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package official_climb
import (
"fmt"
"math"
"strings"
"time"
"github.com/jftuga/geodist"
"github.com/martinlehoux/biking_home/climb"
)
const DefaultMatchRadiusM = 100.0
type OfficialClimb struct {
ID int64
Name string
StartCoord geodist.Coord
EndCoord geodist.Coord
// Sample is the passage the climb was created from; matching rejects candidates outside its band.
Sample climb.SegmentSample
CreatedAt time.Time
UpdatedAt time.Time
}
type MatchPolicy struct {
EndpointRadiusM float64
}
func DefaultMatchPolicy() MatchPolicy {
return MatchPolicy{EndpointRadiusM: DefaultMatchRadiusM}
}
func (policy MatchPolicy) Validate() error {
if math.IsNaN(policy.EndpointRadiusM) || math.IsInf(policy.EndpointRadiusM, 0) || policy.EndpointRadiusM <= 0 {
return fmt.Errorf("official climb endpoint radius must be greater than zero")
}
return nil
}
func (climb OfficialClimb) validate() error {
if strings.TrimSpace(climb.Name) == "" {
return fmt.Errorf("official climb name is required")
}
if !validCoord(climb.StartCoord) || !validCoord(climb.EndCoord) {
return fmt.Errorf("official climb coordinates are invalid")
}
if climb.Sample.DistanceM <= 0 || climb.Sample.ElevationGainM <= 0 {
return fmt.Errorf("official climb sample must record a positive distance and elevation gain")
}
return nil
}
func validCoord(coord geodist.Coord) bool {
return coord.Lat >= -90 && coord.Lat <= 90 && coord.Lon >= -180 && coord.Lon <= 180
}
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