/
create_template.go
67 lines (55 loc) · 1.86 KB
/
create_template.go
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package commands
import (
"context"
"github.com/DIMO-Network/vehicle-signal-decoding/internal/infrastructure/db/models"
"github.com/DIMO-Network/vehicle-signal-decoding/internal/infrastructure/exceptions"
"github.com/pkg/errors"
"github.com/volatiletech/null/v8"
"github.com/volatiletech/sqlboiler/v4/boil"
"github.com/DIMO-Network/shared/db"
)
type CreateTemplateCommandHandler struct {
DBS func() *db.ReaderWriter
}
func NewCreateTemplateCommandHandler(dbs func() *db.ReaderWriter) CreateTemplateCommandHandler {
return CreateTemplateCommandHandler{DBS: dbs}
}
type CreateTemplateCommandRequest struct {
Name string
ParentTemplateName string
Version string
Protocol string
Powertrain string
DBC string
TemplateVehicles []string
}
type CreateTemplateCommandResponse struct {
Name string
}
func (h CreateTemplateCommandHandler) Execute(ctx context.Context, req *CreateTemplateCommandRequest) (*CreateTemplateCommandResponse, error) {
exists, err := models.Templates(models.TemplateWhere.TemplateName.EQ(req.Name)).Exists(ctx, h.DBS().Reader)
if err != nil {
return nil, &exceptions.InternalError{
Err: errors.Wrapf(err, "error checking if template exists: %s", req.Name),
}
}
if exists {
return nil, &exceptions.ConflictError{
Err: errors.Errorf("template already exists: %s", req.Name),
}
}
template := &models.Template{
TemplateName: req.Name,
ParentTemplateName: null.StringFrom(req.ParentTemplateName),
Version: req.Version,
Protocol: req.Protocol,
Powertrain: req.Powertrain,
}
err = template.Insert(ctx, h.DBS().Writer, boil.Infer())
if err != nil {
return nil, &exceptions.InternalError{
Err: errors.Wrapf(err, "error inserting template: %s", req.Name),
}
}
return &CreateTemplateCommandResponse{Name: template.TemplateName}, nil
}