Feature/#165 rest api new

[sesturm]

@CodiumAI-Agent /review

Just a Test :D

[CodiumAI-Agent]

PR Reviewer Guide 🔍

⏱️ Estimated effort to review [1-5]	4
🧪 Relevant tests	Yes
🔒 Security concerns	Sensitive Information Exposure: The application properties related to username and password are handled directly in the code, which might lead to exposure if not properly managed. Consider encrypting these properties or using a more secure way to manage sensitive configuration.
⚡ Key issues to review	Possible Security Risk: The handling of username and password in SettingsController.java and ProjectController.java involves directly getting and setting properties which might expose sensitive information if not properly secured.
	Code Duplication: There is noticeable duplication in handling properties files across different parts of the application, which could be refactored into a utility class to handle properties operations.
	Exception Handling: There is inconsistent error handling and logging throughout the new code. For example, in SettingsController.java, exceptions are caught but only printed to the stack trace, which is not suitable for production environments.
	Hardcoded Values: There are hardcoded values for properties keys and API status ("ON", "OFF") in SettingsController.java. These should be replaced with constants to avoid errors related to typos and to make maintenance easier.

[Death111]

@CodiumAI-Agent /improve

[CodiumAI-Agent]

PR Code Suggestions ✨

Category	Suggestion	Score
Maintainability	Remove unused import to clean up the code ___ **Remove the unnecessary import of org.springframework.stereotype.Component since it is not used in the KeepTime.java file. Unnecessary imports can lead to confusion and clutter in the codebase.** [src/main/java/de/doubleslash/keeptime/KeepTime.java [21]](https://github.com/doubleSlashde/KeepTime/pull/173/files#diff-4930a1cd1ea8f4b3258f304d14e1011cd2c50b20c138d53ebc146ef6abc53824R21-R21) ```diff -import org.springframework.stereotype.Component; +// import removed ``` Suggestion importance[1-10]: 10 Why: The suggestion correctly identifies an unused import, which should be removed to improve code maintainability and reduce clutter.	10
	Convert tests to parameterized tests to reduce code duplication ___ **Consider using parameterized tests for the testExtractValue and testExtractValuePassword methods to avoid code duplication and enhance maintainability. This approach allows you to define multiple test cases with different inputs and expected results using a single test method.** [src/test/java/de/doubleslash/keeptime/view/LoginControllerTest.java [12-29]](https://github.com/doubleSlashde/KeepTime/pull/173/files#diff-4b53267d533a8a81ec8cc8b5fca04727fee9d0a908f2d220ef8a60cc41075a23R12-R29) ```diff -public void testExtractValue() { - String inputUser = "${BASIC_AUTH_USER:user}"; - String inputPassword = "${BASIC_AUTH_PASSWORD:123}"; - String expectedUser = "user"; - String expectedPassword = "123"; - String resultUser = LoginController.extractValue(inputUser); - String resultPassword = LoginController.extractValue(inputPassword); - assertEquals(expectedUser, resultUser); - assertEquals(expectedPassword,resultPassword); -} -public void testExtractValuePassword() { - String inputPassword = "${BASIC_AUTH_PASSWORD:123}"; - String expectedPassword = "123"; - String resultPassword = LoginController.extractValue(inputPassword); - assertEquals(expectedPassword,resultPassword); +@ParameterizedTest +@CsvSource({ + "${BASIC_AUTH_USER:user}, user", + "${BASIC_AUTH_PASSWORD:123}, 123" +}) +public void testExtractValue(String input, String expected) { + String result = LoginController.extractValue(input); + assertEquals(expected, result); } ``` Suggestion importance[1-10]: 8 Why: The suggestion to use parameterized tests is valid and improves maintainability by reducing code duplication. It consolidates similar test cases into a single method, making the code cleaner and easier to manage.	8
	Refactor property management to improve code cohesion and maintainability ___ **The method handleApiOn constructs a new LoginController and calls createAndSaveUser which manipulates properties directly. This could be refactored to improve cohesion and reduce duplication by handling property updates in a single method or class responsible for configuration management.** [src/main/java/de/doubleslash/keeptime/view/SettingsController.java [632-634]](https://github.com/doubleSlashde/KeepTime/pull/173/files#diff-4f11e2ce97cf38f106d05094a5970cc1a48bc5671037b0416f15272601eb9366R632-R634) ```diff -LoginController loginController = new LoginController(username, password); -loginController.createAndSaveUser(); +// Refactor to use a dedicated configuration manager class +ConfigurationManager configManager = new ConfigurationManager(propertiesFilePath); +configManager.updateUserCredentials(username, password); ``` Suggestion importance[1-10]: 7 Why: The suggestion promotes better code organization and maintainability by centralizing property management, though it is more of a structural improvement than a critical fix.	7
	Extract repeated conversion logic into a separate method to improve maintainability ___ **Refactor the method to reduce duplication and improve maintainability by extracting the repeated logic of converting Work to WorkDTO into a separate method.** [src/main/java/de/doubleslash/keeptime/REST_API/controller/WorksController.java [106]](https://github.com/doubleSlashde/KeepTime/pull/173/files#diff-0ecd1f7a8d57c4cc698747ab7fe7342ef34447a4a02bd823d2c84f4bf84356e4R106-R106) ```diff -return ResponseEntity.ok(WorkMapper.INSTANCE.workToWorkDTO(workProjects)); +return ResponseEntity.ok(convertWorkToWorkDTO(workProjects)); +private ResponseEntity convertWorkToWorkDTO(Work work) { + return WorkMapper.INSTANCE.workToWorkDTO(work); +} + ``` Suggestion importance[1-10]: 6 Why: This suggestion improves maintainability by reducing code duplication, but the improvement is relatively minor as the existing code is already clear and concise.	6
Security	Improve the security of sensitive data handling in property settings ___ **The method createAndSaveUser directly manipulates properties with potential sensitive data without any form of encryption or secure storage. This could lead to security vulnerabilities where sensitive data might be exposed or mishandled. Consider using a more secure way of handling these properties, such as encrypting the values before setting them, or using a secure vault solution.** [src/main/java/de/doubleslash/keeptime/view/LoginController.java [17-18]](https://github.com/doubleSlashde/KeepTime/pull/173/files#diff-4cc93ec697db919c383c33663021a6bc98d8a446dd402eb42fbf3863fe77678aR17-R18) ```diff -properties.setProperty("spring.security.user.name", "${BASIC_AUTH_USER:" + this.username + "}"); -properties.setProperty("spring.security.user.password", "${BASIC_AUTH_PASSWORD:" + this.password + "}"); +// Example using encryption (simplified) +properties.setProperty("spring.security.user.name", encrypt("${BASIC_AUTH_USER:" + this.username + "}")); +properties.setProperty("spring.security.user.password", encrypt("${BASIC_AUTH_PASSWORD:" + this.password + "}")); ``` Suggestion importance[1-10]: 9 Why: The suggestion addresses a significant security concern by recommending encryption for sensitive data, which is crucial for protecting user credentials.	9
Possible issue	Add exception handling to the user creation and saving process ___ **Ensure that the createAndSaveUser method handles potential exceptions, such as when properties cannot be set or saved. This could be done by adding a try-catch block around the critical section or by modifying the method to throw an appropriate exception.** [src/test/java/de/doubleslash/keeptime/view/LoginControllerTest.java [38-41]](https://github.com/doubleSlashde/KeepTime/pull/173/files#diff-4b53267d533a8a81ec8cc8b5fca04727fee9d0a908f2d220ef8a60cc41075a23R38-R41) ```diff -loginController.createAndSaveUser(); -Properties properties = loginController.properties; -assertEquals("${BASIC_AUTH_USER:User}", properties.getProperty("spring.security.user.name")); -assertEquals("${BASIC_AUTH_PASSWORD:123A}", properties.getProperty("spring.security.user.password")); +try { + loginController.createAndSaveUser(); + Properties properties = loginController.properties; + assertEquals("${BASIC_AUTH_USER:User}", properties.getProperty("spring.security.user.name")); + assertEquals("${BASIC_AUTH_PASSWORD:123A}", properties.getProperty("spring.security.user.password")); +} catch (Exception e) { + fail("Failed to create or save user: " + e.getMessage()); +} ``` Suggestion importance[1-10]: 9 Why: Adding exception handling to the `createAndSaveUser` method is crucial for robustness. It ensures that potential issues during the user creation process are caught and handled appropriately, improving the reliability of the tests.	9
	Enhance exception handling in properties file loading ___ **The method initialize uses a try-with-resources statement to load properties but does not handle potential exceptions that might occur during the properties loading or setting. It's recommended to add more robust exception handling to manage possible IOExceptions or other related exceptions effectively.** [src/main/java/de/doubleslash/keeptime/view/SettingsController.java [246-271]](https://github.com/doubleSlashde/KeepTime/pull/173/files#diff-4f11e2ce97cf38f106d05094a5970cc1a48bc5671037b0416f15272601eb9366R246-R271) ```diff try (FileInputStream input = new FileInputStream(propertiesFilePath)) { properties.load(input); String apistatus = properties.getProperty("api"); ... +} catch (FileNotFoundException e) { + LOG.error("The properties file was not found.", e); } catch (IOException e) { - LOG.warn("There is currently no application.properties available"); + LOG.error("An I/O error occurred while loading the properties file.", e); } ``` Suggestion importance[1-10]: 8 Why: The suggestion improves robustness by adding more specific exception handling, which can help in diagnosing issues more effectively.	8
Enhancement	Add a constructor to initialize all properties of ColorDTO at once ___ **Consider using a constructor in ColorDTO to initialize the color properties. This can make the object creation process cleaner and ensure that all properties are set at once, reducing the risk of partially initialized objects.** [src/main/java/de/doubleslash/keeptime/REST_API/DTO/ColorDTO.java [19-23]](https://github.com/doubleSlashde/KeepTime/pull/173/files#diff-3d6854b0c4204e3daaa3a07624aa1dae958e9b9763de0d53816a497cd095d7e7R19-R23) ```diff public class ColorDTO { private double red; private double green; private double blue; private double opacity; + + public ColorDTO(double red, double green, double blue, double opacity) { + this.red = red; + this.green = green; + this.blue = blue; + this.opacity = opacity; + } } ``` Suggestion importance[1-10]: 8 Why: Adding a constructor to initialize all properties at once is a good practice for ensuring objects are fully initialized, improving code readability and reducing potential errors.	8
	Replace generic exception with a more specific one for clarity ___ **Consider using a more specific exception than ResponseStatusException for handling not found entities. This can improve the clarity of the error handling and make the API responses more consistent.** [src/main/java/de/doubleslash/keeptime/REST_API/controller/WorksController.java [97]](https://github.com/doubleSlashde/KeepTime/pull/173/files#diff-0ecd1f7a8d57c4cc698747ab7fe7342ef34447a4a02bd823d2c84f4bf84356e4R97-R97) ```diff -throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Work with the ID " + id + " not found"); +throw new WorkNotFoundException("Work with the ID " + id + " not found"); ``` Suggestion importance[1-10]: 8 Why: Using a more specific exception improves the clarity of error handling and makes the API responses more consistent. This suggestion addresses a significant improvement in code quality.	8
Possible bug	Correct the method of obtaining file streams to prevent potential file handling errors ___ **The propertyWrite method uses a getClassLoader().getResourceAsStream which might not be suitable for writing to a file, as it's typically used for reading resources. This could lead to unexpected behavior or errors. It's recommended to use a different method for obtaining a file output stream that is appropriate for writing.** [src/main/java/de/doubleslash/keeptime/view/SettingsController.java [652-657]](https://github.com/doubleSlashde/KeepTime/pull/173/files#diff-4f11e2ce97cf38f106d05094a5970cc1a48bc5671037b0416f15272601eb9366R652-R657) ```diff -try (InputStream inputStream = getClass().getClassLoader().getResourceAsStream(propertiesFilePath); - FileOutputStream outputStream = new FileOutputStream(propertiesFilePath)) { - properties.load(inputStream); +try (FileOutputStream outputStream = new FileOutputStream(propertiesFilePath)) { + properties.load(new FileInputStream(propertiesFilePath)); ... } ``` Suggestion importance[1-10]: 8 Why: The suggestion addresses a potential bug by recommending a more appropriate method for file handling, which can prevent runtime errors and ensure proper file operations.	8
Best practice	Simplify optional handling by using orElseThrow ___ **Use orElseThrow instead of checking presence with isPresent to make the code more concise and readable.** [src/main/java/de/doubleslash/keeptime/REST_API/controller/WorksController.java [72-84]](https://github.com/doubleSlashde/KeepTime/pull/173/files#diff-0ecd1f7a8d57c4cc698747ab7fe7342ef34447a4a02bd823d2c84f4bf84356e4R72-R84) ```diff -if (optionalWork.isPresent()) { - Work workToBeEdited = optionalWork.get(); - ... -} else { - return ResponseEntity.notFound().build(); -} +Work workToBeEdited = optionalWork.orElseThrow(() -> new ResponseStatusException(HttpStatus.NOT_FOUND, "Work not found")); +... ``` Suggestion importance[1-10]: 7 Why: Using `orElseThrow` makes the code more concise and readable, which is a good practice. This suggestion enhances code readability and follows modern Java practices.	7
	Use Optional to handle null checks more gracefully ___ **Instead of manually checking for null, use Optional.ofNullable to handle potential null values more gracefully.** [src/main/java/de/doubleslash/keeptime/REST_API/controller/WorksController.java [61-63]](https://github.com/doubleSlashde/KeepTime/pull/173/files#diff-0ecd1f7a8d57c4cc698747ab7fe7342ef34447a4a02bd823d2c84f4bf84356e4R61-R63) ```diff -if (projectName != null) { - workStream = workStream.filter(work -> work.getProject().getName().equals(projectName)); -} +workStream = Optional.ofNullable(projectName) + .map(name -> workStream.filter(work -> work.getProject().getName().equals(name))) + .orElse(workStream); ``` Suggestion importance[1-10]: 7 Why: Using `Optional` for null checks is a best practice in modern Java, making the code more elegant and reducing the risk of null pointer exceptions. This suggestion improves code readability and robustness.	7