3
0
corteza/system/internal/service/application.go
2019-04-03 17:05:51 +02:00

121 lines
2.7 KiB
Go

package service
import (
"context"
"github.com/pkg/errors"
"github.com/titpetric/factory"
"github.com/crusttech/crust/system/internal/repository"
"github.com/crusttech/crust/system/types"
)
type (
application struct {
db *factory.DB
ctx context.Context
prm PermissionsService
application repository.ApplicationRepository
}
ApplicationService interface {
With(ctx context.Context) ApplicationService
FindByID(applicationID uint64) (*types.Application, error)
Find() (types.ApplicationSet, error)
Create(application *types.Application) (*types.Application, error)
Update(application *types.Application) (*types.Application, error)
DeleteByID(id uint64) error
}
)
func Application(ctx context.Context) ApplicationService {
return (&application{}).With(ctx)
}
func (svc *application) With(ctx context.Context) ApplicationService {
db := repository.DB(ctx)
return &application{
db: db,
ctx: ctx,
prm: Permissions(ctx),
application: repository.Application(ctx, db),
}
}
func (svc *application) FindByID(id uint64) (*types.Application, error) {
app, err := svc.application.FindByID(id)
if err != nil {
return nil, err
}
if !svc.prm.CanReadApplication(app) {
return nil, errors.New("Not allowed to access application")
}
return app, nil
}
func (svc *application) Find() (types.ApplicationSet, error) {
apps, err := svc.application.Find()
if err != nil {
return nil, err
}
ret := []*types.Application{}
for _, app := range apps {
if svc.prm.CanReadApplication(app) {
ret = append(ret, app)
}
}
return ret, nil
}
func (svc *application) Create(mod *types.Application) (*types.Application, error) {
if !svc.prm.CanCreateApplication() {
return nil, errors.New("Not allowed to create application")
}
return svc.application.Create(mod)
}
func (svc *application) Update(mod *types.Application) (t *types.Application, err error) {
if !svc.prm.CanUpdateApplication(mod) {
return nil, errors.New("Not allowed to update application")
}
// @todo: make sure archived & deleted entries can not be edited
return t, svc.db.Transaction(func() (err error) {
if t, err = svc.application.FindByID(mod.ID); err != nil {
return
}
// Assign changed values
t.Name = mod.Name
t.Enabled = mod.Enabled
t.Unify = mod.Unify
if t, err = svc.application.Update(t); err != nil {
return err
}
return nil
})
}
func (svc *application) DeleteByID(id uint64) error {
// @todo: make history unavailable
// @todo: notify users that application has been removed (remove from web UI)
app := &types.Application{ID: id}
if !svc.prm.CanDeleteApplication(app) {
return errors.New("Not allowed to delete application")
}
return svc.application.DeleteByID(id)
}
var _ ApplicationService = &application{}