File size: 16,215 Bytes
a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 bbe4eea a8aec61 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 |
import { useCallback } from 'react'
import { APIRoutes } from '@/api/routes'
import useChatActions from '@/hooks/useChatActions'
import { useStore } from '../store'
import { RunEvent, RunResponseContent, type RunResponse } from '@/types/os'
import { constructEndpointUrl } from '@/lib/constructEndpointUrl'
import useAIResponseStream from './useAIResponseStream'
import { ToolCall } from '@/types/os'
import { useQueryState } from 'nuqs'
import { getJsonMarkdown } from '@/lib/utils'
const useAIChatStreamHandler = () => {
const setMessages = useStore((state) => state.setMessages)
const { addMessage, focusChatInput } = useChatActions()
const [agentId] = useQueryState('agent')
const [teamId] = useQueryState('team')
const [sessionId, setSessionId] = useQueryState('session')
const selectedEndpoint = useStore((state) => state.selectedEndpoint)
const mode = useStore((state) => state.mode)
const setStreamingErrorMessage = useStore(
(state) => state.setStreamingErrorMessage
)
const setIsStreaming = useStore((state) => state.setIsStreaming)
const setSessionsData = useStore((state) => state.setSessionsData)
const { streamResponse } = useAIResponseStream()
const updateMessagesWithErrorState = useCallback(() => {
setMessages((prevMessages) => {
const newMessages = [...prevMessages]
const lastMessage = newMessages[newMessages.length - 1]
if (lastMessage && lastMessage.role === 'agent') {
lastMessage.streamingError = true
}
return newMessages
})
}, [setMessages])
/**
* Processes a new tool call and adds it to the message
* @param toolCall - The tool call to add
* @param prevToolCalls - The previous tool calls array
* @returns Updated tool calls array
*/
const processToolCall = useCallback(
(toolCall: ToolCall, prevToolCalls: ToolCall[] = []) => {
const toolCallId =
toolCall.tool_call_id || `${toolCall.tool_name}-${toolCall.created_at}`
const existingToolCallIndex = prevToolCalls.findIndex(
(tc) =>
(tc.tool_call_id && tc.tool_call_id === toolCall.tool_call_id) ||
(!tc.tool_call_id &&
toolCall.tool_name &&
toolCall.created_at &&
`${tc.tool_name}-${tc.created_at}` === toolCallId)
)
if (existingToolCallIndex >= 0) {
const updatedToolCalls = [...prevToolCalls]
updatedToolCalls[existingToolCallIndex] = {
...updatedToolCalls[existingToolCallIndex],
...toolCall
}
return updatedToolCalls
} else {
return [...prevToolCalls, toolCall]
}
},
[]
)
/**
* Processes tool calls from a chunk, handling both single tool object and tools array formats
* @param chunk - The chunk containing tool call data
* @param existingToolCalls - The existing tool calls array
* @returns Updated tool calls array
*/
const processChunkToolCalls = useCallback(
(
chunk: RunResponseContent | RunResponse,
existingToolCalls: ToolCall[] = []
) => {
let updatedToolCalls = [...existingToolCalls]
// Handle new single tool object format
if (chunk.tool) {
updatedToolCalls = processToolCall(chunk.tool, updatedToolCalls)
}
// Handle legacy tools array format
if (chunk.tools && chunk.tools.length > 0) {
for (const toolCall of chunk.tools) {
updatedToolCalls = processToolCall(toolCall, updatedToolCalls)
}
}
return updatedToolCalls
},
[processToolCall]
)
const handleStreamResponse = useCallback(
async (input: string | FormData) => {
setIsStreaming(true)
const formData = input instanceof FormData ? input : new FormData()
if (typeof input === 'string') {
formData.append('message', input)
}
setMessages((prevMessages) => {
if (prevMessages.length >= 2) {
const lastMessage = prevMessages[prevMessages.length - 1]
const secondLastMessage = prevMessages[prevMessages.length - 2]
if (
lastMessage.role === 'agent' &&
lastMessage.streamingError &&
secondLastMessage.role === 'user'
) {
return prevMessages.slice(0, -2)
}
}
return prevMessages
})
addMessage({
role: 'user',
content: formData.get('message') as string,
created_at: Math.floor(Date.now() / 1000)
})
addMessage({
role: 'agent',
content: '',
tool_calls: [],
streamingError: false,
created_at: Math.floor(Date.now() / 1000) + 1
})
let lastContent = ''
let newSessionId = sessionId
try {
const endpointUrl = constructEndpointUrl(selectedEndpoint)
let RunUrl: string | null = null
if (mode === 'team' && teamId) {
RunUrl = APIRoutes.TeamRun(endpointUrl, teamId)
} else if (mode === 'agent' && agentId) {
RunUrl = APIRoutes.AgentRun(endpointUrl).replace(
'{agent_id}',
agentId
)
}
if (!RunUrl) {
updateMessagesWithErrorState()
setStreamingErrorMessage('Please select an agent or team first.')
setIsStreaming(false)
return
}
formData.append('stream', 'true')
formData.append('session_id', sessionId ?? '')
await streamResponse({
apiUrl: RunUrl,
requestBody: formData,
onChunk: (chunk: RunResponse) => {
if (
chunk.event === RunEvent.RunStarted ||
chunk.event === RunEvent.TeamRunStarted ||
chunk.event === RunEvent.ReasoningStarted ||
chunk.event === RunEvent.TeamReasoningStarted
) {
newSessionId = chunk.session_id as string
setSessionId(chunk.session_id as string)
if (
(!sessionId || sessionId !== chunk.session_id) &&
chunk.session_id
) {
const sessionData = {
session_id: chunk.session_id as string,
session_name: formData.get('message') as string,
created_at: chunk.created_at
}
setSessionsData((prevSessionsData) => {
const sessionExists = prevSessionsData?.some(
(session) => session.session_id === chunk.session_id
)
if (sessionExists) {
return prevSessionsData
}
return [sessionData, ...(prevSessionsData ?? [])]
})
}
} else if (
chunk.event === RunEvent.ToolCallStarted ||
chunk.event === RunEvent.TeamToolCallStarted ||
chunk.event === RunEvent.ToolCallCompleted ||
chunk.event === RunEvent.TeamToolCallCompleted
) {
setMessages((prevMessages) => {
const newMessages = [...prevMessages]
const lastMessage = newMessages[newMessages.length - 1]
if (lastMessage && lastMessage.role === 'agent') {
lastMessage.tool_calls = processChunkToolCalls(
chunk,
lastMessage.tool_calls
)
}
return newMessages
})
} else if (
chunk.event === RunEvent.RunContent ||
chunk.event === RunEvent.TeamRunContent
) {
setMessages((prevMessages) => {
const newMessages = [...prevMessages]
const lastMessage = newMessages[newMessages.length - 1]
if (
lastMessage &&
lastMessage.role === 'agent' &&
typeof chunk.content === 'string'
) {
const uniqueContent = chunk.content.replace(lastContent, '')
lastMessage.content += uniqueContent
lastContent = chunk.content
// Handle tool calls streaming
lastMessage.tool_calls = processChunkToolCalls(
chunk,
lastMessage.tool_calls
)
if (chunk.extra_data?.reasoning_steps) {
lastMessage.extra_data = {
...lastMessage.extra_data,
reasoning_steps: chunk.extra_data.reasoning_steps
}
}
if (chunk.extra_data?.references) {
lastMessage.extra_data = {
...lastMessage.extra_data,
references: chunk.extra_data.references
}
}
lastMessage.created_at =
chunk.created_at ?? lastMessage.created_at
if (chunk.images) {
lastMessage.images = chunk.images
}
if (chunk.videos) {
lastMessage.videos = chunk.videos
}
if (chunk.audio) {
lastMessage.audio = chunk.audio
}
} else if (
lastMessage &&
lastMessage.role === 'agent' &&
typeof chunk?.content !== 'string' &&
chunk.content !== null
) {
const jsonBlock = getJsonMarkdown(chunk?.content)
lastMessage.content += jsonBlock
lastContent = jsonBlock
} else if (
chunk.response_audio?.transcript &&
typeof chunk.response_audio?.transcript === 'string'
) {
const transcript = chunk.response_audio.transcript
lastMessage.response_audio = {
...lastMessage.response_audio,
transcript:
lastMessage.response_audio?.transcript + transcript
}
}
return newMessages
})
} else if (
chunk.event === RunEvent.ReasoningStep ||
chunk.event === RunEvent.TeamReasoningStep
) {
setMessages((prevMessages) => {
const newMessages = [...prevMessages]
const lastMessage = newMessages[newMessages.length - 1]
if (lastMessage && lastMessage.role === 'agent') {
const existingSteps =
lastMessage.extra_data?.reasoning_steps ?? []
const incomingSteps = chunk.extra_data?.reasoning_steps ?? []
lastMessage.extra_data = {
...lastMessage.extra_data,
reasoning_steps: [...existingSteps, ...incomingSteps]
}
}
return newMessages
})
} else if (
chunk.event === RunEvent.ReasoningCompleted ||
chunk.event === RunEvent.TeamReasoningCompleted
) {
setMessages((prevMessages) => {
const newMessages = [...prevMessages]
const lastMessage = newMessages[newMessages.length - 1]
if (lastMessage && lastMessage.role === 'agent') {
if (chunk.extra_data?.reasoning_steps) {
lastMessage.extra_data = {
...lastMessage.extra_data,
reasoning_steps: chunk.extra_data.reasoning_steps
}
}
}
return newMessages
})
} else if (
chunk.event === RunEvent.RunError ||
chunk.event === RunEvent.TeamRunError ||
chunk.event === RunEvent.TeamRunCancelled
) {
updateMessagesWithErrorState()
const errorContent =
(chunk.content as string) ||
(chunk.event === RunEvent.TeamRunCancelled
? 'Run cancelled'
: 'Error during run')
setStreamingErrorMessage(errorContent)
if (newSessionId) {
setSessionsData(
(prevSessionsData) =>
prevSessionsData?.filter(
(session) => session.session_id !== newSessionId
) ?? null
)
}
} else if (
chunk.event === RunEvent.UpdatingMemory ||
chunk.event === RunEvent.TeamMemoryUpdateStarted ||
chunk.event === RunEvent.TeamMemoryUpdateCompleted
) {
// No-op for now; could surface a lightweight UI indicator in the future
} else if (
chunk.event === RunEvent.RunCompleted ||
chunk.event === RunEvent.TeamRunCompleted
) {
setMessages((prevMessages) => {
const newMessages = prevMessages.map((message, index) => {
if (
index === prevMessages.length - 1 &&
message.role === 'agent'
) {
let updatedContent: string
if (typeof chunk.content === 'string') {
updatedContent = chunk.content
} else {
try {
updatedContent = JSON.stringify(chunk.content)
} catch {
updatedContent = 'Error parsing response'
}
}
return {
...message,
content: updatedContent,
tool_calls: processChunkToolCalls(
chunk,
message.tool_calls
),
images: chunk.images ?? message.images,
videos: chunk.videos ?? message.videos,
response_audio: chunk.response_audio,
created_at: chunk.created_at ?? message.created_at,
extra_data: {
reasoning_steps:
chunk.extra_data?.reasoning_steps ??
message.extra_data?.reasoning_steps,
references:
chunk.extra_data?.references ??
message.extra_data?.references
}
}
}
return message
})
return newMessages
})
}
},
onError: (error) => {
updateMessagesWithErrorState()
setStreamingErrorMessage(error.message)
if (newSessionId) {
setSessionsData(
(prevSessionsData) =>
prevSessionsData?.filter(
(session) => session.session_id !== newSessionId
) ?? null
)
}
},
onComplete: () => {}
})
} catch (error) {
updateMessagesWithErrorState()
setStreamingErrorMessage(
error instanceof Error ? error.message : String(error)
)
if (newSessionId) {
setSessionsData(
(prevSessionsData) =>
prevSessionsData?.filter(
(session) => session.session_id !== newSessionId
) ?? null
)
}
} finally {
focusChatInput()
setIsStreaming(false)
}
},
[
setMessages,
addMessage,
updateMessagesWithErrorState,
selectedEndpoint,
streamResponse,
agentId,
teamId,
mode,
setStreamingErrorMessage,
setIsStreaming,
focusChatInput,
setSessionsData,
sessionId,
setSessionId,
processChunkToolCalls
]
)
return { handleStreamResponse }
}
export default useAIChatStreamHandler
|