dendrite/federationsender/query/query.go

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package query
import (
"context"
"github.com/matrix-org/dendrite/federationsender/api"
"github.com/matrix-org/dendrite/federationsender/types"
"github.com/matrix-org/gomatrixserverlib"
)
// FederationSenderQueryDatabase has the APIs needed to implement the query API.
type FederationSenderQueryDatabase interface {
GetJoinedHosts(
ctx context.Context, roomID string,
) ([]types.JoinedHost, error)
}
// FederationSenderQueryAPI is an implementation of api.FederationSenderQueryAPI
type FederationSenderQueryAPI struct {
DB FederationSenderQueryDatabase
}
// QueryJoinedHostsInRoom implements api.FederationSenderQueryAPI
func (f *FederationSenderQueryAPI) QueryJoinedHostsInRoom(
ctx context.Context,
request *api.QueryJoinedHostsInRoomRequest,
response *api.QueryJoinedHostsInRoomResponse,
) (err error) {
response.JoinedHosts, err = f.DB.GetJoinedHosts(ctx, request.RoomID)
return
}
// QueryJoinedHostServerNamesInRoom implements api.FederationSenderQueryAPI
func (f *FederationSenderQueryAPI) QueryJoinedHostServerNamesInRoom(
ctx context.Context,
request *api.QueryJoinedHostServerNamesInRoomRequest,
response *api.QueryJoinedHostServerNamesInRoomResponse,
) (err error) {
joinedHosts, err := f.DB.GetJoinedHosts(ctx, request.RoomID)
if err != nil {
return
}
serverNamesSet := make(map[gomatrixserverlib.ServerName]bool, len(joinedHosts))
for _, host := range joinedHosts {
serverNamesSet[host.ServerName] = true
}
response.ServerNames = make([]gomatrixserverlib.ServerName, 0, len(serverNamesSet))
for name := range serverNamesSet {
response.ServerNames = append(response.ServerNames, name)
}
return
}