Setting up a new Github Action Application for AI Support

[DarrellRichards]

Pull Request Body

Summary of Changes

This pull request includes several significant updates and improvements to streamline the development workflow and incorporate AI-enhanced code reviews. Below is a summary of the changes:

Node Setup and Dependency Management

• Node Version Update: Updated the Node setup to use actions/setup-node@v4 and specified node-version: 18.
• Dependency Installation and Build Steps: Added steps to install dependencies using npm install and to build the code using npm run build.
• Package Updates:
  • Updated package-lock.json to reflect dependency changes.
  • Replaced the @tandil/diffparse dependency with @octokit/types.
  • Added parse-diff as a new dependency (version 0.11.1).

GitHub Action Enhancements

• Action Tokens:
  • Updated the token key from github-token to github_token.
  • Updated the openai_api_key parameter name.
• New Inputs:
  • Introduced excluded_files parameter to exclude specific files from the process.
  • Added generate_summary input to generate Pull Request summaries based on git diffs and code changes (optional, defaults to false).
  • Added overall_code_review input for providing an overall code review as a comment (optional, defaults to false).
• Input Section Updates:
  • Updated the inputs section of action.yml to include excluded_files instead of pr_number.
  • Set a default value for excluded_files.

Code and Script Updates

• Code Import Modernization: Transitioned from using require statements to import statements for various modules (parse-diff, fs, @actions/core, etc.).
• Input Constants Definition: Defined constants for inputs like excluded_files, generate_summary, review_code, and overall_code_review using core.getInput.
• New Interfaces and Functions:
  • Added a new Details interface to structure the pull request's title and description.
  • Extracted logic for validating pull requests, code, and providing overall reviews into distinct asynchronous functions: validatePullRequest, validateCode, and validateOverallCodeReview.
  • Introduced the compareCommits function for obtaining and comparing commit data, ensuring operations only target files not in the excludedFiles list.
• Main Function Refinement:
  • Refined the main function to trigger validations based on GitHub Actions events (opened or synchronize).
  • Delegated tasks such as updating the pull request body and commenting with feedback based on diff data.
  • Integrated comprehensive logging for better debugging and flow tracking.

AI Integration

• New AI Service Functions: Implemented a set of functions in src/services/ai.ts to interact with the OpenAI API for generating AI-based responses and summaries.
  • createMessage: Generates a message for AI review requests.
  • prSummaryCreation: Creates a pull request summary.
  • obtainFeedback: Creates detailed feedback for pull requests.
  • summaryOfAllFeedback: Merges multiple feedbacks into one aggregate feedback.
  • summaryAllMessages: Merges multiple summaries into one comprehensive summary.
  • validateCodeViaAI: Validates code changes via AI and returns review comments.

GitHub Service Integration

• New GitHub Service Functions: Added a file src/services/github.ts to interface with GitHub's API using the @octokit/rest package, implementing functions such as:
  • PRDetails
  • commentOnPullRequest
  • updateBody
  • gitDiff
  • createReviewComment
  • compareCommits

Overall, these updates enhance the efficiency of the development and review process, leveraging modern tools and AI capabilities to provide detailed, automated code reviews and summaries.

[github-actions]

Summary of Changes

Logging Improvements

• Console Log Addition:
  • A console.log statement has been introduced to output the summary of all messages in the validatePullRequest function.
  • This addition is helpful for debugging, ensuring the function generates the expected summary of all messages.
  • Recommendation: Transitioning to a more sophisticated logging mechanism or a logger library would be beneficial for production environments to manage log levels and avoid performance issues.

Code Refactoring

• Conditional Structure Refactoring:
  • The conditional structure responsible for generating and incorporating detailed code review feedback into pull requests has been refactored.
  • The new implementation replicates the functionality outside the commented section, improving code clarity and logically separating feedback generation and application.
  • Suggestions:
    • Remove the commented-out code entirely to avoid confusion and maintain code cleanliness.
    • Add error handling for asynchronous calls such as validateOverallCodeReview, summaryOfAllFeedback, and commentOnPullRequest to enhance reliability and debuggability.
    • Document the steps and purposes within the new structure for future maintainability.

Code Cleanup

• Trailing Whitespace Removal:

  • An unnecessary trailing whitespace at line 94 in the obtainFeedback function in src/services/ai.ts has been removed.
  • This minor cleanup improves code quality and adheres to coding standards.
  • Recommendation: Consider using a linter or an automated code formatter as part of the build process to ensure a uniform code style across the codebase.

• Unnecessary Console Log Removal:

  • The statement console.log('feedbacks', feedbacks); has been removed to prevent console clutter in production code.
  • The instruction text has been updated from 'written as a Github Comment format' to 'as a Github Pull Request Body' for clarity on the context of the output.

Enhancements and Recommendations

• Function Improvement:
  • The summaryOfAllFeedback function can be made more robust and maintainable with type annotations for parameters and return values.
  • Adding error handling to manage potential issues during feedback merging is recommended.

Overall Assessment

• The changes made improve code readability, maintainability, and quality. They align the process with what is required for a Github Action application, ensuring clarity and ease of use.
• By further incorporating error handling, type safety, and documentation, the overall reliability and maintainability of the code can be significantly enhanced.
• This refactoring delivers the same functional outcome while presenting a cleaner and more logical flow of the feedback processing system.

[github-actions]

Consider removing or disabling this console.log statement once you have verified that the summary generation is working correctly, to keep the code clean and avoid unnecessary logging in production.

[github-actions]

The commented-out code block beginning at line 179 appears to be redundant as the functionality has been reintroduced immediately after the commented section. Consider removing the commented-out block for improved code readability and maintainability.

[github-actions]

There seems to be an unused empty line here. It would be more concise to remove it for cleaner code.

[github-actions]

Unnecessary logging statement console.log('feedbacks', feedbacks); has been removed, this change helps to clean the code by eliminating potentially verbose debugging output.