53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
package service
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import (
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"time"
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"github.com/akhilrex/hammond/db"
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"github.com/akhilrex/hammond/models"
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)
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func GetMileageByVehicleId(vehicleId string, since time.Time) (mileage []models.MileageModel, err error) {
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data, err := db.GetFillupsByVehicleIdSince(vehicleId, since)
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if err != nil {
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return nil, err
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}
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fillups := make([]db.Fillup, len(*data))
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copy(fillups, *data)
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var mileages []models.MileageModel
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for i := 0; i < len(fillups)-1; i++ {
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last := i + 1
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currentFillup := fillups[i]
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lastFillup := fillups[last]
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mileage := models.MileageModel{
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Date: currentFillup.Date,
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VehicleID: currentFillup.VehicleID,
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FuelUnit: currentFillup.FuelUnit,
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FuelQuantity: currentFillup.FuelQuantity,
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PerUnitPrice: currentFillup.PerUnitPrice,
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OdoReading: currentFillup.OdoReading,
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Currency: currentFillup.Currency,
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Mileage: 0,
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CostPerMile: 0,
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}
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if currentFillup.IsTankFull != nil && *currentFillup.IsTankFull && (currentFillup.HasMissedFillup == nil || !(*currentFillup.HasMissedFillup)) {
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distance := float32(currentFillup.OdoReading - lastFillup.OdoReading)
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mileage.Mileage = distance / currentFillup.FuelQuantity
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mileage.CostPerMile = distance / currentFillup.TotalAmount
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}
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mileages = append(mileages, mileage)
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}
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if mileages == nil {
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mileages = make([]models.MileageModel, 0)
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}
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return mileages, nil
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}
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