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query_contents.go
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/
query_contents.go
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package keeper
import (
"context"
"cosmossdk.io/orm/model/ormlist"
sdk "github.com/cosmos/cosmos-sdk/types"
contentv1 "github.com/chora-io/mods/content/api/v1"
v1 "github.com/chora-io/mods/content/types/v1"
"github.com/chora-io/mods/content/utils"
)
// Contents implements the Query/Contents method.
func (k Keeper) Contents(ctx context.Context, req *v1.QueryContentsRequest) (*v1.QueryContentsResponse, error) {
// set the index for table lookup
index := contentv1.ContentIdIndexKey{}
// set the pagination for table lookup
pgnReq, err := utils.GogoPageReqToPulsarPageReq(req.Pagination)
if err != nil {
return nil, err // internal error
}
// get contents from content table
it, err := k.ss.ContentTable().List(ctx, index, ormlist.Paginate(pgnReq))
if err != nil {
return nil, err // internal error
}
// set contents for query response
contents := make([]*v1.QueryContentsResponse_Content, 0, 10)
for it.Next() {
v, err := it.Value()
if err != nil {
return nil, err // internal error
}
curator := sdk.AccAddress(v.Curator).String()
content := v1.QueryContentsResponse_Content{
Id: v.Id,
Curator: curator,
Metadata: v.Metadata,
}
contents = append(contents, &content)
}
// set the pagination for query response
pgnRes, err := utils.PulsarPageResToGogoPageRes(it.PageResponse())
if err != nil {
return nil, err // internal error
}
// return query response
return &v1.QueryContentsResponse{
Contents: contents,
Pagination: pgnRes,
}, nil
}