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import { produce, reconcile, type SetStoreFunction, type Store } from "solid-js/store"
import type {
Message,
Part,
PermissionRequest,
Project,
QuestionRequest,
Session,
SessionStatus,
Todo,
} from "@opencode-ai/sdk/v2/client"
import type { FileDiffInfo } from "@opencode-ai/client/promise"
import type { State, VcsCache } from "./types"
import { trimSessions } from "./session-trim"
import { dropSessionCaches } from "./session-cache"
import { diffs as list, message as clean } from "@/utils/diffs"
import { messageKey } from "@/utils/session-message"
const SKIP_PARTS = new Set(["patch", "step-start", "step-finish"])
const SESSION_CONTENT_EVENTS = new Set([
"session.diff",
"todo.updated",
"session.status",
"message.updated",
"message.removed",
"message.part.updated",
"message.part.removed",
"message.part.delta",
"permission.asked",
"permission.replied",
"question.asked",
"question.replied",
"question.rejected",
])
export function applyGlobalEvent(input: {
event: { type: string; properties?: unknown }
project: Project[]
setGlobalProject: (next: Project[] | ((draft: Project[]) => Project[])) => void
refresh: () => void
}) {
if (input.event.type === "global.disposed" || input.event.type === "server.connected") {
input.refresh()
return
}
if (input.event.type !== "project.updated") return
const properties = input.event.properties as Project
const result = Binary.search(input.project, properties.id, (s) => s.id)
if (result.found) {
input.setGlobalProject(
produce((draft) => {
draft[result.index] = { ...draft[result.index], ...properties }
}),
)
return
}
input.setGlobalProject(
produce((draft) => {
draft.splice(result.index, 0, properties)
}),
)
}
function cleanupSessionCaches(
setStore: SetStoreFunction<State>,
sessionID: string,
setSessionTodo?: (sessionID: string, todos: Todo[] | undefined) => void,
) {
if (!sessionID) return
setSessionTodo?.(sessionID, undefined)
setStore(
produce((draft) => {
dropSessionCaches(draft, [sessionID])
}),
)
}
export function cleanupDroppedSessionCaches(
store: Store<State>,
setStore: SetStoreFunction<State>,
next: Session[],
setSessionTodo?: (sessionID: string, todos: Todo[] | undefined) => void,
) {
const keep = new Set(next.map((item) => item.id))
const stale = [
...Object.keys(store.message),
...Object.keys(store.session_diff),
...Object.keys(store.todo),
...Object.keys(store.permission),
...Object.keys(store.question),
...Object.keys(store.session_status),
...Object.values(store.part)
.map((parts) => parts?.find((part) => !!part?.sessionID)?.sessionID)
.filter((sessionID): sessionID is string => !!sessionID),
].filter((sessionID, index, list) => !keep.has(sessionID) && list.indexOf(sessionID) === index)
if (stale.length === 0) return
for (const sessionID of stale) {
setSessionTodo?.(sessionID, undefined)
}
setStore(
produce((draft) => {
dropSessionCaches(draft, stale)
}),
)
}
export function applyDirectoryEvent(input: {
event: { type: string; properties?: unknown }
store: Store<State>
setStore: SetStoreFunction<State>
push: (directory: string) => void
directory: string
loadLsp: () => void
loadReferences?: () => void
vcsCache?: VcsCache
setSessionTodo?: (sessionID: string, todos: Todo[] | undefined) => void
retainedLimit?: number
sessionContent?: boolean
permission?: State["permission"]
}) {
const event = input.event
if (input.sessionContent === false && SESSION_CONTENT_EVENTS.has(event.type)) return
const limit = Math.max(input.store.limit, input.retainedLimit ?? 0)
switch (event.type) {
case "server.instance.disposed": {
input.push(input.directory)
return
}
case "session.created": {
const info = (event.properties as { info: Session }).info
const result = Binary.search(input.store.session, info.id, (s) => s.id)
if (result.found) {
input.setStore("session", result.index, reconcile(info))
break
}
const next = input.store.session.slice()
next.splice(result.index, 0, info)
const trimmed = trimSessions(next, { limit, permission: input.permission ?? input.store.permission })
input.setStore("session", reconcile(trimmed, { key: "id" }))
cleanupDroppedSessionCaches(input.store, input.setStore, trimmed, input.setSessionTodo)
if (!info.parentID) input.setStore("sessionTotal", (value) => value + 1)
break
}
case "session.updated": {
const info = (event.properties as { info: Session }).info
const result = Binary.search(input.store.session, info.id, (s) => s.id)
if (info.time.archived) {
if (!result.found) break
if (input.store.session[result.index]!.time.archived === info.time.archived) break
input.setStore(
"session",
produce((draft) => {
draft.splice(result.index, 1)
}),
)
cleanupSessionCaches(input.setStore, info.id, input.setSessionTodo)
if (info.parentID) break
input.setStore("sessionTotal", (value) => Math.max(0, value - 1))
break
}
if (result.found) {
input.setStore("session", result.index, reconcile(info))
break
}
const next = input.store.session.slice()
next.splice(result.index, 0, info)
const trimmed = trimSessions(next, { limit, permission: input.permission ?? input.store.permission })
input.setStore("session", reconcile(trimmed, { key: "id" }))
cleanupDroppedSessionCaches(input.store, input.setStore, trimmed, input.setSessionTodo)
break
}
case "session.deleted": {
const properties = event.properties as { sessionID?: string; info?: Session }
const sessionID = properties.info?.id ?? properties.sessionID
if (!sessionID) break
const result = Binary.search(input.store.session, sessionID, (s) => s.id)
const info = properties.info ?? (result.found ? input.store.session[result.index] : undefined)
if (result.found) {
input.setStore(
"session",
produce((draft) => {
draft.splice(result.index, 1)
}),
)
}
cleanupSessionCaches(input.setStore, sessionID, input.setSessionTodo)
if (info?.parentID) break
input.setStore("sessionTotal", (value) => Math.max(0, value - 1))
break
}
case "session.renamed": {
const properties = event.properties as { sessionID: string; title: string }
const result = Binary.search(input.store.session, properties.sessionID, (session) => session.id)
if (!result.found) break
input.setStore("session", result.index, (session) => ({
...session,
title: properties.title,
time: { ...session.time, updated: Date.now() },
}))
break
}
case "session.usage.updated": {
const properties = event.properties as Pick<Session, "cost" | "tokens"> & { sessionID: string }
const result = Binary.search(input.store.session, properties.sessionID, (session) => session.id)
if (!result.found) break
input.setStore("session", result.index, (session) => ({
...session,
cost: properties.cost,
tokens: properties.tokens,
}))
break
}
// case "session.archived": {
// const properties = event.properties as { sessionID: string }
// const result = Binary.search(input.store.session, properties.sessionID, (session) => session.id)
// if (!result.found) break
// const info = input.store.session[result.index]
// input.setStore(
// "session",
// produce((draft) => void draft.splice(result.index, 1)),
// )
// cleanupSessionCaches(input.setStore, properties.sessionID)
// if (!info?.parentID) input.setStore("sessionTotal", (value) => Math.max(0, value - 1))
// break
// }
case "session.moved": {
const properties = event.properties as {
sessionID: string
location: { directory: string; workspaceID?: string }
projectID?: string
subpath?: string
}
const result = Binary.search(input.store.session, properties.sessionID, (session) => session.id)
if (!result.found) break
if (properties.location.directory === input.directory) {
input.setStore("session", result.index, (session) => ({
...session,
projectID: properties.projectID ?? session.projectID,
workspaceID: properties.location.workspaceID,
directory: properties.location.directory,
path: properties.subpath,
time: { ...session.time, updated: Date.now() },
}))
break
}
const info = input.store.session[result.index]
input.setStore(
"session",
produce((draft) => void draft.splice(result.index, 1)),
)
if (!info?.parentID) input.setStore("sessionTotal", (value) => Math.max(0, value - 1))
break
}
case "session.diff": {
const props = event.properties as { sessionID: string; diff: FileDiffInfo[] }
input.setStore("session_diff", props.sessionID, reconcile(list(props.diff) as FileDiffInfo[], { key: "file" }))
break
}
case "todo.updated": {
const props = event.properties as { sessionID: string; todos: Todo[] }
input.setStore("todo", props.sessionID, reconcile(props.todos, { key: "id" }))
input.setSessionTodo?.(props.sessionID, props.todos)
break
}
case "session.status": {
const props = event.properties as { sessionID: string; status: SessionStatus }
input.setStore("session_status", props.sessionID, reconcile(props.status))
break
}
case "message.updated": {
const info = clean((event.properties as { info: Message }).info)
const messages = input.store.message[info.sessionID]
if (!messages) {
input.setStore("message", info.sessionID, [info])
break
}
const result = Binary.search(messages, messageKey(info), messageKey)
if (result.found) {
input.setStore("message", info.sessionID, result.index, reconcile(info))
break
}
input.setStore(
"message",
info.sessionID,
produce((draft) => {
draft.splice(result.index, 0, info)
}),
)
break
}
case "message.removed": {
const props = event.properties as { sessionID: string; messageID: string }
input.setStore(
produce((draft) => {
const messages = draft.message[props.sessionID]
if (messages) {
const index = messages.findIndex((message) => message.id === props.messageID)
if (index >= 0) messages.splice(index, 1)
}
const parts = draft.part[props.messageID]
if (parts) {
for (const part of parts) {
delete draft.part_text_accum_delta[part.id]
}
}
delete draft.part[props.messageID]
}),
)
break
}
case "message.part.updated": {
const part = (event.properties as { part: Part }).part
if (SKIP_PARTS.has(part.type)) break
input.setStore(
produce((draft) => {
delete draft.part_text_accum_delta[part.id]
}),
)
const parts = input.store.part[part.messageID]
if (!parts) {
input.setStore("part", part.messageID, [part])
break
}
const result = Binary.search(parts, part.id, (item) => item.id)
if (result.found) {
input.setStore("part", part.messageID, result.index, reconcile(part))
break
}
input.setStore(
"part",
part.messageID,
produce((draft) => {
draft.splice(result.index, 0, part)
}),
)
break
}
case "message.part.removed": {
const props = event.properties as { messageID: string; partID: string }
input.setStore(
produce((draft) => {
delete draft.part_text_accum_delta[props.partID]
}),
)
const parts = input.store.part[props.messageID]
if (!parts) break
const result = Binary.search(parts, props.partID, (part) => part.id)
if (result.found) {
input.setStore(
produce((draft) => {
const list = draft.part[props.messageID]
if (!list) return
const next = Binary.search(list, props.partID, (part) => part.id)
if (!next.found) return
list.splice(next.index, 1)
if (list.length === 0) delete draft.part[props.messageID]
}),
)
}
break
}
case "message.part.delta": {
const props = event.properties as { messageID: string; partID: string; field: string; delta: string }
const parts = input.store.part[props.messageID]
if (!parts) break
const result = Binary.search(parts, props.partID, (part) => part.id)
if (!result.found) break
const field = props.field as keyof (typeof parts)[number]
const current = parts[result.index]?.[field]
input.setStore(
"part_text_accum_delta",
props.partID,
(existing) => (existing ?? (typeof current === "string" ? current : "")) + props.delta,
)
input.setStore(
"part",
props.messageID,
produce((draft) => {
const part = draft[result.index]
const field = props.field as keyof typeof part
const existing = part[field] as string | undefined
;(part[field] as string) = (existing ?? "") + props.delta
}),
)
break
}
case "vcs.branch.updated": {
const props = event.properties as { branch?: string }
if (input.store.vcs?.branch === props.branch) break
const next = { ...input.store.vcs, branch: props.branch }
input.setStore("vcs", next)
if (input.vcsCache) input.vcsCache.setStore("value", next)
break
}
case "permission.asked": {
const permission = event.properties as PermissionRequest
const permissions = input.store.permission[permission.sessionID]
if (!permissions) {
input.setStore("permission", permission.sessionID, [permission])
break
}
const result = Binary.search(permissions, permission.id, (p) => p.id)
if (result.found) {
input.setStore("permission", permission.sessionID, result.index, reconcile(permission))
break
}
input.setStore(
"permission",
permission.sessionID,
produce((draft) => {
draft.splice(result.index, 0, permission)
}),
)
break
}
case "permission.replied": {
const props = event.properties as { sessionID: string; requestID: string }
const permissions = input.store.permission[props.sessionID]
if (!permissions) break
const result = Binary.search(permissions, props.requestID, (p) => p.id)
if (!result.found) break
input.setStore(
"permission",
props.sessionID,
produce((draft) => {
draft.splice(result.index, 1)
}),
)
break
}
case "question.asked": {
const question = event.properties as QuestionRequest
const questions = input.store.question[question.sessionID]
if (!questions) {
input.setStore("question", question.sessionID, [question])
break
}
const result = Binary.search(questions, question.id, (q) => q.id)
if (result.found) {
input.setStore("question", question.sessionID, result.index, reconcile(question))
break
}
input.setStore(
"question",
question.sessionID,
produce((draft) => {
draft.splice(result.index, 0, question)
}),
)
break
}
case "question.replied":
case "question.rejected": {
const props = event.properties as { sessionID: string; requestID: string }
const questions = input.store.question[props.sessionID]
if (!questions) break
const result = Binary.search(questions, props.requestID, (q) => q.id)
if (!result.found) break
input.setStore(
"question",
props.sessionID,
produce((draft) => {
draft.splice(result.index, 1)
}),
)
break
}
case "lsp.updated": {
input.loadLsp()
break
}
case "reference.updated": {
input.loadReferences?.()
break
}
}
}
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