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class.go
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class.go
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package services
import (
"context"
"fmt"
"time"
"github.com/jbaikge/boneless/models"
"github.com/rs/xid"
)
type ClassRepository interface {
CreateClass(context.Context, *models.Class) error
DeleteClass(context.Context, string) error
GetClassById(context.Context, string) (models.Class, error)
GetClassList(context.Context, models.ClassFilter) ([]models.Class, models.Range, error)
UpdateClass(context.Context, *models.Class) error
}
type ClassService struct {
repo ClassRepository
}
func NewClassService(repo ClassRepository) ClassService {
return ClassService{
repo: repo,
}
}
func (s ClassService) All(ctx context.Context) (classes []models.Class, err error) {
filter := models.ClassFilter{
Range: models.Range{End: 1000},
}
classes, _, err = s.List(ctx, filter)
return
}
func (s ClassService) ById(ctx context.Context, id string) (models.Class, error) {
if !idProvider.IsValid(id) {
return models.Class{}, fmt.Errorf("invalid class ID: %s", id)
}
return s.repo.GetClassById(ctx, id)
}
func (s ClassService) Create(ctx context.Context, class *models.Class) (err error) {
if class.Id != "" {
return fmt.Errorf("class already has an ID")
}
// TODO validate internal fields
now := time.Now()
class.Id = xid.NewWithTime(now).String()
class.Created = now
class.Updated = now
return s.repo.CreateClass(ctx, class)
}
func (s ClassService) Delete(ctx context.Context, id string) (err error) {
return s.repo.DeleteClass(ctx, id)
}
func (s ClassService) List(ctx context.Context, filter models.ClassFilter) ([]models.Class, models.Range, error) {
return s.repo.GetClassList(ctx, filter)
}
func (s ClassService) Update(ctx context.Context, class *models.Class) (err error) {
if class.Id == "" {
return fmt.Errorf("class has no ID")
}
class.Updated = time.Now()
return s.repo.UpdateClass(ctx, class)
}