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create_device_settings.go
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/
create_device_settings.go
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package commands
import (
"context"
"encoding/json"
"github.com/DIMO-Network/vehicle-signal-decoding/internal/core/appmodels"
"github.com/volatiletech/null/v8"
"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/sqlboiler/v4/boil"
"github.com/DIMO-Network/shared/db"
)
type CreateDeviceSettingsCommandHandler struct {
DBS func() *db.ReaderWriter
}
func NewCreateDeviceSettingsCommandHandler(dbs func() *db.ReaderWriter) CreateDeviceSettingsCommandHandler {
return CreateDeviceSettingsCommandHandler{DBS: dbs}
}
type CreateDeviceSettingsCommandRequest struct {
Name string
Settings appmodels.SettingsData `json:"settings"`
}
type CreateDeviceSettingsCommandResponse struct {
Name string
}
func (h CreateDeviceSettingsCommandHandler) Execute(ctx context.Context, req *CreateDeviceSettingsCommandRequest) (*CreateDeviceSettingsCommandResponse, error) {
exists, err := models.DeviceSettings(models.DeviceSettingWhere.Name.EQ(req.Name)).Exists(ctx, h.DBS().Reader)
if err != nil {
return nil, &exceptions.InternalError{
Err: errors.Wrapf(err, "error checking if device setting exists: %s", req.Name),
}
}
if exists {
return nil, &exceptions.ConflictError{
Err: errors.Errorf("device setting already exists: %s", req.Name),
}
}
settingsBytes, err := json.Marshal(req.Settings)
if err != nil {
return nil, &exceptions.InternalError{
Err: errors.Wrapf(err, "error serializing settings for device setting: %s", req.Name),
}
}
settingsJSON := null.JSONFrom(settingsBytes)
deviceSetting := &models.DeviceSetting{
Name: req.Name,
Settings: settingsJSON,
}
err = deviceSetting.Insert(ctx, h.DBS().Writer, boil.Infer())
if err != nil {
return nil, &exceptions.InternalError{
Err: errors.Wrapf(err, "error inserting device setting with template name: %s", req.Name),
}
}
return &CreateDeviceSettingsCommandResponse{Name: deviceSetting.Name}, nil
}