Implement TargetUnit repository #42
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- Added `RedminePool.ts` to manage MySQL connection pooling, including methods for pool creation and termination. - Created `RedminePool.test.ts` to validate the functionality of the `RedminePool` class, ensuring proper pool management and error handling. These additions enhance database connection management and improve test coverage for the Redmine integration.
- Updated the `RedminePool.test.ts` file to enhance type safety by defining a `PoolMock` interface. - Refactored the test setup to improve readability and maintainability, including clearer type assertions for pool properties. - Adjusted the formatting of the credentials object for better clarity. These changes improve the robustness of the tests for the `RedminePool` class, ensuring better type checking and organization.
- Updated the `RedminePool` class to include error handling during pool creation and termination, ensuring that meaningful error messages are thrown when failures occur. - Added new test cases in `RedminePool.test.ts` to validate the graceful handling of pool creation and termination errors. These changes improve the robustness of the `RedminePool` class by ensuring it can handle errors effectively, enhancing overall reliability.
- Added `ProjectUnit` interface to define the structure of Project Unit data. - Created `IRedmineRepository` interface for fetching project units. - Implemented `RedmineRepository` class to handle database queries and map results to `ProjectUnit`. - Introduced SQL query for retrieving project units based on time entries. - Developed `RedmineService` class to provide a service layer for accessing project units. Implements Redmine project unit management Adds functionality to retrieve and manage project units from Redmine. Introduces a repository pattern for data access, a service layer for business logic, and a data transfer object for representing project unit information. This provides a structured way to interact with the Redmine database and retrieve project-related data.
📝 WalkthroughWalkthroughThis change introduces a new data access layer for aggregating time entry data by group, project, user, and date from a MySQL database. It defines new TypeScript interfaces, a repository class, a custom error class, SQL queries, and comprehensive unit tests for both the repository and error handling logic. Changes
Sequence Diagram(s)sequenceDiagram
participant Client
participant TargetUnitRepository
participant MySQLPool
participant Database
Client->>TargetUnitRepository: getTargetUnits()
TargetUnitRepository->>MySQLPool: execute(TARGET_UNITS_QUERY)
MySQLPool->>Database: Run SQL query
Database-->>MySQLPool: Return rows
MySQLPool-->>TargetUnitRepository: Return rows
TargetUnitRepository->>TargetUnitRepository: mapRowToTargetUnit(row)
TargetUnitRepository-->>Client: Return TargetUnit[]
Note over TargetUnitRepository,Client: If error, throw TargetUnitRepositoryError
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- Modified the SQL query in `queries.ts` to adjust the date range for fetching time entries. - The new query now correctly calculates the start and end dates for the past week, ensuring accurate data retrieval. This change enhances the accuracy of time entry data fetched from the Redmine API, improving reporting and analysis capabilities.
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Actionable comments posted: 3
🧹 Nitpick comments (4)
workers/main/src/common/types.ts (1)
1-12: Inconsistent naming conventions
TheProjectUnitinterface mixes snake_case (e.g.,group_id) with camelCase (projectRate). Consider standardizing field names (all camelCase or map DB names to domain models) to improve clarity and consistency.workers/main/src/services/redmine/types.ts (1)
18-24: Unused result types
ProjectUnitsResultandEmployeeRatesResultare defined but not referenced in this PR. Consider removing or documenting their purpose to avoid dead code.workers/main/src/common/RedminePool.ts (1)
25-31: Address potential null reference after pool recreation.While the logic looks correct, using the non-null assertion operator (
!) onthis.poolassumes thatcreatePool()will always successfully set the pool. IfcreatePool()were to fail silently or not set the pool, this could cause a runtime error.Consider adding a runtime check for additional safety:
public getPool(): Pool { if (!this.pool || this.poolEnded) { this.createPool(); } - return this.pool!; + if (!this.pool) { + throw new Error('Failed to create or retrieve MySQL pool'); + } + return this.pool; }workers/main/src/services/redmine/RedmineRepository.ts (1)
28-51: Remove unnecessary explicit type coercion in mapper.The explicit type coercion using
Number(),String()etc. is unnecessary since TypeScript already guarantees the types through theProjectUnitRowinterface. The database driver should return correctly typed values.Simplify the mapper by removing explicit coercion:
private static mapRowToProjectUnit( this: void, - { - group_id, - group_name, - project_id, - project_name, - user_id, - username, - spent_on, - total_hours, - }: ProjectUnitRow, + row: ProjectUnitRow, ): ProjectUnit { - return { - group_id: Number(group_id), - group_name: String(group_name), - project_id: Number(project_id), - project_name: String(project_name), - user_id: Number(user_id), - username: String(username), - spent_on: String(spent_on), - total_hours: Number(total_hours), - }; + return row; }
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workers/main/src/common/RedminePool.ts (2)
33-45: 🛠️ Refactor suggestion
Reconsider setting poolEnded flag on pool termination failure.
The current implementation sets
poolEnded = trueeven whenpool.end()fails. This could mask the fact that the pool wasn't properly closed and resources might still be held.Consider only setting the flag on successful termination:
async endPool() { if (this.pool && !this.poolEnded) { try { await this.pool.end(); this.poolEnded = true; } catch (error) { - this.poolEnded = true; const errMsg = error instanceof Error ? error.message : String(error); - - throw new Error(`Failed to end MySQL connection pool: ${errMsg}`); + throw new Error( + `Failed to end MySQL connection pool: ${errMsg}`, + { cause: error } + ); } } }📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.async endPool() { if (this.pool && !this.poolEnded) { try { await this.pool.end(); this.poolEnded = true; } catch (error) { const errMsg = error instanceof Error ? error.message : String(error); throw new Error( `Failed to end MySQL connection pool: ${errMsg}`, { cause: error } ); } } }🤖 Prompt for AI Agents
In workers/main/src/common/RedminePool.ts around lines 33 to 45, the poolEnded flag is set to true even if ending the pool fails, which can incorrectly indicate the pool was closed. Modify the code to set poolEnded to true only after a successful pool.end() call, and do not set it in the catch block to accurately reflect the pool's state.
9-18: 🛠️ Refactor suggestion
Improve constructor error handling robustness.
The constructor's try-catch block may not effectively handle all potential errors from
createPool(). Ifmysql.createPool()throws synchronously, the error will be caught and re-thrown properly. However, the error handling could be more robust.Consider this approach to ensure all pool creation errors are properly handled:
constructor(credentials: PoolOptions) { this.credentials = credentials; try { this.createPool(); } catch (error) { - const errMsg = error instanceof Error ? error.message : String(error); - - throw new Error(`RedminePool initialization failed: ${errMsg}`); + throw new Error( + `RedminePool initialization failed: ${error instanceof Error ? error.message : String(error)}`, + { cause: error } + ); } }📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.constructor(credentials: PoolOptions) { this.credentials = credentials; try { this.createPool(); } catch (error) { throw new Error( `RedminePool initialization failed: ${error instanceof Error ? error.message : String(error)}`, { cause: error } ); } }🤖 Prompt for AI Agents
In workers/main/src/common/RedminePool.ts around lines 9 to 18, improve the constructor's error handling by ensuring that any errors thrown during asynchronous or synchronous pool creation in createPool() are properly caught. Modify createPool() to handle errors internally or return a promise that the constructor can await with try-catch, so all errors during pool creation are captured and re-thrown with a clear message in the constructor.workers/main/src/services/redmine/RedmineRepository.ts (1)
53-70: 🛠️ Refactor suggestion
Improve error handling and logging approach.
Several improvements could be made to the error handling:
- Console logging may not be appropriate in all environments
- Consider using a proper logging framework
- The type assertion
(error as Error)assumes the error is always an Error instanceasync getProjectUnits(): Promise<ProjectUnit[]> { try { const [rows] = await this.pool.query<ProjectUnitRow[]>(PROJECT_UNITS_QUERY); if (!Array.isArray(rows)) { throw new RedmineRepositoryError('Query did not return an array'); } return rows.map(RedmineRepository.mapRowToProjectUnit); } catch (error) { - console.error('RedmineRepository.getProjectUnits error:', error); + // TODO: Replace with proper logger injection + console.error('RedmineRepository.getProjectUnits error:', error); throw new RedmineRepositoryError( - `RedmineRepository.getProjectUnits failed: ${(error as Error).message}`, + `RedmineRepository.getProjectUnits failed: ${error instanceof Error ? error.message : String(error)}`, error, ); } }🤖 Prompt for AI Agents
In workers/main/src/services/redmine/RedmineRepository.ts around lines 53 to 70, replace the console.error call with a proper logging framework method to ensure consistent and configurable logging. Modify the catch block to safely handle the error object without assuming it is always an instance of Error by checking its type before accessing the message property. This will improve error handling robustness and logging appropriateness across different environments.
- Introduced `RedmineRepository.test.ts` to validate the functionality of the `RedmineRepository` class, including tests for mapping rows to `ProjectUnit` and error handling. - Created `RedmineService.test.ts` to ensure the `RedmineService` correctly retrieves project units from the repository. These additions enhance test coverage for the Redmine integration, ensuring the reliability of data retrieval and error management in the repository and service layers.
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Actionable comments posted: 1
🧹 Nitpick comments (4)
workers/main/src/services/redmine/queries.ts (1)
1-31: Consider query performance optimization.This query joins multiple large tables and performs complex date calculations in the WHERE clause, which may impact performance on large datasets.
Consider these optimizations:
- Add database indexes on
te.spent_on,g.type, and foreign key columns if not already present- Move date calculations outside the query by computing the date range in application code
- Consider if the nested query structure can be flattened for better performance
+-- Example of moving date calculation to application code: +-- const startDate = getMonandayOfPreviousWeek(); +-- const endDate = getSundayOfCurrentWeek(); +-- Then use parameterized query: te.spent_on >= ? AND te.spent_on <= ?workers/main/src/services/redmine/RedmineService.test.ts (1)
37-46: Enhance test coverage with additional scenarios.The current test only covers the happy path. Consider adding tests for edge cases to improve coverage.
+ it('should return empty array when repository returns empty array', async () => { + mockRepo.getProjectUnits.mockResolvedValueOnce([]); + + const result = await service.getProjectUnits(); + + expect(result).toEqual([]); + expect(mockRepo.getProjectUnits).toHaveBeenCalledTimes(1); + }); + + it('should propagate repository errors', async () => { + const error = new Error('Repository error'); + mockRepo.getProjectUnits.mockRejectedValueOnce(error); + + await expect(service.getProjectUnits()).rejects.toThrow('Repository error'); + expect(mockRepo.getProjectUnits).toHaveBeenCalledTimes(1); + });workers/main/src/services/redmine/RedmineRepository.test.ts (2)
38-39: Remove unnecessary constructor property from mock data.The
constructor: { name: 'RowDataPacket' }property is not needed in the test mock and adds unnecessary complexity.- constructor: { name: 'RowDataPacket' }, - } as ProjectUnitRow, + },
45-45: Use precise type assertion for complete objects.The
Partial<ProjectUnit>[]type assertion is unnecessary since the expected result contains completeProjectUnitobjects.- expect(result).toEqual<Partial<ProjectUnit>[]>([ + expect(result).toEqual<ProjectUnit[]>([
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workers/main/src/services/redmine/RedmineRepository.test.ts (3)
workers/main/src/services/redmine/types.ts (2)
IPoolProvider(14-16)ProjectUnitRow(3-12)workers/main/src/services/redmine/RedmineRepository.ts (2)
RedmineRepository(21-71)RedmineRepositoryError(8-19)workers/main/src/common/types.ts (1)
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workers/main/src/services/redmine/RedmineService.test.ts (2)
workers/main/src/common/types.ts (1)
ProjectUnit(1-12)workers/main/src/services/redmine/RedmineService.ts (1)
RedmineService(4-10)
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🔇 Additional comments (3)
workers/main/src/services/redmine/RedmineService.test.ts (1)
6-18: LGTM! Clean helper function design.The
createProjectUnithelper function with partial overrides is a good pattern for test data creation, making tests more readable and maintainable.workers/main/src/services/redmine/RedmineRepository.test.ts (2)
13-25: LGTM! Proper test setup and teardown.The beforeEach/afterEach setup correctly mocks the MySQL pool and ensures clean state between tests.
59-69: LGTM! Comprehensive error handling tests.The error handling tests properly cover both invalid result format and query failure scenarios, ensuring robust error propagation.
This change replaces the RedmineService and its related components with TargetUnitService to align with updated domain terminology. All references, files, and test cases have been renamed or updated to maintain consistency.
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🧹 Nitpick comments (4)
workers/main/src/services/TargetUnit/TargetUnitRepository.test.ts (2)
30-30: Fix test description naming inconsistency.The test description mentions "TargetUnit" but should refer to "ProjectUnit" to match the actual return type.
- it('maps rows to TargetUnit and returns them', async () => { + it('maps rows to ProjectUnit and returns them', async () => {
48-48: Remove unnecessary Partial type annotation.The test data includes all required fields of
ProjectUnit, soPartial<ProjectUnit>[]should beProjectUnit[].- expect(result).toEqual<Partial<ProjectUnit>[]>([ + expect(result).toEqual<ProjectUnit[]>([workers/main/src/services/TargetUnit/TargetUnitRepository.ts (2)
28-51: Remove unnecessary type coercion in mapping method.The explicit type coercion using
Number()andString()is unnecessary sinceTargetUnitRowalready defines the correct types for these fields. This adds runtime overhead without benefit.private static mapRowToProjectUnit( this: void, { group_id, group_name, project_id, project_name, user_id, username, spent_on, total_hours, }: TargetUnitRow, ): ProjectUnit { return { - group_id: Number(group_id), - group_name: String(group_name), - project_id: Number(project_id), - project_name: String(project_name), - user_id: Number(user_id), - username: String(username), - spent_on: String(spent_on), - total_hours: Number(total_hours), + group_id, + group_name, + project_id, + project_name, + user_id, + username, + spent_on, + total_hours, }; }
53-70: Improve error handling safety and logging.The method implementation is solid, but the error type assertion could be safer and the logging could be more informative.
async getProjectUnits(): Promise<ProjectUnit[]> { try { const [rows] = await this.pool.query<TargetUnitRow[]>(PROJECT_UNITS_QUERY); if (!Array.isArray(rows)) { throw new TargetUnitRepositoryError('Query did not return an array'); } return rows.map(TargetUnitRepository.mapRowToProjectUnit); } catch (error) { - console.error('TargetUnitRepository.getProjectUnits error:', error); + console.error('TargetUnitRepository.getProjectUnits error:', { + message: error instanceof Error ? error.message : 'Unknown error', + error + }); throw new TargetUnitRepositoryError( - `TargetUnitRepository.getProjectUnits failed: ${(error as Error).message}`, + `TargetUnitRepository.getProjectUnits failed: ${error instanceof Error ? error.message : 'Unknown error'}`, error, ); } }
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workers/main/src/services/TargetUnit/ITargetUnitRepository.ts(1 hunks)workers/main/src/services/TargetUnit/TargetUnitRepository.test.ts(1 hunks)workers/main/src/services/TargetUnit/TargetUnitRepository.ts(1 hunks)workers/main/src/services/TargetUnit/TargetUnitService.test.ts(1 hunks)workers/main/src/services/TargetUnit/TargetUnitService.ts(1 hunks)workers/main/src/services/TargetUnit/queries.ts(1 hunks)workers/main/src/services/TargetUnit/types.ts(1 hunks)
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workers/main/src/services/TargetUnit/TargetUnitService.ts (2)
workers/main/src/services/TargetUnit/ITargetUnitRepository.ts (1)
ITargetUnitRepository(3-5)workers/main/src/common/types.ts (1)
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workers/main/src/services/TargetUnit/ITargetUnitRepository.ts (1)
workers/main/src/common/types.ts (1)
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workers/main/src/services/TargetUnit/TargetUnitService.test.ts (2)
workers/main/src/common/types.ts (1)
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workers/main/src/services/TargetUnit/TargetUnitRepository.test.ts (3)
workers/main/src/services/TargetUnit/types.ts (2)
IPoolProvider(14-16)TargetUnitRow(3-12)workers/main/src/services/TargetUnit/TargetUnitRepository.ts (2)
TargetUnitRepository(21-71)TargetUnitRepositoryError(8-19)workers/main/src/common/types.ts (1)
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workers/main/src/services/TargetUnit/ITargetUnitRepository.ts (1)
ITargetUnitRepository(3-5)workers/main/src/services/TargetUnit/types.ts (2)
IPoolProvider(14-16)TargetUnitRow(3-12)workers/main/src/common/types.ts (1)
ProjectUnit(1-12)workers/main/src/services/TargetUnit/queries.ts (1)
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🔇 Additional comments (8)
workers/main/src/services/TargetUnit/ITargetUnitRepository.ts (1)
1-5: LGTM! Clean interface design following repository pattern.The interface provides a well-defined abstraction for project unit data access with proper async typing.
workers/main/src/services/TargetUnit/TargetUnitService.ts (1)
4-10: LGTM! Proper service layer implementation with dependency injection.The service correctly delegates to the repository interface and follows clean architecture principles.
workers/main/src/services/TargetUnit/TargetUnitService.test.ts (2)
6-18: LGTM! Well-structured test helper function.The
createProjectUnithelper provides a clean way to create test data with sensible defaults and override capability.
37-46: LGTM! Comprehensive test coverage for service delegation.The test properly verifies both the return value and that the repository method is called exactly once, ensuring correct delegation behavior.
workers/main/src/services/TargetUnit/TargetUnitRepository.test.ts (1)
62-72: LGTM! Comprehensive error handling test coverage.The tests properly verify both non-array result handling and query error propagation with the custom error type.
workers/main/src/services/TargetUnit/TargetUnitRepository.ts (3)
1-6: LGTM! Imports are well-organized and appropriate.The imports correctly reference the necessary types, interfaces, and dependencies for the repository implementation.
8-19: Well-implemented custom error class.The
TargetUnitRepositoryErrorclass follows best practices by preserving the original error and properly setting up the error chain with stack trace capture.
21-26: Clean repository class structure and constructor.The dependency injection pattern using
IPoolProviderpromotes testability and follows SOLID principles.
This change renames the `ProjectUnit` interface to `TargetUnit` and updates all related references in the repository and service layers. The modifications ensure consistency in terminology and improve clarity in the codebase. All relevant tests have been adjusted accordingly to reflect this change.
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🧹 Nitpick comments (1)
workers/main/src/services/TargetUnit/ITargetUnitRepository.ts (1)
3-5: Well-designed repository interface following TypeScript conventions.The interface design is clean and follows established patterns for repository abstractions. Consider adding JSDoc documentation to help future implementers understand the contract.
+/** + * Repository interface for managing target unit data operations. + */ export interface ITargetUnitRepository { + /** + * Retrieves all project units from the data source. + * @returns Promise that resolves to an array of TargetUnit objects + */ getProjectUnits(): Promise<TargetUnit[]>; }Additionally, consider if the method might benefit from optional parameters for filtering or pagination in future iterations:
getProjectUnits(filters?: { projectId?: number; userId?: number }): Promise<TargetUnit[]>;
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workers/main/src/services/TargetUnit/ITargetUnitRepository.ts (1)
1-1: Clean import statement following TypeScript conventions.The import is well-structured and imports only the necessary
TargetUnittype from the common types module.
…tUnitRepository and related tests This change updates the method names in the `ITargetUnitRepository`, `TargetUnitRepository`, and `TargetUnitService` classes to reflect the new terminology. All corresponding test cases have been modified to ensure consistency and maintain functionality. This refactor enhances clarity in the codebase by aligning method names with the updated domain terminology.
Removed IPoolProvider abstraction and updated queries and related tests for consistency and clarity.
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Actionable comments posted: 1
🧹 Nitpick comments (4)
workers/main/src/services/TargetUnit/queries.ts (1)
20-20: Consider using a more descriptive alias for the groups table.Using alias
gfor theuserstable when filtering bytype='Group'can be confusing. Consider using a more descriptive alias likegroupsto improve query readability.- FROM users AS g + FROM users AS groupsAnd update all references accordingly:
- g.id AS group_id, - g.lastname AS group_name, + groups.id AS group_id, + groups.lastname AS group_name, - JOIN members AS m ON m.user_id = g.id + JOIN members AS m ON m.user_id = groups.id - g.type='Group' + groups.type='Group'workers/main/src/services/TargetUnit/TargetUnitRepository.ts (3)
16-39: Remove unnecessary explicit type coercion in mapping method.The explicit type coercion using
Number()andString()is unnecessary sinceTargetUnitRowinterface already defines these fields with the correct types. The database driver should return properly typed values.private static mapRowToTargetUnit( this: void, { group_id, group_name, project_id, project_name, user_id, username, spent_on, total_hours, }: TargetUnitRow, ): TargetUnit { return { - group_id: Number(group_id), - group_name: String(group_name), - project_id: Number(project_id), - project_name: String(project_name), - user_id: Number(user_id), - username: String(username), - spent_on: String(spent_on), - total_hours: Number(total_hours), + group_id, + group_name, + project_id, + project_name, + user_id, + username, + spent_on, + total_hours, }; }
51-51: Consider using a proper logging framework instead of console.error.Direct console logging in production code is not ideal for proper log management, monitoring, and debugging.
Consider injecting a logger dependency or using a logging framework:
- console.error('TargetUnitRepository.getTargetUnits error:', error); + this.logger?.error('TargetUnitRepository.getTargetUnits error:', error);Or use a logging library like Winston, Pino, or the application's existing logging infrastructure.
29-38: Consider handling optional fields from TargetUnit interface.The
TargetUnitinterface (fromworkers/main/src/common/types.ts) includes optionalrateandprojectRatefields that are not being mapped. While this is currently fine since they're optional, consider documenting whether these fields are intentionally omitted or if they should be populated from additional data sources.If these fields should remain undefined for now, consider adding a comment:
return { group_id, group_name, project_id, project_name, user_id, username, spent_on, total_hours, + // rate and projectRate are optional and not populated from this query };
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- workers/main/src/services/TargetUnit/TargetUnitRepository.test.ts
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🧬 Code Graph Analysis (1)
workers/main/src/services/TargetUnit/TargetUnitRepository.ts (5)
workers/main/src/services/TargetUnit/ITargetUnitRepository.ts (1)
ITargetUnitRepository(3-5)workers/main/src/services/TargetUnit/types.ts (1)
TargetUnitRow(3-12)workers/main/src/common/types.ts (1)
TargetUnit(1-12)workers/main/src/services/TargetUnit/queries.ts (1)
TARGET_UNITS_QUERY(1-31)workers/main/src/common/errors/TargetUnitRepositoryError.ts (1)
TargetUnitRepositoryError(1-12)
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🔇 Additional comments (3)
workers/main/src/common/errors/FileUtilsError.ts (1)
8-10: LGTM! Excellent improvement to error handling.The conditional
Error.captureStackTracecall is a best practice for custom error classes in Node.js environments. This ensures proper stack trace capture while maintaining compatibility across different JavaScript environments where this method might not be available.workers/main/src/services/TargetUnit/types.ts (1)
3-12: Well-structured interface definition.The
TargetUnitRowinterface correctly extendsRowDataPacketand properly types all database fields with appropriate TypeScript types that align with the SQL query structure.workers/main/src/services/TargetUnit/TargetUnitRepository.ts (1)
41-57: Well-implemented async method with proper error handling.The
getTargetUnitsmethod correctly implements the repository pattern with appropriate error handling, type checking, and custom error throwing. The array validation before mapping is a good defensive programming practice.
Revised the SQL query in `queries.ts` to improve readability by restructuring the WHERE clause and enhancing the GROUP BY and ORDER BY sections.
Eliminated the console error logging in the `getTargetUnits` method of the `TargetUnitRepository` class to streamline error handling. This change enhances the clarity of error messages thrown by the repository without cluttering the console output.
Refactored the `mapRowToTargetUnit` method in the `TargetUnitRepository` class to use an arrow function for improved readability and conciseness. This change enhances the clarity of the code while maintaining the same functionality.
Deleted the `TargetUnitService` class and its associated test file to streamline the codebase. This change eliminates unnecessary complexity and focuses on more relevant components, enhancing overall maintainability.
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RedmineService has been extracted to the #45 |
ProjectUnitinterface to define the structure of Project Unit data.IRedmineRepositoryinterface for fetching project units.RedmineRepositoryclass to handle database queries and map results toProjectUnit.RedmineServiceclass to provide a service layer for accessing project units.