mirror of
https://github.com/matrix-org/dendrite.git
synced 2026-01-16 10:33:11 -06:00
Make all fields optional; set values to nil if we're returning nothing
This commit is contained in:
Till Faelligen
parent
d4710217f8
commit
283f909b2d
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@ -327,29 +327,57 @@ type PrevEventRef struct {
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PrevSender string `json:"prev_sender"`
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}
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type DeviceLists struct {
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Changed []string `json:"changed,omitempty"`
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Left []string `json:"left,omitempty"`
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}
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type RoomsResponse struct {
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Join map[string]JoinResponse `json:"join,omitempty"`
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Peek map[string]JoinResponse `json:"peek,omitempty"`
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Invite map[string]InviteResponse `json:"invite,omitempty"`
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Leave map[string]LeaveResponse `json:"leave,omitempty"`
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}
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type ToDeviceResponse struct {
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Events []gomatrixserverlib.SendToDeviceEvent `json:"events,omitempty"`
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}
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// Response represents a /sync API response. See https://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-sync
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type Response struct {
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NextBatch StreamingToken `json:"next_batch"`
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AccountData struct {
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Events []gomatrixserverlib.ClientEvent `json:"events,omitempty"`
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} `json:"account_data,omitempty"`
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Presence struct {
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Events []gomatrixserverlib.ClientEvent `json:"events,omitempty"`
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} `json:"presence,omitempty"`
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Rooms struct {
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Join map[string]JoinResponse `json:"join,omitempty"`
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Peek map[string]JoinResponse `json:"peek,omitempty"`
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Invite map[string]InviteResponse `json:"invite,omitempty"`
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Leave map[string]LeaveResponse `json:"leave,omitempty"`
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} `json:"rooms,omitempty"`
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ToDevice struct {
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Events []gomatrixserverlib.SendToDeviceEvent `json:"events,omitempty"`
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} `json:"to_device,omitempty"`
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DeviceLists struct {
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Changed []string `json:"changed,omitempty"`
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Left []string `json:"left,omitempty"`
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} `json:"device_lists,omitempty"`
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DeviceListsOTKCount map[string]int `json:"device_one_time_keys_count,omitempty"`
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NextBatch StreamingToken `json:"next_batch"`
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AccountData *ClientEvents `json:"account_data,omitempty"`
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Presence *ClientEvents `json:"presence,omitempty"`
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Rooms *RoomsResponse `json:"rooms,omitempty"`
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ToDevice *ToDeviceResponse `json:"to_device,omitempty"`
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DeviceLists *DeviceLists `json:"device_lists,omitempty"`
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DeviceListsOTKCount map[string]int `json:"device_one_time_keys_count,omitempty"`
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}
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func (r Response) MarshalJSON() ([]byte, error) {
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type alias Response
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a := alias(r)
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if r.AccountData != nil && len(r.AccountData.Events) == 0 {
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a.AccountData = nil
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}
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if r.Presence != nil && len(r.Presence.Events) == 0 {
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a.Presence = nil
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}
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if r.DeviceLists != nil {
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if len(r.DeviceLists.Left) == 0 && len(r.DeviceLists.Changed) == 0 {
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a.DeviceLists = nil
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}
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}
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if r.Rooms != nil {
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if len(r.Rooms.Join) == 0 && len(r.Rooms.Peek) == 0 &&
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len(r.Rooms.Invite) == 0 && len(r.Rooms.Leave) == 0 {
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a.Rooms = nil
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}
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}
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if r.ToDevice != nil && len(r.ToDevice.Events) == 0 {
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a.ToDevice = nil
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}
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return json.Marshal(a)
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}
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func (r *Response) HasUpdates() bool {
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@ -370,18 +398,21 @@ func NewResponse() *Response {
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res := Response{}
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// Pre-initialise the maps. Synapse will return {} even if there are no rooms under a specific section,
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// so let's do the same thing. Bonus: this means we can't get dreaded 'assignment to entry in nil map' errors.
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res.Rooms.Join = map[string]JoinResponse{}
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res.Rooms.Peek = map[string]JoinResponse{}
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res.Rooms.Invite = map[string]InviteResponse{}
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res.Rooms.Leave = map[string]LeaveResponse{}
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res.Rooms = &RoomsResponse{
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Join: map[string]JoinResponse{},
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Peek: map[string]JoinResponse{},
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Invite: map[string]InviteResponse{},
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Leave: map[string]LeaveResponse{},
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}
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// Also pre-intialise empty slices or else we'll insert 'null' instead of '[]' for the value.
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// TODO: We really shouldn't have to do all this to coerce encoding/json to Do The Right Thing. We should
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// really be using our own Marshal/Unmarshal implementations otherwise this may prove to be a CPU bottleneck.
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// This also applies to NewJoinResponse, NewInviteResponse and NewLeaveResponse.
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res.AccountData.Events = []gomatrixserverlib.ClientEvent{}
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res.Presence.Events = []gomatrixserverlib.ClientEvent{}
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res.ToDevice.Events = []gomatrixserverlib.SendToDeviceEvent{}
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res.AccountData = &ClientEvents{}
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res.Presence = &ClientEvents{}
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res.DeviceLists = &DeviceLists{}
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res.ToDevice = &ToDeviceResponse{}
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res.DeviceListsOTKCount = map[string]int{}
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return &res
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@ -403,37 +434,67 @@ type UnreadNotifications struct {
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NotificationCount int `json:"notification_count"`
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}
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type ClientEvents struct {
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Events []gomatrixserverlib.ClientEvent `json:"events,omitempty"`
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}
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type Timeline struct {
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Events []gomatrixserverlib.ClientEvent `json:"events"`
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Limited bool `json:"limited"`
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PrevBatch *TopologyToken `json:"prev_batch,omitempty"`
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}
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type Summary struct {
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Heroes []string `json:"m.heroes,omitempty"`
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JoinedMemberCount *int `json:"m.joined_member_count,omitempty"`
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InvitedMemberCount *int `json:"m.invited_member_count,omitempty"`
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}
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// JoinResponse represents a /sync response for a room which is under the 'join' or 'peek' key.
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type JoinResponse struct {
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Summary struct {
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Heroes []string `json:"m.heroes,omitempty"`
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JoinedMemberCount *int `json:"m.joined_member_count,omitempty"`
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InvitedMemberCount *int `json:"m.invited_member_count,omitempty"`
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} `json:"summary"`
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State struct {
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Events []gomatrixserverlib.ClientEvent `json:"events"`
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} `json:"state"`
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Timeline struct {
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Events []gomatrixserverlib.ClientEvent `json:"events"`
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Limited bool `json:"limited"`
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PrevBatch *TopologyToken `json:"prev_batch,omitempty"`
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} `json:"timeline"`
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Ephemeral struct {
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Events []gomatrixserverlib.ClientEvent `json:"events"`
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} `json:"ephemeral"`
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AccountData struct {
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Events []gomatrixserverlib.ClientEvent `json:"events"`
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} `json:"account_data"`
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Summary *Summary `json:"summary,omitempty"`
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State *ClientEvents `json:"state,omitempty"`
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Timeline *Timeline `json:"timeline,omitempty"`
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Ephemeral *ClientEvents `json:"ephemeral,omitempty"`
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AccountData *ClientEvents `json:"account_data,omitempty"`
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*UnreadNotifications `json:"unread_notifications,omitempty"`
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}
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func (jr JoinResponse) MarshalJSON() ([]byte, error) {
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type alias JoinResponse
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a := alias(jr)
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if jr.State != nil && len(jr.State.Events) == 0 {
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a.State = nil
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}
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if jr.Ephemeral != nil && len(jr.Ephemeral.Events) == 0 {
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a.Ephemeral = nil
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}
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if jr.AccountData != nil && len(jr.AccountData.Events) == 0 {
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a.AccountData = nil
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}
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if jr.Timeline != nil && len(jr.Timeline.Events) == 0 {
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a.Timeline = nil
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}
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if jr.Summary != nil && len(jr.Summary.Heroes) == 0 {
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a.Summary = nil
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}
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if jr.UnreadNotifications != nil &&
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jr.UnreadNotifications.NotificationCount == 0 && jr.UnreadNotifications.HighlightCount == 0 {
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a.UnreadNotifications = nil
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}
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return json.Marshal(a)
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}
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// NewJoinResponse creates an empty response with initialised arrays.
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func NewJoinResponse() *JoinResponse {
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res := JoinResponse{}
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res.State.Events = []gomatrixserverlib.ClientEvent{}
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res.Timeline.Events = []gomatrixserverlib.ClientEvent{}
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res.Ephemeral.Events = []gomatrixserverlib.ClientEvent{}
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res.AccountData.Events = []gomatrixserverlib.ClientEvent{}
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res := JoinResponse{
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Summary: &Summary{},
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State: &ClientEvents{},
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Timeline: &Timeline{},
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Ephemeral: &ClientEvents{},
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AccountData: &ClientEvents{},
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UnreadNotifications: &UnreadNotifications{},
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}
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return &res
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}
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@ -469,21 +530,16 @@ func NewInviteResponse(event *gomatrixserverlib.HeaderedEvent) *InviteResponse {
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// LeaveResponse represents a /sync response for a room which is under the 'leave' key.
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type LeaveResponse struct {
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State struct {
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Events []gomatrixserverlib.ClientEvent `json:"events"`
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} `json:"state"`
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Timeline struct {
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Events []gomatrixserverlib.ClientEvent `json:"events"`
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Limited bool `json:"limited"`
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PrevBatch *TopologyToken `json:"prev_batch,omitempty"`
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} `json:"timeline"`
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State *ClientEvents `json:"state,omitempty"`
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Timeline *Timeline `json:"timeline,omitempty"`
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}
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// NewLeaveResponse creates an empty response with initialised arrays.
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func NewLeaveResponse() *LeaveResponse {
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res := LeaveResponse{}
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res.State.Events = []gomatrixserverlib.ClientEvent{}
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res.Timeline.Events = []gomatrixserverlib.ClientEvent{}
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res := LeaveResponse{
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State: &ClientEvents{},
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Timeline: &Timeline{},
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}
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return &res
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}
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