refactor: split official climb concerns

1 files changed, 50 insertions, 0 deletions

diff --git a/official_climb/model.go b/official_climb/model.go
new file mode 100644
index 0000000..ae66f46
--- /dev/null
+++ b/official_climb/model.go
@@ -0,0 +1,50 @@
+package official_climb
+
+import (
+	"fmt"
+	"math"
+	"strings"
+	"time"
+
+	"github.com/jftuga/geodist"
+)
+
+const DefaultMatchRadiusM = 100.0
+
+type OfficialClimb struct {
+	ID         int64
+	Name       string
+	StartCoord geodist.Coord
+	EndCoord   geodist.Coord
+	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")
+	}
+	return nil
+}
+
+func validCoord(coord geodist.Coord) bool {
+	return coord.Lat >= -90 && coord.Lat <= 90 && coord.Lon >= -180 && coord.Lon <= 180
+}