code_work_spawner/lib/src/issue_assistant_app.dart

620 lines
19 KiB
Dart

import 'dart:async';
import 'dart:convert';
import 'package:crypto/crypto.dart';
import 'package:logging/logging.dart';
import 'cli_responder.dart';
import 'config.dart';
import 'database.dart';
import 'issue_event_source/base.dart';
import 'issue_event_source/gitea_gosmee.dart';
import 'issue_event_source/github_gosmee.dart';
import 'issue_event_source/github_webhook_forward.dart';
import 'issue_tracker_client.dart';
import 'notifier.dart';
import 'workspace_manager.dart';
class IssueAssistantApp {
static final Logger _logger = Logger('code_work_spawner.app');
IssueAssistantApp._({
required this.config,
required this.database,
required this.issueTrackerClient,
required this.issueEventSource,
required this.responderRunner,
required this.workspaceManager,
required this.notifierRegistryFactory,
});
final AppConfig config;
final AppDatabase database;
final IssueTrackerClient issueTrackerClient;
final IssueEventSource issueEventSource;
final CliResponderRunner responderRunner;
final WorkspaceManager workspaceManager;
final Map<String, Future<void>> _issueProcessingFutures = {};
final NotifierRegistry Function(ProjectConfig project)
notifierRegistryFactory;
static Future<IssueAssistantApp> open({
required AppConfig config,
required String databasePath,
String ghCommand = 'gh',
String gosmeeCommand = 'gosmee',
String teaCommand = 'tea',
}) async {
final database = AppDatabase.open(databasePath);
final issueTrackerClient = IssueTrackerClient(
ghCommand: ghCommand,
teaCommand: teaCommand,
);
final pollingIssueEventSource = PollingIssueEventSource(
database: database,
issueTrackerClient: issueTrackerClient,
logger: _logger,
);
return IssueAssistantApp._(
config: config,
database: database,
issueTrackerClient: issueTrackerClient,
issueEventSource: RoutedIssueEventSource(
sources: {
IssueAssistantEventSourceKind.ghPolling: pollingIssueEventSource,
IssueAssistantEventSourceKind.teaPolling: pollingIssueEventSource,
IssueAssistantEventSourceKind.ghGosmee: GitHubGosmeeIssueEventSource(
issueTrackerClient: issueTrackerClient,
gosmeeCommand: gosmeeCommand,
logger: _logger,
),
IssueAssistantEventSourceKind.ghWebhookForward:
GitHubWebhookForwardIssueEventSource(
issueTrackerClient: issueTrackerClient,
logger: _logger,
),
IssueAssistantEventSourceKind.teaGosmee: GiteaGosmeeIssueEventSource(
issueTrackerClient: issueTrackerClient,
gosmeeCommand: gosmeeCommand,
logger: _logger,
),
},
),
responderRunner: CliResponderRunner(),
workspaceManager: WorkspaceManager(worktreeRoot: config.worktreeDir),
notifierRegistryFactory: (project) => NotifierRegistry.fromConfigs(
project.issueAssistant.notifications,
log: _logger.warning,
),
);
}
Future<void> run() async {
final enabledProjects = config.projects.values
.where((project) => project.issueAssistant.enabled)
.toList(growable: false);
if (enabledProjects.isEmpty) {
_log('no enabled projects configured');
return;
}
await issueEventSource.run(
projects: enabledProjects,
onBatch: _processBatch,
);
}
Future<void> runOnce() async {
final enabledProjects = <ProjectConfig>[];
for (final project in config.projects.values) {
if (!project.issueAssistant.enabled) {
_log('skip project=${project.key} reason=issue_assistant_disabled');
continue;
}
enabledProjects.add(project);
}
if (enabledProjects.isEmpty) {
_log('no enabled projects configured');
return;
}
await issueEventSource.runOnce(
projects: enabledProjects,
onBatch: _processBatch,
);
}
Future<void> close() async {
await issueEventSource.close();
await database.close();
}
Future<void> _processBatch(IssueEventBatch batch) {
_log(
'project=${batch.project.key} tracker_source=${batch.sourceKind} '
'fetched_issues=${batch.issues.length}',
);
return _processIssuesConcurrently(batch.project, batch.issues);
}
Future<void> _processIssuesConcurrently(
ProjectConfig project,
List<GitHubIssueSummary> issues,
) async {
if (issues.isEmpty) {
return;
}
var nextIndex = 0;
Future<void> worker() async {
while (true) {
final currentIndex = nextIndex;
if (currentIndex >= issues.length) {
return;
}
nextIndex += 1;
final activeCount =
currentIndex + 1 <= project.issueAssistant.maxConcurrentIssues
? currentIndex + 1
: project.issueAssistant.maxConcurrentIssues;
_log(
'project=${project.key} process_issue issue=${issues[currentIndex].number} '
'queue_index=${currentIndex + 1}/${issues.length} active_limit=$activeCount',
);
await _processIssueSerialized(project, issues[currentIndex]);
}
}
final workerCount =
issues.length < project.issueAssistant.maxConcurrentIssues
? issues.length
: project.issueAssistant.maxConcurrentIssues;
await Future.wait([for (var i = 0; i < workerCount; i += 1) worker()]);
}
Future<void> _processIssue(
ProjectConfig project,
GitHubIssueSummary issue,
) async {
final notifierRegistry = notifierRegistryFactory(project);
final thread = await issueTrackerClient.fetchThread(
provider: project.provider,
repo: project.repoSlug,
issue: issue,
);
final fingerprint = _fingerprintThread(thread);
final record = await database.findIssueThread(project.key, issue.number);
if (record?.lastEvaluatedFingerprint == fingerprint) {
_log(
'skip issue=${project.key}#${issue.number} reason=fingerprint_unchanged',
);
return;
}
final trigger = _determineTrigger(project, thread);
_log(
'evaluate issue=${project.key}#${issue.number} '
'comments=${thread.comments.length} trigger=$trigger',
);
final baseNotificationContext = NotificationContext(
projectKey: project.key,
repo: project.repo,
issueNumber: issue.number,
issueTitle: thread.issue.title,
issueUrl: thread.issue.url,
trigger: trigger,
);
if (trigger == 'mention') {
await notifierRegistry.notify(
event: NotificationEvent.mentionDetected,
context: baseNotificationContext,
);
}
final jobId = await database.createJob(
projectKey: project.key,
issueNumber: issue.number,
fingerprint: fingerprint,
trigger: trigger,
status: JobStatus.queued,
);
await database.upsertIssueThread(
projectKey: project.key,
issueNumber: issue.number,
fingerprint: fingerprint,
updatedAt: issue.updatedAt,
lastEvaluatedFingerprint: record?.lastEvaluatedFingerprint,
lastDecision: record?.lastDecision,
lastCommentId: record?.lastCommentId,
lastCommentUrl: record?.lastCommentUrl,
);
await database.updateJobStatus(jobId, JobStatus.running);
final forceReply = trigger == 'mention';
final prompt = _buildPrompt(
project: project,
thread: thread,
trigger: trigger,
);
if (project.issueAssistant.responders.isEmpty) {
_logError(
'issue=${project.key}#${issue.number} '
'skipped no_responders_configured',
);
await database.upsertIssueThread(
projectKey: project.key,
issueNumber: issue.number,
fingerprint: fingerprint,
updatedAt: issue.updatedAt,
lastEvaluatedFingerprint: fingerprint,
lastDecision: record?.lastDecision,
lastCommentId: record?.lastCommentId,
lastCommentUrl: record?.lastCommentUrl,
);
await database.updateJobStatus(jobId, JobStatus.skipped);
return;
}
ResponderResult? selectedResult;
Object? lastError;
final needsWorktree = _looksLikeBugVerification(thread);
final workspacePath = await workspaceManager.createEphemeralWorktree(
project.path,
);
_log(
'issue=${project.key}#${issue.number} workspace_mode='
'worktree workspace=$workspacePath',
);
try {
for (final responder in project.issueAssistant.responders) {
_log(
'run responder=${responder.id} issue=${project.key}#${issue.number} '
'mode_hint=${needsWorktree ? "bug_verification" : "planning"} '
'workspace=$workspacePath',
);
try {
final result = await responderRunner.run(
responder: responder,
project: project,
thread: thread,
prompt: prompt,
forceReply: forceReply,
workspacePath: workspacePath,
);
await database.addExecutionRun(
jobId: jobId,
responderId: result.responderId,
mode: result.mode,
decision: result.decision,
success: true,
workspacePath: workspacePath,
stdout: result.rawStdout,
stderr: result.rawStderr,
);
_logResponderOutput(
responderId: responder.id,
issueKey: '${project.key}#${issue.number}',
stdout: result.rawStdout,
stderr: result.rawStderr,
);
_log(
'responder=${responder.id} issue=${project.key}#${issue.number}, '
'title="${thread.issue.title}", '
'decision=${result.decision}, mode=${result.mode}',
);
selectedResult = forceReply && !result.shouldReply
? result.forceReply()
: result;
if (forceReply && !result.shouldReply) {
_log(
'responder=${responder.id} issue=${project.key}#${issue.number} '
'override=force_reply original_decision=${result.decision}',
);
}
break;
} catch (error) {
lastError = error;
final rawStdout = switch (error) {
CliResponderExecutionException(:final rawStdout) => rawStdout,
_ => '',
};
final rawStderr = switch (error) {
CliResponderExecutionException(:final rawStderr) => rawStderr,
_ => error.toString(),
};
_logResponderOutput(
responderId: responder.id,
issueKey: '${project.key}#${issue.number}',
stdout: rawStdout,
stderr: rawStderr,
);
_log(
'responder=${responder.id} issue=${project.key}#${issue.number} '
'failed error=$error',
);
await notifierRegistry.notify(
event: NotificationEvent.responderFailed,
context: NotificationContext(
projectKey: project.key,
repo: project.repo,
issueNumber: issue.number,
issueTitle: thread.issue.title,
issueUrl: thread.issue.url,
trigger: trigger,
responderId: responder.id,
errorSummary: error.toString(),
),
);
await database.addExecutionRun(
jobId: jobId,
responderId: responder.id,
mode: 'error',
decision: 'no_reply',
success: false,
workspacePath: workspacePath,
stdout: rawStdout,
stderr: rawStderr,
);
}
}
} finally {
await workspaceManager.disposeEphemeralWorktree(workspacePath);
}
if (selectedResult == null) {
await database.updateJobStatus(jobId, JobStatus.failed);
_log(
'issue=${project.key}#${issue.number} failed no_responder_succeeded',
);
throw StateError(
'All responders failed for ${project.key}#${issue.number}: $lastError',
);
}
if (!selectedResult.shouldReply) {
await database.upsertIssueThread(
projectKey: project.key,
issueNumber: issue.number,
fingerprint: fingerprint,
updatedAt: issue.updatedAt,
lastEvaluatedFingerprint: fingerprint,
lastDecision: selectedResult.decision,
lastCommentId: record?.lastCommentId,
lastCommentUrl: record?.lastCommentUrl,
);
await database.updateJobStatus(jobId, JobStatus.completed);
_log('issue=${project.key}#${issue.number} completed decision=no_reply');
await notifierRegistry.notify(
event: NotificationEvent.noReply,
context: NotificationContext(
projectKey: project.key,
repo: project.repo,
issueNumber: issue.number,
issueTitle: thread.issue.title,
issueUrl: thread.issue.url,
trigger: trigger,
mode: selectedResult.mode,
responderId: selectedResult.responderId,
decision: selectedResult.decision,
summary: selectedResult.summary,
),
);
return;
}
final commentBody = await _decorateComment(
project: project,
issueNumber: issue.number,
trigger: trigger,
fingerprint: fingerprint,
markdown: selectedResult.markdown,
);
final posted = await issueTrackerClient.createIssueComment(
provider: project.provider,
repo: project.repoSlug,
issueNumber: issue.number,
body: commentBody,
);
await database.addCommentRecord(
projectKey: project.key,
issueNumber: issue.number,
fingerprint: fingerprint,
githubCommentId: posted.id,
githubCommentUrl: posted.url,
body: posted.body,
);
await database.upsertIssueThread(
projectKey: project.key,
issueNumber: issue.number,
fingerprint: fingerprint,
updatedAt: issue.updatedAt,
lastEvaluatedFingerprint: fingerprint,
lastDecision: selectedResult.decision,
lastCommentId: posted.id,
lastCommentUrl: posted.url,
);
await database.updateJobStatus(jobId, JobStatus.completed);
_log('issue=${project.key}#${issue.number} posted_comment_id=${posted.id}');
await notifierRegistry.notify(
event: NotificationEvent.replyPosted,
context: NotificationContext(
projectKey: project.key,
repo: project.repo,
issueNumber: issue.number,
issueTitle: thread.issue.title,
issueUrl: thread.issue.url,
trigger: trigger,
mode: selectedResult.mode,
responderId: selectedResult.responderId,
decision: selectedResult.decision,
summary: selectedResult.summary,
),
);
}
Future<void> _processIssueSerialized(
ProjectConfig project,
GitHubIssueSummary issue,
) async {
final issueKey = '${project.key}#${issue.number}';
final previous = _issueProcessingFutures[issueKey];
late final Future<void> current;
current = () async {
if (previous != null) {
await previous.catchError((_) {});
}
await _processIssue(project, issue);
}();
_issueProcessingFutures[issueKey] = current;
try {
await current;
} finally {
if (identical(_issueProcessingFutures[issueKey], current)) {
_issueProcessingFutures.remove(issueKey);
}
}
}
String _buildPrompt({
required ProjectConfig project,
required IssueThread thread,
required String trigger,
}) {
final payload = <String, String>{
'repo': project.repo,
'tracker_provider': project.provider.name,
'project_key': project.key,
'project_path': project.path,
'issue_number': thread.issue.number.toString(),
'issue_title': thread.issue.title,
'issue_body': thread.issue.body,
'issue_url': thread.issue.url,
'thread_json': const JsonEncoder.withIndent(
' ',
).convert(thread.toJson()),
'mention_triggers': project.issueAssistant.mentionTriggers.join(', '),
'trigger': trigger,
'capabilities': project.issueAssistant.capabilities
.map((capability) => capability.name)
.join(', '),
};
return renderTemplate(project.issueAssistant.prompt, payload);
}
String _determineTrigger(ProjectConfig project, IssueThread thread) {
final latestText = thread.latestComment?.body ?? thread.issue.body;
final latestAuthor =
thread.latestComment?.userLogin ?? thread.issue.userLogin;
final latestTextLower = latestText.toLowerCase();
final mention = project.issueAssistant.mentionTriggers.any(
(trigger) => latestTextLower.contains(trigger.toLowerCase()),
);
if (mention && !_looksLikeBot(project, latestAuthor)) {
return 'mention';
}
return 'update';
}
bool _looksLikeBot(ProjectConfig project, String login) {
final lower = login.toLowerCase();
if (lower.endsWith('[bot]')) {
return true;
}
return lower.contains(project.issueAssistant.commentTag.toLowerCase());
}
bool _looksLikeBugVerification(IssueThread thread) {
final text = [
thread.issue.title,
thread.issue.body,
if (thread.latestComment != null) thread.latestComment!.body,
].join('\n').toLowerCase();
return text.contains('bug') &&
(text.contains('verify') ||
text.contains('test') ||
text.contains('reproduce'));
}
String _fingerprintThread(IssueThread thread) {
final bytes = utf8.encode(jsonEncode(thread.toJson()));
return sha256.convert(bytes).toString();
}
Future<String> _decorateComment({
required ProjectConfig project,
required int issueNumber,
required String trigger,
required String fingerprint,
required String markdown,
}) async {
var trackerLogin = 'unknown';
try {
trackerLogin =
await issueTrackerClient.getAuthenticatedLogin(
provider: project.provider,
) ??
'unknown';
} catch (error) {
_log(
'comment_identity_lookup_failed project=${project.key} '
'issue=$issueNumber error=$error',
);
}
final trackerCli = issueTrackerClient.trackerCliName(project.provider);
final templateValues = <String, String>{
'repo': project.repo,
'project_key': project.key,
'issue_number': issueNumber.toString(),
'trigger': trigger,
'comment_tag': project.issueAssistant.commentTag,
'fingerprint': fingerprint,
'tracker_cli': trackerCli,
'tracker_login': trackerLogin,
'gh_login': trackerLogin,
};
final prefix = renderTemplate(
project.issueAssistant.commentPrefixTemplate,
templateValues,
).trim();
final footer = renderTemplate(
project.issueAssistant.commentFooterTemplate,
templateValues,
).trim();
final sections = <String>[
if (prefix.isNotEmpty) prefix,
markdown.trim(),
if (footer.isNotEmpty) footer,
'<!-- ${project.issueAssistant.commentTag}:$fingerprint -->',
];
return sections.where((section) => section.isNotEmpty).join('\n\n');
}
void _log(String message) {
_logger.info(message);
}
void _logError(String message) {
_logger.severe(message);
}
void _logResponderOutput({
required String responderId,
required String issueKey,
required String stdout,
required String stderr,
}) {
if (stdout.isNotEmpty) {
_log('responder=$responderId issue=$issueKey stream=stdout\n$stdout');
}
if (stderr.isNotEmpty) {
_log('responder=$responderId issue=$issueKey stream=stderr\n$stderr');
}
}
}