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Kyle Carberry
43 lines
1.4 KiB
Go
43 lines
1.4 KiB
Go
package pubsub
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import (
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"fmt"
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"github.com/google/uuid"
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)
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// ChatStreamNotifyChannel returns the pubsub channel for per-chat
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// stream notifications. Subscribers receive lightweight notifications
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// and read actual content from the database.
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func ChatStreamNotifyChannel(chatID uuid.UUID) string {
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return fmt.Sprintf("chat:stream:%s", chatID)
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}
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// ChatStreamNotifyMessage is the payload published on the per-chat
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// stream notification channel. The actual message content is read
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// from the database by subscribers.
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type ChatStreamNotifyMessage struct {
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// AfterMessageID tells subscribers to query messages after this
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// ID. Set when a new message is persisted.
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AfterMessageID int64 `json:"after_message_id,omitempty"`
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// Status is set when the chat status changes. Subscribers use
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// this to update clients and to manage relay lifecycle.
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Status string `json:"status,omitempty"`
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// WorkerID identifies which replica is running the chat. Used
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// by enterprise relay to know where to connect.
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WorkerID string `json:"worker_id,omitempty"`
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// Error is set when a processing error occurs.
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Error string `json:"error,omitempty"`
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// QueueUpdate is set when the queued messages change.
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QueueUpdate bool `json:"queue_update,omitempty"`
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// FullRefresh signals that subscribers should re-fetch all
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// messages from the beginning (e.g. after an edit that
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// truncates message history).
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FullRefresh bool `json:"full_refresh,omitempty"`
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}
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