Update lib utilities and add morph implementation

Author: Gerome-Elassaad

lib/analytics-events.ts

@@ -0,0 +1,72 @@
+export interface APIError {
+  statusCode?: number
+  message: string
+}
+
+export function isRateLimitError(error: any): boolean {
+  return (
+    error &&
+    (error.statusCode === 429 ||
+      error.message.toLowerCase().includes('limit') ||
+      error.message.toLowerCase().includes('billing'))
+  )
+}
+
+export function isOverloadedError(error: any): boolean {
+  return error && (error.statusCode === 529 || error.statusCode === 503)
+}
+
+export function isAccessDeniedError(error: any): boolean {
+  return error && (error.statusCode === 403 || error.statusCode === 401)
+}
+
+export function handleAPIError(
+  error: any,
+  context?: { hasOwnApiKey?: boolean },
+): Response {
+  // Log the error for debugging
+  console.error('API Error:', error)
+
+  if (isRateLimitError(error)) {
+    const message = context?.hasOwnApiKey
+      ? 'The provider is currently unavailable due to request limit.'
+      : 'The provider is currently unavailable due to request limit. Try using your own API key.'
+
+    return new Response(message, { status: 429 })
+  }
+
+  if (isOverloadedError(error)) {
+    return new Response(
+      'The provider is currently unavailable. Please try again later.',
+      { status: 529 },
+    )
+  }
+
+  if (isAccessDeniedError(error)) {
+    return new Response(
+      'Access denied. Please make sure your API key is valid.',
+      { status: 403 },
+    )
+  }
+
+  // Generic error handling
+  return new Response(
+    'An unexpected error has occurred. Please try again later.',
+    { status: 500 },
+  )
+}
+
+export function createRateLimitResponse(limit: {
+  amount: number
+  remaining: number
+  reset: number
+}): Response {
+  return new Response('You have reached your request limit for the day.', {
+    status: 429,
+    headers: {
+      'X-RateLimit-Limit': limit.amount.toString(),
+      'X-RateLimit-Remaining': limit.remaining.toString(),
+      'X-RateLimit-Reset': limit.reset.toString(),
+    },
+  })
+}

lib/analytics-service.ts

@@ -2,10 +2,6 @@ import { NextResponse } from 'next/server'
 import { createServerClient } from '@/lib/supabase-server'
 import type { User } from '@supabase/supabase-js'
 
-/**
- * Authenticate a user from a request and return the user object or an error response
- * @returns Object containing either the user or an error response
- */
 export async function authenticateUser(): Promise<{ user: User; error: null } | { user: null; error: NextResponse }> {
   try {
     const supabase = createServerClient()
@@ -33,12 +29,6 @@ export async function authenticateUser(): Promise<{ user: User; error: null } |
     }
   }
 }
-
-/**
- * Higher-order function that wraps API route handlers with authentication
- * @param handler The API route handler function
- * @returns Wrapped handler that includes authentication
- */
 export function withAuth<T extends any[]>(
   handler: (user: User, ...args: T) => Promise<NextResponse>
 ) {