/
delete_dt.go
61 lines (47 loc) · 1.48 KB
/
delete_dt.go
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package commands
import (
"context"
"database/sql"
"fmt"
"github.com/DIMO-Network/device-definitions-api/internal/core/mediator"
"github.com/DIMO-Network/device-definitions-api/internal/infrastructure/db/models"
"github.com/DIMO-Network/device-definitions-api/internal/infrastructure/exceptions"
"github.com/DIMO-Network/shared/db"
"github.com/pkg/errors"
)
type DeleteDeviceTypeCommand struct {
ID string `json:"id"`
}
type DeleteDeviceTypeCommandResult struct {
ID string `json:"id"`
}
func (*DeleteDeviceTypeCommand) Key() string { return "DeleteDeviceTypeCommand" }
type DeleteDeviceTypeCommandHandler struct {
DBS func() *db.ReaderWriter
}
func NewDeleteDeviceTypeCommandHandler(dbs func() *db.ReaderWriter) DeleteDeviceTypeCommandHandler {
return DeleteDeviceTypeCommandHandler{DBS: dbs}
}
func (ch DeleteDeviceTypeCommandHandler) Handle(ctx context.Context, query mediator.Message) (interface{}, error) {
command := query.(*DeleteDeviceTypeCommand)
dt, err := models.DeviceTypes(models.DeviceTypeWhere.ID.EQ(command.ID)).One(ctx, ch.DBS().Reader)
if err != nil {
if !errors.Is(err, sql.ErrNoRows) {
return nil, &exceptions.InternalError{
Err: err,
}
}
}
if err != nil {
return nil, &exceptions.NotFoundError{
Err: fmt.Errorf("could not find device type id: %s", command.ID),
}
}
_, err = dt.Delete(ctx, ch.DBS().Writer.DB)
if err != nil {
return nil, &exceptions.InternalError{
Err: err,
}
}
return DeleteDeviceTypeCommandResult{ID: dt.ID}, nil
}