48 lines
1.3 KiB
Go
Executable File
48 lines
1.3 KiB
Go
Executable File
package model
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import (
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"errors"
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"strings"
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"time"
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)
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// Exercise repräsentiert eine Kraftübung.
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type Exercise struct {
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ID int64 `json:"id"`
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Name string `json:"name"`
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Description string `json:"description"`
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MuscleGroup string `json:"muscle_group"`
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WeightStepKg float64 `json:"weight_step_kg"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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DeletedAt *time.Time `json:"deleted_at,omitempty"`
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}
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// CreateExerciseRequest enthält die Felder zum Anlegen einer Übung.
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type CreateExerciseRequest struct {
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Name string `json:"name"`
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Description string `json:"description"`
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MuscleGroup string `json:"muscle_group"`
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WeightStepKg *float64 `json:"weight_step_kg"`
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}
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// Validate prüft und normalisiert den Request. Setzt Default für WeightStepKg.
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func (r *CreateExerciseRequest) Validate() error {
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r.Name = strings.TrimSpace(r.Name)
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if len(r.Name) == 0 || len(r.Name) > 100 {
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return errors.New("Name muss 1–100 Zeichen lang sein")
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}
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if !ValidMuscleGroup(r.MuscleGroup) {
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return errors.New("Ungültige Muskelgruppe")
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}
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if r.WeightStepKg != nil {
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if *r.WeightStepKg <= 0 {
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return errors.New("Gewichtsschritt muss > 0 sein")
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}
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} else {
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def := 2.5
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r.WeightStepKg = &def
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}
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return nil
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}
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