Add reusable components and code style guide following config-driven architecture

Co-authored-by: johndoe6345789 <224850594+johndoe6345789@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot]
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commit 190757d0ab
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# Code Style Guide
This document outlines the coding standards and best practices for the PostgreSQL Admin Panel project.
## General Principles
### 1. Keep Components Small and Reusable
- **Maximum component size**: ~200 lines of code
- **Single Responsibility**: Each component should do one thing well
- **Reusability**: Extract common patterns into shared components
- **Example**: Instead of a 1000+ line dashboard, break it into:
- `TableManagerTab.tsx` (table management UI)
- `ColumnManagerTab.tsx` (column management UI)
- `CreateTableDialog.tsx` (reusable dialog)
- `ColumnDialog.tsx` (reusable for add/modify/drop)
### 2. Configuration-Driven Architecture
- **Use JSON configuration**: Define features in `src/config/features.json`
- **Don't hardcode**: Pull data types, actions, and UI settings from config
- **Example**:
```typescript
// ❌ Bad - Hardcoded
const dataTypes = ['INTEGER', 'VARCHAR', 'TEXT'];
// ✅ Good - Config-driven
import { getDataTypes } from '@/utils/featureConfig';
const dataTypes = getDataTypes().map(dt => dt.name);
```
### 3. Leverage Existing Utilities
- Use `src/utils/featureConfig.ts` functions:
- `getFeatures()` - Get all enabled features
- `getFeatureById(id)` - Get specific feature config
- `getDataTypes()` - Get database data types
- `getNavItems()` - Get navigation items
## TypeScript Standards
### Type Definitions
```typescript
// ✅ Good - Explicit types
type TableManagerTabProps = {
tables: Array<{ table_name: string }>;
onCreateTable: (tableName: string, columns: any[]) => Promise<void>;
onDropTable: (tableName: string) => Promise<void>;
};
// ❌ Bad - Using 'any' without reason
function handleData(data: any) { }
// ✅ Good - Proper typing
function handleData(data: { id: number; name: string }) { }
```
### Avoid Type Assertions
```typescript
// ❌ Bad
const value = response as SomeType;
// ✅ Good - Validate first
if (isValidType(response)) {
const value = response;
}
```
## React/Next.js Standards
### Component Structure
```typescript
'use client'; // Only if component uses client-side features
import { useState } from 'react'; // React imports first
import { Button } from '@mui/material'; // Third-party imports
import { getFeatures } from '@/utils/featureConfig'; // Local imports
type ComponentProps = {
// Props type definition
};
export default function ComponentName({ prop1, prop2 }: ComponentProps) {
// 1. Hooks
const [state, setState] = useState();
// 2. Derived state
const derivedValue = useMemo(() => compute(), [deps]);
// 3. Handlers
const handleClick = () => { };
// 4. Effects
useEffect(() => { }, []);
// 5. Render
return <div>...</div>;
}
```
### Client vs Server Components
```typescript
// ✅ Server Component (default) - No 'use client'
export default function ServerComponent() {
// Can fetch data, use async/await
// Cannot use hooks, events, or browser APIs
return <div>Static content</div>;
}
// ✅ Client Component - Add 'use client'
'use client';
export default function ClientComponent() {
const [state, setState] = useState();
return <button onClick={() => setState()}>Click</button>;
}
```
### Prop Naming
```typescript
// ✅ Good - Clear and consistent
type DialogProps = {
open: boolean; // State boolean
onClose: () => void; // Event handler (on*)
onCreate: (data) => Promise<void>; // Async handler
tables: Table[]; // Plural for arrays
selectedTable: string; // Singular for single value
};
// ❌ Bad - Unclear naming
type DialogProps = {
isOpen: boolean; // Don't use 'is' prefix unnecessarily
close: () => void; // Missing 'on' prefix
data: any; // Too generic
};
```
## File Organization
### Directory Structure
```
src/
├── app/ # Next.js pages and routes
│ ├── admin/ # Admin pages
│ └── api/ # API routes
├── components/ # Reusable React components
│ └── admin/ # Admin-specific components
├── config/ # Configuration files
│ └── features.json # Feature definitions (USE THIS!)
├── utils/ # Utility functions
│ └── featureConfig.ts # Config helpers (USE THIS!)
├── models/ # Database models
└── types/ # TypeScript type definitions
```
### File Naming
- **Components**: PascalCase - `TableManagerTab.tsx`
- **Utilities**: camelCase - `featureConfig.ts`
- **Tests**: Same as source + `.test.ts` - `featureConfig.test.ts`
- **Types**: PascalCase - `UserTypes.ts`
## Component Patterns
### Small, Focused Components
```typescript
// ✅ Good - Small, single purpose
export default function CreateTableDialog({ open, onClose, onCreate }) {
// Only handles table creation dialog
return <Dialog>...</Dialog>;
}
// ❌ Bad - Too many responsibilities
export default function AdminDashboard() {
// 1000+ lines handling:
// - Navigation
// - Table management
// - Column management
// - Query execution
// - All dialogs inline
}
```
### Reusable Dialog Pattern
```typescript
// ✅ Good - Reusable for multiple operations
export default function ColumnDialog({
open,
mode, // 'add' | 'modify' | 'drop'
onSubmit,
}) {
// Single dialog component, multiple use cases
}
// Usage:
<ColumnDialog mode="add" onSubmit={handleAdd} />
<ColumnDialog mode="modify" onSubmit={handleModify} />
<ColumnDialog mode="drop" onSubmit={handleDrop} />
```
## State Management
### Local State
```typescript
// ✅ Good - Related state grouped
const [dialog, setDialog] = useState({ open: false, mode: 'add' });
// ❌ Bad - Too many separate states
const [openAddDialog, setOpenAddDialog] = useState(false);
const [openModifyDialog, setOpenModifyDialog] = useState(false);
const [openDropDialog, setOpenDropDialog] = useState(false);
```
### Async Operations
```typescript
// ✅ Good - Proper error handling
const handleSubmit = async () => {
setLoading(true);
try {
await apiCall();
setSuccess('Operation completed');
} catch (error) {
setError(error.message);
} finally {
setLoading(false);
}
};
// ❌ Bad - No error handling
const handleSubmit = async () => {
await apiCall();
setSuccess('Done');
};
```
## API Route Standards
### Validation Pattern
```typescript
// ✅ Good - Validate inputs
export async function POST(request: Request) {
const session = await getSession();
if (!session) {
return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
}
const { tableName, columns } = await request.json();
if (!tableName || !columns || columns.length === 0) {
return NextResponse.json(
{ error: 'Table name and columns are required' },
{ status: 400 }
);
}
if (!isValidIdentifier(tableName)) {
return NextResponse.json(
{ error: 'Invalid table name format' },
{ status: 400 }
);
}
// Process request...
}
```
### SQL Injection Prevention
```typescript
// ✅ Good - Validate identifiers
function isValidIdentifier(name: string): boolean {
return /^[a-zA-Z_][a-zA-Z0-9_]*$/.test(name);
}
// ✅ Good - Use parameterized queries
await db.execute(sql`SELECT * FROM ${sql.identifier(tableName)}`);
// ❌ Bad - String concatenation
await db.execute(`SELECT * FROM ${tableName}`); // SQL injection risk!
```
## Testing Standards
### Test File Naming
- Unit tests: `ComponentName.test.tsx` or `utilityName.test.ts`
- Integration tests: `tests/integration/FeatureName.spec.ts`
- E2E tests: `tests/e2e/FeatureName.e2e.ts`
### Test Structure
```typescript
import { describe, expect, it } from 'vitest';
describe('FeatureName', () => {
describe('Specific functionality', () => {
it('should do something specific', () => {
// Arrange
const input = 'test';
// Act
const result = functionUnderTest(input);
// Assert
expect(result).toBe('expected');
});
});
});
```
### Playwright Test Pattern
```typescript
test.describe('Feature Name', () => {
test('should validate API endpoint', async ({ page }) => {
const response = await page.request.post('/api/endpoint', {
data: { field: 'value' },
});
expect(response.status()).toBe(200);
});
});
```
## Material-UI Standards
### Component Usage
```typescript
// ✅ Good - Consistent spacing
<Box sx={{ mt: 2, mb: 2, p: 2 }}>
<Button variant="contained" startIcon={<AddIcon />}>
Add Item
</Button>
</Box>
// ❌ Bad - Inconsistent styling
<div style={{ marginTop: '16px', padding: '10px' }}>
<Button>Add Item</Button>
</div>
```
### Dialog Pattern
```typescript
// ✅ Good - Complete dialog structure
<Dialog open={open} onClose={onClose} maxWidth="md" fullWidth>
<DialogTitle>Title</DialogTitle>
<DialogContent>
{/* Content */}
</DialogContent>
<DialogActions>
<Button onClick={onClose}>Cancel</Button>
<Button variant="contained">Confirm</Button>
</DialogActions>
</Dialog>
```
## Error Handling
### User-Facing Errors
```typescript
// ✅ Good - Clear, actionable messages
setError('Table name must contain only letters, numbers, and underscores');
// ❌ Bad - Technical jargon
setError('RegExp validation failed on identifier');
```
### API Errors
```typescript
// ✅ Good - Structured error responses
return NextResponse.json(
{
error: 'Invalid table name format',
details: 'Table names must start with a letter or underscore'
},
{ status: 400 }
);
```
## Documentation
### Component Documentation
```typescript
/**
* Dialog for creating a new database table
*
* Features:
* - Dynamic column builder
* - Type selection from config
* - Validation for table/column names
*
* @example
* <CreateTableDialog
* open={isOpen}
* onClose={handleClose}
* onCreate={handleCreate}
* />
*/
export default function CreateTableDialog(props) { }
```
### Function Documentation
```typescript
/**
* Validates if a string is a safe SQL identifier
* Prevents SQL injection by ensuring only alphanumeric and underscore
*
* @param name - The identifier to validate
* @returns true if valid, false otherwise
*
* @example
* isValidIdentifier('my_table') // true
* isValidIdentifier('my-table!') // false
*/
function isValidIdentifier(name: string): boolean { }
```
## Git Commit Standards
### Commit Message Format
```
type(scope): Short description
Longer description if needed
- List changes
- One per line
```
### Commit Types
- `feat`: New feature
- `fix`: Bug fix
- `refactor`: Code refactoring
- `test`: Adding tests
- `docs`: Documentation changes
- `style`: Code style changes (formatting)
- `chore`: Maintenance tasks
### Examples
```
feat(admin): Add table manager UI component
- Create TableManagerTab component
- Extract CreateTableDialog to separate file
- Use features.json for configuration
- Add validation for table names
fix(api): Prevent SQL injection in table creation
- Add identifier validation
- Use parameterized queries
- Add security tests
```
## Performance Best Practices
### Avoid Unnecessary Re-renders
```typescript
// ✅ Good - Memoize callbacks
const handleClick = useCallback(() => {
doSomething();
}, [dependency]);
// ✅ Good - Memoize expensive computations
const derivedData = useMemo(() => {
return expensiveComputation(data);
}, [data]);
```
### Optimize Bundle Size
```typescript
// ✅ Good - Named imports
import { Button, TextField } from '@mui/material';
// ❌ Bad - Default imports (larger bundle)
import Button from '@mui/material/Button';
import TextField from '@mui/material/TextField';
```
## Security Best Practices
### Authentication
```typescript
// ✅ Good - Always check session first
const session = await getSession();
if (!session) {
return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
}
```
### Input Validation
```typescript
// ✅ Good - Validate all inputs
if (!isValidIdentifier(tableName)) {
return NextResponse.json({ error: 'Invalid format' }, { status: 400 });
}
// ✅ Good - Sanitize user input
const sanitized = tableName.trim().toLowerCase();
```
## ESLint & Prettier
This project uses ESLint and Prettier for code quality:
```bash
# Check code style
npm run lint
# Fix auto-fixable issues
npm run lint:fix
# Check TypeScript types
npm run check:types
```
### Key Rules
- **No unused variables**: Remove or prefix with `_`
- **Consistent quotes**: Single quotes for strings
- **Semicolons**: Required at end of statements
- **Indentation**: 2 spaces
- **Line length**: Max 100 characters (soft limit)
- **Trailing commas**: Required in multiline
## Quick Reference
### Component Checklist
- [ ] Less than 200 lines
- [ ] Uses feature config from JSON
- [ ] Has proper TypeScript types
- [ ] Includes error handling
- [ ] Has tests (if logic-heavy)
- [ ] Follows naming conventions
- [ ] Documented if complex
### PR Checklist
- [ ] Code follows style guide
- [ ] Components are small and reusable
- [ ] Uses configuration from features.json
- [ ] Tests added/updated
- [ ] Documentation updated
- [ ] Linter passes
- [ ] Type checking passes
- [ ] No console.log statements
- [ ] Error handling implemented
---
**Last Updated**: January 2026
**Maintained by**: Development Team
**Questions?**: Open an issue with label `documentation`

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# Testing Guide for Table Manager and Column Manager Features
This document describes the test coverage for the newly implemented Table Manager and Column Manager features in the PostgreSQL Admin Panel.
## Test Files
### Integration Tests (Playwright API Tests)
#### 1. `tests/integration/TableManager.spec.ts`
Tests for the Table Management API endpoints (`/api/admin/table-manage`):
**Create Table Tests:**
- ✅ Creates new table with proper column definitions
- ✅ Validates table name is required
- ✅ Validates at least one column is required
- ✅ Rejects invalid table names (SQL injection prevention)
- ✅ Requires authentication for all operations
**Drop Table Tests:**
- ✅ Validates table name is required
- ✅ Rejects invalid table names
- ✅ Requires authentication
**Test Coverage:**
- Input validation
- SQL injection prevention
- Authentication/authorization
- Error handling
#### 2. `tests/integration/ColumnManager.spec.ts`
Tests for the Column Management API endpoints (`/api/admin/column-manage`):
**Add Column Tests:**
- ✅ Requires authentication
- ✅ Validates all required fields (tableName, columnName, dataType)
- ✅ Rejects invalid table names
- ✅ Rejects invalid column names
**Modify Column Tests:**
- ✅ Requires authentication
- ✅ Validates required fields
- ✅ Rejects invalid identifiers
**Drop Column Tests:**
- ✅ Requires authentication
- ✅ Validates required fields
- ✅ Rejects invalid identifiers
**Test Coverage:**
- Input validation
- SQL injection prevention
- Authentication/authorization
- Error handling for all CRUD operations
### End-to-End Tests (Playwright UI Tests)
#### 3. `tests/e2e/AdminDashboard.e2e.ts`
Tests for the admin dashboard UI and user flows:
**Navigation Tests:**
- ✅ Redirects to login when not authenticated
- ✅ Displays login page with proper form elements
**Table Manager UI Tests:**
- 🔄 Display Table Manager tab (requires auth - skipped)
- 🔄 Open create table dialog (requires auth - skipped)
**Column Manager UI Tests:**
- 🔄 Display Column Manager tab (requires auth - skipped)
- 🔄 Show table selector (requires auth - skipped)
**Security Tests:**
- ✅ Blocks admin API access without authentication
- ✅ Blocks table management without authentication
- ✅ Blocks column management without authentication
**Note:** Some UI tests are skipped because they require an authenticated session. These can be enabled when a test authentication mechanism is implemented.
## Running Tests
### Run All Tests
```bash
npm test # Run Vitest unit tests
npm run test:e2e # Run Playwright E2E tests
```
### Run Specific Test Files
```bash
# Run integration tests only
npx playwright test tests/integration/
# Run specific test file
npx playwright test tests/integration/TableManager.spec.ts
# Run e2e tests only
npx playwright test tests/e2e/
```
### Run Tests in Watch Mode
```bash
npm run test -- --watch # Vitest watch mode
```
### Run Tests with UI
```bash
npx playwright test --ui # Playwright UI mode
```
## Test Structure
### Integration Tests Pattern
```typescript
test.describe('Feature Name', () => {
test.describe('Specific Functionality', () => {
test('should do something specific', async ({ page }) => {
const response = await page.request.post('/api/endpoint', {
data: { /* test data */ },
});
expect(response.status()).toBe(expectedStatus);
});
});
});
```
### E2E Tests Pattern
```typescript
test.describe('UI Feature', () => {
test('should display correct elements', async ({ page }) => {
await page.goto('/path');
await expect(page.getByRole('button', { name: /action/i })).toBeVisible();
});
});
```
## Security Testing
All tests verify that:
1. **Authentication is required** for admin operations
2. **Input validation** prevents SQL injection
3. **Invalid identifiers** are rejected (table/column names)
4. **Error messages** don't leak sensitive information
## Test Coverage Summary
| Feature | API Tests | UI Tests | Security Tests | Total Tests |
|---------|-----------|----------|----------------|-------------|
| Table Manager | 7 | 2 (2 skipped) | 3 | 12 |
| Column Manager | 9 | 2 (2 skipped) | 3 | 14 |
| Admin Dashboard | - | 3 | 3 | 6 |
| **Total** | **16** | **7** | **9** | **32** |
## Future Test Improvements
### Short Term
- [ ] Add authenticated session fixture for UI tests
- [ ] Enable skipped UI tests with proper authentication
- [ ] Add tests for success scenarios with valid credentials
- [ ] Test visual column builder interactions
- [ ] Test schema refresh after operations
### Medium Term
- [ ] Add performance tests for large table operations
- [ ] Add accessibility tests (a11y)
- [ ] Add visual regression tests
- [ ] Test error recovery and rollback scenarios
- [ ] Add tests for concurrent operations
### Long Term
- [ ] Integration tests with real PostgreSQL database
- [ ] Load testing for multiple simultaneous users
- [ ] Cross-browser compatibility tests
- [ ] Mobile responsiveness tests
## Continuous Integration
Tests are designed to run in CI/CD pipelines:
```yaml
# Example CI configuration
- name: Run Integration Tests
run: npm run test:e2e -- tests/integration/
- name: Run E2E Tests
run: npm run test:e2e -- tests/e2e/
```
## Test Data Management
- Tests use **faker** library for generating random test data
- Each test run creates unique table names to avoid conflicts
- Tests validate authentication is required, so they expect 401 responses when not authenticated
- No database cleanup is required for API validation tests
## Debugging Tests
### View Test Results
```bash
npx playwright show-report # View HTML report
```
### Debug Specific Test
```bash
npx playwright test --debug tests/integration/TableManager.spec.ts
```
### View Test Traces
```bash
npx playwright show-trace trace.zip
```
## Contributing
When adding new features:
1. Add integration tests for new API endpoints
2. Add E2E tests for new UI components
3. Ensure security tests cover authentication
4. Update this documentation with new test coverage
5. Run all tests before submitting PR
---
**Last Updated:** January 2026
**Test Framework:** Playwright + Vitest
**Coverage Status:** ✅ API Validation | 🔄 UI Tests (partial - needs auth)

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'use client';
import {
Button,
Checkbox,
Dialog,
DialogActions,
DialogContent,
DialogTitle,
FormControlLabel,
MenuItem,
Select,
TextField,
Typography,
} from '@mui/material';
import { useEffect, useState } from 'react';
type ColumnDialogProps = {
open: boolean;
mode: 'add' | 'modify' | 'drop';
tableName: string;
columns?: Array<{ column_name: string }>;
onClose: () => void;
onSubmit: (data: any) => Promise<void>;
dataTypes?: string[];
};
export default function ColumnDialog({
open,
mode,
tableName,
columns = [],
onClose,
onSubmit,
dataTypes = ['INTEGER', 'BIGINT', 'VARCHAR', 'TEXT', 'BOOLEAN', 'TIMESTAMP', 'DATE', 'JSON', 'JSONB'],
}: ColumnDialogProps) {
const [columnName, setColumnName] = useState('');
const [columnType, setColumnType] = useState('VARCHAR');
const [nullable, setNullable] = useState(true);
const [defaultValue, setDefaultValue] = useState('');
const [selectedColumn, setSelectedColumn] = useState('');
const [loading, setLoading] = useState(false);
useEffect(() => {
if (!open) {
// Reset form when dialog closes
setColumnName('');
setColumnType('VARCHAR');
setNullable(true);
setDefaultValue('');
setSelectedColumn('');
}
}, [open]);
const handleSubmit = async () => {
setLoading(true);
try {
const data: any = {};
if (mode === 'add') {
data.columnName = columnName;
data.dataType = columnType;
data.nullable = nullable;
if (defaultValue) data.defaultValue = defaultValue;
} else if (mode === 'modify') {
data.columnName = selectedColumn;
data.newType = columnType;
data.nullable = nullable;
} else if (mode === 'drop') {
data.columnName = selectedColumn;
}
await onSubmit(data);
onClose();
} finally {
setLoading(false);
}
};
const getTitle = () => {
switch (mode) {
case 'add':
return `Add Column to ${tableName}`;
case 'modify':
return `Modify Column in ${tableName}`;
case 'drop':
return `Drop Column from ${tableName}`;
default:
return 'Column Operation';
}
};
const isFormValid = () => {
if (mode === 'add') {
return columnName.trim() && columnType;
}
return selectedColumn.trim();
};
return (
<Dialog open={open} onClose={onClose}>
<DialogTitle>{getTitle()}</DialogTitle>
<DialogContent>
{mode === 'drop' && (
<Typography variant="body2" color="error" gutterBottom>
Warning: This will permanently delete the column and all its data!
</Typography>
)}
{mode === 'add' ? (
<>
<TextField
fullWidth
label="Column Name"
value={columnName}
onChange={e => setColumnName(e.target.value)}
sx={{ mt: 2, mb: 2 }}
/>
<Select
fullWidth
value={columnType}
onChange={e => setColumnType(e.target.value)}
sx={{ mb: 2 }}
>
{dataTypes.map(type => (
<MenuItem key={type} value={type}>
{type}
</MenuItem>
))}
</Select>
<FormControlLabel
control={
<Checkbox checked={nullable} onChange={e => setNullable(e.target.checked)} />
}
label="Nullable"
sx={{ mb: 2 }}
/>
<TextField
fullWidth
label="Default Value (optional)"
value={defaultValue}
onChange={e => setDefaultValue(e.target.value)}
/>
</>
) : (
<>
<Select
fullWidth
value={selectedColumn}
onChange={e => setSelectedColumn(e.target.value)}
displayEmpty
sx={{ mt: 2, mb: 2 }}
>
<MenuItem value="">
<em>Select a column</em>
</MenuItem>
{columns.map(col => (
<MenuItem key={col.column_name} value={col.column_name}>
{col.column_name}
</MenuItem>
))}
</Select>
{mode === 'modify' && selectedColumn && (
<>
<Select
fullWidth
value={columnType}
onChange={e => setColumnType(e.target.value)}
sx={{ mb: 2 }}
>
{dataTypes.map(type => (
<MenuItem key={type} value={type}>
{type}
</MenuItem>
))}
</Select>
<FormControlLabel
control={
<Checkbox checked={nullable} onChange={e => setNullable(e.target.checked)} />
}
label="Nullable"
/>
</>
)}
</>
)}
</DialogContent>
<DialogActions>
<Button onClick={onClose}>Cancel</Button>
<Button
onClick={handleSubmit}
variant="contained"
color={mode === 'drop' ? 'error' : 'primary'}
disabled={loading || !isFormValid()}
>
{mode === 'add' ? 'Add Column' : mode === 'modify' ? 'Modify Column' : 'Drop Column'}
</Button>
</DialogActions>
</Dialog>
);
}

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'use client';
import AddIcon from '@mui/icons-material/Add';
import DeleteIcon from '@mui/icons-material/Delete';
import EditIcon from '@mui/icons-material/Edit';
import {
Box,
Button,
MenuItem,
Paper,
Select,
Table,
TableBody,
TableCell,
TableContainer,
TableHead,
TableRow,
Typography,
} from '@mui/material';
import { useEffect, useState } from 'react';
import { getDataTypes, getFeatureById } from '@/utils/featureConfig';
import ColumnDialog from './ColumnDialog';
type ColumnManagerTabProps = {
tables: Array<{ table_name: string }>;
onAddColumn: (tableName: string, data: any) => Promise<void>;
onModifyColumn: (tableName: string, data: any) => Promise<void>;
onDropColumn: (tableName: string, data: any) => Promise<void>;
};
export default function ColumnManagerTab({
tables,
onAddColumn,
onModifyColumn,
onDropColumn,
}: ColumnManagerTabProps) {
const [selectedTable, setSelectedTable] = useState('');
const [tableSchema, setTableSchema] = useState<any>(null);
const [dialogState, setDialogState] = useState<{
open: boolean;
mode: 'add' | 'modify' | 'drop';
}>({ open: false, mode: 'add' });
// Get feature configuration from JSON
const feature = getFeatureById('column-management');
const dataTypes = getDataTypes().map(dt => dt.name);
// Check if actions are enabled from config
const canAdd = feature?.ui.actions.includes('add');
const canModify = feature?.ui.actions.includes('modify');
const canDelete = feature?.ui.actions.includes('delete');
// Fetch schema when table is selected
useEffect(() => {
if (selectedTable) {
fetchTableSchema();
} else {
setTableSchema(null);
}
}, [selectedTable]);
const fetchTableSchema = async () => {
try {
const response = await fetch('/api/admin/table-schema', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ tableName: selectedTable }),
});
if (response.ok) {
const data = await response.json();
setTableSchema(data);
}
} catch (error) {
console.error('Failed to fetch schema:', error);
}
};
const handleColumnOperation = async (data: any) => {
switch (dialogState.mode) {
case 'add':
await onAddColumn(selectedTable, data);
break;
case 'modify':
await onModifyColumn(selectedTable, data);
break;
case 'drop':
await onDropColumn(selectedTable, data);
break;
}
await fetchTableSchema(); // Refresh schema
};
const openDialog = (mode: 'add' | 'modify' | 'drop') => {
setDialogState({ open: true, mode });
};
const closeDialog = () => {
setDialogState({ ...dialogState, open: false });
};
return (
<>
<Typography variant="h5" gutterBottom>
{feature?.name || 'Column Manager'}
</Typography>
{feature?.description && (
<Typography variant="body2" color="text.secondary" gutterBottom>
{feature.description}
</Typography>
)}
<Paper sx={{ p: 2, mt: 2, mb: 2 }}>
<Typography variant="subtitle1" gutterBottom>
Select a table to manage its columns:
</Typography>
<Select
fullWidth
value={selectedTable}
onChange={e => setSelectedTable(e.target.value)}
displayEmpty
>
<MenuItem value="">
<em>Select a table</em>
</MenuItem>
{tables.map(table => (
<MenuItem key={table.table_name} value={table.table_name}>
{table.table_name}
</MenuItem>
))}
</Select>
</Paper>
{selectedTable && (
<>
<Box sx={{ mb: 2 }}>
{canAdd && (
<Button
variant="contained"
startIcon={<AddIcon />}
onClick={() => openDialog('add')}
sx={{ mr: 2 }}
>
Add Column
</Button>
)}
{canModify && (
<Button
variant="outlined"
startIcon={<EditIcon />}
onClick={() => openDialog('modify')}
sx={{ mr: 2 }}
>
Modify Column
</Button>
)}
{canDelete && (
<Button
variant="outlined"
color="error"
startIcon={<DeleteIcon />}
onClick={() => openDialog('drop')}
>
Drop Column
</Button>
)}
</Box>
{tableSchema && (
<Paper sx={{ mt: 2 }}>
<Box sx={{ p: 2 }}>
<Typography variant="h6" gutterBottom>
Current Columns for {selectedTable}
</Typography>
<TableContainer>
<Table size="small">
<TableHead>
<TableRow>
<TableCell><strong>Column Name</strong></TableCell>
<TableCell><strong>Data Type</strong></TableCell>
<TableCell><strong>Nullable</strong></TableCell>
<TableCell><strong>Default</strong></TableCell>
</TableRow>
</TableHead>
<TableBody>
{tableSchema.columns?.map((col: any) => (
<TableRow key={col.column_name}>
<TableCell>{col.column_name}</TableCell>
<TableCell>{col.data_type}</TableCell>
<TableCell>{col.is_nullable}</TableCell>
<TableCell>{col.column_default || 'NULL'}</TableCell>
</TableRow>
))}
</TableBody>
</Table>
</TableContainer>
</Box>
</Paper>
)}
</>
)}
<ColumnDialog
open={dialogState.open}
mode={dialogState.mode}
tableName={selectedTable}
columns={tableSchema?.columns || []}
onClose={closeDialog}
onSubmit={handleColumnOperation}
dataTypes={dataTypes}
/>
</>
);
}

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'use client';
import AddIcon from '@mui/icons-material/Add';
import DeleteIcon from '@mui/icons-material/Delete';
import {
Box,
Button,
Checkbox,
Dialog,
DialogActions,
DialogContent,
DialogTitle,
FormControlLabel,
IconButton,
MenuItem,
Select,
TextField,
Typography,
} from '@mui/material';
import { useState } from 'react';
type Column = {
name: string;
type: string;
length?: number;
nullable: boolean;
primaryKey: boolean;
};
type CreateTableDialogProps = {
open: boolean;
onClose: () => void;
onCreate: (tableName: string, columns: Column[]) => Promise<void>;
dataTypes?: string[];
};
export default function CreateTableDialog({
open,
onClose,
onCreate,
dataTypes = ['INTEGER', 'BIGINT', 'SERIAL', 'VARCHAR', 'TEXT', 'BOOLEAN', 'TIMESTAMP', 'DATE', 'JSON', 'JSONB'],
}: CreateTableDialogProps) {
const [tableName, setTableName] = useState('');
const [columns, setColumns] = useState<Column[]>([
{ name: '', type: 'VARCHAR', length: 255, nullable: true, primaryKey: false },
]);
const [loading, setLoading] = useState(false);
const handleCreate = async () => {
setLoading(true);
try {
await onCreate(tableName, columns.filter(col => col.name.trim()));
handleClose();
} finally {
setLoading(false);
}
};
const handleClose = () => {
setTableName('');
setColumns([{ name: '', type: 'VARCHAR', length: 255, nullable: true, primaryKey: false }]);
onClose();
};
const addColumn = () => {
setColumns([...columns, { name: '', type: 'VARCHAR', length: 255, nullable: true, primaryKey: false }]);
};
const updateColumn = (index: number, field: string, value: any) => {
const updated = [...columns];
updated[index] = { ...updated[index], [field]: value };
setColumns(updated);
};
const removeColumn = (index: number) => {
if (columns.length > 1) {
setColumns(columns.filter((_, i) => i !== index));
}
};
return (
<Dialog open={open} onClose={handleClose} maxWidth="md" fullWidth>
<DialogTitle>Create New Table</DialogTitle>
<DialogContent>
<TextField
fullWidth
label="Table Name"
value={tableName}
onChange={e => setTableName(e.target.value)}
sx={{ mt: 2, mb: 2 }}
/>
<Typography variant="subtitle1" gutterBottom>
Columns:
</Typography>
{columns.map((col, index) => (
<Box key={index} sx={{ mb: 2, p: 2, border: '1px solid #ddd', borderRadius: 1 }}>
<TextField
label="Column Name"
value={col.name}
onChange={e => updateColumn(index, 'name', e.target.value)}
sx={{ mr: 1, mb: 1 }}
/>
<Select
value={col.type}
onChange={e => updateColumn(index, 'type', e.target.value)}
sx={{ mr: 1, mb: 1, minWidth: 120 }}
>
{dataTypes.map(type => (
<MenuItem key={type} value={type}>
{type}
</MenuItem>
))}
</Select>
{col.type === 'VARCHAR' && (
<TextField
label="Length"
type="number"
value={col.length || 255}
onChange={e => updateColumn(index, 'length', e.target.value)}
sx={{ mr: 1, mb: 1, width: 100 }}
/>
)}
<FormControlLabel
control={
<Checkbox
checked={col.nullable}
onChange={e => updateColumn(index, 'nullable', e.target.checked)}
/>
}
label="Nullable"
sx={{ mr: 1 }}
/>
<FormControlLabel
control={
<Checkbox
checked={col.primaryKey}
onChange={e => updateColumn(index, 'primaryKey', e.target.checked)}
/>
}
label="Primary Key"
sx={{ mr: 1 }}
/>
{columns.length > 1 && (
<IconButton onClick={() => removeColumn(index)} color="error" size="small">
<DeleteIcon />
</IconButton>
)}
</Box>
))}
<Button startIcon={<AddIcon />} onClick={addColumn} variant="outlined">
Add Column
</Button>
</DialogContent>
<DialogActions>
<Button onClick={handleClose}>Cancel</Button>
<Button onClick={handleCreate} variant="contained" disabled={loading || !tableName.trim()}>
Create Table
</Button>
</DialogActions>
</Dialog>
);
}

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'use client';
import {
Button,
Dialog,
DialogActions,
DialogContent,
DialogTitle,
MenuItem,
Select,
Typography,
} from '@mui/material';
import { useState } from 'react';
type DropTableDialogProps = {
open: boolean;
tables: Array<{ table_name: string }>;
onClose: () => void;
onDrop: (tableName: string) => Promise<void>;
};
export default function DropTableDialog({
open,
tables,
onClose,
onDrop,
}: DropTableDialogProps) {
const [selectedTable, setSelectedTable] = useState('');
const [loading, setLoading] = useState(false);
const handleDrop = async () => {
if (!selectedTable) return;
setLoading(true);
try {
await onDrop(selectedTable);
handleClose();
} finally {
setLoading(false);
}
};
const handleClose = () => {
setSelectedTable('');
onClose();
};
return (
<Dialog open={open} onClose={handleClose}>
<DialogTitle>Drop Table</DialogTitle>
<DialogContent>
<Typography variant="body2" color="error" gutterBottom>
Warning: This will permanently delete the table and all its data!
</Typography>
<Select
fullWidth
value={selectedTable}
onChange={e => setSelectedTable(e.target.value)}
displayEmpty
sx={{ mt: 2 }}
>
<MenuItem value="">
<em>Select a table to drop</em>
</MenuItem>
{tables.map(table => (
<MenuItem key={table.table_name} value={table.table_name}>
{table.table_name}
</MenuItem>
))}
</Select>
</DialogContent>
<DialogActions>
<Button onClick={handleClose}>Cancel</Button>
<Button
onClick={handleDrop}
color="error"
variant="contained"
disabled={loading || !selectedTable}
>
Drop Table
</Button>
</DialogActions>
</Dialog>
);
}

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'use client';
import AddIcon from '@mui/icons-material/Add';
import DeleteIcon from '@mui/icons-material/Delete';
import TableChartIcon from '@mui/icons-material/TableChart';
import {
Box,
Button,
List,
ListItem,
ListItemIcon,
ListItemText,
Paper,
Typography,
} from '@mui/material';
import { useState } from 'react';
import { getDataTypes, getFeatureById } from '@/utils/featureConfig';
import CreateTableDialog from './CreateTableDialog';
import DropTableDialog from './DropTableDialog';
type TableManagerTabProps = {
tables: Array<{ table_name: string }>;
onCreateTable: (tableName: string, columns: any[]) => Promise<void>;
onDropTable: (tableName: string) => Promise<void>;
};
export default function TableManagerTab({
tables,
onCreateTable,
onDropTable,
}: TableManagerTabProps) {
const [openCreateDialog, setOpenCreateDialog] = useState(false);
const [openDropDialog, setOpenDropDialog] = useState(false);
// Get feature configuration from JSON
const feature = getFeatureById('table-management');
const dataTypes = getDataTypes().map(dt => dt.name);
// Check if actions are enabled
const canCreate = feature?.ui.actions.includes('create');
const canDelete = feature?.ui.actions.includes('delete');
return (
<>
<Typography variant="h5" gutterBottom>
{feature?.name || 'Table Manager'}
</Typography>
{feature?.description && (
<Typography variant="body2" color="text.secondary" gutterBottom>
{feature.description}
</Typography>
)}
<Box sx={{ mt: 2, mb: 2 }}>
{canCreate && (
<Button
variant="contained"
startIcon={<AddIcon />}
onClick={() => setOpenCreateDialog(true)}
sx={{ mr: 2 }}
>
Create Table
</Button>
)}
{canDelete && (
<Button
variant="outlined"
color="error"
startIcon={<DeleteIcon />}
onClick={() => setOpenDropDialog(true)}
>
Drop Table
</Button>
)}
</Box>
<Paper sx={{ mt: 2 }}>
<Box sx={{ p: 2 }}>
<Typography variant="h6" gutterBottom>
Existing Tables
</Typography>
<List>
{tables.map(table => (
<ListItem key={table.table_name}>
<ListItemIcon>
<TableChartIcon />
</ListItemIcon>
<ListItemText primary={table.table_name} />
</ListItem>
))}
{tables.length === 0 && (
<ListItem>
<ListItemText primary="No tables found" />
</ListItem>
)}
</List>
</Box>
</Paper>
<CreateTableDialog
open={openCreateDialog}
onClose={() => setOpenCreateDialog(false)}
onCreate={onCreateTable}
dataTypes={dataTypes}
/>
<DropTableDialog
open={openDropDialog}
tables={tables}
onClose={() => setOpenDropDialog(false)}
onDrop={onDropTable}
/>
</>
);
}

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import { describe, expect, it } from 'vitest';
import {
getDataTypes,
getEnabledFeaturesByPriority,
getFeatureById,
getFeatures,
getNavItems,
} from './featureConfig';
describe('FeatureConfig', () => {
describe('getFeatures', () => {
it('should return only enabled features', () => {
const features = getFeatures();
expect(features).toBeDefined();
expect(Array.isArray(features)).toBe(true);
// All returned features should be enabled
features.forEach(feature => {
expect(feature.enabled).toBe(true);
});
});
it('should return features with required properties', () => {
const features = getFeatures();
features.forEach(feature => {
expect(feature).toHaveProperty('id');
expect(feature).toHaveProperty('name');
expect(feature).toHaveProperty('description');
expect(feature).toHaveProperty('enabled');
expect(feature).toHaveProperty('priority');
expect(feature).toHaveProperty('endpoints');
expect(feature).toHaveProperty('ui');
});
});
it('should return features with valid UI configuration', () => {
const features = getFeatures();
features.forEach(feature => {
expect(feature.ui).toHaveProperty('showInNav');
expect(feature.ui).toHaveProperty('icon');
expect(feature.ui).toHaveProperty('actions');
expect(Array.isArray(feature.ui.actions)).toBe(true);
});
});
});
describe('getFeatureById', () => {
it('should return feature when ID exists and is enabled', () => {
const feature = getFeatureById('database-crud');
expect(feature).toBeDefined();
expect(feature?.id).toBe('database-crud');
expect(feature?.enabled).toBe(true);
});
it('should return feature for table-management', () => {
const feature = getFeatureById('table-management');
expect(feature).toBeDefined();
expect(feature?.id).toBe('table-management');
expect(feature?.name).toBe('Table Management');
});
it('should return feature for column-management', () => {
const feature = getFeatureById('column-management');
expect(feature).toBeDefined();
expect(feature?.id).toBe('column-management');
expect(feature?.name).toBe('Column Management');
});
it('should return feature for sql-query', () => {
const feature = getFeatureById('sql-query');
expect(feature).toBeDefined();
expect(feature?.id).toBe('sql-query');
expect(feature?.name).toBe('SQL Query Interface');
});
it('should return undefined for non-existent feature ID', () => {
const feature = getFeatureById('non-existent-feature');
expect(feature).toBeUndefined();
});
it('should return undefined for disabled feature', () => {
// This test assumes there might be disabled features in the config
const features = getFeatures();
const enabledIds = features.map(f => f.id);
// Try to get a feature that doesn't exist in enabled list
const disabledFeature = getFeatureById('disabled-test-feature');
expect(disabledFeature).toBeUndefined();
});
});
describe('getDataTypes', () => {
it('should return array of data types', () => {
const dataTypes = getDataTypes();
expect(dataTypes).toBeDefined();
expect(Array.isArray(dataTypes)).toBe(true);
expect(dataTypes.length).toBeGreaterThan(0);
});
it('should return data types with required properties', () => {
const dataTypes = getDataTypes();
dataTypes.forEach(dataType => {
expect(dataType).toHaveProperty('name');
expect(dataType).toHaveProperty('category');
expect(dataType).toHaveProperty('requiresLength');
expect(typeof dataType.name).toBe('string');
expect(typeof dataType.category).toBe('string');
expect(typeof dataType.requiresLength).toBe('boolean');
});
});
it('should include common PostgreSQL data types', () => {
const dataTypes = getDataTypes();
const typeNames = dataTypes.map(dt => dt.name);
// Check for essential PostgreSQL types
expect(typeNames).toContain('INTEGER');
expect(typeNames).toContain('VARCHAR');
expect(typeNames).toContain('TEXT');
expect(typeNames).toContain('BOOLEAN');
expect(typeNames).toContain('TIMESTAMP');
});
it('should have VARCHAR with requiresLength = true', () => {
const dataTypes = getDataTypes();
const varchar = dataTypes.find(dt => dt.name === 'VARCHAR');
expect(varchar).toBeDefined();
expect(varchar?.requiresLength).toBe(true);
expect(varchar?.defaultLength).toBeDefined();
});
it('should have INTEGER with requiresLength = false', () => {
const dataTypes = getDataTypes();
const integer = dataTypes.find(dt => dt.name === 'INTEGER');
expect(integer).toBeDefined();
expect(integer?.requiresLength).toBe(false);
});
it('should categorize data types correctly', () => {
const dataTypes = getDataTypes();
const integer = dataTypes.find(dt => dt.name === 'INTEGER');
expect(integer?.category).toBe('numeric');
const varchar = dataTypes.find(dt => dt.name === 'VARCHAR');
expect(varchar?.category).toBe('text');
const boolean = dataTypes.find(dt => dt.name === 'BOOLEAN');
expect(boolean?.category).toBe('boolean');
});
});
describe('getNavItems', () => {
it('should return array of navigation items', () => {
const navItems = getNavItems();
expect(navItems).toBeDefined();
expect(Array.isArray(navItems)).toBe(true);
});
it('should return nav items with required properties', () => {
const navItems = getNavItems();
navItems.forEach(item => {
expect(item).toHaveProperty('id');
expect(item).toHaveProperty('label');
expect(item).toHaveProperty('icon');
expect(item).toHaveProperty('featureId');
});
});
it('should only return nav items for enabled features', () => {
const navItems = getNavItems();
navItems.forEach(item => {
const feature = getFeatureById(item.featureId);
expect(feature).toBeDefined();
expect(feature?.enabled).toBe(true);
});
});
it('should include Tables nav item', () => {
const navItems = getNavItems();
const tablesItem = navItems.find(item => item.id === 'tables');
expect(tablesItem).toBeDefined();
expect(tablesItem?.featureId).toBe('database-crud');
});
it('should include SQL Query nav item', () => {
const navItems = getNavItems();
const queryItem = navItems.find(item => item.id === 'query');
expect(queryItem).toBeDefined();
expect(queryItem?.featureId).toBe('sql-query');
});
it('should include Table Manager nav item', () => {
const navItems = getNavItems();
const tableManagerItem = navItems.find(item => item.id === 'table-manager');
expect(tableManagerItem).toBeDefined();
expect(tableManagerItem?.featureId).toBe('table-management');
});
});
describe('getEnabledFeaturesByPriority', () => {
it('should return features with high priority', () => {
const highPriorityFeatures = getEnabledFeaturesByPriority('high');
expect(Array.isArray(highPriorityFeatures)).toBe(true);
highPriorityFeatures.forEach(feature => {
expect(feature.priority).toBe('high');
expect(feature.enabled).toBe(true);
});
});
it('should return all enabled features have high priority', () => {
const highPriorityFeatures = getEnabledFeaturesByPriority('high');
// All current features should have high priority
expect(highPriorityFeatures.length).toBeGreaterThan(0);
const ids = highPriorityFeatures.map(f => f.id);
expect(ids).toContain('database-crud');
expect(ids).toContain('table-management');
expect(ids).toContain('column-management');
expect(ids).toContain('sql-query');
});
it('should return empty array for non-existent priority', () => {
const features = getEnabledFeaturesByPriority('non-existent-priority');
expect(Array.isArray(features)).toBe(true);
expect(features.length).toBe(0);
});
it('should return empty array for low priority (if none exist)', () => {
const lowPriorityFeatures = getEnabledFeaturesByPriority('low');
expect(Array.isArray(lowPriorityFeatures)).toBe(true);
// Expecting 0 since current config has all high priority
expect(lowPriorityFeatures.length).toBe(0);
});
});
describe('Feature endpoints', () => {
it('should have valid endpoint structure for database-crud', () => {
const feature = getFeatureById('database-crud');
expect(feature?.endpoints).toBeDefined();
expect(Array.isArray(feature?.endpoints)).toBe(true);
expect(feature?.endpoints.length).toBeGreaterThan(0);
feature?.endpoints.forEach(endpoint => {
expect(endpoint).toHaveProperty('path');
expect(endpoint).toHaveProperty('methods');
expect(endpoint).toHaveProperty('description');
expect(endpoint.path).toMatch(/^\/api\//);
});
});
it('should have valid endpoint structure for table-management', () => {
const feature = getFeatureById('table-management');
expect(feature?.endpoints).toBeDefined();
const tableManageEndpoint = feature?.endpoints.find(
ep => ep.path === '/api/admin/table-manage'
);
expect(tableManageEndpoint).toBeDefined();
expect(tableManageEndpoint?.methods).toContain('POST');
expect(tableManageEndpoint?.methods).toContain('DELETE');
});
it('should have valid endpoint structure for column-management', () => {
const feature = getFeatureById('column-management');
expect(feature?.endpoints).toBeDefined();
const columnManageEndpoint = feature?.endpoints.find(
ep => ep.path === '/api/admin/column-manage'
);
expect(columnManageEndpoint).toBeDefined();
expect(columnManageEndpoint?.methods).toContain('POST');
expect(columnManageEndpoint?.methods).toContain('PUT');
expect(columnManageEndpoint?.methods).toContain('DELETE');
});
});
describe('Feature UI configuration', () => {
it('should have correct UI actions for database-crud', () => {
const feature = getFeatureById('database-crud');
expect(feature?.ui.actions).toContain('create');
expect(feature?.ui.actions).toContain('read');
expect(feature?.ui.actions).toContain('update');
expect(feature?.ui.actions).toContain('delete');
});
it('should have correct UI actions for table-management', () => {
const feature = getFeatureById('table-management');
expect(feature?.ui.actions).toContain('create');
expect(feature?.ui.actions).toContain('delete');
});
it('should have correct UI actions for column-management', () => {
const feature = getFeatureById('column-management');
expect(feature?.ui.actions).toContain('add');
expect(feature?.ui.actions).toContain('modify');
expect(feature?.ui.actions).toContain('delete');
});
it('should all features have showInNav in UI config', () => {
const features = getFeatures();
features.forEach(feature => {
expect(typeof feature.ui.showInNav).toBe('boolean');
});
});
});
});