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120 changes: 120 additions & 0 deletions
120
Sources/ElevenLabs/Internal/Conversation/ChatHistoryReconciler.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| struct ChatHistoryReconciler { | ||
| private(set) var items: [any ChatHistoryItem] = [] | ||
|
|
||
| mutating func appendUserMessage(_ content: String) { | ||
| items.append(Message( | ||
| role: .user, | ||
| content: content, | ||
| isFinal: true | ||
| )) | ||
| } | ||
|
|
||
| mutating func receive(_ event: TentativeUserTranscriptEvent) { | ||
| removeTentativeUserMessages() | ||
| items.append(Message( | ||
| role: .user, | ||
| content: event.transcript, | ||
| isFinal: false, | ||
| eventId: event.eventId | ||
| )) | ||
| } | ||
|
|
||
| mutating func receive(_ event: UserTranscriptEvent) { | ||
| if let index = items.firstIndex(where: { | ||
| $0.message?.role == .user | ||
| && $0.message?.eventId == event.eventId | ||
| }) { | ||
| updateMessage(at: index) { | ||
| $0.content = event.transcript | ||
| $0.isFinal = true | ||
| } | ||
| return | ||
| } | ||
|
|
||
| removeTentativeUserMessages() | ||
| items.append(Message( | ||
| role: .user, | ||
| content: event.transcript, | ||
| isFinal: true, | ||
| eventId: event.eventId | ||
| )) | ||
| } | ||
|
cursor[bot] marked this conversation as resolved.
|
||
|
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| mutating func receive(_ event: AgentChatResponsePartEvent) { | ||
| let isEnd = event.type == .stop | ||
| if let index = items.firstIndex(where: { $0.id == event.responseId }) { | ||
| updateMessage(at: index) { | ||
| guard !$0.isFinal else { return } | ||
| $0.content += event.text | ||
| $0.isFinal = isEnd | ||
| } | ||
| return | ||
| } | ||
|
|
||
| items.append(Message( | ||
| role: .agent, | ||
| content: event.text, | ||
| isFinal: isEnd, | ||
| eventId: event.eventId, | ||
| responseId: event.responseId | ||
| )) | ||
| } | ||
|
|
||
| mutating func receive(_ event: AgentResponseEvent) { | ||
| upsertAgentMessage( | ||
| responseId: event.responseId, | ||
| eventId: event.eventId, | ||
| content: event.response | ||
| ) | ||
| } | ||
|
|
||
| mutating func receive(_ event: AgentResponseCorrectionEvent) { | ||
| upsertAgentMessage( | ||
| responseId: event.responseId, | ||
| eventId: event.eventId, | ||
| content: event.correctedAgentResponse | ||
| ) | ||
| } | ||
|
|
||
| mutating func receive(_ event: AgentToolResponseEvent) { | ||
| guard !items.contains(where: { | ||
| $0.toolCall?.toolCallId == event.toolCallId | ||
| }) else { return } | ||
| items.append(ConversationToolCall( | ||
| toolCallId: event.toolCallId, | ||
| toolName: event.toolName | ||
| )) | ||
| } | ||
|
|
||
| private mutating func upsertAgentMessage(responseId: String, eventId: Int, content: String) { | ||
| if let index = items.firstIndex(where: { $0.id == responseId }) { | ||
| updateMessage(at: index) { | ||
| $0.content = content | ||
| $0.isFinal = true | ||
| $0.eventId = eventId | ||
| } | ||
| } else { | ||
| items.append(Message( | ||
| role: .agent, | ||
| content: content, | ||
| isFinal: true, | ||
| eventId: eventId, | ||
| responseId: responseId | ||
| )) | ||
| } | ||
| } | ||
|
|
||
| private mutating func updateMessage(at index: Int, update: (inout Message) -> Void) { | ||
| guard var message = items[index] as? Message else { return } | ||
| update(&message) | ||
| items[index] = message | ||
| } | ||
|
|
||
| private mutating func removeTentativeUserMessages() { | ||
| items.removeAll { | ||
| guard let message = $0.message else { return false } | ||
| return message.role == .user | ||
| && !message.isFinal | ||
| } | ||
| } | ||
| } | ||
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