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get_templates_all.go
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/
get_templates_all.go
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package queries
import (
"context"
"fmt"
"github.com/DIMO-Network/vehicle-signal-decoding/internal/infrastructure/exceptions"
"github.com/pkg/errors"
"github.com/volatiletech/sqlboiler/v4/queries/qm"
"github.com/DIMO-Network/shared/db"
"github.com/DIMO-Network/vehicle-signal-decoding/internal/infrastructure/db/models"
grpc "github.com/DIMO-Network/vehicle-signal-decoding/pkg/grpc"
"github.com/rs/zerolog"
)
type GetTemplatesAllQueryHandler struct {
DBS func() *db.ReaderWriter
logger *zerolog.Logger
}
func NewGetTemplatesAllQueryHandler(dbs func() *db.ReaderWriter, logger *zerolog.Logger) GetTemplatesAllQueryHandler {
return GetTemplatesAllQueryHandler{
DBS: dbs,
logger: logger,
}
}
type GetTemplatesAllQueryRequest struct {
Protocol *string
Powertrain *string
}
func (h GetTemplatesAllQueryHandler) Handle(ctx context.Context, query *GetTemplatesAllQueryRequest) (*grpc.GetTemplateListResponse, error) {
var mods []qm.QueryMod
if query.Protocol != nil {
validProtocols := map[string]struct{}{
models.CanProtocolTypeCAN11_500: {},
models.CanProtocolTypeCAN29_500: {},
}
if _, isValid := validProtocols[*query.Protocol]; !isValid {
return nil, &exceptions.ValidationError{
Err: errors.Errorf("invalid protocol: %s", *query.Protocol),
}
}
mods = append(mods,
models.TemplateWhere.Protocol.EQ(*query.Protocol))
}
if query.Powertrain != nil {
mods = append(mods,
models.TemplateWhere.Powertrain.EQ(*query.Powertrain))
}
// future optimization, use raw sql. note that we're pulling in the entire relationship list just to use the count below and whether it as a dbc file present
mods = append(mods, qm.Load(models.TemplateRels.TemplateNameDBCFile), qm.Load(models.TemplateRels.TemplateNamePidConfigs))
all, err := models.Templates(mods...).All(ctx, h.DBS().Reader)
if err != nil {
return nil, fmt.Errorf("failed to get templates: %w", err)
}
result := &grpc.GetTemplateListResponse{}
for _, item := range all {
result.Templates = append(result.Templates, &grpc.TemplateSummary{
Name: item.TemplateName,
Version: item.Version,
Protocol: item.Protocol,
Powertrain: item.Powertrain,
HasDbc: item.R.GetTemplateNameDBCFile().DBCFile,
PidsCount: int32(len(item.R.GetTemplateNamePidConfigs())),
})
}
return result, nil
}