Files
SpotMicroESP32-Leika/FILESYSTEM_SVELTE_MIGRATION.md
T
2026-01-22 20:38:27 +01:00

222 lines
7.0 KiB
Markdown

# FileSystem Svelte Migration - Complete
## ✅ Changes Made
### 1. Updated Icons ([app/src/lib/components/icons/index.ts](app/src/lib/components/icons/index.ts:41-42))
Added:
```typescript
export { default as UploadIcon } from '~icons/mdi/upload'
export { default as DownloadIcon } from '~icons/mdi/download'
```
### 2. Complete Rewrite of FileSystem.svelte
**Old Implementation:**
- Used HTTP REST API (`/api/files`, `/api/config/`, etc.)
- Relied on recursive `Folder.svelte` and `File.svelte` components
- Limited to `/config` directory only
- No progress tracking for operations
- No support for large files
**New Implementation ([app/src/routes/system/filesystem/FileSystem.svelte](app/src/routes/system/filesystem/FileSystem.svelte)):**
- ✅ Uses WebSocket chunked transfer system
- ✅ Flat directory view with navigation
- ✅ Works with entire filesystem (not just `/config`)
- ✅ Real-time progress bars for uploads/downloads
- ✅ Supports files of any size (1KB chunks)
- ✅ File size display with formatted bytes
- ✅ Download files to browser
- ✅ Upload files from browser
- ✅ Create/delete files and directories
- ✅ Edit file contents in-browser
- ✅ Error handling with user feedback
## 📋 Key Features
### Directory Navigation
- Current path display with breadcrumb
- "Up" button to navigate to parent directory
- Click directories to navigate into them
- Supports full filesystem tree (not limited to `/config`)
### File Operations
- **Upload**: Click "Upload File" button, select file, see progress bar
- **Download**: Click download icon next to file, automatic browser download
- **Edit**: Click file to view, click "Edit" to modify, save changes
- **Delete**: Delete files or directories (with confirmation)
- **Create**: Create new files or directories via dialogs
### Progress Tracking
- Upload progress: Shows percentage and bytes transferred
- Download progress: Shows percentage and bytes transferred
- Visual progress bars during transfers
### UI Improvements
- File sizes displayed in human-readable format (B, KB, MB, GB)
- Selected file highlighted in bold
- Hover actions for download/delete on each file
- Empty directory message
- Loading spinners for async operations
- Error alerts for failed operations
## 🔄 Migration from Old System
### What Changed
**Before:**
```typescript
// Old HTTP API calls
await api.get<Directory>('/api/files')
await api.get(`/api/config/${name}`)
await api.post('/api/files/edit', { file, content })
await api.post('/api/files/delete', { file })
await api.post('/api/files/mkdir', { path })
```
**After:**
```typescript
// New WebSocket chunked transfer
await fileSystemClient.listDirectory(path)
await fileSystemClient.downloadFile(path)
await fileSystemClient.uploadFile(path, data)
await fileSystemClient.deleteFile(path)
await fileSystemClient.createDirectory(path)
```
### Breaking Changes
1. **Directory Type**: Old code used `Directory` from `$lib/types/models`. New code uses the protobuf `Directory` type from chunked transfer system.
2. **File Structure**: Old system returned nested object structure. New system returns flat arrays of files and directories.
3. **API Endpoints**: Old HTTP endpoints (`/api/files/*`) are no longer used. All operations go through WebSocket.
## 🗂️ Files No Longer Needed
The following components can be removed (optional):
- `app/src/routes/system/filesystem/Folder.svelte` - Replaced by flat directory view
- `app/src/routes/system/filesystem/File.svelte` - Replaced by inline file items
**Note:** Keep `NewFolderDialog.svelte` and `NewFileDialog.svelte` as they're still used.
## 🧪 Testing the New System
### Test Checklist
1. **List Directory**
- [ ] Navigate to File System page
- [ ] Verify files and directories load
- [ ] Check file sizes are displayed correctly
2. **Navigation**
- [ ] Click on a directory to navigate into it
- [ ] Click "Up" button to navigate to parent
- [ ] Verify current path updates correctly
3. **Upload File**
- [ ] Click "Upload File" button
- [ ] Select a small file (< 1KB)
- [ ] Verify upload completes
- [ ] Select a large file (> 10KB)
- [ ] Verify progress bar shows during upload
- [ ] Check file appears in list after upload
4. **Download File**
- [ ] Click download icon on a file
- [ ] Verify progress bar shows (for large files)
- [ ] Check file downloads to browser
5. **Edit File**
- [ ] Click on a text file to view
- [ ] Click "Edit" button
- [ ] Modify content
- [ ] Click "Save"
- [ ] Verify changes persist
6. **Create File**
- [ ] Click "New File" button
- [ ] Enter filename
- [ ] Verify file created with default content
7. **Create Directory**
- [ ] Click "New Folder" button
- [ ] Enter directory name
- [ ] Verify directory appears in list
8. **Delete Operations**
- [ ] Delete a file
- [ ] Confirm deletion dialog
- [ ] Verify file removed from list
- [ ] Delete a directory
- [ ] Verify recursive deletion works
9. **Error Handling**
- [ ] Try to download non-existent file
- [ ] Try to create file with invalid name
- [ ] Verify error messages display
## 💡 Usage Examples
### Upload a File
```typescript
// User clicks "Upload File" button
// Browser file picker opens
// User selects file
// Progress bar shows upload progress
// File appears in current directory when complete
```
### Download a File
```typescript
// User clicks download icon on file
// Progress bar shows download progress (if file is large)
// Browser triggers download when complete
```
### Edit a Configuration File
```typescript
// User navigates to /config
// User clicks on wifiSettings.json
// File content displays
// User clicks "Edit"
// User modifies JSON
// User clicks "Save"
// File updated on ESP32
```
## 🔧 Configuration
The FileSystem component uses the chunked transfer system with these defaults:
- **Chunk Size**: 1024 bytes (defined in `chunkedTransfer.ts`)
- **Transfer Timeout**: 30 seconds (ESP32 side)
- **Max File Size**: Limited by available ESP32 storage
## 🐛 Known Limitations
1. **Binary Files**: File viewer assumes UTF-8 text. Binary files may not display correctly but can still be downloaded.
2. **Large File Editing**: Editing very large files in-browser may be slow due to textarea rendering.
3. **Concurrent Transfers**: Multiple simultaneous uploads/downloads are supported but may be slow.
## 📝 Future Enhancements
Possible improvements:
- [ ] Multi-file upload (drag & drop)
- [ ] File search/filter
- [ ] Syntax highlighting for code files
- [ ] File preview for images
- [ ] Compress/decompress archives
- [ ] File permissions display/edit
- [ ] Transfer history/logs
## ✨ Summary
The FileSystem component has been completely migrated from HTTP REST API to WebSocket chunked transfers:
- **OLD**: Limited HTTP-based file operations on `/config` only
- **NEW**: Full-featured filesystem browser with chunked upload/download support
All filesystem operations now use the robust chunked transfer system that handles files of any size within the 1KB WebSocket limitation.