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https://github.com/pacnpal/thrilltrack-explorer.git
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Add comprehensive edge-function error handling
Enhance error handling and logging across all edge functions: - Introduce a shared edgeFunctionWrapper with standardized error handling, request/response logging, tracing, and validation hooks. - Add runtime type validation utilities (ValidationError, validators, and parse/validate helpers) and integrate into edge flow. - Implement robust validation for incoming requests and known type mismatches, with detailed logs and structured responses. - Add post-RPC and post-database error logging to surface type/mismatch issues early. - Update approval/rejection entry points to leverage new validators and centralized error handling.
This commit is contained in:
gpt-engineer-app[bot]
341
supabase/functions/_shared/edgeFunctionWrapper.ts
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341
supabase/functions/_shared/edgeFunctionWrapper.ts
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/**
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* Edge Function Wrapper with Comprehensive Error Handling
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*
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* Provides standardized:
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* - Request/response logging
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* - Error handling and formatting
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* - Distributed tracing
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* - Type validation
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* - Performance monitoring
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*/
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import {
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edgeLogger,
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startSpan,
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endSpan,
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addSpanEvent,
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logSpan,
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extractSpanContextFromHeaders,
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type Span
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} from './logger.ts';
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import { formatEdgeError, toError } from './errorFormatter.ts';
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import { ValidationError, logValidationError } from './typeValidation.ts';
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export interface EdgeFunctionConfig {
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name: string;
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requireAuth?: boolean;
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corsHeaders?: HeadersInit;
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logRequests?: boolean;
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logResponses?: boolean;
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}
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export interface EdgeFunctionContext {
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requestId: string;
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span: Span;
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userId?: string;
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}
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export type EdgeFunctionHandler = (
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req: Request,
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context: EdgeFunctionContext
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) => Promise<Response>;
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/**
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* Wrap an edge function with comprehensive error handling
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*/
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export function wrapEdgeFunction(
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config: EdgeFunctionConfig,
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handler: EdgeFunctionHandler
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): (req: Request) => Promise<Response> {
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const {
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name,
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requireAuth = true,
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corsHeaders = {},
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logRequests = true,
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logResponses = true,
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} = config;
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return async (req: Request): Promise<Response> => {
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// ========================================================================
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// STEP 1: Handle CORS preflight
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// ========================================================================
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if (req.method === 'OPTIONS') {
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return new Response(null, {
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status: 204,
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headers: corsHeaders
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});
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}
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// ========================================================================
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// STEP 2: Initialize tracing
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// ========================================================================
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const parentSpanContext = extractSpanContextFromHeaders(req.headers);
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const span = startSpan(
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name,
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'SERVER',
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parentSpanContext,
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{
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'http.method': req.method,
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'http.url': req.url,
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'function.name': name,
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}
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);
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const requestId = span.spanId;
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// ========================================================================
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// STEP 3: Log incoming request
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// ========================================================================
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if (logRequests) {
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edgeLogger.info('Request received', {
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requestId,
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action: name,
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method: req.method,
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url: req.url,
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hasAuth: req.headers.has('Authorization'),
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contentType: req.headers.get('Content-Type'),
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userAgent: req.headers.get('User-Agent'),
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});
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}
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try {
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// ====================================================================
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// STEP 4: Authentication (if required)
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// ====================================================================
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let userId: string | undefined;
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if (requireAuth) {
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addSpanEvent(span, 'authentication_start');
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const authHeader = req.headers.get('Authorization');
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if (!authHeader) {
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addSpanEvent(span, 'authentication_failed', { reason: 'missing_header' });
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endSpan(span, 'error');
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logSpan(span);
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return new Response(
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JSON.stringify({
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error: 'Missing Authorization header',
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requestId
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}),
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{
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status: 401,
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headers: { ...corsHeaders, 'Content-Type': 'application/json' }
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}
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);
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}
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// Extract user ID from JWT (simplified - extend as needed)
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try {
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// Note: In production, validate the JWT properly
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const token = authHeader.replace('Bearer ', '');
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const payload = JSON.parse(atob(token.split('.')[1]));
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userId = payload.sub;
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addSpanEvent(span, 'authentication_success', { userId });
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span.attributes['user.id'] = userId;
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} catch (error) {
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addSpanEvent(span, 'authentication_failed', {
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reason: 'invalid_token',
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error: formatEdgeError(error)
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});
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endSpan(span, 'error', error);
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logSpan(span);
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return new Response(
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JSON.stringify({
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error: 'Invalid authentication token',
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requestId
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}),
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{
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status: 401,
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headers: { ...corsHeaders, 'Content-Type': 'application/json' }
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}
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);
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}
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}
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// ====================================================================
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// STEP 5: Execute handler
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// ====================================================================
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addSpanEvent(span, 'handler_start');
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const context: EdgeFunctionContext = {
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requestId,
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span,
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userId,
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};
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const response = await handler(req, context);
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// ====================================================================
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// STEP 6: Log success response
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// ====================================================================
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addSpanEvent(span, 'handler_complete', {
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status: response.status,
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statusText: response.statusText
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});
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if (logResponses) {
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edgeLogger.info('Request completed', {
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requestId,
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action: name,
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status: response.status,
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duration: span.endTime ? span.duration : Date.now() - span.startTime,
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});
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}
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endSpan(span, 'ok');
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logSpan(span);
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return response;
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} catch (error) {
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// ====================================================================
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// STEP 7: Handle errors
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// ====================================================================
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// Validation errors (client error)
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if (error instanceof ValidationError) {
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addSpanEvent(span, 'validation_error', {
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field: error.field,
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expected: error.expected,
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received: error.received,
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});
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logValidationError(error, requestId, name);
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endSpan(span, 'error', error);
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logSpan(span);
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return new Response(
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JSON.stringify({
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error: error.message,
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field: error.field,
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expected: error.expected,
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received: error.received,
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requestId,
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}),
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{
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status: 400,
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headers: { ...corsHeaders, 'Content-Type': 'application/json' },
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}
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);
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}
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// Database errors (check for specific codes)
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const errorObj = error as any;
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if (errorObj?.code) {
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addSpanEvent(span, 'database_error', {
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code: errorObj.code,
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message: errorObj.message,
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});
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// Handle specific error codes
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let status = 500;
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let message = formatEdgeError(error);
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if (errorObj.code === '23505') {
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// Unique constraint violation
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status = 409;
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message = 'A record with this information already exists';
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} else if (errorObj.code === '23503') {
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// Foreign key violation
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status = 400;
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message = 'Referenced record does not exist';
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} else if (errorObj.code === '23514') {
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// Check constraint violation
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status = 400;
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message = 'Data violates database constraints';
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} else if (errorObj.code === 'P0001') {
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// Raised exception
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status = 400;
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message = errorObj.message || 'Database validation failed';
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} else if (errorObj.code === '42501') {
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// Insufficient privilege
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status = 403;
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message = 'Permission denied';
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}
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edgeLogger.error('Database error', {
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requestId,
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action: name,
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errorCode: errorObj.code,
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errorMessage: errorObj.message,
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errorDetails: errorObj.details,
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errorHint: errorObj.hint,
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});
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endSpan(span, 'error', error);
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logSpan(span);
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return new Response(
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JSON.stringify({
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error: message,
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code: errorObj.code,
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details: errorObj.details,
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requestId,
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}),
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{
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status,
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headers: { ...corsHeaders, 'Content-Type': 'application/json' },
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}
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);
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}
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// Generic errors
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const errorMessage = formatEdgeError(error);
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addSpanEvent(span, 'unhandled_error', {
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error: errorMessage,
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errorType: error instanceof Error ? error.name : typeof error,
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});
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edgeLogger.error('Unhandled error', {
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requestId,
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action: name,
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error: errorMessage,
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errorType: error instanceof Error ? error.name : typeof error,
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stack: error instanceof Error ? error.stack : undefined,
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});
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endSpan(span, 'error', error);
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logSpan(span);
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return new Response(
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JSON.stringify({
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error: 'Internal server error',
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message: errorMessage,
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requestId,
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}),
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{
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status: 500,
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headers: { ...corsHeaders, 'Content-Type': 'application/json' },
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}
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);
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}
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};
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}
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/**
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* Create a simple edge function with standard error handling
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*
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* Example usage:
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* ```ts
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* serve(createEdgeFunction({
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* name: 'my-function',
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* requireAuth: true,
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* corsHeaders: myCorsHeaders,
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* }, async (req, { requestId, span, userId }) => {
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* // Your handler logic here
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* return new Response(JSON.stringify({ success: true }), {
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* status: 200,
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* headers: { 'Content-Type': 'application/json' }
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* });
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* }));
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* ```
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*/
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export function createEdgeFunction(
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config: EdgeFunctionConfig,
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handler: EdgeFunctionHandler
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): (req: Request) => Promise<Response> {
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return wrapEdgeFunction(config, handler);
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}
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