/
query_resolvers_by_iri.go
74 lines (60 loc) · 2.04 KB
/
query_resolvers_by_iri.go
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package server
import (
"context"
"github.com/cosmos/cosmos-sdk/orm/model/ormlist"
sdk "github.com/cosmos/cosmos-sdk/types"
api "github.com/regen-network/regen-ledger/api/v2/regen/data/v1"
regenerrors "github.com/regen-network/regen-ledger/types/v2/errors"
"github.com/regen-network/regen-ledger/types/v2/ormutil"
"github.com/regen-network/regen-ledger/x/data/v2"
)
// ResolversByIRI queries resolvers with registered data by the IRI of the data.
func (s serverImpl) ResolversByIRI(ctx context.Context, request *data.QueryResolversByIRIRequest) (*data.QueryResolversByIRIResponse, error) {
if len(request.Iri) == 0 {
return nil, regenerrors.ErrInvalidArgument.Wrap("IRI cannot be empty")
}
// check for valid IRI
_, err := data.ParseIRI(request.Iri)
if err != nil {
return nil, regenerrors.ErrInvalidArgument.Wrap(err.Error())
}
dataID, err := s.stateStore.DataIDTable().GetByIri(ctx, request.Iri)
if err != nil {
return nil, regenerrors.ErrNotFound.Wrapf("data record with IRI: %s", request.Iri)
}
pg, err := ormutil.GogoPageReqToPulsarPageReq(request.Pagination)
if err != nil {
return nil, regenerrors.ErrInvalidArgument.Wrap(err.Error())
}
it, err := s.stateStore.DataResolverTable().List(
ctx,
api.DataResolverPrimaryKey{}.WithId(dataID.Id),
ormlist.Paginate(pg),
)
if err != nil {
return nil, regenerrors.ErrInternal.Wrap(err.Error())
}
defer it.Close()
res := &data.QueryResolversByIRIResponse{}
for it.Next() {
item, err := it.Value()
if err != nil {
return nil, err
}
resolver, err := s.stateStore.ResolverTable().Get(ctx, item.ResolverId)
if err != nil {
return nil, regenerrors.ErrNotFound.Wrapf("resolver with ID: %d", item.ResolverId)
}
manager := sdk.AccAddress(resolver.Manager).String()
res.Resolvers = append(res.Resolvers, &data.ResolverInfo{
Id: resolver.Id,
Url: resolver.Url,
Manager: manager,
})
}
res.Pagination, err = ormutil.PulsarPageResToGogoPageRes(it.PageResponse())
if err != nil {
return nil, regenerrors.ErrInternal.Wrap(err.Error())
}
return res, nil
}