453 lines
16 KiB
TypeScript
453 lines
16 KiB
TypeScript
import { For, Show, createSignal } from "solid-js"
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import { Copy, Split, Trash2, Undo } from "lucide-solid"
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import type { MessageInfo, ClientPart } from "../types/message"
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import { partHasRenderableText } from "../types/message"
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import type { MessageRecord } from "../stores/message-v2/types"
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import MessagePart from "./message-part"
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import { copyToClipboard } from "../lib/clipboard"
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import { useI18n } from "../lib/i18n"
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import { showAlertDialog } from "../stores/alerts"
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import { deleteMessagePart } from "../stores/session-actions"
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interface MessageItemProps {
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record: MessageRecord
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messageInfo?: MessageInfo
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instanceId: string
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sessionId: string
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isQueued?: boolean
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parts: ClientPart[]
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onRevert?: (messageId: string) => void
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onFork?: (messageId?: string) => void
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showAgentMeta?: boolean
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onContentRendered?: () => void
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}
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export default function MessageItem(props: MessageItemProps) {
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const { t } = useI18n()
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const [copied, setCopied] = createSignal(false)
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const [deletingParts, setDeletingParts] = createSignal<Set<string>>(new Set())
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const isUser = () => props.record.role === "user"
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const createdTimestamp = () => props.messageInfo?.time?.created ?? props.record.createdAt
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const timestamp = () => {
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const date = new Date(createdTimestamp())
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return date.toLocaleTimeString([], { hour: "2-digit", minute: "2-digit" })
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}
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const timestampIso = () => new Date(createdTimestamp()).toISOString()
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type FilePart = Extract<ClientPart, { type: "file" }> & {
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url?: string
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mime?: string
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filename?: string
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}
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const messageParts = () => props.parts
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const fileAttachments = () =>
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messageParts().filter((part): part is FilePart => part?.type === "file" && typeof (part as FilePart).url === "string")
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const getAttachmentName = (part: FilePart) => {
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if (part.filename && part.filename.trim().length > 0) {
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return part.filename
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}
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const url = part.url || ""
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if (url.startsWith("data:")) {
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return t("messageItem.attachment.defaultName")
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}
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try {
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const parsed = new URL(url)
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const segments = parsed.pathname.split("/")
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return segments.pop() || t("messageItem.attachment.defaultName")
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} catch (error) {
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const fallback = url.split("/").pop()
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return fallback && fallback.length > 0 ? fallback : t("messageItem.attachment.defaultName")
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}
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}
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const isImageAttachment = (part: FilePart) => {
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if (part.mime && typeof part.mime === "string" && part.mime.startsWith("image/")) {
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return true
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}
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return typeof part.url === "string" && part.url.startsWith("data:image/")
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}
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const handleAttachmentDownload = async (part: FilePart) => {
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const url = part.url
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if (!url) return
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const filename = getAttachmentName(part)
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const directDownload = (href: string) => {
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const anchor = document.createElement("a")
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anchor.href = href
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anchor.download = filename
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anchor.target = "_blank"
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anchor.rel = "noopener"
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document.body.appendChild(anchor)
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anchor.click()
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document.body.removeChild(anchor)
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}
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if (url.startsWith("data:")) {
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directDownload(url)
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return
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}
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if (url.startsWith("file://")) {
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window.open(url, "_blank", "noopener")
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return
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}
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try {
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const response = await fetch(url)
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if (!response.ok) throw new Error(`Failed to fetch attachment: ${response.status}`)
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const blob = await response.blob()
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const objectUrl = URL.createObjectURL(blob)
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directDownload(objectUrl)
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URL.revokeObjectURL(objectUrl)
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} catch (error) {
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directDownload(url)
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}
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}
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const errorMessage = () => {
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const info = props.messageInfo
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if (!info || info.role !== "assistant" || !info.error) return null
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const error = info.error
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if (error.name === "ProviderAuthError") {
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return error.data?.message || t("messageItem.errors.authenticationFallback")
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}
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if (error.name === "MessageOutputLengthError") {
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return t("messageItem.errors.outputLengthExceeded")
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}
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if (error.name === "MessageAbortedError") {
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return t("messageItem.errors.requestAborted")
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}
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if (error.name === "UnknownError") {
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return error.data?.message || t("messageItem.errors.unknownFallback")
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}
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return null
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}
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const hasContent = () => {
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if (errorMessage() !== null) {
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return true
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}
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return messageParts().some((part) => partHasRenderableText(part))
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}
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const isGenerating = () => {
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if (hasContent()) {
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return false
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}
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// Prefer the local record status for streaming placeholders.
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if (!isUser() && props.record.status === "streaming") {
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return true
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}
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const info = props.messageInfo
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return Boolean(info && info.role === "assistant" && info.time.completed !== undefined && info.time.completed === 0)
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}
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const handleRevert = () => {
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if (props.onRevert && isUser()) {
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props.onRevert(props.record.id)
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}
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}
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const copyLabel = () => (copied() ? t("messageItem.actions.copied") : t("messageItem.actions.copy"))
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const getRawContent = () => {
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return props.parts
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.filter(part => part.type === "text")
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.map(part => (part as { text?: string }).text || "")
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.filter(text => text.trim().length > 0)
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.join("\n\n")
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}
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const handleCopy = async () => {
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const content = getRawContent()
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if (!content) return
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const success = await copyToClipboard(content)
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setCopied(success)
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setTimeout(() => setCopied(false), 2000)
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}
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const deletableTextPartId = () => {
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const part = props.parts.find((candidate) => {
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if (!candidate || candidate.type !== "text") return false
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const id = (candidate as any).id
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if (typeof id !== "string" || id.length === 0) return false
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return !Boolean((candidate as any).synthetic)
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})
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return (part as any)?.id as string | undefined
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}
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const isDeletingPart = (partId?: string) => {
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if (!partId) return false
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return deletingParts().has(partId)
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}
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const setPartDeleting = (partId: string, value: boolean) => {
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setDeletingParts((prev) => {
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const next = new Set(prev)
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if (value) {
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next.add(partId)
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} else {
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next.delete(partId)
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}
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return next
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})
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}
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const handleDeletePart = async (partId?: string) => {
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if (!partId) return
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if (isDeletingPart(partId)) return
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setPartDeleting(partId, true)
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try {
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await deleteMessagePart(props.instanceId, props.sessionId, props.record.id, partId)
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} catch (error) {
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showAlertDialog(t("messagePart.actions.deleteFailedMessage"), {
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title: t("messagePart.actions.deleteFailedTitle"),
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detail: error instanceof Error ? error.message : String(error),
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variant: "error",
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})
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} finally {
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setPartDeleting(partId, false)
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}
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}
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if (!isUser() && !hasContent() && !isGenerating()) {
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return null
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}
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const containerClass = () =>
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isUser()
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? "message-item-base bg-[var(--message-user-bg)] border-l-4 border-[var(--message-user-border)]"
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: "message-item-base assistant-message bg-[var(--message-assistant-bg)] border-l-4 border-[var(--message-assistant-border)]"
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const speakerLabel = () => (isUser() ? t("messageItem.speaker.you") : t("messageItem.speaker.assistant"))
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const agentIdentifier = () => {
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if (isUser()) return ""
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const info = props.messageInfo
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if (!info || info.role !== "assistant") return ""
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return info.mode || ""
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}
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const modelIdentifier = () => {
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if (isUser()) return ""
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const info = props.messageInfo
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if (!info || info.role !== "assistant") return ""
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const modelID = info.modelID || ""
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const providerID = info.providerID || ""
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if (modelID && providerID) return `${providerID}/${modelID}`
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return modelID
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}
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const agentMeta = () => {
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if (isUser() || !props.showAgentMeta) return ""
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const segments: string[] = []
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const agent = agentIdentifier()
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const model = modelIdentifier()
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if (agent) {
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segments.push(t("messageItem.agentMeta.agentLabel", { agent }))
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}
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if (model) {
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segments.push(t("messageItem.agentMeta.modelLabel", { model }))
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}
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return segments.join(" • ")
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}
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return (
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<div class={containerClass()}>
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<header class={`message-item-header ${isUser() ? "pb-0.5" : "pb-0"}`}>
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<div class="message-speaker">
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<span class="message-speaker-label" data-role={isUser() ? "user" : "assistant"}>
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{speakerLabel()}
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</span>
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<Show when={agentMeta()}>{(meta) => <span class="message-agent-meta">{meta()}</span>}</Show>
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</div>
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<div class="message-item-actions">
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<Show when={isUser()}>
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<div class="message-action-group">
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<Show when={props.onRevert}>
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<button
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class="message-action-button"
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onClick={handleRevert}
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title={t("messageItem.actions.revert")}
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aria-label={t("messageItem.actions.revert")}
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>
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<Undo class="w-3.5 h-3.5" aria-hidden="true" />
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</button>
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</Show>
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<Show when={props.onFork}>
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<button
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class="message-action-button"
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onClick={() => props.onFork?.(props.record.id)}
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title={t("messageItem.actions.fork")}
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aria-label={t("messageItem.actions.fork")}
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>
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<Split class="w-3.5 h-3.5" aria-hidden="true" />
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</button>
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</Show>
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<button
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class="message-action-button"
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onClick={handleCopy}
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title={copyLabel()}
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aria-label={copyLabel()}
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>
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<Copy class="w-3.5 h-3.5" aria-hidden="true" />
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</button>
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<Show when={deletableTextPartId()}>
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{(partId) => (
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<button
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class="message-action-button"
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onClick={() => void handleDeletePart(partId())}
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disabled={isDeletingPart(partId())}
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title={isDeletingPart(partId()) ? t("messagePart.actions.deleting") : t("messagePart.actions.delete")}
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aria-label={isDeletingPart(partId()) ? t("messagePart.actions.deleting") : t("messagePart.actions.delete")}
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>
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<Trash2 class="w-3.5 h-3.5" aria-hidden="true" />
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</button>
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)}
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</Show>
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</div>
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</Show>
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<Show when={!isUser()}>
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<div class="message-action-group">
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<button
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class="message-action-button"
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onClick={handleCopy}
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title={copyLabel()}
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aria-label={copyLabel()}
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>
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<Copy class="w-3.5 h-3.5" aria-hidden="true" />
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</button>
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<Show when={deletableTextPartId()}>
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{(partId) => (
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<button
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class="message-action-button"
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onClick={() => void handleDeletePart(partId())}
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disabled={isDeletingPart(partId())}
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title={isDeletingPart(partId()) ? t("messagePart.actions.deleting") : t("messagePart.actions.delete")}
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aria-label={isDeletingPart(partId()) ? t("messagePart.actions.deleting") : t("messagePart.actions.delete")}
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>
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<Trash2 class="w-3.5 h-3.5" aria-hidden="true" />
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</button>
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)}
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</Show>
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</div>
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</Show>
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<time class="message-timestamp" dateTime={timestampIso()}>{timestamp()}</time>
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</div>
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</header>
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<div class="pt-1 whitespace-pre-wrap break-words leading-[1.1]">
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<Show when={props.isQueued && isUser()}>
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<div class="message-queued-badge">{t("messageItem.status.queued")}</div>
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</Show>
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<Show when={errorMessage()}>
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<div class="message-error-block">⚠️ {errorMessage()}</div>
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</Show>
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<Show when={isGenerating()}>
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<div class="message-generating">
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<span class="generating-spinner">⏳</span> {t("messageItem.status.generating")}
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</div>
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</Show>
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<For each={messageParts()}>
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{(part) => (
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<MessagePart
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part={part}
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messageType={props.record.role}
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instanceId={props.instanceId}
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sessionId={props.sessionId}
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onRendered={props.onContentRendered}
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/>
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)}
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</For>
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<Show when={fileAttachments().length > 0}>
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<div class="message-attachments mt-1">
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<For each={fileAttachments()}>
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{(attachment) => {
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const name = getAttachmentName(attachment)
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const isImage = isImageAttachment(attachment)
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return (
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<div class={`attachment-chip ${isImage ? "attachment-chip-image" : ""}`} title={name}>
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<Show when={isImage} fallback={
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<svg class="h-3 w-3" fill="none" viewBox="0 0 24 24" stroke="currentColor">
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<path
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stroke-linecap="round"
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stroke-linejoin="round"
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stroke-width="2"
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d="M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2"
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/>
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</svg>
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}>
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<img src={attachment.url} alt={name} class="h-5 w-5 rounded object-cover" />
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</Show>
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<span class="truncate max-w-[180px]">{name}</span>
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<button
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type="button"
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onClick={() => void handleAttachmentDownload(attachment)}
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class="attachment-download"
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aria-label={t("messageItem.attachment.downloadAriaLabel", { name })}
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>
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<svg class="h-3 w-3" fill="none" viewBox="0 0 24 24" stroke="currentColor">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 16v2a2 2 0 002 2h12a2 2 0 002-2v-2" />
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 12l4 4 4-4m-4-8v12" />
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</svg>
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</button>
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<button
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type="button"
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onClick={() => void handleDeletePart(attachment.id)}
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class="attachment-remove"
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disabled={isDeletingPart(attachment.id)}
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aria-label={t("messagePart.actions.deleteTitle")}
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title={t("messagePart.actions.deleteTitle")}
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>
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<svg class="h-3 w-3" fill="none" viewBox="0 0 24 24" stroke="currentColor">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
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</svg>
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</button>
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<Show when={isImage}>
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<div class="attachment-chip-preview">
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<img src={attachment.url} alt={name} />
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</div>
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</Show>
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</div>
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)
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}}
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</For>
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</div>
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</Show>
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<Show when={props.record.status === "sending"}>
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<div class="message-sending">
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<span class="generating-spinner">●</span> {t("messageItem.status.sending")}
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</div>
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</Show>
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<Show when={props.record.status === "error"}>
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<div class="message-error">⚠ {t("messageItem.status.failedToSend")}</div>
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</Show>
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</div>
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</div>
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)
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}
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