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@undefined-moe undefined-moe commented Oct 28, 2024

Summary by CodeRabbit

  • New Features

    • Enhanced problem content support with structured, multi-language entries, allowing problems to include multiple localized statements, each with its own language and name.
  • Refactor

    • Updated problem import and export to handle multiple localized files, exporting each language variant as a separate markdown file with metadata.
    • Adjusted interfaces and event signatures to use the new structured content format for improved localization support.

const problemContent = path.join(problemPath, 'problem.md');
await fs.writeFile(problemContent, pdoc.content);
for (const i of pdoc.content) {
await fs.writeFile(path.join(problemPath, `problem_${i.name}_${i.lang}.md`), [

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Insecure temporary file High

Insecure creation of file in
the os temp dir
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coderabbitai bot commented Jul 21, 2025

Walkthrough

The changes introduce a new structured type for problem content, enabling support for multiple localized content entries. The Content type is redefined to allow either a string or an array of objects, each containing content, name, and lang properties, via a new LocalizedContent type. The ProblemDoc interface and related function signatures are updated to use this new type. Problem content handling throughout the model and import/export logic is refactored to accommodate arrays of localized content instead of single strings. Event signatures and service interfaces are also updated to reference the new content structure.

Estimated code review effort

4 (60–120 minutes)

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packages/hydrooj/src/model/document.ts

Oops! Something went wrong! :(

ESLint: 9.31.0

Error [ERR_MODULE_NOT_FOUND]: Cannot find package '@hydrooj/eslint-config' imported from /eslint.config.mjs
at Object.getPackageJSONURL (node:internal/modules/package_json_reader:255:9)
at packageResolve (node:internal/modules/esm/resolve:767:81)
at moduleResolve (node:internal/modules/esm/resolve:853:18)
at defaultResolve (node:internal/modules/esm/resolve:983:11)
at ModuleLoader.defaultResolve (node:internal/modules/esm/loader:801:12)
at #cachedDefaultResolve (node:internal/modules/esm/loader:725:25)
at ModuleLoader.resolve (node:internal/modules/esm/loader:708:38)
at ModuleLoader.getModuleJobForImport (node:internal/modules/esm/loader:309:38)
at #link (node:internal/modules/esm/module_job:202:49)

packages/hydrooj/src/service/bus.ts

Oops! Something went wrong! :(

ESLint: 9.31.0

Error [ERR_MODULE_NOT_FOUND]: Cannot find package '@hydrooj/eslint-config' imported from /eslint.config.mjs
at Object.getPackageJSONURL (node:internal/modules/package_json_reader:255:9)
at packageResolve (node:internal/modules/esm/resolve:767:81)
at moduleResolve (node:internal/modules/esm/resolve:853:18)
at defaultResolve (node:internal/modules/esm/resolve:983:11)
at ModuleLoader.defaultResolve (node:internal/modules/esm/loader:801:12)
at #cachedDefaultResolve (node:internal/modules/esm/loader:725:25)
at ModuleLoader.resolve (node:internal/modules/esm/loader:708:38)
at ModuleLoader.getModuleJobForImport (node:internal/modules/esm/loader:309:38)
at #link (node:internal/modules/esm/module_job:202:49)

packages/hydrooj/src/interface.ts

Oops! Something went wrong! :(

ESLint: 9.31.0

Error [ERR_MODULE_NOT_FOUND]: Cannot find package '@hydrooj/eslint-config' imported from /eslint.config.mjs
at Object.getPackageJSONURL (node:internal/modules/package_json_reader:255:9)
at packageResolve (node:internal/modules/esm/resolve:767:81)
at moduleResolve (node:internal/modules/esm/resolve:853:18)
at defaultResolve (node:internal/modules/esm/resolve:983:11)
at ModuleLoader.defaultResolve (node:internal/modules/esm/loader:801:12)
at #cachedDefaultResolve (node:internal/modules/esm/loader:725:25)
at ModuleLoader.resolve (node:internal/modules/esm/loader:708:38)
at ModuleLoader.getModuleJobForImport (node:internal/modules/esm/loader:309:38)
at #link (node:internal/modules/esm/module_job:202:49)

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Actionable comments posted: 1

🧹 Nitpick comments (1)
packages/hydrooj/src/model/problem.ts (1)

564-574: Consider consistent content handling between edit and add operations.

When editing a problem, the content is always wrapped in a localized array (lines 564-566), but when adding a new problem, the raw content is passed (line 572). While this works due to the add method's normalization, consider making the handling consistent.

                     : await ProblemModel.add(
-                        domainId, pid, title.trim(), overrideContent || pdoc.content?.toString() || 'No content',
+                        domainId, pid, title.trim(), overrideContent || [{
+                            name: 'default', content: pdoc.content?.toString() || 'No content', lang: 'en',
+                        }],
                         operator || pdoc.owner, tag, { hidden: options.hidden || pdoc.hidden, difficulty: pdoc.difficulty },
                     );
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 1232e8f and 5d667f4.

📒 Files selected for processing (4)
  • packages/hydrooj/src/interface.ts (2 hunks)
  • packages/hydrooj/src/model/document.ts (1 hunks)
  • packages/hydrooj/src/model/problem.ts (7 hunks)
  • packages/hydrooj/src/service/bus.ts (1 hunks)
🧰 Additional context used
🧬 Code Graph Analysis (2)
packages/hydrooj/src/service/bus.ts (4)
packages/ui-default/pages/problem_edit.page.js (1)
  • content (245-245)
packages/hydrooj/src/interface.ts (1)
  • ProblemDoc (190-190)
packages/hydrooj/src/model/problem.ts (1)
  • ProblemDoc (35-35)
framework/framework/interface.ts (1)
  • VoidReturn (21-21)
packages/hydrooj/src/model/problem.ts (1)
packages/hydrooj/src/interface.ts (2)
  • LocalizedContent (152-152)
  • ProblemDoc (190-190)
⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (3)
  • GitHub Check: build
  • GitHub Check: Analyze (javascript)
  • GitHub Check: build
🔇 Additional comments (8)
packages/hydrooj/src/interface.ts (1)

152-153: LGTM! Well-structured type definitions for localized content.

The new LocalizedContent type and updated Content union type provide a clean way to support multiple localized content entries while maintaining backward compatibility with string content.

packages/hydrooj/src/model/document.ts (1)

52-62: LGTM! Improved type safety for document content.

Using DocType[T]['content'] instead of the generic Content type ensures that each document type uses its specific content structure, improving type safety throughout the codebase.

packages/hydrooj/src/service/bus.ts (1)

69-69: LGTM! Event signature properly updated for new content structure.

The event signature correctly uses ProblemDoc['content'] to match the new localized content structure.

packages/hydrooj/src/model/problem.ts (5)

45-62: LGTM! Well-implemented localized content discovery.

The function properly handles multiple language variants and file types (MD/PDF). The regex pattern correctly matches files with language suffixes.

Note: There's a TODO comment about parsing markdown headers to extract metadata, which could be tracked as a future enhancement.


111-111: LGTM! Correct default values for localized content.

The empty array [] is the appropriate default value for the new LocalizedContent type.

Also applies to: 132-132


145-160: LGTM! Excellent backward compatibility handling.

The method properly accepts both string and array formats, normalizing strings to the new localized content structure with sensible defaults (lang: 'en', name: 'default').


664-674: LGTM! Well-structured export of localized content.

The export logic properly handles multiple content variants, creating separate files with clear naming (problem_${name}_${lang}.md) and including metadata in YAML front matter.


1-728: PR title doesn't match the implementation.

The PR title mentions "store problem content in separate collection", but the changes don't create or use a separate MongoDB collection. Instead, they restructure the content field within the existing problem documents to support localized content arrays.

Likely an incorrect or invalid review comment.

pid: string;
title: string;
content: string;
content: LocalizedContent;
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🛠️ Refactor suggestion

Consider using the Content type instead of LocalizedContent for backward compatibility.

The ProblemDoc interface uses LocalizedContent directly, but the Content type definition on line 153 suggests that content can be either a string or LocalizedContent. This might break backward compatibility if existing code expects string content.

-        content: LocalizedContent;
+        content: Content;
📝 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.

Suggested change
content: LocalizedContent;
content: Content;
🤖 Prompt for AI Agents
In packages/hydrooj/src/interface.ts at line 170, replace the type of the
`content` property in the `ProblemDoc` interface from `LocalizedContent` to the
`Content` type. This change ensures backward compatibility by allowing `content`
to be either a string or `LocalizedContent`, matching the existing `Content`
type definition on line 153.

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3 participants