add task solution #1205

BohdanDymydiuk · 2024-12-04T16:54:58Z

No description provided.

mateacademy-ai-mentor

Thank you for your hard work on this project! While your code is generally well-structured and meets many of the task requirements, there are a few critical issues that need to be addressed before we can approve the pull request. Specifically, the deleteHandler function should ensure that the comment is successfully deleted from the server before updating the local state, which is crucial for maintaining data integrity. Additionally, there are several instances where unnecessary dependencies in useEffect could lead to unwanted re-renders, impacting performance. Please address these issues to ensure the code functions as expected. Keep up the great work, and I'm confident you'll nail it with these adjustments! 🚀

✨ Please rate this review in the Platform's notification center. I will be grateful for your feedback! ✨

🔄 Fix the issues, commit the changes, and then re-request my review using the Re-request review button in the Reviewers tab.

mateacademy-ai-mentor · 2024-12-04T16:56:40Z

src/App.tsx

-              >
-                Something went wrong!
-              </div>
+  const sectionOnCLickHandler = () => {


Typo in function name: sectionOnCLickHandler should be sectionOnClickHandler to maintain consistency and readability.

mateacademy-ai-mentor · 2024-12-04T16:56:40Z

src/App.tsx

+        .catch(() => setLoadingPostsError(true))
+        .finally(() => setArePostsLoading(false));
+    }
+  }, [currUser, loadingPostsError]);


Including loadingPostsError in the dependency array of this useEffect is unnecessary and could lead to unwanted re-renders. Consider removing it unless there is a specific reason for its inclusion.

mateacademy-ai-mentor · 2024-12-04T16:56:40Z

src/components/NewCommentForm.tsx

+    const IS_VALID =
+      nameValue.length > 0 && emailValue.length > 0 && commentValue.length > 0;


The IS_VALID constant currently only checks for non-empty values. Consider expanding this validation to include checks for valid email format and possibly other criteria to ensure data integrity.

mateacademy-ai-mentor · 2024-12-04T16:56:40Z

src/components/PostDetails.tsx

+        })
+        .catch(() => setCommentsError(true))
+        .finally(() => setAreCommLoading(false));
+    }, [commentsError, id]);


Including commentsError in the dependency array of this useEffect is unnecessary and could lead to unwanted re-renders. Consider removing it unless there is a specific reason for its inclusion.

mateacademy-ai-mentor · 2024-12-04T16:56:41Z

src/components/PostDetails.tsx

+
+      setComments(updatedComments);
+
+      deleteComment(_id);


The deleteHandler function should ideally wait for the deleteComment promise to resolve before updating the local state. Consider using .then() to handle the successful deletion and update the state accordingly.

mateacademy-ai-mentor

Great job on implementing the main application logic effectively! 🎉 While there are some areas for improvement, the decision to approve this pull request is made to help you move forward with your learning journey. Here are some key points to consider for future enhancements:

PropTypes: It's important to include propTypes for components to ensure type-checking and that components receive the correct props. This will help prevent potential bugs and improve code maintainability.
Unused Comments: Removing unused comments will enhance the readability of your code. It's a good practice to keep your code clean and easy to understand.
Key Generation: Be cautious with generating keys on render, especially in PostsList.tsx. Using dynamic keys like key={post-${id}} might lead to issues if the list changes. Consider using stable identifiers.
Error Handling: Improve error handling in various parts of your application:
- For the getUsers API call, add error handling to provide user feedback in case of network issues.
- Enhance the error handling in the useEffect for fetching comments to improve user experience.
- Ensure the deleteHandler function updates the local state only after server confirmation to maintain data integrity.
- Keep the comment form visible after an error during submission to allow users to correct their input.
Form Validation: Enhance form validation logic by checking for valid email formats to provide better user feedback.
useEffect Dependencies: Review the dependencies in your useEffect hooks to avoid unnecessary re-renders. Ensure that only necessary dependencies are included to optimize performance.

Addressing these points will not only improve the functionality and performance of your application but also enhance your coding skills. Keep up the great work, and continue to learn and grow from these experiences! 🚀

✨ Please rate this review in the Platform's notification center. I will be grateful for your feedback! ✨

mateacademy-ai-mentor · 2024-12-04T17:04:41Z

src/App.tsx

+    } else if (userPosts.length > 0 && isNoPosts) {
+      setIsNoPosts(false);
+    }
+  }, [currUser, isNoPosts, userPosts]);


The useEffect dependency array includes currUser, isNoPosts, and userPosts. Including currUser and isNoPosts might cause unnecessary re-renders. Consider revising the dependencies to only include userPosts if the effect is solely dependent on the posts.

mateacademy-ai-mentor · 2024-12-04T17:04:41Z

src/App.tsx

+    if (prevUser?.id !== currUser?.id) {
+      setOpenedPost(null);
+    }
+  }, [prevUser, currUser]);


The useEffect dependency array includes both prevUser and currUser. Since the effect only checks if prevUser?.id !== currUser?.id, it might be more efficient to only include currUser as a dependency, unless prevUser is updated elsewhere in the code.

mateacademy-ai-mentor · 2024-12-04T17:04:41Z

src/App.tsx

+      setDoesFormExist(false);
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [openedPost]);


The useEffect dependency array includes openedPost. If the effect is intended to run only when openedPost changes, ensure that the logic inside the effect is necessary for this dependency. Otherwise, it might lead to unnecessary re-renders.

mateacademy-ai-mentor · 2024-12-04T17:04:41Z

src/components/NewCommentForm.tsx

+        setCommentsError(true);
+        setDoesFormExist(false);


When an error occurs during the comment submission, setDoesFormExist(false) is called, which might hide the form. Consider keeping the form visible to allow users to correct their input and try again.

mateacademy-ai-mentor · 2024-12-04T17:04:41Z

src/components/NewCommentForm.tsx

+      setIsCommentValid(false);
+    }
+
+    if (!IS_VALID) {


The form validation logic only checks for non-empty fields. Consider enhancing this by checking for valid email formats using a regular expression or a library function to improve user feedback.

mateacademy-ai-mentor · 2024-12-04T17:04:42Z

src/components/PostDetails.tsx

+    const deleteHandler = (_id: number) => {
+      const updatedComments = comments.filter(comment => comment.id !== _id);
+
+      setComments(updatedComments);
+
+      deleteComment(_id);


The deleteHandler function updates the local state before confirming the deletion from the server. To ensure data integrity, consider updating the state only after the server confirms the deletion.

mateacademy-ai-mentor · 2024-12-04T17:04:42Z

src/components/PostDetails.tsx

+            setCommentsError(false);
+          }
+        })
+        .catch(() => setCommentsError(true))


The error handling in the useEffect for fetching comments could be improved. Consider providing more user feedback or retry mechanisms to enhance the user experience when an error occurs.

mateacademy-ai-mentor · 2024-12-04T17:04:42Z

src/components/UserSelector.tsx

+  // #endregion
+
+  useEffect(() => {
+    getUsers().then(_users => setUsers(_users));


Consider adding error handling for the getUsers API call to manage potential errors and provide feedback to the user if the request fails.

add task solution

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mateacademy-ai-mentor suggested changes Dec 4, 2024

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add some fixes

eaf90c2

BohdanDymydiuk requested a review from mateacademy-ai-mentor December 4, 2024 17:03

mateacademy-ai-mentor approved these changes Dec 4, 2024

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add task solution #1205

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		const IS_VALID =
		nameValue.length > 0 && emailValue.length > 0 && commentValue.length > 0;

add task solution #1205

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