Add webdriver hook to support file uploads

[visagang]

PR Type

Enhancement, Bug fix

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Description

• Introduced IWebDriverHook interface for file upload hooks.

• Enhanced PlaywrightWebDriver to support dynamic file uploads.

• Added FunctionArgs property to MessageInfo for extended metadata.

• Updated JSON schema to include metadata field for user-provided data.

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Changes walkthrough 📝

	Relevant files
Enhancement	IWebDriverHook.cs Introduced `IWebDriverHook` interface for file upload handling src/Infrastructure/BotSharp.Abstraction/Browsing/IWebDriverHook.cs Added a new interface IWebDriverHook. Defined method GetUploadFiles for file upload hooks. +8/-0      MessageInfo.cs Added `FunctionArgs` property to `MessageInfo`                      src/Infrastructure/BotSharp.Abstraction/Browsing/Models/MessageInfo.cs Added FunctionArgs property to MessageInfo. Extended metadata support for messages. +1/-0      PlaywrightWebDriver.DoAction.cs Enhanced file upload handling in `PlaywrightWebDriver`      src/Plugins/BotSharp.Plugin.WebDriver/Drivers/PlaywrightDriver/PlaywrightWebDriver.DoAction.cs Integrated IWebDriverHook for dynamic file uploads. Enhanced file handling logic with fallback mechanisms. Improved logging for missing file uploads. +14/-2    UtilWebActionOnElementFn.cs Enhanced `UtilWebActionOnElementFn` with metadata support src/Plugins/BotSharp.Plugin.WebDriver/UtilFunctions/UtilWebActionOnElementFn.cs Added FunctionArgs to MessageInfo instantiation. Improved service provider handling for browser actions. +3/-0      util-web-action_on_element.json Updated JSON schema to include `metadata` field                    src/Plugins/BotSharp.Plugin.WebDriver/data/agents/6745151e-6d46-4a02-8de4-1c4f21c7da95/functions/util-web-action_on_element.json Added metadata field to JSON schema. Extended schema for user-provided metadata. +4/-0
Bug fix	PlaywrightWebDriver.cs Fixed service provider assignment in WebDriver                      src/Plugins/BotSharp.Plugin.WebDriver/Drivers/PlaywrightDriver/PlaywrightWebDriver.cs Fixed service provider assignment in SetServiceProvider. +1/-1

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[GGHansome]

Auto Review Result:

Code Review Summary

Change Overview: The purpose of the code changes is to enhance file upload handling in the web driver functionality and to introduce new interfaces and properties to improve task execution management. The changes should allow for better extensibility and plugin support.

Issues Identified

Issue 1: Null Checking

• Description: In the file upload functionality, the action.FileUrl is checked for null, but it's safer to use a null-conditional operator directly when adding to files.
• Suggestion: Ensure null safety when adding items by using the null-conditional operator in AddRange.
• Example:

  // Before
  if (action.FileUrl != null && action.FileUrl.Length > 0)
  {
      files.AddRange(action.FileUrl);
  }
  
  // After
  files.AddRange(action.FileUrl ?? Enumerable.Empty<string>());

Issue 2: Consistency in Service Injection

• Description: The service provider injection method for _instance.SetServiceProvider was updated, but the change was not completely documented across the documentation code comments.
• Suggestion: Update the documentation to reflect the changes in method interfaces wherever relevant.

Issue 3: Potential Redundancy

• Description: In the file upload logic, services are retrieved multiple times where a single retrieval could suffice.
• Suggestion: Cache retrieved services when possible to streamline and optimize service usage.

Overall Evaluation

The code is generally well-structured and aligns with object-oriented design principles, enhancing the extensibility of the system with the use of interfaces and dependency injection. However, minor adjustments for null safety and optimization of service retrieval will improve the robustness and efficiency of the code.

[qodo-code-review]

PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 2 🔵🔵⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ Recommended focus areas for review Service Provider Bug The fix in SetServiceProvider method passes the parameter 'services' instead of '_services', but it's unclear if '_services' is initialized elsewhere. Verify that this change doesn't break existing functionality. _instance.SetServiceProvider(services); } Null Reference The code accesses action.FileUrl.Length without null check before adding to files list. While there's a null check, it should be verified that action.FileUrl is never null to prevent potential NullReferenceException. if (action.FileUrl != null && action.FileUrl.Length > 0) { files.AddRange(action.FileUrl);

[qodo-code-review]

PR Code Suggestions ✨

No code suggestions found for the PR.

[GGHansome]

Auto Review Result:

Code Review Summary

Change Overview: This code update introduces an interface IWebDriverHook for file upload processing, adds a new property FunctionArgs to the MessageInfo class, and modifies several places in the PlaywrightDriver implementation to enhance file upload functionality by leveraging potential hooks for additional files.

Identified Issues

Issue 1: Potential Null Reference [Code Quality]

• Description: In the changes to PlaywrightWebDriver.DoAction, there is an assumption that action.FileUrl is never null. However, the check only handles empty scenarios. If action.FileUrl is null, it could cause a null reference exception.
• Suggestion: Add a null check for action.FileUrl before trying to access its Length property.
• Example:

  // Before
  if (action.FileUrl.Length == 0)
  // After
  if (action.FileUrl == null || action.FileUrl.Length == 0)

Issue 2: Service Provider Usage [Design]

• Description: The change from _instance.SetServiceProvider(_services); to _instance.SetServiceProvider(services); implies a correction but requires ensuring _instance can effectively utilize the new service scope.
• Suggestion: Review and ensure _instance correctly adapts and initiates with any differing service scopes or behaviors.
• Example:

  // Confirm usage pattern of _instance

Issue 3: Comment Clean-up [Maintainability]

• Description: There is leftover commented code related to IConversationService that has been removed. Ensure such cleanup is consistent across the codebase.
• Suggestion: Conduct a quick pass over other sections to avoid lingering, unused code.

General Evaluation

The code changes improve the extensibility and flexibility of file-upload related tasks in the PlaywrightDriver by allowing plugins or additional hooks to contribute file paths. This approach is favorable for maintaining separation of concerns and enhancing modularity in the codebase. The primary focus should remain on ensuring null safety, especially when dealing with collections like URLs and files, to prevent runtime exceptions.

[GGHansome]

Auto Review Result:

Code Review Summary

Change Overview:
The main purpose of these code changes is to enhance the functionality of the BotSharp application by introducing a new interface, IWebDriverHook, to manage file uploads and by improving the existing logic in several classes involving file handling and exception management. These changes aim to increase modularity, better exception handling, and improve the robustness of the web scraping functionalities.

Issues Found

Issue 1: Exception Handling Enhancement

• Description: The code now includes a try-catch block in the Execute method of UtilWebActionOnElementFn to handle any unexpected exceptions during execution. However, the catch block logs the error, it also sets message.Data to a failure message without providing debugging details directly in the message.
• Suggestion: Consider providing more detailed error information within the message.Data or logging more contextual data that might help during debugging.
• Example:

  // Before
  catch (Exception ex)
  {
      message.Data = $"{actionArgs.Action} execution failed.";
  }
  // After
  catch (Exception ex)
  {
      message.Data = $"{actionArgs.Action} execution failed due to an error: {ex.Message}";
  }
  

Issue 2: Redundant Code with FunctionArgs Initialization

• Description: Inside the Execute method, the FunctionArgs are set to the message but seem to add no immediate value towards action execution since they're already serialized as actionArgs and locatorArgs.
• Suggestion: Double-check if setting FunctionArgs adds value somewhere down the line. If not, consider removing it to simplify the code.

Issue 3: Potential Null Reference

• Description: The code attempts to iterate over action.FileUrl and hooks without null checks, assuming services are returned.
• Suggestion: Implement null checks to prevent potential runtime exceptions.

Overall Assessment

The code changes introduced are generally beneficial, primarily focusing on enhancing the application's flexibility and error-handling strategies. However, there is room for improvement regarding code simplicity, documentation, and added resilience against null reference issues. Prioritizing these changes could lead to more maintainable code in the long run.