feat: implement data migration for existing lists
- Created migration-actions.ts with server actions for claiming lists - Added ClaimListsModal component for UI during registration - Integrated claim modal into RegisterForm - Created anonymous-lists.ts utilities for tracking lists in localStorage - Added migrate-lists.ts script for deployment migration - Created comprehensive MIGRATION_GUIDE.md documentation - Added migration tests with 100% pass rate - Updated package.json with db:migrate script - Added tsx as dev dependency for running migration scripts Requirements: 10.2, 10.3, 10.4, 10.5 - Users can claim existing lists on first registration - All list data is preserved during migration - All lists have an owner after migration - Migrated lists appear in user's account
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204
components/ClaimListsModal.tsx
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204
components/ClaimListsModal.tsx
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'use client'
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import { useState, useEffect } from 'react'
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import { claimLists, getClaimableLists, type ClaimableList } from '@/lib/migration-actions'
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import Modal from './Modal'
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import LoadingSpinner from './LoadingSpinner'
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interface ClaimListsModalProps {
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isOpen: boolean
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onClose: () => void
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onComplete: () => void
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}
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/**
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* Modal for claiming existing anonymous lists after registration
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* Requirements: 10.2, 10.5 - Migration UI for users to claim existing lists
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*/
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export default function ClaimListsModal({ isOpen, onClose, onComplete }: ClaimListsModalProps) {
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const [claimableLists, setClaimableLists] = useState<ClaimableList[]>([])
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const [selectedLists, setSelectedLists] = useState<Set<string>>(new Set())
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const [loading, setLoading] = useState(true)
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const [claiming, setClaiming] = useState(false)
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const [error, setError] = useState<string | null>(null)
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useEffect(() => {
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if (isOpen) {
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loadClaimableLists()
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}
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}, [isOpen])
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const loadClaimableLists = async () => {
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try {
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setLoading(true)
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setError(null)
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// Get list IDs from localStorage
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const storedListIds = getStoredListIds()
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if (storedListIds.length === 0) {
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setClaimableLists([])
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setLoading(false)
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return
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}
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// Fetch lists from database
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const lists = await getClaimableLists(storedListIds)
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setClaimableLists(lists)
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// Select all lists by default
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setSelectedLists(new Set(lists.map(l => l.id)))
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} catch (err) {
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console.error('Error loading claimable lists:', err)
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setError('Failed to load your lists. Please try again.')
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} finally {
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setLoading(false)
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}
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}
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const getStoredListIds = (): string[] => {
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try {
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// Check for list IDs in localStorage
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// This assumes the app previously stored list IDs locally
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const stored = localStorage.getItem('anonymousListIds')
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if (stored) {
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return JSON.parse(stored)
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}
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return []
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} catch (err) {
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console.error('Error reading localStorage:', err)
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return []
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}
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}
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const toggleListSelection = (listId: string) => {
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const newSelection = new Set(selectedLists)
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if (newSelection.has(listId)) {
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newSelection.delete(listId)
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} else {
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newSelection.add(listId)
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}
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setSelectedLists(newSelection)
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}
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const handleClaimLists = async () => {
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try {
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setClaiming(true)
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setError(null)
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const listIds = Array.from(selectedLists)
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const result = await claimLists(listIds)
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if (result.success) {
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// Clear localStorage after successful claim
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localStorage.removeItem('anonymousListIds')
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onComplete()
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} else {
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setError(result.error)
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}
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} catch (err) {
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console.error('Error claiming lists:', err)
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setError('Failed to claim lists. Please try again.')
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} finally {
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setClaiming(false)
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}
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}
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const handleSkip = () => {
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// User chose not to claim lists
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localStorage.removeItem('anonymousListIds')
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onClose()
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}
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if (!isOpen) return null
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return (
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<Modal isOpen={isOpen} onClose={onClose} title="Claim Your Lists">
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<div className="space-y-4">
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{loading ? (
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<div className="flex justify-center py-8">
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<LoadingSpinner />
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</div>
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) : claimableLists.length === 0 ? (
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<div className="text-center py-8">
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<p className="text-gray-600">No lists found to claim.</p>
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<button
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onClick={onClose}
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className="mt-4 px-4 py-2 bg-blue-500 text-white rounded-lg hover:bg-blue-600"
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>
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Continue
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</button>
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</div>
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) : (
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<>
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<p className="text-gray-700">
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We found {claimableLists.length} list{claimableLists.length !== 1 ? 's' : ''} from your previous session.
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Would you like to add {claimableLists.length !== 1 ? 'them' : 'it'} to your account?
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</p>
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{error && (
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<div className="p-3 bg-red-50 border border-red-200 rounded-lg text-red-700 text-sm">
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{error}
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</div>
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)}
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<div className="max-h-64 overflow-y-auto space-y-2">
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{claimableLists.map((list) => (
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<label
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key={list.id}
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className="flex items-start gap-3 p-3 border rounded-lg cursor-pointer hover:bg-gray-50 transition-colors"
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>
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<input
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type="checkbox"
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checked={selectedLists.has(list.id)}
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onChange={() => toggleListSelection(list.id)}
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className="mt-1 h-4 w-4 text-blue-500 rounded focus:ring-2 focus:ring-blue-500"
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/>
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<div className="flex-1 min-w-0">
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<div className="flex items-center gap-2">
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<div
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className="w-4 h-4 rounded"
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style={{ backgroundColor: list.color }}
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/>
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<span className="font-medium text-gray-900 truncate">
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{list.title}
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</span>
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</div>
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<p className="text-sm text-gray-500 mt-1">
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{list.itemCount} item{list.itemCount !== 1 ? 's' : ''} ·
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Created {new Date(list.createdAt).toLocaleDateString()}
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</p>
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</div>
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</label>
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))}
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</div>
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<div className="flex gap-3 pt-4 border-t">
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<button
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onClick={handleSkip}
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disabled={claiming}
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className="flex-1 px-4 py-2 border border-gray-300 text-gray-700 rounded-lg hover:bg-gray-50 disabled:opacity-50 disabled:cursor-not-allowed"
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>
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Skip
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</button>
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<button
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onClick={handleClaimLists}
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disabled={claiming || selectedLists.size === 0}
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className="flex-1 px-4 py-2 bg-blue-500 text-white rounded-lg hover:bg-blue-600 disabled:opacity-50 disabled:cursor-not-allowed flex items-center justify-center gap-2"
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>
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{claiming ? (
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<>
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<LoadingSpinner />
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<span>Claiming...</span>
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</>
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) : (
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`Claim ${selectedLists.size} List${selectedLists.size !== 1 ? 's' : ''}`
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)}
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</button>
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</div>
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</>
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)}
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</div>
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</Modal>
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)
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}
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