Fix data route #40
Fix data route #40
Conversation
- Add logger for GET and POST requests - Log request details and query parameters - Add error handling and logging for unsupported model types - Improve error messages for internal errors
- Add comprehensive logging at various stages of GET, PUT, and DELETE requests - Implement null check for fetched item to prevent NoSuchMethodError - Wrap CRUD operations in try-catch blocks to handle unhandled exceptions - Log unsupported model types as warnings instead of throwing errors - Improve error messages by including specific model names and IDs
- Add detailed logging for errors and stack traces - Improve error visibility and debugging capabilities
- Add `dataFetchMiddleware` to retrieve data item by ID - Integrate `ownershipCheckMiddleware` for access control - Establish middleware chain for efficient request handling
- Add dataFetchMiddleware to centralize item fetching logic - Implement item fetching from various data repositories based on model name - Handle cases where item is not found or model type is unsupported - Integrate logging for better visibility into fetch operations
- Remove unused import of model_registry.dart
- Remove unused import of data_repository - Adjust middleware to run after dataFetchMiddleware, assuming item is already fetched - Simplify ownership check logic and error handling - Update comments and documentation for clearer understanding
- Remove unused import of DashboardSummaryService - Remove _readItem function and its related logic - Assume item is already fetched and validated by middleware - Simplify _handleGet function to prepare and return success response
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Summary of Changes
Hello @fulleni, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
This pull request refactors the data fetching and ownership checking logic for API routes. I've introduced a new DataFetchMiddleware to centralize the process of retrieving data items by their ID. This new middleware ensures that items are consistently fetched and made available in the request context. Consequently, the OwnershipCheckMiddleware and the individual item-specific route handlers (/api/v1/data/[id]) have been streamlined to rely on this pre-fetched data, removing redundant fetching logic. Additionally, I've enhanced the logging and error handling across various data-related routes to provide better visibility and robustness.
Highlights
- Centralized Data Fetching: Introduced DataFetchMiddleware to encapsulate item retrieval by ID, ensuring a single, consistent point for fetching data.
- Streamlined Ownership Checks: Refactored OwnershipCheckMiddleware to consume items pre-fetched by DataFetchMiddleware, simplifying its role to just ownership validation.
- Improved Route Middleware Chain: Updated the /api/v1/data/[id]/_middleware.dart to correctly sequence DataFetchMiddleware before OwnershipCheckMiddleware, ensuring data is available for subsequent checks.
- Simplified Item Route Handlers: Modified the GET, PUT, and DELETE handlers for individual data items (routes/api/v1/data/[id]/index.dart) to remove their internal data fetching logic, relying on the new middleware.
- Enhanced Logging and Error Handling: Implemented more comprehensive logging, including error and stack trace details, and added robust try-catch blocks around data repository operations in both item and collection routes.
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Code Review
This pull request introduces a significant and beneficial refactoring by centralizing the data fetching logic for item-specific routes into a new dataFetchMiddleware. This change effectively removes duplicated code from the route handlers, making them cleaner and easier to maintain. The ownershipCheckMiddleware is also simplified as a result. Additionally, the PR enhances logging and adds more robust error handling with try-catch blocks in various data operation helpers.
My review focuses on further improving maintainability. I've noticed that several helper functions (_fetchItem, _updateItem, _deleteItem, etc.) still use large switch statements. I've suggested refactoring these to a more declarative, map-based approach, which would make the code easier to extend and manage as more data models are introduced.
Status
READY/IN DEVELOPMENT/HOLD
Description
Type of Change