first commit

backend/src/utils/audit.ts

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+import { prisma } from '../config/database';
+
+interface AuditLogData {
+  userId: string | null;
+  action: string;
+  resource: string;
+  resourceId?: string;
+  details?: any;
+  ipAddress?: string | null;
+  userAgent?: string | null;
+}
+
+export const createAuditLog = async (data: AuditLogData) => {
+  try {
+    const auditData: any = {
+      userId: data.userId,
+      action: data.action,
+      resource: data.resource
+    };
+
+    // 只添加非undefined的字段
+    if (data.resourceId !== undefined) {
+      auditData.resourceId = data.resourceId;
+    }
+    if (data.details !== undefined) {
+      auditData.details = data.details;
+    }
+    if (data.ipAddress !== undefined) {
+      auditData.ipAddress = data.ipAddress;
+    }
+    if (data.userAgent !== undefined) {
+      auditData.userAgent = data.userAgent;
+    }
+
+    await prisma.auditLog.create({
+      data: auditData
+    });
+  } catch (error) {
+    console.error('Failed to create audit log:', error);
+  }
+}; 

backend/src/utils/logger.ts

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+import winston from 'winston';
+
+const logFormat = winston.format.combine(
+  winston.format.timestamp(),
+  winston.format.errors({ stack: true }),
+  winston.format.json()
+);
+
+export const logger = winston.createLogger({
+  level: process.env.NODE_ENV === 'production' ? 'info' : 'debug',
+  format: logFormat,
+  defaultMeta: { service: 'pandora-backend' },
+  transports: [
+    new winston.transports.File({ filename: 'logs/error.log', level: 'error' }),
+    new winston.transports.File({ filename: 'logs/combined.log' }),
+  ],
+});
+
+if (process.env.NODE_ENV !== 'production') {
+  logger.add(new winston.transports.Console({
+    format: winston.format.combine(
+      winston.format.colorize(),
+      winston.format.simple()
+    )
+  }));
+}