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Panduan Reviewer oleh SourceryPR ini memperkenalkan beberapa peningkatan pada sistem manajemen buku, termasuk validasi input, penanganan kesalahan yang ditingkatkan, penghitung ID yang kuat, fungsi kueri baru, logika pencocokan yang dioptimalkan, dan keterbacaan kode yang lebih baik. Ini juga berfokus pada integritas data, stabilitas sistem, dan pengalaman pengguna yang lebih baik. Diagram urutan untuk proses penambahan buku yang ditingkatkansequenceDiagram
actor User
participant API
participant Validator
participant IDGenerator
participant Storage
User->>API: add_book(payload)
API->>Validator: validate_book_payload(payload)
alt Invalid Input
Validator-->>API: Error::InvalidInput
API-->>User: Error Response
else Valid Input
Validator-->>API: OK
API->>IDGenerator: generate_unique_id()
alt ID Generation Success
IDGenerator-->>API: new_id
API->>Storage: do_insert_book(book)
Storage-->>API: OK
API-->>User: Book Object
else ID Generation Failure
IDGenerator-->>API: Error::InternalError
API-->>User: Error Response
end
end
Diagram kelas untuk penanganan kesalahan dan struktur data yang diperbaruiclassDiagram
class Book {
+u64 id
+String title
+String author
+Genre genre
+bool is_available
+Option~String~ borrower
}
class BookPayload {
+String title
+String author
+Genre genre
}
class Error {
<<enumeration>>
NotFound
InvalidOperation
InvalidInput
InternalError
}
note for Error "Varian kesalahan baru ditambahkan:
- InvalidInput
- InternalError"
Book ..> BookPayload : created from
Book -- Error : uses
Diagram status untuk siklus hidup buku dengan validasi barustateDiagram-v2
[*] --> Validation
Validation --> Creation: Valid Input
Validation --> Error: Invalid Input
Creation --> Available: Book Created
Creation --> Error: ID Generation Failed
Available --> Borrowed: borrow_book
Borrowed --> Available: return_book
Available --> [*]: delete_book
Borrowed --> [*]: delete_book
Error --> [*]
Perubahan Tingkat File
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Original review guide in EnglishReviewer's Guide by SourceryThis PR introduces several improvements to the book management system, including input validation, enhanced error handling, a robust ID counter, new query functions, optimized match-finding logic, and improved code readability. It also focuses on data integrity, system stability, and a better user experience. Sequence diagram for improved book addition processsequenceDiagram
actor User
participant API
participant Validator
participant IDGenerator
participant Storage
User->>API: add_book(payload)
API->>Validator: validate_book_payload(payload)
alt Invalid Input
Validator-->>API: Error::InvalidInput
API-->>User: Error Response
else Valid Input
Validator-->>API: OK
API->>IDGenerator: generate_unique_id()
alt ID Generation Success
IDGenerator-->>API: new_id
API->>Storage: do_insert_book(book)
Storage-->>API: OK
API-->>User: Book Object
else ID Generation Failure
IDGenerator-->>API: Error::InternalError
API-->>User: Error Response
end
end
Class diagram for updated error handling and data structuresclassDiagram
class Book {
+u64 id
+String title
+String author
+Genre genre
+bool is_available
+Option~String~ borrower
}
class BookPayload {
+String title
+String author
+Genre genre
}
class Error {
<<enumeration>>
NotFound
InvalidOperation
InvalidInput
InternalError
}
note for Error "New error variants added:
- InvalidInput
- InternalError"
Book ..> BookPayload : created from
Book -- Error : uses
State diagram for book lifecycle with new validationsstateDiagram-v2
[*] --> Validation
Validation --> Creation: Valid Input
Validation --> Error: Invalid Input
Creation --> Available: Book Created
Creation --> Error: ID Generation Failed
Available --> Borrowed: borrow_book
Borrowed --> Available: return_book
Available --> [*]: delete_book
Borrowed --> [*]: delete_book
Error --> [*]
File-Level Changes
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Hai @coolestnick - Saya telah meninjau perubahan Anda - berikut adalah beberapa umpan balik:
Komentar Umum:
- Pertimbangkan untuk menambahkan komentar dokumentasi yang menjelaskan bahwa penggunaan RefCell aman di sini karena IC canisters bersifat single-threaded. Ini akan membantu pemelihara di masa depan memahami asumsi keamanan thread.
Inilah yang saya lihat selama tinjauan
- 🟡 Masalah umum: 2 masalah ditemukan
- 🟢 Keamanan: semua terlihat baik
- 🟢 Pengujian: semua terlihat baik
- 🟡 Kompleksitas: 1 masalah ditemukan
- 🟢 Dokumentasi: semua terlihat baik
Sourcery gratis untuk open source - jika Anda menyukai ulasan kami, silakan pertimbangkan untuk membagikannya ✨
Original comment in English
Hey @coolestnick - I've reviewed your changes - here's some feedback:
Overall Comments:
- Consider adding documentation comments explaining that RefCell usage is safe here because IC canisters are single-threaded. This will help future maintainers understand the thread-safety assumptions.
Here's what I looked at during the review
- 🟡 General issues: 2 issues found
- 🟢 Security: all looks good
- 🟢 Testing: all looks good
- 🟡 Complexity: 1 issue found
- 🟢 Documentation: all looks good
Help me be more useful! Please click 👍 or 👎 on each comment and I'll use the feedback to improve your reviews.
| msg: format!("Book with id={} not found", id), | ||
| }), | ||
| } | ||
| _get_book(&id).ok_or_else(|| Error::NotFound { |
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saran: Pola konstruksi pesan kesalahan diulang di beberapa fungsi
Pertimbangkan untuk membuat fungsi pembantu untuk membangun kesalahan NotFound untuk mengurangi duplikasi kode dan menjaga konsistensi.
Implementasi yang disarankan:
fn not_found_error(id: u64) -> Error {
Error::NotFound {
msg: format!("Book with id={} not found", id),
}
}
#[ic_cdk::query]
fn get_book(id: u64) -> Result<Book, Error> {
_get_book(&id).ok_or_else(|| not_found_error(id))
}
#[ic_cdk::query]Anda perlu:
- Menemukan semua tempat lain dalam basis kode di mana kesalahan NotFound serupa dibangun untuk buku dan memperbaruinya untuk menggunakan fungsi pembantu baru
- Pertimbangkan apakah fungsi tersebut harus dibuat publik (pub) tergantung pada di mana lagi fungsi tersebut perlu digunakan
- Pertimbangkan apakah nama fungsi harus lebih spesifik (misalnya,
book_not_found_error) jika ada jenis kesalahan NotFound lain dalam sistem
Original comment in English
suggestion: Error message construction pattern is repeated across multiple functions
Consider creating a helper function to construct NotFound errors to reduce code duplication and maintain consistency.
Suggested implementation:
fn not_found_error(id: u64) -> Error {
Error::NotFound {
msg: format!("Book with id={} not found", id),
}
}
#[ic_cdk::query]
fn get_book(id: u64) -> Result<Book, Error> {
_get_book(&id).ok_or_else(|| not_found_error(id))
}
#[ic_cdk::query]You'll need to:
- Find all other places in the codebase where similar NotFound errors are constructed for books and update them to use the new helper function
- Consider if the function should be made public (pub) depending on where else it needs to be used
- Consider if the function name should be more specific (e.g.,
book_not_found_error) if there are other types of NotFound errors in the system
| } | ||
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| fn validate_book_payload(payload: &BookPayload) -> Result<(), Error> { |
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masalah (bug_risk): Validasi memotong string tetapi nilai asli yang tidak dipotong disimpan
Pemeriksaan validasi memotong string tetapi struct Buku menggunakan nilai yang tidak dipotong. Pertimbangkan untuk menyimpan nilai yang dipotong atau memvalidasi string yang tidak dipotong untuk konsistensi.
Original comment in English
issue (bug_risk): Validation trims strings but original untrimmed values are stored
The validation checks trimmed strings but the Book struct uses untrimmed values. Consider either storing trimmed values or validating untrimmed strings for consistency.
| .iter() | ||
| .filter(|(_, book)| book.is_available) | ||
| .map(|(_, book)| book.clone()) | ||
| .collect() | ||
| }) | ||
| } | ||
|
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||
| #[ic_cdk::update] | ||
| fn add_book(payload: BookPayload) -> Result<Book, Error> { |
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masalah (kompleksitas): Pertimbangkan untuk menyederhanakan pembuatan ID dengan menghapus fungsi generate_unique_id yang terpisah dan penanganan kesalahan terkait.
Pembuatan ID dapat disederhanakan sambil mempertahankan peningkatan validasi. Implementasi saat ini menambah kompleksitas yang tidak perlu dengan penanganan kesalahan tambahan dan peminjaman. Pertimbangkan pendekatan yang lebih sederhana ini:
fn add_book(payload: BookPayload) -> Result<Book, Error> {
validate_book_payload(&payload)?;
let id = ID_COUNTER.with(|counter| {
let current_value = *counter.borrow().get();
counter.borrow_mut().set(current_value + 1)
}).expect("cannot increment id counter");
let book = Book {
id,
title: payload.title,
author: payload.author,
genre: payload.genre,
is_available: true,
borrower: None,
};
do_insert_book(&book);
Ok(book)
}Ini mempertahankan pemisahan logika validasi sambil menyederhanakan pembuatan ID kembali ke operasi dasarnya. expect() tepat di sini karena pembuatan ID adalah operasi sistem yang kritis - jika gagal, kita memiliki masalah yang lebih besar yang memerlukan perhatian segera.
Original comment in English
issue (complexity): Consider simplifying ID generation by removing the separate generate_unique_id function and its associated error handling.
The ID generation can be simplified while keeping the validation improvements. The current implementation adds unnecessary complexity with extra error handling and borrowing. Consider this simpler approach:
fn add_book(payload: BookPayload) -> Result<Book, Error> {
validate_book_payload(&payload)?;
let id = ID_COUNTER.with(|counter| {
let current_value = *counter.borrow().get();
counter.borrow_mut().set(current_value + 1)
}).expect("cannot increment id counter");
let book = Book {
id,
title: payload.title,
author: payload.author,
genre: payload.genre,
is_available: true,
borrower: None,
};
do_insert_book(&book);
Ok(book)
}This maintains the separation of validation logic while simplifying the ID generation back to its essential operation. The expect() is appropriate here since ID generation is a critical system operation - if it fails, we have bigger problems that need immediate attention.
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Detailed Explanation of Changes and Improvements
validate_book_payloadfunction to ensure that critical fields liketitleandauthorin theBookPayloadstructure are not empty.Errorenum:InvalidInput: Handles invalid inputs, such as empty fields.InternalError: Handles unexpected system failures, such as issues with the ID counter.generate_unique_idfunction to manage ID generation robustly.search_books_by_genre:list_all_books:get_available_booksandsearch_books_by_genreto filter only the required books during iteration, improving performance and readability.StableBTreeMapare thread-safe by continuing to use theRefCellwrapper.do_insert_book.validate_book_payload,generate_unique_id, and_get_book.These improvements make the code more robust, maintainable, and user-friendly while addressing edge cases and ensuring the system is resilient against invalid inputs and unexpected failures.
Ringkasan oleh Sourcery
Fitur Baru:
search_books_by_genreuntuk mencari buku berdasarkan genre mereka danlist_all_booksuntuk mengambil semua buku yang tersimpan.Original summary in English
Summary by Sourcery
New Features:
search_books_by_genreto search for books based on their genre andlist_all_booksto retrieve all stored books.