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import { GitService } from '../services/git-service';
import * as vscode from 'vscode';
// Live Share is optional; only require if present to avoid activation failure
let vsls: typeof import('vsls') | undefined;
try {
// eslint-disable-next-line @typescript-eslint/no-var-requires
vsls = require('vsls');
} catch {
vsls = undefined;
}
import { getCachedDisplayName, getOrInitDisplayName } from '../services/profile-service';
import { insertLiveShareActivity, insertLiveShareSessionEnd } from '../services/team-activity-service';
import { getCurrentUser } from '../auth/supabaseClient';
import { getCurrentUserId } from '../services/auth-service';
/**
* Provides Live Share functionality for the Collab Agent extension.
* Manages Live Share sessions, participant monitoring, and session communication.
*/
export class LiveShareManager {
//Live Share API instance (optional)
private _liveShareApi?: any | null = null;
//Current session invite link for persistence and display
private _sessionLink: string | undefined;
//Flag to track if initial session check has been completed
private _initialSessionCheckDone = false;
private _sessionSyncService: SessionSyncService;
private _gitService?: GitService;
//Git diff captured at session start (baseline for comparison)
private _sessionStartDiff?: string;
//Key for persisting manual invite links in global state
private readonly _persistedLinkKey = 'collabAgent.manualInviteLink';
//Key for current team in global state (matches AgentPanel)
private readonly _teamStateKey = 'collabAgent.currentTeam';
//Interval timer for monitoring participant changes
private participantMonitoringInterval?: NodeJS.Timeout;
//Timestamp when the current session started
private sessionStartTime?: Date;
//Current session ID for tracking
private currentSessionId?: string;
//Session baseline snapshot ID (for "View Initial Snapshot" button)
private sessionBaselineSnapshotId?: string;
//Interval timer for pushing duration updates to the UI
private _durationUpdateInterval?: NodeJS.Timeout;
//Reference to the webview view for sending messages
private _view?: vscode.WebviewView;
// Back-compat for older tests: cache of announced participant names
private _participantNameMap: Map<string, string> = new Map();
/**
* Creates a new LiveShareManager instance.
*
* @param _context - The extension context for state management
*/
constructor(private readonly _context: vscode.ExtensionContext) {
this._sessionSyncService = new SessionSyncService();
// Initialize git service
try {
this._gitService = new GitService();
} catch (error) {
console.log('[LiveShareManager] Git service not available:', error);
}
// Set up callback for real time participant updates from Supabase
this._sessionSyncService.setOnParticipantChange((participants) => {
console.log('[LiveShareManager] Received participant update from Supabase:', participants);
// Convert to UI format
const participantList = participants.map(p => ({
name: p.github_username || 'Unknown',
email: '',
role: p.peer_number === 1 ? 'Host' : 'Guest'
}));
// Update UI
if (this._view) {
this._view.webview.postMessage({
command: 'updateParticipants',
participants: participantList,
count: participantList.length
});
// Also update session status with correct count
const session = this._liveShareApi?.session;
if (session) {
this._view.webview.postMessage({
command: 'updateSessionStatus',
status: session.role === (vsls?.Role?.Host) ? 'hosting' : 'joined',
link: this._sessionLink || '',
participants: participantList.length,
role: session.role,
duration: this.getSessionDuration()
});
}
}
});
}
/**
* Sets the webview reference for UI updates
* @param view - The webview view instance
*/
public setView(view: vscode.WebviewView) {
this._view = view;
}
/**
* Initializes the Live Share API and sets up event listeners.
* Retries on failure with exponential backoff.
*
* @returns Promise that resolves to true if initialization succeeds, false otherwise
*/
public async initializeLiveShare(): Promise<boolean> {
await new Promise(resolve => setTimeout(resolve, 1000));
if (!vsls || typeof vsls.getApi !== 'function') {
console.log('Live Share module not available. Skipping initialization.');
return false;
}
this._liveShareApi = await vsls.getApi();
if (this._liveShareApi) {
console.log('Live Share API initialized successfully.');
this.setupLiveShareEventListeners();
// Clean up any orphaned pinned events from previous sessions
await this.cleanupOrphanedPinnedEvents();
return true;
} else {
console.log('Live Share extension not available.');
setTimeout(() => {
console.log('Retrying Live Share initialization...');
this.initializeLiveShare();
}, 3000);
return false;
}
}
/**
* Sets up event listeners for Live Share session and peer changes.
* Monitors session state, participant changes, and activities.
*/
private setupLiveShareEventListeners() {
if (!this._liveShareApi) {
return;
}
try {
this._liveShareApi.onDidChangeSession((sessionChangeEvent: any) => {
console.log('Live Share session changed:', sessionChangeEvent);
this.handleSessionChange(sessionChangeEvent);
});
if (typeof (this._liveShareApi as any).onDidChangePeers === 'function') {
(this._liveShareApi as any).onDidChangePeers(async (peerChangeEvent: any) => {
console.log('Live Share peers changed:', peerChangeEvent);
// Load participants from Supabase instead of using Live Share API
const session = this._liveShareApi?.session;
if (session?.id) {
console.log('[onDidChangePeers] Loading participants from Supabase for session:', session.id);
// Wait a moment for the guest to announce their presence in Supabase
await new Promise(resolve => setTimeout(resolve, 1000));
await this.loadParticipantsFromSupabase(session.id);
}
});
} else {
console.warn('Live Share API does not expose onDidChangePeers in this environment. Falling back to polling only.');
}
this.monitorSessionState();
} catch (error) {
console.error('Error setting up Live Share event listeners:', error);
}
}
/**
* Handles Live Share session state changes (start, join, end).
* Updates UI, manages participant monitoring, and handles session timing.
*
* @param sessionChangeEvent - The session change event from Live Share API
*/
private async handleSessionChange(sessionChangeEvent: any) {
const session = sessionChangeEvent.session;
console.log('[DEBUG] handleSessionChange START - session exists:', !!session, 'session.id:', session?.id);
console.log('handleSessionChange called with session:', session);
console.log('handleSessionChange called with session:', session);
console.log('Session change event details:', {
changeType: sessionChangeEvent.changeType,
session: session ? {
id: session.id,
role: session.role,
peerNumber: session.peerNumber,
user: session.user
} : null
});
if (session) {
console.log('Session active:', {
id: session.id,
role: session.role,
uri: session.uri?.toString(),
peerNumber: session.peerNumber,
user: session.user
});
if (!this.sessionStartTime || ['joined','started','start','starting'].includes(String(sessionChangeEvent.changeType).toLowerCase())) {
this.sessionStartTime = new Date();
console.log('Session start time set to (local clock):', this.sessionStartTime, 'changeType:', sessionChangeEvent.changeType);
}
if (session.id) {
console.log('[DEBUG] About to call announcePresenceViaSupabase');
// Store current session ID for later use
this.currentSessionId = session.id;
// IMPORTANT: Pause automatic snapshot tracking and save pending local changes
const isHost = session.role === (vsls?.Role?.Host);
const baselineSnapshotId = await this.pauseAutomaticSnapshotting(isHost, session.id);
// Store the baseline snapshot ID for later use (linking to session event)
if (baselineSnapshotId) {
this.sessionBaselineSnapshotId = baselineSnapshotId;
console.log('[LiveShareManager] Stored baseline snapshot ID:', this.sessionBaselineSnapshotId);
}
// DISABLED: Git stash was causing file deletion issues
// We now use SnapshotManager's createSessionBaseline() instead
// which captures the workspace state without modifying any files
/*
if (this._gitService) {
this._gitService.createSessionSnapshot().then(stashName => {
if (stashName) {
console.log('[LiveShareManager] Created git stash session snapshot');
}
}).catch(err => {
console.error('[LiveShareManager] Failed to create git stash session snapshot:', err);
});
}
*/
// Announce presence via Supabase
this.announcePresenceViaSupabase(session);
console.log('[DEBUG] About to call loadParticipantsFromSupabase');
// Load all participants from Supabase
this.loadParticipantsFromSupabase(session.id);
// Track Live Share event in team activity feed
const eventType = isHost ? 'live_share_started' : 'live_share_joined';
// For hosts, pass the baseline snapshot ID to link the initial workspace snapshot
const snapshotIdToPass = (isHost && baselineSnapshotId) ? baselineSnapshotId : undefined;
this.insertLiveShareEvent(eventType, session.id, snapshotIdToPass);
}
const isHost = session.role === (vsls?.Role?.Host);
let status = 'joined';
if (isHost) {
status = 'hosting';
} else if (session.role === (vsls?.Role?.Guest)) {
status = 'joined';
}
const sessionLink = session.uri?.toString() || this._sessionLink || '';
if (sessionLink) {
this._sessionLink = sessionLink;
}
let participantCount = (this._liveShareApi?.peers?.length || 0) + 1;
// For guests, never show less than 2 because a host must exist
if (!isHost) {
const sessionPeerNum = typeof (session as any).peerNumber === 'number' ? (session as any).peerNumber : undefined;
const candidate = sessionPeerNum && sessionPeerNum >= 2 ? sessionPeerNum : participantCount;
participantCount = Math.max(2, candidate);
}
console.log('Sending updateSessionStatus message:', {
status: status,
link: sessionLink,
participants: participantCount,
role: session.role,
duration: this.getSessionDuration(),
isHost: isHost
});
if (this._view) {
this._view.webview.postMessage({
command: 'updateSessionStatus',
status: status,
link: sessionLink,
participants: participantCount,
role: session.role,
duration: this.getSessionDuration()
});
}
// Start monitoring participants if we're in a session
this.startParticipantMonitoring();
} else {
console.log('Session ended - clearing session start time');
// Track session end in activity feed with participant details
// IMPORTANT: Await this before cleanup so backend can query participants
await this.insertLiveShareSessionEndEvent();
// IMPORTANT: Resume automatic snapshot tracking after session ends
await this.resumeAutomaticSnapshotting();
this._sessionSyncService.leaveSession();
this.sessionStartTime = undefined;
this.currentSessionId = undefined;
this.sessionBaselineSnapshotId = undefined;
this.stopDurationUpdater();
this.clearManualInviteLink();
if (this._view) {
this._view.webview.postMessage({
command: 'updateSessionStatus',
status: 'ended',
link: '',
participants: 0
});
this._view.webview.postMessage({
command: 'updateParticipants',
participants: [],
count: 0
});
setTimeout(() => {
if (this._view) {
this._view.webview.postMessage({
command: 'updateSessionStatus',
status: 'none',
link: '',
participants: 0
});
}
}, 2000);
}
this.stopParticipantMonitoring();
}
}
/**
* Announce your presence in the session via Supabase
*/
private async announcePresenceViaSupabase(session: any) {
console.log('[DEBUG] announcePresenceViaSupabase called with session.id:', session.id);
try {
const displayName = getCachedDisplayName();
if (!displayName) {
console.log('[SessionSync] No display name cached, getting from Supabase...');
const result = await getOrInitDisplayName(true);
if (result.displayName) {
await this._sessionSyncService.joinSession(
session.id,
result.displayName,
session.peerNumber || 0
);
}
} else {
await this._sessionSyncService.joinSession(
session.id,
displayName,
session.peerNumber || 0
);
}
} catch (err) {
console.error('[SessionSync] Failed to announce presence:', err);
}
}
/**
* Load all participants from Supabase and update UI
*/
private async loadParticipantsFromSupabase(sessionId: string) {
try {
const participants = await this._sessionSyncService.getParticipants(sessionId);
console.log('[SessionSync] Loaded participants from Supabase:', participants);
// Convert to UI format
const participantList = participants.map(p => ({
name: p.github_username || 'Unknown',
email: '',
role: p.peer_number === 1 ? 'Host' : 'Guest'
}));
// Update UI
if (this._view) {
this._view.webview.postMessage({
command: 'updateParticipants',
participants: participantList,
count: participantList.length
});
// Also update session status with correct count
const session = this._liveShareApi?.session;
if (session) {
this._view.webview.postMessage({
command: 'updateSessionStatus',
status: session.role === (vsls?.Role?.Host) ? 'hosting' : 'joined',
link: this._sessionLink || '',
participants: participantList.length,
role: session.role,
duration: this.getSessionDuration()
});
}
}
} catch (err) {
console.error('[SessionSync] Failed to load participants:', err);
}
}
/**
* Inserts a Live Share event into the team activity feed
* @param eventType - Type of event: 'live_share_started' | 'live_share_joined'
* @param sessionId - Optional session ID for reference
* @param snapshotId - Optional snapshot ID for the initial workspace snapshot (for started events)
*/
private async insertLiveShareEvent(
eventType: 'live_share_started' | 'live_share_joined',
sessionId?: string,
snapshotId?: string
) {
try {
// Get current team ID
const teamId = this._context.globalState.get<string>(this._teamStateKey);
if (!teamId) {
console.log('[LiveShareManager] No active team, skipping activity insert');
return;
}
// Get current user
const user = await getCurrentUser();
if (!user?.id) {
console.log('[LiveShareManager] No authenticated user, skipping activity insert');
return;
}
// Get display name
let displayName = getCachedDisplayName();
if (!displayName) {
const result = await getOrInitDisplayName(true);
displayName = result.displayName || 'Unknown User';
}
// Insert activity
const result = await insertLiveShareActivity(
teamId,
user.id,
eventType,
displayName,
sessionId,
snapshotId, // Pass snapshot ID for linking to initial snapshot
this._sessionLink // Pass session invite link
);
if (result.success) {
console.log('[LiveShareManager] Live Share activity inserted successfully');
// Notify webview to refresh activity feed
if (this._view) {
this._view.webview.postMessage({
command: 'refreshActivityFeed'
});
}
} else {
console.error('[LiveShareManager] Failed to insert activity:', result.error);
}
} catch (err) {
console.error('[LiveShareManager] Exception inserting Live Share event:', err);
}
}
/**
* Cleans up orphaned pinned Live Share Started events
* This happens when VS Code closes while a session is active
* Unpins any "Live Share Started" events if there's no active session
*/
private async cleanupOrphanedPinnedEvents() {
try {
// Only clean up if there's no active session
if (this._liveShareApi?.session) {
console.log('[LiveShareManager] Active session detected, skipping orphaned event cleanup');
return;
}
// Get current team ID
const teamId = this._context.globalState.get<string>(this._teamStateKey);
if (!teamId) {
console.log('[LiveShareManager] No active team, skipping orphaned event cleanup');
return;
}
console.log('[LiveShareManager] Checking for orphaned pinned events...');
// Call backend to unpin all Live Share Started events for this team
const { cleanupOrphanedPinnedEvents } = await import('../services/team-activity-service.js');
const result = await cleanupOrphanedPinnedEvents(teamId);
if (result.success) {
console.log('[LiveShareManager] Orphaned pinned events cleaned up successfully');
// Refresh activity feed to show updated pin status
if (this._view) {
this._view.webview.postMessage({
command: 'refreshActivityFeed'
});
}
} else {
console.error('[LiveShareManager] Error cleaning up orphaned events:', result.error);
}
} catch (error) {
console.error('[LiveShareManager] Exception cleaning up orphaned events:', error);
}
}
/**
* Updates an existing Live Share Started event with the session invite link
* This is called when the user captures the invite link from clipboard
* @param sessionId - The session ID to update
* @param sessionLink - The session invite link
*/
private async updateLiveShareEventWithLink(sessionId: string, sessionLink: string) {
try {
// Get current team ID
const teamId = this._context.globalState.get<string>(this._teamStateKey);
if (!teamId) {
console.log('[LiveShareManager] No active team, skipping activity update');
return;
}
// Call backend to update the event
const { updateLiveShareActivityLink } = await import('../services/team-activity-service.js');
const result = await updateLiveShareActivityLink(teamId, sessionId, sessionLink);
if (result.success) {
console.log('[LiveShareManager] Live Share activity updated with session link');
// Notify webview to refresh activity feed so the Join button appears
if (this._view) {
this._view.webview.postMessage({
command: 'refreshActivityFeed'
});
}
} else {
console.error('[LiveShareManager] Error updating Live Share activity with link:', result.error);
}
} catch (error) {
console.error('[LiveShareManager] Exception updating Live Share activity with link:', error);
}
}
/**
* Inserts a Live Share session end event with participant details into the team activity feed
*/
private async insertLiveShareSessionEndEvent() {
try {
// Only insert if we have session tracking data
if (!this.sessionStartTime || !this.currentSessionId) {
console.log('[LiveShareManager] No session data, skipping session end event');
return;
}
// Get current team ID
const teamId = this._context.globalState.get<string>(this._teamStateKey);
if (!teamId) {
console.log('[LiveShareManager] No active team, skipping activity insert');
return;
}
// Get current user
const user = await getCurrentUser();
if (!user?.id) {
console.log('[LiveShareManager] No authenticated user, skipping activity insert');
return;
}
// Get display name
let displayName = getCachedDisplayName();
if (!displayName) {
const result = await getOrInitDisplayName(true);
displayName = result.displayName || 'Unknown User';
}
// Calculate duration in minutes
const now = new Date();
const durationMs = now.getTime() - this.sessionStartTime.getTime();
const durationMinutes = Math.floor(durationMs / 60000);
// Check if current user is host
const session = this._liveShareApi?.session;
const isHost = session && session.role === (vsls?.Role?.Host);
// Get git diff of changes made DURING the session
let sessionChanges = '(no changes captured)';
// IMPORTANT: Use SnapshotManager diff for hosts (workspace-based, no git commands)
// Guests don't save session snapshots (only hosts do)
if (isHost) {
console.log('[LiveShareManager] Host session ending - using SnapshotManager diff');
try {
const { snapshotManager } = await import('../extension.js');
sessionChanges = await snapshotManager.captureSessionChanges(user.id, teamId);
if (!sessionChanges || sessionChanges.trim().length === 0) {
console.log('[LiveShareManager] No changes detected during session');
sessionChanges = '(no changes during session)';
}
console.log('[LiveShareManager] Captured session changes from SnapshotManager, length:', sessionChanges.length);
} catch (err) {
console.error('[LiveShareManager] Failed to get session changes from SnapshotManager:', err);
sessionChanges = `Error capturing changes: ${err}`;
}
} else {
console.log('[LiveShareManager] Guest session ending - guests do not save session snapshots');
sessionChanges = '(guest - no session snapshot)';
}
// Create the live_share_ended event with baseline snapshot ID (for "View Initial Snapshot" button)
console.log('[LiveShareManager] Creating live_share_ended event...');
console.log('[LiveShareManager] Baseline snapshot ID:', this.sessionBaselineSnapshotId);
const result = await insertLiveShareSessionEnd(
teamId,
user.id,
displayName,
this.currentSessionId,
durationMinutes,
this.sessionBaselineSnapshotId // Link to session baseline snapshot
);
console.log('[LiveShareManager] Event creation result:', result);
// Then create the snapshot which will trigger edge function
// Edge function will find the live_share_ended event and update it with AI summary
console.log('[LiveShareManager] Checking if should create snapshot - gitService:', !!this._gitService, 'result.success:', result.success);
// Always create snapshot if we have an event (even if git service failed)
if (result.success) {
console.log('[LiveShareManager] Creating snapshot with changes...');
try {
const snapshotResult = await this.insertLiveShareSummary(
teamId,
user.id,
displayName,
this.currentSessionId,
sessionChanges
);
console.log('[LiveShareManager] Snapshot result:', snapshotResult);
if (snapshotResult.snapshotId) {
console.log('[LiveShareManager] Created snapshot with ID:', snapshotResult.snapshotId);
console.log('[LiveShareManager] Edge function will update the live_share_ended event with AI summary');
} else {
console.log('[LiveShareManager] No snapshot ID returned');
}
} catch (err) {
console.error('[LiveShareManager] Failed to create snapshot:', err);
}
} else {
console.log('[LiveShareManager] Skipping snapshot creation - event creation failed');
}
if (result.success) {
console.log('[LiveShareManager] Live Share session end activity inserted successfully');
// Notify webview to refresh activity feed
if (this._view) {
this._view.webview.postMessage({
command: 'refreshActivityFeed'
});
}
} else {
console.error('[LiveShareManager] Failed to insert session end activity:', result.error);
}
} catch (err) {
console.error('[LiveShareManager] Exception inserting Live Share session end event:', err);
}
}
/**
* Inserts a Live Share summary with git diff into file_snapshots
* @returns Object with snapshot ID
*/
private async insertLiveShareSummary(
teamId: string,
userId: string,
displayName: string,
sessionId: string,
changes: string
): Promise<{ snapshotId?: string }> {
try {
const { insertLiveShareSummary } = require('../services/team-activity-service');
const result = await insertLiveShareSummary(
teamId,
userId,
displayName,
sessionId,
changes
);
if (result.success) {
console.log('[LiveShareManager] Live Share summary inserted successfully');
return { snapshotId: result.snapshotId };
} else {
console.error('[LiveShareManager] Failed to insert summary:', result.error);
return {};
}
} catch (err) {
console.error('[LiveShareManager] Exception inserting Live Share summary:', err);
return {};
}
}
/**
* Monitors the current Live Share session state and updates the UI accordingly.
* Handles initial session detection and sets up periodic monitoring.
*/
private monitorSessionState() {
console.log('monitorSessionState: Checking session state...');
console.log('monitorSessionState: _liveShareApi exists:', !!this._liveShareApi);
console.log('monitorSessionState: _liveShareApi.session exists:', !!this._liveShareApi?.session);
if (this._liveShareApi?.session) {
const session = this._liveShareApi.session;
console.log('monitorSessionState: Session details:', {
id: session.id,
role: session.role,
isValid: !!(session.id && (session.role === (vsls?.Role?.Host) || session.role === (vsls?.Role?.Guest)))
});
if (session.id && (session.role === (vsls?.Role?.Host) || session.role === (vsls?.Role?.Guest))) {
console.log('Found existing active session:', session);
this.handleSessionChange({ session: session, changeType: 'existing' });
} else {
console.log('Found invalid or inactive session, clearing UI state');
if (this._view) {
this._view.webview.postMessage({
command: 'updateSessionStatus',
status: 'none',
link: '',
participants: 0
});
}
}
} else {
console.log('No existing session found on initial check; show loading');
if (this._view) {
this._view.webview.postMessage({
command: 'updateSessionStatus',
status: 'loading',
link: '',
participants: 0
});
}
setTimeout(() => {
if (!this._liveShareApi?.session) {
if (this._view) {
this._view.webview.postMessage({
command: 'updateSessionStatus',
status: 'none',
link: '',
participants: 0
});
}
}
}, 1500);
}
this._initialSessionCheckDone = true;
setInterval(() => {
this.periodicSessionCheck();
}, 5000);
}
/**
* Performs periodic checks of session state to catch changes
* that might not trigger event listeners.
*/
private periodicSessionCheck() {
if (!this._liveShareApi) {
return;
}
const hasSession = !!this._liveShareApi.session;
const hasValidSession = hasSession &&
this._liveShareApi.session.id &&
(this._liveShareApi.session.role === (vsls?.Role?.Host) || this._liveShareApi.session.role === (vsls?.Role?.Guest));
console.log('periodicSessionCheck:', { hasSession, hasValidSession, sessionId: this._liveShareApi.session?.id });
if (!hasValidSession && this._view) {
console.log('periodicSessionCheck: No valid session, ensuring UI shows none');
this._view.webview.postMessage({
command: 'updateSessionStatus',
status: 'none',
link: '',
participants: 0
});
this._view.webview.postMessage({
command: 'updateParticipants',
participants: [],
count: 0
});
this.sessionStartTime = undefined;
this.currentSessionId = undefined;
this.stopParticipantMonitoring();
}
}
/**
* Starts monitoring participants in the Live Share session.
* Updates participant information every 2 seconds for responsive UI updates.
*/
private startParticipantMonitoring() {
this.stopParticipantMonitoring();
this.participantMonitoringInterval = setInterval(async () => {
// Use Supabase data instead of Live Share API
const session = this._liveShareApi?.session;
if (session?.id) {
await this.loadParticipantsFromSupabase(session.id);
}
}, 2000);
// Initial load
const session = this._liveShareApi?.session;
if (session?.id) {
this.loadParticipantsFromSupabase(session.id);
}
}
/**
* Stops the participant monitoring interval timer.
*/
private stopParticipantMonitoring() {
if (this.participantMonitoringInterval) {
clearInterval(this.participantMonitoringInterval);
this.participantMonitoringInterval = undefined;
}
}
/**
* Sets a manual invite link as fallback when Live Share API doesn't expose the link.
*
* @param link - The invite link to set, or undefined to clear
*/
public async setManualInviteLink(link: string | undefined) {
if (!link || !link.trim()) {
if (this._view) {
this._view.webview.postMessage({ command: 'manualLinkInvalid', reason: 'empty' });
}
return;
}
const trimmed = link.trim();
this._sessionLink = trimmed;
this._context.globalState.update(this._persistedLinkKey, this._sessionLink);
// Update the existing Live Share Started event in the activity feed with the session link
if (this.currentSessionId) {
await this.updateLiveShareEventWithLink(this.currentSessionId, trimmed);
}
if (this._view) {
this._view.webview.postMessage({
command: 'manualLinkUpdated',
link: this._sessionLink
});
const status = this._liveShareApi?.session?.role === (vsls?.Role?.Host) ? 'hosting' : (this._liveShareApi?.session ? 'joined' : 'none');
this._view.webview.postMessage({
command: 'updateSessionStatus',
status,
link: this._sessionLink,
participants: (this._liveShareApi?.peers?.length || 0) + (this._liveShareApi?.session ? 1 : 0),
role: this._liveShareApi?.session?.role,
duration: this.getSessionDuration()
});
}
}
/**
* Clears the manually set invite link and updates the UI.
*/
public clearManualInviteLink() {
this._sessionLink = undefined;
this._context.globalState.update(this._persistedLinkKey, undefined);
if (this._view) {
this._view.webview.postMessage({ command: 'manualLinkCleared' });
const status = this._liveShareApi?.session?.role === (vsls?.Role?.Host) ? 'hosting' : (this._liveShareApi?.session ? 'joined' : 'none');
this._view.webview.postMessage({
command: 'updateSessionStatus',
status,
link: '',
participants: (this._liveShareApi?.peers?.length || 0) + (this._liveShareApi?.session ? 1 : 0),
role: this._liveShareApi?.session?.role,
duration: this.getSessionDuration()
});
}
}
/**
* Sends any stored invite link from global state to the webview.
* Used for restoring session state after extension reload.
*/
public sendStoredLinkToWebview() {
const stored = this._context.globalState.get<string | undefined>(this._persistedLinkKey);
if (stored) {
this._sessionLink = stored;
if (this._view) {
this._view.webview.postMessage({ command: 'storedLink', link: stored });
if (this._liveShareApi?.session) {
const s = this._liveShareApi.session;
this._view?.webview.postMessage({
command: 'updateSessionStatus',
status: s.role === (vsls?.Role?.Host) ? 'hosting' : 'joined',
link: stored,
participants: (this._liveShareApi.peers?.length || 0) + 1,
role: s.role,
duration: this.getSessionDuration()
});
}
}
}
}
/**
* Attempts to paste an invite link from the system clipboard.
* Shows appropriate error messages for invalid or empty clipboard content.
*/
public async pasteInviteLinkFromClipboard() {
try {
const clip = await vscode.env.clipboard.readText();
if (clip && clip.trim()) {
const trimmed = clip.trim();
this.setManualInviteLink(trimmed);
if (this._view) {
this._view.webview.postMessage({ command: 'manualLinkPasted', link: trimmed });
}
} else {
if (this._view) {
this._view.webview.postMessage({ command: 'manualLinkPasteInvalid' });
}
vscode.window.showWarningMessage('Clipboard is empty or does not contain text.');
}
} catch (err) {
console.warn('Failed reading clipboard for invite link:', err);
vscode.window.showErrorMessage('Could not read clipboard for invite link.');
}
}
/**
* Ends the current Live Share session (host only).
* Updates UI state and notifies participants.
*/
public async endLiveShareSession() {
try {
console.log('Attempting to end Live Share session...');
if (!this._liveShareApi) {
console.log('Live Share API not available');
vscode.window.showWarningMessage('Live Share API not available.');
return;
}
if (!this._liveShareApi.session) {
console.log('No active session found');
vscode.window.showWarningMessage('No active Live Share session to end.');
return;
}
console.log('Current session role:', this._liveShareApi.session.role);
console.log('Host role constant:', vsls?.Role?.Host);
if (this._liveShareApi.session.role !== (vsls?.Role?.Host)) {
vscode.window.showWarningMessage('Only the session host can end the session.');
return;
}
console.log('Calling end() on Live Share API...');
// IMPORTANT: Generate the session summary BEFORE cleanup
// so the backend can query participants from session_participants table
await this.insertLiveShareSessionEndEvent();
// Cleanup all participants from Supabase
const sessionId = this._liveShareApi.session.id;
if (sessionId) {
await this._sessionSyncService.cleanupSession(sessionId);
}
// End the session
await this._liveShareApi.end();
console.log('Live Share end() completed');
// Resume automatic snapshot tracking after session ends
await this.resumeAutomaticSnapshotting();
this.sessionStartTime = undefined;
this.currentSessionId = undefined;
this.sessionBaselineSnapshotId = undefined;
this.stopParticipantMonitoring();
this.stopDurationUpdater();
this.clearManualInviteLink();
if (this._view) {
this._view.webview.postMessage({
command: 'updateSessionStatus',
status: 'ended',
link: '',
participants: 0
});
this._view.webview.postMessage({
command: 'updateParticipants',
participants: [],
count: 0
});
// Reset button state
this._view.webview.postMessage({
command: 'resetButtonState',
buttonType: 'end'
});
}
vscode.window.showInformationMessage('Live Share session ended successfully.');
} catch (error) {
console.error('Error ending Live Share session:', error);
vscode.window.showErrorMessage('Failed to end Live Share session: ' + error);
if (this._view) {
this._view.webview.postMessage({
command: 'resetButtonState',
buttonType: 'end'
});
}
}
}
/**
* Leaves the current Live Share session (guest only).
* Clears local session state and updates UI.
*/
public async leaveLiveShareSession() {
try {
console.log('Attempting to leave Live Share session...');
if (!this._liveShareApi) {
console.log('Live Share API not available');
vscode.window.showWarningMessage('Live Share API not available.');
return;
}
if (!this._liveShareApi.session) {
console.log('No active session found');
vscode.window.showWarningMessage('No active Live Share session to leave.');
return;
}
const session = this._liveShareApi.session;
console.log('Current session role:', session.role);
if (session.role === (vsls?.Role?.Host)) {
vscode.window.showWarningMessage('Hosts cannot leave their own session. Use "End Session" instead.');
return;
}
console.log('Calling end() on Live Share API to leave session...');
// Remove participant record from Supabase before leaving
await this._sessionSyncService.leaveSession();
await this._liveShareApi.end();
console.log('Live Share leave completed');
// Resume automatic snapshot tracking after leaving session
await this.resumeAutomaticSnapshotting();
this.sessionStartTime = undefined;
this.currentSessionId = undefined;
this.sessionBaselineSnapshotId = undefined;
this.stopParticipantMonitoring();
this.stopDurationUpdater();
this.clearManualInviteLink();
if (this._view) {
this._view.webview.postMessage({
command: 'updateSessionStatus',
status: 'none',
link: '',
participants: 0
});
// Reset button state
this._view.webview.postMessage({
command: 'resetButtonState',
buttonType: 'leave'
});
}
vscode.window.showInformationMessage('Successfully left the Live Share session.');
} catch (error) {
console.error('Error leaving Live Share session:', error);
vscode.window.showErrorMessage('Failed to leave Live Share session: ' + error);
if (this._view) {
this._view.webview.postMessage({
command: 'resetButtonState',
buttonType: 'leave'
});
}
}
}
/**
* Calculates and formats the current session duration.
*
* @returns Formatted duration string (e.g., "1h 30m" or "45m")
*/
private getSessionDuration(): string {
if (!this.sessionStartTime) return '';
const now = new Date();
const diffMs = now.getTime() - this.sessionStartTime.getTime();
const diffMins = Math.floor(diffMs / 60000);
const diffHours = Math.floor(diffMins / 60);
if (diffHours > 0) return `${diffHours}h ${diffMins % 60}m`;
return `${diffMins}m`;
}
/**
* Starts a new Live Share session as host.
* Validates workspace state, creates session, and sets up monitoring.
*/
public async startLiveShareSession() {
if (!vscode.workspace.workspaceFolders || vscode.workspace.workspaceFolders.length === 0) {
vscode.window.showErrorMessage('Please open a project folder before starting a Live Share session.');
return;
}
if (!this._liveShareApi) {
vscode.window.showErrorMessage('Live Share API not available. Please install Live Share extension.');
return;
}
const confirm = await vscode.window.showWarningMessage(
'Warning: Closing this folder or opening another project folder will end the Live Share session for all participants.',
{ modal: true },
'OK'
);
if (confirm !== 'OK') {
// User cancelled, don't start session
return;
}
try {
vscode.window.showInformationMessage('Starting Live Share session...');
const session = await this._liveShareApi.share();
if (session && session.toString()) {
const inviteLink = session.toString();
this._sessionLink = inviteLink;
vscode.window.showInformationMessage(`Live Share session started! Invite link ${inviteLink}`);
if (!this.sessionStartTime) {
this.sessionStartTime = new Date();
console.log('Host sessionStartTime initialized at startLiveShareSession():', this.sessionStartTime);
}
// Start duration updates
this.startDurationUpdater();
vscode.window.showWarningMessage(
'Warning: Closing this folder or opening another project folder will end the Live Share session for all participants.',
{ modal: true }
);
if (this._view) {
this._view.webview.postMessage({
command: 'updateSessionStatus',
status: 'hosting',
link: inviteLink
});
}
} else {
console.warn('Live Share session creation failed or was cancelled - this may be due to Live Share extension issues');
// Don't show intrusive error popup, just log the issue
}
} catch (error) {
console.error('Error starting Live Share session:', error);
vscode.window.showErrorMessage('Error starting Live Share session: ' + error);
}
}
/**
* Joins an existing Live Share session as guest.
* Prompts for invite link and establishes connection.
*/
public async joinLiveShareSession() {
if (!this._liveShareApi) {
vscode.window.showErrorMessage('Live Share API not available. Please install Live Share extension.');
return;
}
try {
const inviteLink = await vscode.window.showInputBox({
prompt: 'Enter Live Share invite link',
placeHolder: 'https://prod.liveshare.vsengsaas.visualstudio.com/join?...',
validateInput: (value) => {
if (!value || value.trim().length === 0) {
return 'Please enter a valid invite link';
}
return null;
}
});
if (!inviteLink) {
return;
}
vscode.window.showInformationMessage('Joining Live Share session...');
const inviteUri = vscode.Uri.parse(inviteLink.trim());
await this._liveShareApi.join(inviteUri);
this._sessionLink = inviteLink;
vscode.window.showInformationMessage('Successfully joined Live Share session!');
this.startDurationUpdater();
if (this._view) {
this._view.webview.postMessage({
command: 'updateSessionStatus',
status: 'joined',
link: inviteLink
});
}
} catch (error) {
console.error('Error joining Live Share session:', error);
vscode.window.showErrorMessage('Error joining Live Share session: ' + error);
}
}
/**
* Joins a Live Share session using a provided invite link
* @param inviteLink - The Live Share session invite link
*/
public async joinLiveShareSessionWithLink(inviteLink: string) {
if (!this._liveShareApi) {
vscode.window.showErrorMessage('Live Share API not available. Please install Live Share extension.');
return;
}
if (!inviteLink || inviteLink.trim().length === 0) {
vscode.window.showErrorMessage('Invalid invite link provided');
return;
}
try {
vscode.window.showInformationMessage('Joining Live Share session...');
const inviteUri = vscode.Uri.parse(inviteLink.trim());
await this._liveShareApi.join(inviteUri);
this._sessionLink = inviteLink;
vscode.window.showInformationMessage('Successfully joined Live Share session!');
this.startDurationUpdater();
if (this._view) {
this._view.webview.postMessage({
command: 'updateSessionStatus',
status: 'joined',
link: inviteLink
});
}
} catch (error) {
console.error('Error joining Live Share session:', error);
vscode.window.showErrorMessage('Error joining Live Share session: ' + error);
}
}
/**
* Sends a team message in the current Live Share session.
*
* @param message - The message text to send
*/
public sendTeamMessage(message: string) {
if (!this._liveShareApi?.session) {
vscode.window.showWarningMessage('Start or join a Live Share session to use team chat.');
return;
}
vscode.window.showInformationMessage(`Team message: ${message}`);
if (this._view) {
this._view.webview.postMessage({
command: 'addMessage',
message: message,
sender: 'You',
timestamp: new Date().toLocaleTimeString()
});
}
}
/**
* Updates team activity information (host only).
*
* @param activity - The activity data to update
*/
public updateTeamActivity(activity: any) {
if (this._liveShareApi?.session?.role !== (vsls?.Role?.Host)) return;
if (this._view) {
this._view.webview.postMessage({
command: 'updateActivity',
activity: activity
});
}
}
/**
* Back-compat: Resolve a peer's display name using announced map or peer fields.
*/
private resolvePeerDisplayName(peer: any): string {
try {
const key = (peer?.user?.emailAddress || peer?.user?.id || peer?.id || '').toLowerCase();
const announced = key ? this._participantNameMap.get(key) : undefined;
if (announced) return announced;
return (
peer?.user?.displayName ||
peer?.displayName ||
(peer as any)?.user?.loginName ||
(peer as any)?.user?.userName ||
peer?.user?.emailAddress ||
'Unknown'
);
} catch {
return 'Unknown';
}
}
/**
* Back-compat: Update participant info (host only) and notify shared service if present.
*/
private async updateParticipantInfo() {
if (!this._liveShareApi?.session) {
return;
}
const session = this._liveShareApi.session;
const isHost = session.role === (vsls?.Role?.Host);
if (!isHost) return;
try {
const peers = (this._liveShareApi.peers || []).filter(Boolean);
const participantCount = peers.length + 1;
const participants: any[] = [];
let selfName = getCachedDisplayName();
if (!selfName) {
try {
const r = await getOrInitDisplayName(true);
selfName = r.displayName;
} catch {
selfName = undefined;
}
}
participants.push({
name: selfName || session.user?.displayName || 'You',
email: session.user?.emailAddress || '',
role: 'Host'
});
for (const peer of peers) {
const resolvedName = this.resolvePeerDisplayName(peer);
participants.push({
name: resolvedName,
email: peer?.user?.emailAddress || '',
role: 'Guest'
});
}
// Notify any legacy shared service listeners
const shared: any = (this as any)._sharedService;
if (shared && typeof shared.notify === 'function') {
shared.notify('participantUpdate', {
count: participantCount,
participants,
duration: this.getSessionDuration()
});
}
if (this._view) {
this._view.webview.postMessage({
command: 'updateParticipants',
participants,
count: participantCount
});
this._view.webview.postMessage({
command: 'updateSessionStatus',
status: 'hosting',
link: this._sessionLink || '',
participants: participantCount,
role: session.role,
duration: this.getSessionDuration()
});
}
} catch {
// swallow in tests
}
}
/**
* Starts the duration updater interval (host only).
* Periodically updates the session duration in the UI.
*/
private startDurationUpdater() {
this.stopDurationUpdater();
if (!this._liveShareApi || !this._liveShareApi.session || this._liveShareApi.session.role !== (vsls?.Role?.Host)) return;
this._durationUpdateInterval = setInterval(() => {
if (!this._liveShareApi || !this._liveShareApi.session || this._liveShareApi.session.role !== (vsls?.Role?.Host)) {
this.stopDurationUpdater();
return;
}
if (this.sessionStartTime && this._view) {
const session = this._liveShareApi.session;
this._view.webview.postMessage({
command: 'updateSessionStatus',
status: 'hosting',
link: this._sessionLink || '',
participants: (this._liveShareApi.peers?.length || 0) + 1,
role: session.role,
duration: this.getSessionDuration()
});
}
}, 30000);
}
/**
* Stops the duration updater interval timer.
*/
private stopDurationUpdater() {
if (this._durationUpdateInterval) {
clearInterval(this._durationUpdateInterval);
this._durationUpdateInterval = undefined;
}
}
/**
* Disposes of the Live Share manager and cleans up resources.
* Stops monitoring intervals and clears references.
*/
public dispose() {
this.stopParticipantMonitoring();
this.stopDurationUpdater();
this._view = undefined;
this._liveShareApi = undefined;
}
/**
* Compatibility shim for older tests expecting a requestHostSessionStartTime method.
* In the current architecture we sync via Supabase, but for tests (and
* backwards compatibility) we still attempt to fetch the host start time
* via Live Share shared service if available.
*/
private async requestHostSessionStartTime() {
try {
// Only guests should request the host start time
if (!this._liveShareApi || !this._liveShareApi.session || this._liveShareApi.session.role !== (vsls?.Role?.Guest)) {
return;
}
const anyApi: any = this._liveShareApi as any;
if (typeof anyApi.getSharedService === 'function') {
const proxy = await anyApi.getSharedService('collabAgentSessionInfo');
if (proxy && proxy.isServiceAvailable && typeof proxy.request === 'function') {
const info = await proxy.request('getSessionInfo');
if (info && info.startTime) {
const hostStart = new Date(info.startTime);
if (!isNaN(hostStart.getTime())) {
this.sessionStartTime = hostStart;
}
}
}
}
} catch {
// Non-fatal for tests; ignore
}
}
/**
* Pauses automatic snapshot tracking when a Live Share session starts.
* Saves any pending local changes before pausing.
* If host, also creates a session baseline snapshot.
* Returns the baseline snapshot ID if host, null otherwise.
*
* CRITICAL WORKFLOW FOR HOSTS:
* 1. Create session baseline FIRST (captures current state with pending changes)
* 2. Save pending changes as automatic snapshot (for AI summary in activity feed)
* 3. Pause automatic tracking
*/
private async pauseAutomaticSnapshotting(isHost: boolean, sessionId?: string): Promise<string | null> {
try {
// Import the snapshot manager
const { snapshotManager } = await import('../extension.js');
// Get current user and team
const userId = await getCurrentUserId();
if (!userId) {
console.log('[LiveShareManager] No user ID, skipping snapshot pause');
return null;
}
const teamId = this._context.globalState.get<string>(this._teamStateKey);
if (!teamId) {
console.log('[LiveShareManager] No team ID, skipping snapshot pause');
return null;
}
let baselineSnapshotId: string | null = null;
// STEP 1: If host, create session baseline FIRST (before saving pending changes)
// This ensures the baseline includes the pending work
if (isHost && sessionId) {
console.log('[LiveShareManager] Host: Step 1 - Creating session baseline (with pending changes)');
baselineSnapshotId = await snapshotManager.createSessionBaseline(userId, teamId, sessionId);
console.log('[LiveShareManager] Session baseline snapshot ID:', baselineSnapshotId);
}
// STEP 2: Save pending changes and pause automatic tracking
// For hosts: This saves the pending changes as an automatic snapshot (gets AI summary)
// For guests: Same behavior
console.log('[LiveShareManager] Step 2 - Saving pending changes and pausing tracking');
await snapshotManager.pauseAutomaticTracking(userId, teamId);
console.log('[LiveShareManager] Automatic tracking paused successfully');
return baselineSnapshotId;
} catch (err) {
console.error('[LiveShareManager] Failed to pause automatic tracking:', err);
return null;
}
}
/**
* Resumes automatic snapshot tracking after a Live Share session ends.
* Takes a new initial snapshot to set a fresh baseline.
*/
private async resumeAutomaticSnapshotting() {
try {
// Import the snapshot manager
const { snapshotManager } = await import('../extension.js');
// Get current user and team
const userId = await getCurrentUserId();
if (!userId) {
console.log('[LiveShareManager] No user ID, skipping snapshot resume');
return;
}
const teamId = this._context.globalState.get<string>(this._teamStateKey);
const projectName = vscode.workspace.workspaceFolders?.[0]?.name ?? 'untitled-workspace';
console.log('[LiveShareManager] Resuming automatic snapshot tracking');
// Resume automatic tracking (this also takes a new baseline snapshot)
await snapshotManager.resumeAutomaticTracking(userId, projectName, teamId);
console.log('[LiveShareManager] Automatic tracking resumed successfully');
} catch (err) {
console.error('[LiveShareManager] Failed to resume automatic tracking:', err);
}
}
}
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