319 lines
8.2 KiB
Go
319 lines
8.2 KiB
Go
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package gomatrix
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import (
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"encoding/json"
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"sync"
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)
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type EventType string
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type MessageType string
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// State events
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const (
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StateAliases EventType = "m.room.aliases"
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StateCanonicalAlias = "m.room.canonical_alias"
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StateCreate = "m.room.create"
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StateJoinRules = "m.room.join_rules"
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StateMember = "m.room.member"
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StatePowerLevels = "m.room.power_levels"
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StateRoomName = "m.room.name"
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StateTopic = "m.room.topic"
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StateRoomAvatar = "m.room.avatar"
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StatePinnedEvents = "m.room.pinned_events"
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)
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// Message events
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const (
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EventRedaction EventType = "m.room.redaction"
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EventMessage = "m.room.message"
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EventSticker = "m.sticker"
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)
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// Msgtypes
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const (
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MsgText MessageType = "m.text"
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MsgEmote = "m.emote"
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MsgNotice = "m.notice"
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MsgImage = "m.image"
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MsgLocation = "m.location"
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MsgVideo = "m.video"
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MsgAudio = "m.audio"
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MsgFile = "m.file"
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)
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type Format string
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// Message formats
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const (
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FormatHTML Format = "org.matrix.custom.html"
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)
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// Event represents a single Matrix event.
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type Event struct {
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StateKey *string `json:"state_key,omitempty"` // The state key for the event. Only present on State Events.
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Sender string `json:"sender"` // The user ID of the sender of the event
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Type EventType `json:"type"` // The event type
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Timestamp int64 `json:"origin_server_ts"` // The unix timestamp when this message was sent by the origin server
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ID string `json:"event_id"` // The unique ID of this event
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RoomID string `json:"room_id"` // The room the event was sent to. May be nil (e.g. for presence)
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Content Content `json:"content"` // The JSON content of the event.
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Redacts string `json:"redacts,omitempty"` // The event ID that was redacted if a m.room.redaction event
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Unsigned Unsigned `json:"unsigned,omitempty"` // Unsigned content set by own homeserver.
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InviteRoomState []StrippedState `json:"invite_room_state"`
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}
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func (evt *Event) GetStateKey() string {
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if evt.StateKey != nil {
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return *evt.StateKey
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}
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return ""
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}
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type StrippedState struct {
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Content Content `json:"content"`
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Type EventType `json:"type"`
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StateKey string `json:"state_key"`
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}
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type Unsigned struct {
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PrevContent map[string]interface{} `json:"prev_content,omitempty"`
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PrevSender string `json:"prev_sender,omitempty"`
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ReplacesState string `json:"replaces_state,omitempty"`
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Age int64 `json:"age,omitempty"`
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}
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type Content struct {
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VeryRaw json.RawMessage `json:"-"`
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Raw map[string]interface{} `json:"-"`
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MsgType MessageType `json:"msgtype,omitempty"`
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Body string `json:"body,omitempty"`
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Format Format `json:"format,omitempty"`
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FormattedBody string `json:"formatted_body,omitempty"`
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Info *FileInfo `json:"info,omitempty"`
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URL string `json:"url,omitempty"`
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// Membership key for easy access in m.room.member events
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Membership string `json:"membership,omitempty"`
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RelatesTo *RelatesTo `json:"m.relates_to,omitempty"`
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PowerLevels
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Member
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Aliases
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CanonicalAlias
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RoomName
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RoomTopic
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}
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type serializableContent Content
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func (content *Content) UnmarshalJSON(data []byte) error {
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content.VeryRaw = data
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if err := json.Unmarshal(data, &content.Raw); err != nil {
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return err
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}
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return json.Unmarshal(data, (*serializableContent)(content))
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}
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func (content *Content) UnmarshalPowerLevels() (pl PowerLevels, err error) {
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err = json.Unmarshal(content.VeryRaw, &pl)
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return
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}
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func (content *Content) UnmarshalMember() (m Member, err error) {
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err = json.Unmarshal(content.VeryRaw, &m)
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return
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}
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func (content *Content) UnmarshalAliases() (a Aliases, err error) {
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err = json.Unmarshal(content.VeryRaw, &a)
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return
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}
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func (content *Content) UnmarshalCanonicalAlias() (ca CanonicalAlias, err error) {
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err = json.Unmarshal(content.VeryRaw, &ca)
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return
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}
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func (content *Content) GetInfo() *FileInfo {
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if content.Info == nil {
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content.Info = &FileInfo{}
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}
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return content.Info
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}
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type RoomName struct {
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Name string `json:"name,omitempty"`
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}
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type RoomTopic struct {
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Topic string `json:"topic,omitempty"`
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}
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type Member struct {
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Membership string `json:"membership,omitempty"`
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AvatarURL string `json:"avatar_url,omitempty"`
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Displayname string `json:"displayname,omitempty"`
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ThirdPartyInvite *ThirdPartyInvite `json:"third_party_invite,omitempty"`
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}
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type ThirdPartyInvite struct {
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DisplayName string `json:"display_name"`
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Signed struct {
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Token string `json:"token"`
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Signatures json.RawMessage `json:"signatures"`
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MXID string `json:"mxid"`
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}
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}
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type Aliases struct {
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Aliases []string `json:"aliases,omitempty"`
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}
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type CanonicalAlias struct {
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Alias string `json:"alias,omitempty"`
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}
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type PowerLevels struct {
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usersLock sync.RWMutex `json:"-"`
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Users map[string]int `json:"users,omitempty"`
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UsersDefault int `json:"users_default,omitempty"`
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eventsLock sync.RWMutex `json:"-"`
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Events map[EventType]int `json:"events,omitempty"`
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EventsDefault int `json:"events_default,omitempty"`
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StateDefaultPtr *int `json:"state_default,omitempty"`
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InvitePtr *int `json:"invite,omitempty"`
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KickPtr *int `json:"kick,omitempty"`
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BanPtr *int `json:"ban,omitempty"`
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RedactPtr *int `json:"redact,omitempty"`
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}
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func (pl *PowerLevels) Invite() int {
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if pl.InvitePtr != nil {
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return *pl.InvitePtr
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}
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return 50
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}
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func (pl *PowerLevels) Kick() int {
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if pl.KickPtr != nil {
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return *pl.KickPtr
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}
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return 50
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}
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func (pl *PowerLevels) Ban() int {
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if pl.BanPtr != nil {
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return *pl.BanPtr
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}
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return 50
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}
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func (pl *PowerLevels) Redact() int {
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if pl.RedactPtr != nil {
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return *pl.RedactPtr
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}
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return 50
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}
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func (pl *PowerLevels) StateDefault() int {
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if pl.StateDefaultPtr != nil {
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return *pl.StateDefaultPtr
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}
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return 50
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}
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func (pl *PowerLevels) GetUserLevel(userID string) int {
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pl.usersLock.RLock()
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level, ok := pl.Users[userID]
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pl.usersLock.RUnlock()
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if !ok {
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return pl.UsersDefault
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}
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return level
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}
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func (pl *PowerLevels) SetUserLevel(userID string, level int) {
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pl.usersLock.Lock()
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if level == pl.UsersDefault {
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delete(pl.Users, userID)
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} else {
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pl.Users[userID] = level
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}
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pl.usersLock.Unlock()
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}
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func (pl *PowerLevels) EnsureUserLevel(userID string, level int) bool {
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existingLevel := pl.GetUserLevel(userID)
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if existingLevel != level {
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pl.SetUserLevel(userID, level)
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return true
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}
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return false
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}
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func (pl *PowerLevels) GetEventLevel(eventType EventType, isState bool) int {
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pl.eventsLock.RLock()
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level, ok := pl.Events[eventType]
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pl.eventsLock.RUnlock()
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if !ok {
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if isState {
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return pl.StateDefault()
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}
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return pl.EventsDefault
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}
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return level
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}
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func (pl *PowerLevels) SetEventLevel(eventType EventType, isState bool, level int) {
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pl.eventsLock.Lock()
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if (isState && level == pl.StateDefault()) || (!isState && level == pl.EventsDefault) {
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delete(pl.Events, eventType)
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} else {
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pl.Events[eventType] = level
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}
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pl.eventsLock.Unlock()
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}
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func (pl *PowerLevels) EnsureEventLevel(eventType EventType, isState bool, level int) bool {
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existingLevel := pl.GetEventLevel(eventType, isState)
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if existingLevel != level {
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pl.SetEventLevel(eventType, isState, level)
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return true
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}
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return false
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}
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type FileInfo struct {
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MimeType string `json:"mimetype,omitempty"`
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ThumbnailInfo *FileInfo `json:"thumbnail_info,omitempty"`
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ThumbnailURL string `json:"thumbnail_url,omitempty"`
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Height int `json:"h,omitempty"`
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Width int `json:"w,omitempty"`
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Duration uint `json:"duration,omitempty"`
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Size int `json:"size,omitempty"`
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}
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func (fileInfo *FileInfo) GetThumbnailInfo() *FileInfo {
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if fileInfo.ThumbnailInfo == nil {
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fileInfo.ThumbnailInfo = &FileInfo{}
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}
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return fileInfo.ThumbnailInfo
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}
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type RelatesTo struct {
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InReplyTo InReplyTo `json:"m.in_reply_to,omitempty"`
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}
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type InReplyTo struct {
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EventID string `json:"event_id,omitempty"`
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// Not required, just for future-proofing
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RoomID string `json:"room_id,omitempty"`
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}
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