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package stream
import "sync"
// EventType models a type of stream event.
type EventType string
const (
// EventTypeNotification -- a user should be shown a notification
EventTypeNotification EventType = "notification"
// EventTypeUpdate -- a user should be shown an update in their timeline
EventTypeUpdate EventType = "update"
// EventTypeDelete -- something should be deleted from a user
EventTypeDelete EventType = "delete"
)
// StreamsForAccount is a wrapper for the multiple streams that one account can have running at the same time.
// TODO: put a limit on this
type StreamsForAccount struct {
// The currently held streams for this account
Streams []*Stream
// Mutex to lock/unlock when modifying the slice of streams.
sync.Mutex
}
// Stream represents one open stream for a client.
type Stream struct {
// ID of this stream, generated during creation.
ID string
// Type of this stream: user/public/etc
Type string
// Channel of messages for the client to read from
Messages chan *Message
// Channel to close when the client drops away
Hangup chan interface{}
// Only put messages in the stream when Connected
Connected bool
// Mutex to lock/unlock when inserting messages, hanging up, changing the connected state etc.
sync.Mutex
}
// Message represents one streamed message.
type Message struct {
// All the stream types this message should be delivered to.
Stream []string `json:"stream"`
// The event type of the message (update/delete/notification etc)
Event string `json:"event"`
// The actual payload of the message. In case of an update or notification, this will be a JSON string.
Payload string `json:"payload"`
}
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