contained in:
Alf Sebastian Houge
2022-10-15 20:18:26 +02:00
parent 2ecb113918
commit c0db2c5c1e
3 changed files with 42 additions and 6 deletions
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43
server/service/reportService.go
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@@ -4,11 +4,12 @@ import (
"sort"
"time"
"github.com/akhilrex/hammond/common"
"github.com/akhilrex/hammond/db"
"github.com/akhilrex/hammond/models"
)
func GetMileageByVehicleId(vehicleId string, since time.Time) (mileage []models.MileageModel, err error) {
func GetMileageByVehicleId(vehicleId string, since time.Time, mileageOption string) (mileage []models.MileageModel, err error) {
data, err := db.GetFillupsByVehicleIdSince(vehicleId, since)
if err != nil {
return nil, err
@@ -36,14 +37,48 @@ func GetMileageByVehicleId(vehicleId string, since time.Time) (mileage []models.
PerUnitPrice: currentFillup.PerUnitPrice,
OdoReading: currentFillup.OdoReading,
Currency: currentFillup.Currency,
DistanceUnit: currentFillup.DistanceUnit,
Mileage: 0,
CostPerMile: 0,
}
if currentFillup.IsTankFull != nil && *currentFillup.IsTankFull && (currentFillup.HasMissedFillup == nil || !(*currentFillup.HasMissedFillup)) {
distance := float32(currentFillup.OdoReading - lastFillup.OdoReading)
mileage.Mileage = distance / currentFillup.FuelQuantity
mileage.CostPerMile = distance / currentFillup.TotalAmount
currentOdoReading := float32(currentFillup.OdoReading);
lastFillupOdoReading := float32(lastFillup.OdoReading);
currentFuelQuantity := float32(currentFillup.FuelQuantity);
// If miles per gallon option and distanceUnit is km, convert from km to miles
// then check if fuel unit is litres. If it is, convert to gallons
if (mileageOption == "mpg" && mileage.DistanceUnit == db.KILOMETERS) {
currentOdoReading = common.KmToMiles(currentOdoReading);
lastFillupOdoReading = common.KmToMiles(lastFillupOdoReading);
if (mileage.FuelUnit == db.LITRE) {
currentFuelQuantity = common.LitreToGallon(currentFuelQuantity);
}
}
// If km_litre option or litre per 100km and distanceUnit is miles, convert from miles to km
// then check if fuel unit is not litres. If it isn't, convert to litres
if ((mileageOption == "km_litre" || mileageOption == "litre_100km") && mileage.DistanceUnit == db.MILES) {
currentOdoReading = common.MilesToKm(currentOdoReading);
lastFillupOdoReading = common.MilesToKm(lastFillupOdoReading);
if (mileage.FuelUnit == db.US_GALLON) {
currentFuelQuantity = common.GallonToLitre(currentFuelQuantity);
}
}
distance := float32(currentOdoReading - lastFillupOdoReading);
if (mileageOption == "litre_100km") {
mileage.Mileage = currentFuelQuantity / distance * 100;
} else {
mileage.Mileage = distance / currentFuelQuantity;
}
mileage.CostPerMile = distance / currentFillup.TotalAmount;
}