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Injectable,
Logger,
NotFoundException,
Inject,
forwardRef,
InternalServerErrorException,
BadRequestException,
} from '@nestjs/common';
import { InjectRepository } from '@nestjs/typeorm';
import { In, Repository } from 'typeorm';
import * as fs from 'fs/promises';
import * as path from 'path';
import { exec } from 'child_process';
import { promisify } from 'util';
import { AIAction, SessionInput } from '../core-entities';
import {
AIActionsService,
AIActionStatus,
ActionResult,
ConfirmedActionInfo,
DiscardedActionInfo,
} from './ai-actions.service';
import { ExecutionLogsService } from '../execution-logs/execution-logs.service';
import { ApplicationStateService } from '../application-state/application-state.service';
import { ChatService } from '../interactive-chat/chat.service';
import { LlmResponsesService } from '../llm-responses/llm-responses.service';
import { McpService } from '../mcp/mcp.service';
import { Trace } from '../utils';
const execAsync = promisify(exec);
@Injectable()
export class AIActionBatchService {
private readonly logger = new Logger(AIActionBatchService.name);
private readonly projectRoot: string =
process.env.REPOBURG_PROJECT_PATH || process.cwd();
constructor(
@InjectRepository(AIAction)
private aiActionsRepository: Repository<AIAction>,
@InjectRepository(SessionInput)
private sessionInputsRepository: Repository<SessionInput>,
private readonly aiActionsService: AIActionsService,
private readonly executionLogsService: ExecutionLogsService,
private readonly applicationStateService: ApplicationStateService,
@Inject(forwardRef(() => ChatService))
private readonly chatService: ChatService,
@Inject(forwardRef(() => LlmResponsesService))
private readonly llmResponsesService: LlmResponsesService,
private readonly mcpService: McpService,
) {}
// --- Start of Consolidated Logic from ActionExecutionService ---
private resolveAndValidatePath(unsafePath: string): string {
const normalizedPath = path.normalize(unsafePath);
Iif (path.isAbsolute(normalizedPath)) {
throw new BadRequestException(
`Absolute paths are not allowed: ${unsafePath}`,
);
}
const resolvedPath = path.resolve(this.projectRoot, normalizedPath);
Iif (!resolvedPath.startsWith(this.projectRoot)) {
this.logger.warn(`Path traversal attempt detected: ${unsafePath}`);
throw new BadRequestException(
`Path traversal is not allowed. Access denied for path: ${unsafePath}`,
);
}
return resolvedPath;
}
@Trace()
private async createFile(filePath: string, content: string): Promise<void> {
const safePath = this.resolveAndValidatePath(filePath);
const dir = path.dirname(safePath);
try {
await fs.mkdir(dir, { recursive: true });
await fs.writeFile(safePath, content, 'utf8');
this.logger.log(`Created file: ${safePath}`);
} catch (error) {
this.logger.error(`Error creating file ${safePath}: ${error.message}`);
throw new InternalServerErrorException(
`Failed to create file "${filePath}": ${error.message}`,
);
}
}
@Trace()
private async editFile(filePath: string, newContent: string): Promise<void> {
const safePath = this.resolveAndValidatePath(filePath);
try {
const dir = path.dirname(safePath);
await fs.mkdir(dir, { recursive: true });
await fs.writeFile(safePath, newContent, 'utf8');
this.logger.log(`Edited file: ${safePath}`);
} catch (error) {
this.logger.error(`Error editing file ${safePath}: ${error.message}`);
throw new InternalServerErrorException(
`Failed to edit file "${filePath}": ${error.message}`,
);
}
}
@Trace()
private async deleteFile(filePath: string): Promise<void> {
const safePath = this.resolveAndValidatePath(filePath);
try {
await fs.access(safePath); // Check if file exists
await fs.unlink(safePath);
this.logger.log(`Deleted file: ${safePath}`);
} catch (error) {
this.logger.error(`Error deleting file ${safePath}: ${error.message}`);
if (error.code === 'ENOENT') {
throw new NotFoundException(
`File not found, cannot delete: "${filePath}"`,
);
}
throw new InternalServerErrorException(
`Failed to delete file "${filePath}": ${error.message}`,
);
}
}
@Trace()
private async runCommand(
commandString: string,
): Promise<{ stdout: string; stderr: string }> {
this.logger.log(`Executing command: ${commandString}`);
try {
const { stdout, stderr } = await execAsync(commandString, {
cwd: this.projectRoot,
maxBuffer: 128 * 1024 * 1024,
timeout: 15000,
});
Iif (stderr) {
this.logger.warn(
`Command "${commandString}" produced stderr: ${stderr}`,
);
}
this.logger.log(
`Command "${commandString}" stdout: ${stdout || '(no stdout)'}`,
);
return { stdout, stderr };
} catch (error) {
this.logger.error(
`Error executing command "${commandString}": ${error.message}`,
error.stack,
);
const execError = error as any;
const unifiedOutput = `COMMAND FAILED: ${execError.message}\n\nSTDOUT:\n${
execError.stdout || 'N/A'
}\n\nSTDERR:\n${execError.stderr || 'N/A'}`;
return { stdout: unifiedOutput, stderr: '' };
}
}
@Trace()
private async useMcpTool(
serverName: string,
toolName: string,
args: any,
): Promise<{ stdout: string; stderr: string }> {
this.logger.log(
`Executing MCP tool: ${serverName}.${toolName} with args ${JSON.stringify(
args,
)}`,
);
try {
return await this.mcpService.executeMcpTool(serverName, toolName, args);
} catch (error) {
this.logger.error(
`Error executing MCP tool "${serverName}.${toolName}": ${error.message}`,
error.stack,
);
const unifiedOutput = `MCP TOOL FAILED: ${error.message}`;
return { stdout: unifiedOutput, stderr: '' };
}
}
// --- End of Consolidated Logic ---
async applyApprovedActions(inputId: string): Promise<ActionResult[]> {
const sessionInput = await this.sessionInputsRepository.findOneBy({
id: inputId,
});
if (!sessionInput) {
throw new NotFoundException(
`SessionInput with ID "${inputId}" not found.`,
);
}
const actionsToApply = await this.aiActionsRepository.find({
where: {
input_id: inputId,
status: AIActionStatus.APPROVED_FOR_APPLY,
},
order: { order_of_execution: 'ASC', created_at: 'ASC' },
});
if (actionsToApply.length === 0) {
this.logger.log(
`No actions in "approved_for_apply" state for input ID "${inputId}".`,
);
return [];
}
const results: ActionResult[] = [];
for (const action of actionsToApply) {
let outcomeMessage = '';
let errorMessage: string | undefined = undefined;
let actionSucceeded = false;
try {
this.logger.log(
`Attempting to apply action ID ${action.id}, type ${action.action_type}`,
);
switch (action.action_type) {
case 'create_file':
if (
!action.file_path ||
action.content === null ||
action.content === undefined
) {
throw new Error(
'Missing file_path or content for create_file action.',
);
}
await this.createFile(action.file_path, action.content);
outcomeMessage = `File "${action.file_path}" created successfully.`;
break;
case 'overwrite_file':
Iif (
!action.file_path ||
action.content === null ||
action.content === undefined
) {
throw new Error(
'Missing file_path or content for overwrite_file action.',
);
}
await this.editFile(action.file_path, action.content);
outcomeMessage = `File "${action.file_path}" overwritten successfully.`;
break;
case 'delete_file':
Iif (!action.file_path) {
throw new Error('Missing file_path for delete_file action.');
}
await this.deleteFile(action.file_path);
outcomeMessage = `File "${action.file_path}" deleted successfully.`;
break;
case 'run_command':
Iif (!action.command_string) {
throw new Error('Missing command_string for run_command action.');
}
const cmdResult = await this.runCommand(action.command_string);
outcomeMessage = `Command "${
action.command_string
}" executed. Output: ${cmdResult.stdout || '(no stdout)'}`;
Iif (cmdResult.stderr) {
this.logger.warn(
`Command stderr for action ${action.id}: ${cmdResult.stderr}`,
);
outcomeMessage += `\nStderr: ${cmdResult.stderr}`;
}
const isManualFlow =
await this.applicationStateService.getManualLlmEnabled();
const message = `The previous 'run_command' action produced this output. Please analyze it and continue with the next logical step based on the original request. Do not just describe the output; use it to proceed.\n\nOUTPUT:\n${cmdResult.stdout}`;
this.chatService
.sendMessage(sessionInput.session_id, message, isManualFlow)
.catch((err) => {
this.logger.error(
`Follow-up LLM call from run_command failed: ${err.message}`,
err.stack,
);
});
break;
default: {
// Handle MCP tool calls (serverName__toolName pattern)
const mcpMatch = action.action_type.match(/^([^_]+)__(.+)$/);
if (mcpMatch) {
const [, serverName, toolName] = mcpMatch;
if (!action.arguments) {
throw new Error(
`Missing arguments for MCP tool action: ${action.action_type}`,
);
}
const mcpResult = await this.useMcpTool(
serverName,
toolName,
JSON.parse(action.arguments),
);
outcomeMessage = `MCP Tool "${serverName}.${toolName}" executed. Output: ${mcpResult.stdout || '(no stdout)'}`;
if (mcpResult.stderr) {
this.logger.warn(
`MCP Tool stderr for action ${action.id}: ${mcpResult.stderr}`,
);
outcomeMessage += `\nStderr: ${mcpResult.stderr}`;
}
const isMcpManualFlow =
await this.applicationStateService.getManualLlmEnabled();
const mcpMessage = `The previous MCP tool "${serverName}.${toolName}" produced this output. Please analyze it and continue with the next logical step based on the original request. Do not just describe the output; use it to proceed.\n\nTOOL: ${serverName}.${toolName}\nOUTPUT:\n${mcpResult.stdout}`;
this.chatService
.sendMessage(
sessionInput.session_id,
mcpMessage,
isMcpManualFlow,
)
.catch((err) => {
this.logger.error(
`Follow-up LLM call from MCP tool failed: ${err.message}`,
err.stack,
);
});
} else {
throw new Error(
`Unsupported action_type: "${action.action_type}"`,
);
}
break;
}
}
action.status = AIActionStatus.CONFIRMED_KEPT;
actionSucceeded = true;
this.logger.log(`Action ID ${action.id} applied successfully.`);
} catch (error) {
this.logger.error(
`Failed to apply action ID ${action.id}: ${error.message}`,
error.stack,
);
action.status = AIActionStatus.EXECUTION_FAILED;
errorMessage = error.message;
outcomeMessage = `Failed to apply action: ${error.message}`;
}
const log = await this.executionLogsService.createLog({
action_id: action.id,
output: actionSucceeded ? outcomeMessage : undefined,
error_message: errorMessage,
});
await this.aiActionsRepository.save(action);
const reloadedAction = await this.aiActionsService.findOne(action.id);
results.push({
action_id: action.id,
status: reloadedAction.status,
logs: reloadedAction.executionLogs || [log],
});
}
return results;
}
async discardAllActionsForInput(
inputId: string,
): Promise<DiscardedActionInfo[]> {
const sessionInput = await this.sessionInputsRepository.findOneBy({
id: inputId,
});
Iif (!sessionInput) {
throw new NotFoundException(
`SessionInput with ID "${inputId}" not found.`,
);
}
const actionsToDiscard = await this.aiActionsRepository.find({
where: {
input_id: inputId,
status: In([
AIActionStatus.PROPOSED,
AIActionStatus.APPROVED_FOR_APPLY,
]),
},
});
Iif (actionsToDiscard.length === 0) {
this.logger.log(
`No actions in "proposed" or "approved_for_apply" state for input ID "${inputId}" to discard.`,
);
return [];
}
const results: DiscardedActionInfo[] = [];
for (const action of actionsToDiscard) {
action.status = AIActionStatus.REJECTED_BEFORE_APPLY;
await this.aiActionsRepository.save(action);
results.push({
action_id: action.id,
status: action.status,
});
this.logger.log(
`Action ID ${action.id} for input ${inputId} discarded, status set to ${action.status}.`,
);
}
return results;
}
async confirmAllAppliedActionsForInput(
inputId: string,
): Promise<ConfirmedActionInfo[]> {
const sessionInput = await this.sessionInputsRepository.findOneBy({
id: inputId,
});
Iif (!sessionInput) {
throw new NotFoundException(
`SessionInput with ID "${inputId}" not found.`,
);
}
const actionsToConfirm = await this.aiActionsRepository.find({
where: {
input_id: inputId,
status: AIActionStatus.APPLIED_PENDING_REVIEW,
},
});
Iif (actionsToConfirm.length === 0) {
this.logger.log(
`No actions in "${AIActionStatus.APPLIED_PENDING_REVIEW}" state for input ID "${inputId}" to confirm.`,
);
return [];
}
const results: ConfirmedActionInfo[] = [];
for (const action of actionsToConfirm) {
action.status = AIActionStatus.CONFIRMED_KEPT;
await this.aiActionsRepository.save(action);
results.push({
action_id: action.id,
status: action.status,
});
this.logger.log(
`Action ID ${action.id} for input ${inputId} confirmed kept, status set to ${action.status}.`,
);
}
return results;
}
async revertAllAppliedActionsForInput(
inputId: string,
): Promise<ActionResult[]> {
const sessionInput = await this.sessionInputsRepository.findOneBy({
id: inputId,
});
if (!sessionInput) {
throw new NotFoundException(
`SessionInput with ID "${inputId}" not found. Cannot revert actions.`,
);
}
const actionsToRevert = await this.aiActionsRepository.find({
where: {
input_id: inputId,
status: AIActionStatus.APPLIED_PENDING_REVIEW,
},
order: { order_of_execution: 'DESC', created_at: 'DESC' }, // Revert in reverse order
});
Iif (actionsToRevert.length === 0) {
this.logger.log(
`No actions in "${AIActionStatus.APPLIED_PENDING_REVIEW}" state for input ID "${inputId}" to revert.`,
);
return [];
}
const results: ActionResult[] = [];
for (const action of actionsToRevert) {
const revertedAction = await this.aiActionsService.revertAction(
action.id,
);
results.push({
action_id: revertedAction.id,
status: revertedAction.status,
logs: revertedAction.executionLogs || [],
});
}
this.logger.log(
`Attempted to revert ${actionsToRevert.length} actions for input ID "${inputId}".`,
);
return results;
}
}
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