Generated by Spark: Create Redux persistence middleware to sync state with database automatically

This commit is contained in:
2026-01-17 21:14:31 +00:00
committed by GitHub
parent 45454ac34b
commit 98f4b49edf
13 changed files with 2013 additions and 1 deletions

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import { useState, useEffect } from 'react'
import { Card } from '@/components/ui/card'
import { Button } from '@/components/ui/button'
import { Badge } from '@/components/ui/badge'
import { Separator } from '@/components/ui/separator'
import { Switch } from '@/components/ui/switch'
import { Label } from '@/components/ui/label'
import {
Database,
CloudArrowUp,
CloudArrowDown,
ArrowsClockwise,
CheckCircle,
XCircle,
Clock,
ChartLine,
Gauge
} from '@phosphor-icons/react'
import { usePersistence } from '@/hooks/use-persistence'
import { useAppDispatch, useAppSelector } from '@/store'
import { syncToFlaskBulk, syncFromFlaskBulk, checkFlaskConnection } from '@/store/slices/syncSlice'
import { toast } from 'sonner'
export function PersistenceDashboard() {
const dispatch = useAppDispatch()
const { status, metrics, autoSyncStatus, syncNow, configureAutoSync } = usePersistence()
const [autoSyncEnabled, setAutoSyncEnabled] = useState(false)
const [syncing, setSyncing] = useState(false)
useEffect(() => {
dispatch(checkFlaskConnection())
const interval = setInterval(() => {
dispatch(checkFlaskConnection())
}, 10000)
return () => clearInterval(interval)
}, [dispatch])
const handleSyncToFlask = async () => {
setSyncing(true)
try {
await dispatch(syncToFlaskBulk()).unwrap()
toast.success('Successfully synced to Flask')
} catch (error: any) {
toast.error(`Sync failed: ${error}`)
} finally {
setSyncing(false)
}
}
const handleSyncFromFlask = async () => {
setSyncing(true)
try {
await dispatch(syncFromFlaskBulk()).unwrap()
toast.success('Successfully synced from Flask')
} catch (error: any) {
toast.error(`Sync failed: ${error}`)
} finally {
setSyncing(false)
}
}
const handleAutoSyncToggle = (enabled: boolean) => {
setAutoSyncEnabled(enabled)
configureAutoSync({ enabled, syncOnChange: true })
toast.info(enabled ? 'Auto-sync enabled' : 'Auto-sync disabled')
}
const handleManualSync = async () => {
try {
await syncNow()
toast.success('Manual sync completed')
} catch (error: any) {
toast.error(`Manual sync failed: ${error}`)
}
}
const getStatusColor = () => {
if (!status.flaskConnected) return 'bg-destructive'
if (status.syncStatus === 'syncing') return 'bg-amber-500'
if (status.syncStatus === 'success') return 'bg-accent'
if (status.syncStatus === 'error') return 'bg-destructive'
return 'bg-muted'
}
const getStatusText = () => {
if (!status.flaskConnected) return 'Disconnected'
if (status.syncStatus === 'syncing') return 'Syncing...'
if (status.syncStatus === 'success') return 'Synced'
if (status.syncStatus === 'error') return 'Error'
return 'Idle'
}
const formatTime = (timestamp: number | null) => {
if (!timestamp) return 'Never'
const date = new Date(timestamp)
return date.toLocaleTimeString()
}
const formatDuration = (ms: number) => {
if (ms < 1000) return `${ms}ms`
return `${(ms / 1000).toFixed(1)}s`
}
const getSuccessRate = () => {
if (metrics.totalOperations === 0) return 0
return Math.round((metrics.successfulOperations / metrics.totalOperations) * 100)
}
return (
<div className="p-6 space-y-6">
<div className="flex items-center justify-between">
<h1 className="text-3xl font-bold">Persistence & Sync Dashboard</h1>
<Badge className={`${getStatusColor()} text-white`}>
{getStatusText()}
</Badge>
</div>
<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
<Card className="p-6 space-y-4 border-sidebar-border hover:bg-muted/50 transition-colors">
<div className="flex items-center justify-between">
<h3 className="text-lg font-semibold flex items-center gap-2">
<Database className="text-primary" />
Connection Status
</h3>
{status.flaskConnected ? (
<CheckCircle className="text-accent" weight="fill" />
) : (
<XCircle className="text-destructive" weight="fill" />
)}
</div>
<Separator />
<div className="space-y-2">
<div className="flex justify-between text-sm">
<span className="text-muted-foreground">Local Storage:</span>
<span className="font-medium">IndexedDB</span>
</div>
<div className="flex justify-between text-sm">
<span className="text-muted-foreground">Remote Storage:</span>
<span className="font-medium">
{status.flaskConnected ? 'Flask API' : 'Offline'}
</span>
</div>
<div className="flex justify-between text-sm">
<span className="text-muted-foreground">Last Sync:</span>
<span className="font-medium">{formatTime(status.lastSyncTime)}</span>
</div>
</div>
</Card>
<Card className="p-6 space-y-4 border-sidebar-border hover:bg-muted/50 transition-colors">
<div className="flex items-center justify-between">
<h3 className="text-lg font-semibold flex items-center gap-2">
<ChartLine className="text-accent" />
Sync Metrics
</h3>
<Gauge className="text-muted-foreground" />
</div>
<Separator />
<div className="space-y-2">
<div className="flex justify-between text-sm">
<span className="text-muted-foreground">Total Operations:</span>
<span className="font-medium">{metrics.totalOperations}</span>
</div>
<div className="flex justify-between text-sm">
<span className="text-muted-foreground">Success Rate:</span>
<span className="font-medium text-accent">{getSuccessRate()}%</span>
</div>
<div className="flex justify-between text-sm">
<span className="text-muted-foreground">Avg Duration:</span>
<span className="font-medium">{formatDuration(metrics.averageOperationTime)}</span>
</div>
<div className="flex justify-between text-sm">
<span className="text-muted-foreground">Failed:</span>
<span className="font-medium text-destructive">{metrics.failedOperations}</span>
</div>
</div>
</Card>
<Card className="p-6 space-y-4 border-sidebar-border hover:bg-muted/50 transition-colors">
<div className="flex items-center justify-between">
<h3 className="text-lg font-semibold flex items-center gap-2">
<Clock className="text-amber-500" />
Auto-Sync
</h3>
<Switch checked={autoSyncEnabled} onCheckedChange={handleAutoSyncToggle} />
</div>
<Separator />
<div className="space-y-2">
<div className="flex justify-between text-sm">
<span className="text-muted-foreground">Status:</span>
<span className="font-medium">
{autoSyncStatus.enabled ? 'Enabled' : 'Disabled'}
</span>
</div>
<div className="flex justify-between text-sm">
<span className="text-muted-foreground">Changes Pending:</span>
<span className="font-medium">{autoSyncStatus.changeCounter}</span>
</div>
<div className="flex justify-between text-sm">
<span className="text-muted-foreground">Next Sync:</span>
<span className="font-medium">
{autoSyncStatus.nextSyncIn !== null
? formatDuration(autoSyncStatus.nextSyncIn)
: 'N/A'}
</span>
</div>
</div>
</Card>
</div>
<Card className="p-6 space-y-4 border-sidebar-border">
<h3 className="text-lg font-semibold flex items-center gap-2">
<ArrowsClockwise className="text-primary" />
Manual Sync Operations
</h3>
<Separator />
<div className="flex flex-wrap gap-3">
<Button
onClick={handleSyncToFlask}
disabled={syncing || !status.flaskConnected}
className="flex items-center gap-2"
>
<CloudArrowUp />
Push to Flask
</Button>
<Button
onClick={handleSyncFromFlask}
disabled={syncing || !status.flaskConnected}
variant="outline"
className="flex items-center gap-2"
>
<CloudArrowDown />
Pull from Flask
</Button>
<Button
onClick={handleManualSync}
disabled={syncing || !autoSyncStatus.enabled}
variant="outline"
className="flex items-center gap-2"
>
<ArrowsClockwise />
Trigger Auto-Sync
</Button>
<Button
onClick={() => dispatch(checkFlaskConnection())}
variant="outline"
className="flex items-center gap-2"
>
<CheckCircle />
Check Connection
</Button>
</div>
</Card>
{status.error && (
<Card className="p-6 border-destructive bg-destructive/10">
<div className="flex items-start gap-3">
<XCircle className="text-destructive mt-1" weight="fill" />
<div>
<h3 className="font-semibold text-destructive mb-1">Sync Error</h3>
<p className="text-sm text-muted-foreground">{status.error}</p>
</div>
</div>
</Card>
)}
<Card className="p-6 space-y-4 border-sidebar-border">
<h3 className="text-lg font-semibold">How Persistence Works</h3>
<Separator />
<div className="space-y-3 text-sm text-muted-foreground">
<p>
<strong className="text-foreground">Automatic Persistence:</strong> All Redux state changes are automatically persisted to IndexedDB with a 300ms debounce.
</p>
<p>
<strong className="text-foreground">Flask Sync:</strong> When connected, data is synced bidirectionally with the Flask API backend.
</p>
<p>
<strong className="text-foreground">Auto-Sync:</strong> Enable auto-sync to automatically push changes to Flask at regular intervals (default: 30s).
</p>
<p>
<strong className="text-foreground">Conflict Resolution:</strong> When conflicts are detected during sync, you'll be notified to resolve them manually.
</p>
</div>
</Card>
</div>
)
}

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import { useState } from 'react'
import { Card } from '@/components/ui/card'
import { Button } from '@/components/ui/button'
import { Input } from '@/components/ui/input'
import { Label } from '@/components/ui/label'
import { Badge } from '@/components/ui/badge'
import { Separator } from '@/components/ui/separator'
import { FloppyDisk, Trash, PencilSimple, CheckCircle, Clock } from '@phosphor-icons/react'
import { useAppDispatch, useAppSelector } from '@/store'
import { saveFile, deleteFile } from '@/store/slices/filesSlice'
import { toast } from 'sonner'
export function PersistenceExample() {
const dispatch = useAppDispatch()
const files = useAppSelector((state) => state.files.files)
const [fileName, setFileName] = useState('')
const [fileContent, setFileContent] = useState('')
const [editingId, setEditingId] = useState<string | null>(null)
const handleSave = async () => {
if (!fileName.trim()) {
toast.error('File name is required')
return
}
const fileItem = {
id: editingId || `file-${Date.now()}`,
name: fileName,
content: fileContent,
language: 'javascript',
path: `/src/${fileName}`,
updatedAt: Date.now(),
}
try {
await dispatch(saveFile(fileItem)).unwrap()
toast.success(`File "${fileName}" saved automatically!`, {
description: 'Synced to IndexedDB and Flask API',
})
setFileName('')
setFileContent('')
setEditingId(null)
} catch (error: any) {
toast.error('Failed to save file', {
description: error,
})
}
}
const handleEdit = (file: any) => {
setEditingId(file.id)
setFileName(file.name)
setFileContent(file.content)
}
const handleDelete = async (fileId: string, name: string) => {
try {
await dispatch(deleteFile(fileId)).unwrap()
toast.success(`File "${name}" deleted`, {
description: 'Automatically synced to storage',
})
} catch (error: any) {
toast.error('Failed to delete file', {
description: error,
})
}
}
const handleCancel = () => {
setFileName('')
setFileContent('')
setEditingId(null)
}
return (
<div className="p-6 space-y-6">
<div>
<h1 className="text-3xl font-bold mb-2">Persistence Middleware Example</h1>
<p className="text-muted-foreground">
Demonstrates automatic persistence of Redux state to IndexedDB and Flask API
</p>
</div>
<div className="grid grid-cols-1 lg:grid-cols-2 gap-6">
<Card className="p-6 space-y-4 border-sidebar-border">
<div className="flex items-center justify-between">
<h2 className="text-xl font-semibold">
{editingId ? 'Edit File' : 'Create File'}
</h2>
{editingId && (
<Badge variant="outline" className="text-amber-500 border-amber-500">
Editing
</Badge>
)}
</div>
<Separator />
<div className="space-y-4">
<div className="space-y-2">
<Label htmlFor="fileName">File Name</Label>
<Input
id="fileName"
value={fileName}
onChange={(e) => setFileName(e.target.value)}
placeholder="example.js"
/>
</div>
<div className="space-y-2">
<Label htmlFor="fileContent">Content</Label>
<textarea
id="fileContent"
value={fileContent}
onChange={(e) => setFileContent(e.target.value)}
placeholder="console.log('Hello, world!')"
className="w-full h-32 px-3 py-2 border border-input rounded-md bg-background font-mono text-sm resize-none"
/>
</div>
<div className="flex gap-2">
<Button onClick={handleSave} className="flex items-center gap-2 flex-1">
<FloppyDisk />
{editingId ? 'Update File' : 'Save File'}
</Button>
{editingId && (
<Button onClick={handleCancel} variant="outline">
Cancel
</Button>
)}
</div>
<div className="p-4 bg-muted/50 rounded-lg space-y-2">
<div className="flex items-start gap-2">
<CheckCircle className="text-accent mt-1" weight="fill" />
<div className="text-sm">
<p className="font-semibold text-foreground">Automatic Persistence</p>
<p className="text-muted-foreground">
Data is automatically saved to IndexedDB with 300ms debounce
</p>
</div>
</div>
<div className="flex items-start gap-2">
<Clock className="text-primary mt-1" weight="fill" />
<div className="text-sm">
<p className="font-semibold text-foreground">Flask Sync</p>
<p className="text-muted-foreground">
Changes are synced to Flask API backend automatically
</p>
</div>
</div>
</div>
</div>
</Card>
<Card className="p-6 space-y-4 border-sidebar-border">
<div className="flex items-center justify-between">
<h2 className="text-xl font-semibold">Saved Files</h2>
<Badge variant="secondary">{files.length} files</Badge>
</div>
<Separator />
<div className="space-y-3 max-h-[500px] overflow-y-auto">
{files.length === 0 ? (
<div className="text-center py-12 text-muted-foreground">
<p>No files yet</p>
<p className="text-sm mt-1">Create your first file to see it appear here</p>
</div>
) : (
files.map((file) => (
<Card
key={file.id}
className="p-4 space-y-2 hover:bg-muted/50 transition-colors border-sidebar-border"
>
<div className="flex items-start justify-between">
<div className="flex-1 min-w-0">
<h3 className="font-semibold truncate">{file.name}</h3>
<p className="text-sm text-muted-foreground truncate">
{file.path}
</p>
</div>
<Badge variant="outline" className="ml-2 shrink-0">
{file.language}
</Badge>
</div>
{file.content && (
<div className="bg-muted/50 p-2 rounded text-xs font-mono text-muted-foreground max-h-20 overflow-hidden">
{file.content.substring(0, 100)}
{file.content.length > 100 && '...'}
</div>
)}
<div className="flex items-center justify-between text-xs text-muted-foreground">
<span>
Updated: {new Date(file.updatedAt).toLocaleTimeString()}
</span>
<div className="flex gap-2">
<Button
size="sm"
variant="ghost"
onClick={() => handleEdit(file)}
className="h-8 flex items-center gap-1"
>
<PencilSimple />
Edit
</Button>
<Button
size="sm"
variant="ghost"
onClick={() => handleDelete(file.id, file.name)}
className="h-8 flex items-center gap-1 text-destructive hover:text-destructive"
>
<Trash />
Delete
</Button>
</div>
</div>
</Card>
))
)}
</div>
</Card>
</div>
<Card className="p-6 space-y-4 border-primary/50 bg-primary/5">
<h3 className="text-lg font-semibold">How It Works</h3>
<Separator />
<div className="grid grid-cols-1 md:grid-cols-3 gap-4 text-sm">
<div className="space-y-2">
<div className="font-semibold text-primary">1. Redux Action</div>
<p className="text-muted-foreground">
When you save or delete a file, a Redux action is dispatched
</p>
</div>
<div className="space-y-2">
<div className="font-semibold text-primary">2. Middleware Intercepts</div>
<p className="text-muted-foreground">
Persistence middleware automatically intercepts the action and queues the operation
</p>
</div>
<div className="space-y-2">
<div className="font-semibold text-primary">3. Auto-Sync</div>
<p className="text-muted-foreground">
After 300ms debounce, data is saved to IndexedDB and synced to Flask API
</p>
</div>
</div>
</Card>
</div>
)
}