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// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package model
import (
"encoding/json"
"fmt"
"io"
)
const (
WEBSOCKET_EVENT_TYPING = "typing"
WEBSOCKET_EVENT_POSTED = "posted"
WEBSOCKET_EVENT_POST_EDITED = "post_edited"
WEBSOCKET_EVENT_POST_DELETED = "post_deleted"
WEBSOCKET_EVENT_CHANNEL_DELETED = "channel_deleted"
WEBSOCKET_EVENT_CHANNEL_CREATED = "channel_created"
WEBSOCKET_EVENT_CHANNEL_UPDATED = "channel_updated"
WEBSOCKET_EVENT_CHANNEL_MEMBER_UPDATED = "channel_member_updated"
WEBSOCKET_EVENT_DIRECT_ADDED = "direct_added"
WEBSOCKET_EVENT_GROUP_ADDED = "group_added"
WEBSOCKET_EVENT_NEW_USER = "new_user"
WEBSOCKET_EVENT_ADDED_TO_TEAM = "added_to_team"
WEBSOCKET_EVENT_LEAVE_TEAM = "leave_team"
WEBSOCKET_EVENT_UPDATE_TEAM = "update_team"
WEBSOCKET_EVENT_DELETE_TEAM = "delete_team"
WEBSOCKET_EVENT_USER_ADDED = "user_added"
WEBSOCKET_EVENT_USER_UPDATED = "user_updated"
WEBSOCKET_EVENT_USER_ROLE_UPDATED = "user_role_updated"
WEBSOCKET_EVENT_MEMBERROLE_UPDATED = "memberrole_updated"
WEBSOCKET_EVENT_USER_REMOVED = "user_removed"
WEBSOCKET_EVENT_PREFERENCE_CHANGED = "preference_changed"
WEBSOCKET_EVENT_PREFERENCES_CHANGED = "preferences_changed"
WEBSOCKET_EVENT_PREFERENCES_DELETED = "preferences_deleted"
WEBSOCKET_EVENT_EPHEMERAL_MESSAGE = "ephemeral_message"
WEBSOCKET_EVENT_STATUS_CHANGE = "status_change"
WEBSOCKET_EVENT_HELLO = "hello"
WEBSOCKET_EVENT_WEBRTC = "webrtc"
WEBSOCKET_AUTHENTICATION_CHALLENGE = "authentication_challenge"
WEBSOCKET_EVENT_REACTION_ADDED = "reaction_added"
WEBSOCKET_EVENT_REACTION_REMOVED = "reaction_removed"
WEBSOCKET_EVENT_RESPONSE = "response"
WEBSOCKET_EVENT_EMOJI_ADDED = "emoji_added"
WEBSOCKET_EVENT_CHANNEL_VIEWED = "channel_viewed"
WEBSOCKET_EVENT_PLUGIN_ACTIVATED = "plugin_activated" // EXPERIMENTAL - SUBJECT TO CHANGE
WEBSOCKET_EVENT_PLUGIN_DEACTIVATED = "plugin_deactivated" // EXPERIMENTAL - SUBJECT TO CHANGE
WEBSOCKET_EVENT_ROLE_UPDATED = "role_updated"
WEBSOCKET_EVENT_LICENSE_CHANGED = "license_changed"
WEBSOCKET_EVENT_CONFIG_CHANGED = "config_changed"
)
type WebSocketMessage interface {
ToJson() string
IsValid() bool
EventType() string
}
type WebsocketBroadcast struct {
OmitUsers map[string]bool `json:"omit_users"` // broadcast is omitted for users listed here
UserId string `json:"user_id"` // broadcast only occurs for this user
ChannelId string `json:"channel_id"` // broadcast only occurs for users in this channel
TeamId string `json:"team_id"` // broadcast only occurs for users in this team
ContainsSanitizedData bool `json:"-"`
ContainsSensitiveData bool `json:"-"`
}
type precomputedWebSocketEventJSON struct {
Event json.RawMessage
Data json.RawMessage
Broadcast json.RawMessage
}
type WebSocketEvent struct {
Event string `json:"event"`
Data map[string]interface{} `json:"data"`
Broadcast *WebsocketBroadcast `json:"broadcast"`
Sequence int64 `json:"seq"`
precomputedJSON *precomputedWebSocketEventJSON
}
// PrecomputeJSON precomputes and stores the serialized JSON for all fields other than Sequence.
// This makes ToJson much more efficient when sending the same event to multiple connections.
func (m *WebSocketEvent) PrecomputeJSON() {
event, _ := json.Marshal(m.Event)
data, _ := json.Marshal(m.Data)
broadcast, _ := json.Marshal(m.Broadcast)
m.precomputedJSON = &precomputedWebSocketEventJSON{
Event: json.RawMessage(event),
Data: json.RawMessage(data),
Broadcast: json.RawMessage(broadcast),
}
}
func (m *WebSocketEvent) Add(key string, value interface{}) {
m.Data[key] = value
}
func NewWebSocketEvent(event, teamId, channelId, userId string, omitUsers map[string]bool) *WebSocketEvent {
return &WebSocketEvent{Event: event, Data: make(map[string]interface{}),
Broadcast: &WebsocketBroadcast{TeamId: teamId, ChannelId: channelId, UserId: userId, OmitUsers: omitUsers}}
}
func (o *WebSocketEvent) IsValid() bool {
return o.Event != ""
}
func (o *WebSocketEvent) EventType() string {
return o.Event
}
func (o *WebSocketEvent) ToJson() string {
if o.precomputedJSON != nil {
return fmt.Sprintf(`{"event": %s, "data": %s, "broadcast": %s, "seq": %d}`, o.precomputedJSON.Event, o.precomputedJSON.Data, o.precomputedJSON.Broadcast, o.Sequence)
}
b, _ := json.Marshal(o)
return string(b)
}
func WebSocketEventFromJson(data io.Reader) *WebSocketEvent {
var o *WebSocketEvent
json.NewDecoder(data).Decode(&o)
return o
}
type WebSocketResponse struct {
Status string `json:"status"`
SeqReply int64 `json:"seq_reply,omitempty"`
Data map[string]interface{} `json:"data,omitempty"`
Error *AppError `json:"error,omitempty"`
}
func (m *WebSocketResponse) Add(key string, value interface{}) {
m.Data[key] = value
}
func NewWebSocketResponse(status string, seqReply int64, data map[string]interface{}) *WebSocketResponse {
return &WebSocketResponse{Status: status, SeqReply: seqReply, Data: data}
}
func NewWebSocketError(seqReply int64, err *AppError) *WebSocketResponse {
return &WebSocketResponse{Status: STATUS_FAIL, SeqReply: seqReply, Error: err}
}
func (o *WebSocketResponse) IsValid() bool {
return o.Status != ""
}
func (o *WebSocketResponse) EventType() string {
return WEBSOCKET_EVENT_RESPONSE
}
func (o *WebSocketResponse) ToJson() string {
b, _ := json.Marshal(o)
return string(b)
}
func WebSocketResponseFromJson(data io.Reader) *WebSocketResponse {
var o *WebSocketResponse
json.NewDecoder(data).Decode(&o)
return o
}
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