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fix/standardize-pubsub-events #127

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fix/standardize-pubsub-events #127

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27 changes: 27 additions & 0 deletions pkg/pubsub/events.go
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Original file line number Diff line number Diff line change
@@ -1,5 +1,9 @@
package pubsub

import (
"fmt"
)

type EventType int

const (
Expand All @@ -19,6 +23,11 @@ const (
Private RoomVisibility = "private"
)

const (
roomIDKey = "roomID"
userIDKey = "userID"
)

type Event struct {
Type EventType `json:"type"`
Params map[string]interface{} `json:"params"`
Expand Down Expand Up @@ -72,3 +81,21 @@ func NewRoomLeftEvent(room, user int) Event {
Params: map[string]interface{}{"id": room, "creator": user},
}
}

func (e Event) GetUserID() (int, error) {
id, ok := e.Params[userIDKey].(float64)
if !ok {
return 0, fmt.Errorf("invalid field \"%s\"", userIDKey)
}

return int(id), nil
}

func (e Event) GetRoomID() (int, error) {
id, ok := e.Params[roomIDKey].(float64)
if !ok {
return 0, fmt.Errorf("invalid field \"%s\"", roomIDKey)
}

return int(id), nil
}