Increase gocyclo complexity to 25 (and remove all but 2 golint directives related to it) (#1783)

roomserver/api/wrapper.go

@@ -172,7 +172,6 @@ func IsServerBannedFromRoom(ctx context.Context, rsAPI RoomserverInternalAPI, ro
 // PopulatePublicRooms extracts PublicRoom information for all the provided room IDs. The IDs are not checked to see if they are visible in the
 // published room directory.
 // due to lots of switches
-// nolint:gocyclo
 func PopulatePublicRooms(ctx context.Context, roomIDs []string, rsAPI RoomserverInternalAPI) ([]gomatrixserverlib.PublicRoom, error) {
 	avatarTuple := gomatrixserverlib.StateKeyTuple{EventType: "m.room.avatar", StateKey: ""}
 	nameTuple := gomatrixserverlib.StateKeyTuple{EventType: "m.room.name", StateKey: ""}

roomserver/internal/helpers/helpers.go

@@ -270,7 +270,6 @@ func CheckServerAllowedToSeeEvent(
 }
 
 // TODO: Remove this when we have tests to assert correctness of this function
-// nolint:gocyclo
 func ScanEventTree(
 	ctx context.Context, db storage.Database, info types.RoomInfo, front []string, visited map[string]bool, limit int,
 	serverName gomatrixserverlib.ServerName,

roomserver/internal/perform/perform_backfill.go

@@ -381,7 +381,6 @@ func (b *backfillRequester) StateBeforeEvent(ctx context.Context, roomVer gomatr
 // It returns a list of servers which can be queried for backfill requests. These servers
 // will be servers that are in the room already. The entries at the beginning are preferred servers
 // and will be tried first. An empty list will fail the request.
-// nolint:gocyclo
 func (b *backfillRequester) ServersAtEvent(ctx context.Context, roomID, eventID string) []gomatrixserverlib.ServerName {
 	// eventID will be a prev_event ID of a backwards extremity, meaning we will not have a database entry for it. Instead, use
 	// its successor, so look it up.

roomserver/internal/perform/perform_invite.go

@@ -37,7 +37,6 @@ type Inviter struct {
 	Inputer *input.Inputer
 }
 
-// nolint:gocyclo
 func (r *Inviter) PerformInvite(
 	ctx context.Context,
 	req *api.PerformInviteRequest,

roomserver/internal/perform/perform_join.go

@@ -139,7 +139,6 @@ func (r *Joiner) performJoinRoomByAlias(
 }
 
 // TODO: Break this function up a bit
-// nolint:gocyclo
 func (r *Joiner) performJoinRoomByID(
 	ctx context.Context,
 	req *api.PerformJoinRequest,

roomserver/internal/query/query.go

@@ -49,7 +49,6 @@ func (r *Queryer) QueryLatestEventsAndState(
 }
 
 // QueryStateAfterEvents implements api.RoomserverInternalAPI
-// nolint:gocyclo
 func (r *Queryer) QueryStateAfterEvents(
 	ctx context.Context,
 	request *api.QueryStateAfterEventsRequest,
@@ -372,7 +371,6 @@ func (r *Queryer) QueryServerAllowedToSeeEvent(
 }
 
 // QueryMissingEvents implements api.RoomserverInternalAPI
-// nolint:gocyclo
 func (r *Queryer) QueryMissingEvents(
 	ctx context.Context,
 	request *api.QueryMissingEventsRequest,

roomserver/state/state.go

@@ -770,7 +770,6 @@ func (v *StateResolution) resolveConflictsV1(
 // Returns a list that combines the entries without conflicts with the result of state resolution for the entries with conflicts.
 // The returned list is sorted by state key tuple.
 // Returns an error if there was a problem talking to the database.
-// nolint:gocyclo
 func (v *StateResolution) resolveConflictsV2(
 	ctx context.Context,
 	notConflicted, conflicted []types.StateEntry,

roomserver/storage/shared/storage.go

@@ -412,7 +412,6 @@ func (d *Database) GetLatestEventsForUpdate(
 	return updater, err
 }
 
-// nolint:gocyclo
 func (d *Database) StoreEvent(
 	ctx context.Context, event *gomatrixserverlib.Event,
 	txnAndSessionID *api.TransactionID, authEventNIDs []types.EventNID, isRejected bool,
@@ -672,7 +671,6 @@ func extractRoomVersionFromCreateEvent(event *gomatrixserverlib.Event) (
 // to cross-reference with other tables when loading.
 //
 // Returns the redaction event and the event ID of the redacted event if this call resulted in a redaction.
-// nolint:gocyclo
 func (d *Database) handleRedactions(
 	ctx context.Context, txn *sql.Tx, eventNID types.EventNID, event *gomatrixserverlib.Event,
 ) (*gomatrixserverlib.Event, string, error) {
@@ -802,7 +800,6 @@ func (d *Database) loadEvent(ctx context.Context, eventID string) *types.Event {
 // GetStateEvent returns the current state event of a given type for a given room with a given state key
 // If no event could be found, returns nil
 // If there was an issue during the retrieval, returns an error
-// nolint:gocyclo
 func (d *Database) GetStateEvent(ctx context.Context, roomID, evType, stateKey string) (*gomatrixserverlib.HeaderedEvent, error) {
 	roomInfo, err := d.RoomInfo(ctx, roomID)
 	if err != nil {
@@ -893,7 +890,6 @@ func (d *Database) GetRoomsByMembership(ctx context.Context, userID, membership
 
 // GetBulkStateContent returns all state events which match a given room ID and a given state key tuple. Both must be satisfied for a match.
 // If a tuple has the StateKey of '*' and allowWildcards=true then all state events with the EventType should be returned.
-// nolint:gocyclo
 func (d *Database) GetBulkStateContent(ctx context.Context, roomIDs []string, tuples []gomatrixserverlib.StateKeyTuple, allowWildcards bool) ([]tables.StrippedEvent, error) {
 	eventTypes := make([]string, 0, len(tuples))
 	for _, tuple := range tuples {