feat: add markdown support via markdown-editor-add-on #25
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Actionable comments posted: 8
🧹 Outside diff range and nitpick comments (5)
src/main/resources/META-INF/frontend/styles/chat-message-styles.css (3)
92-101: Consider removing!importantfrom the background propertyThe
.wmde-markdownclass looks good overall and seems appropriate for markdown content containers. However, the use of!importantfor the background property (line 100) might lead to unintended style overrides and make future maintenance more difficult.Consider removing the
!importantflag and using more specific selectors if needed. For example:.chat-message .wmde-markdown { background: none; }This approach maintains the cascade and specificity of CSS, making the styles more maintainable in the long run.
103-105: Reconsider the use of!importantand zero padding for Mermaid diagramsThe
.language-mermaidclass is setting padding to 0px with an!importantflag. This approach raises two concerns:
- The use of
!importantcan lead to specificity issues and make the styles harder to maintain.- Setting padding to 0px might affect the readability of Mermaid diagrams, as they usually benefit from some spacing around them.
Consider the following suggestions:
- Remove the
!importantflag and use more specific selectors if needed.- Evaluate if zero padding is necessary for Mermaid diagrams. If some padding is beneficial, you might want to set a small, non-zero value.
Example:
.wmde-markdown .language-mermaid { padding: 8px; }This approach provides some breathing room for the diagrams and avoids the use of
!important.
92-105: New styles align with PR objectives, but consider long-term maintainabilityThe addition of
.wmde-markdownand.language-mermaidclasses aligns well with the PR objective of implementing markdown support in the chat application. These styles should enable proper rendering of markdown content and Mermaid diagrams without interfering with existing styles.However, the use of
!importantin both new classes could potentially cause maintainability issues in the future. As the codebase grows, these might lead to unexpected style overrides or make it difficult to modify styles later on.Consider the following architectural advice for better long-term maintainability:
- Avoid using
!importantwhere possible. Instead, use more specific selectors or restructure your CSS to achieve the desired specificity.- Document the purpose of these new classes and their relationship to the markdown feature. This will help future developers understand the rationale behind these styles.
- Consider creating a separate CSS file for markdown-specific styles if this feature grows significantly. This can help in organizing and maintaining styles for different features.
src/test/java/com/flowingcode/vaadin/addons/chatassistant/ChatAssistantMarkdownDemo.java (2)
47-72: LGTM: Constructor implementation is well-structured, with a minor suggestion.The constructor effectively sets up the demo UI with markdown support enabled. The event listeners for the
TextAreaand "Chat" button are implemented correctly. The initial welcome message demonstrates markdown usage.Consider adding error handling for the case when the message input is empty. You could disable the "Chat" button when the
TextAreais empty or show an error message if the user tries to send an empty message.
48-50: LGTM: Markdown support is correctly implemented, with a suggestion for improvement.The markdown support is properly enabled in the
ChatAssistantconstructor, and theTextArealabel informs users about markdown capability. The welcome message effectively demonstrates basic markdown usage.Consider adding a tooltip or help icon next to the
TextAreathat, when clicked, shows a small markdown cheat sheet. This would provide users with quick reference for markdown syntax without cluttering the UI. For example:Span helpIcon = new Span(new Icon(VaadinIcon.QUESTION_CIRCLE)); helpIcon.getElement().setAttribute("title", "Markdown Cheat Sheet:\n" + "**bold**\n" + "*italic*\n" + "[link](http://example.com)\n" + "- list item"); message.setLabel("Enter a message from the assistant (try using Markdown)"); message.setPrefixComponent(helpIcon);Also applies to: 67-69
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📒 Files selected for processing (6)
- pom.xml (2 hunks)
- src/main/java/com/flowingcode/vaadin/addons/chatassistant/ChatAssistant.java (1 hunks)
- src/main/java/com/flowingcode/vaadin/addons/chatassistant/ChatMessage.java (3 hunks)
- src/main/resources/META-INF/frontend/styles/chat-message-styles.css (1 hunks)
- src/test/java/com/flowingcode/vaadin/addons/chatassistant/ChatAssistantDemoView.java (1 hunks)
- src/test/java/com/flowingcode/vaadin/addons/chatassistant/ChatAssistantMarkdownDemo.java (1 hunks)
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🔇 Additional comments (10)
src/test/java/com/flowingcode/vaadin/addons/chatassistant/ChatAssistantDemoView.java (1)
37-37: LGTM! The change aligns with the PR objectives.The addition of
ChatAssistantMarkdownDemo.classto the demo view is consistent with the existing structure and directly supports the PR's objective of implementing markdown support in the chat application. This new demo component will allow for showcasing and testing the markdown functionality, which is a key feature being added in this pull request.src/test/java/com/flowingcode/vaadin/addons/chatassistant/ChatAssistantMarkdownDemo.java (3)
40-44: LGTM: Class annotations are appropriate.The annotations used for the
ChatAssistantMarkdownDemoclass are well-suited for a Vaadin demo component. The@Routeannotation correctly specifies the demo path, and the@CssImportensures proper styling.
45-47: LGTM: Class structure is appropriate for a demo component.The
ChatAssistantMarkdownDemoclass extendsVerticalLayout, which is suitable for creating a vertical structure of UI components. The single constructor approach is appropriate for initializing the demo UI.
1-73: Overall, excellent implementation of the markdown demo component.The
ChatAssistantMarkdownDemoclass effectively demonstrates the markdown support feature in the chat assistant. The code is well-structured, follows Vaadin best practices, and achieves the objectives outlined in the PR description and linked issue.Key strengths:
- Proper use of Vaadin annotations and components.
- Clear demonstration of markdown capability.
- Intuitive UI setup with appropriate event listeners.
Minor suggestions for improvement:
- Add error handling for empty messages.
- Provide more user guidance on markdown syntax.
These enhancements would further improve the user experience and robustness of the demo.
pom.xml (3)
21-21: LGTM: New property for markdown editor version.The addition of the
<markdown-editor.version>property is a good practice for version management in Maven. It allows for easy updates and maintains consistency across the project.
21-21: Summary: Changes align with PR objectives.The modifications to
pom.xmlare minimal, focused, and align well with the PR objective of adding markdown support. The addition of the markdown editor version property and the corresponding dependency follow Maven best practices. These changes provide the necessary groundwork for implementing markdown functionality in the chat application.Also applies to: 131-135
131-135: LGTM: New dependency for markdown editor addon.The addition of the
markdown-editor-addondependency is correctly structured and uses the newly defined version property. This aligns with the PR objective of adding markdown support.Please verify the compatibility of this addon with the current Vaadin version (${vaadin.version}). Run the following script to check the Vaadin version and search for any known compatibility issues:
✅ Verification successful
Verified: Dependency compatibility confirmed.
The
markdown-editor-addonis compatible with Vaadin version 24.4.11, and no known compatibility issues were found.🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Check Vaadin version and search for compatibility issues echo "Current Vaadin version:" grep -Po '(?<=<vaadin.version>).*(?=</vaadin.version>)' pom.xml echo "\nSearching for known compatibility issues with markdown-editor-addon:" gh issue list -R FlowingCode/ChatAssistant --search "markdown-editor-addon compatibility"Length of output: 373
src/main/java/com/flowingcode/vaadin/addons/chatassistant/ChatMessage.java (3)
23-24: Imports are appropriate and necessary.The added imports for
MarkdownViewerandDataColorModeare required for the Markdown rendering functionality.
47-47: Declaration ofmarkdownEnabledfield is correct.Introducing the
markdownEnabledfield properly supports conditional Markdown rendering.
90-96: EnsureMarkdownViewersanitizes input to prevent XSS vulnerabilities.Rendering user-generated content with
MarkdownViewermay introduce security risks if the content is not properly sanitized. Verify thatMarkdownViewersafely handles and sanitizes any potentially malicious input frommessage.getContent()to prevent Cross-Site Scripting (XSS) attacks.
src/main/java/com/flowingcode/vaadin/addons/chatassistant/ChatMessage.java
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| public class ChatMessage extends Component implements HasComponents { | |||
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| private Message message; | |||
| private boolean markdownEnabled; | |||
| private Div loader; | |||
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| /** | |||
| * Creates a new ChatMessage based on the supplied message. | |||
| * | |||
| * @param message message used to populate the ChatMessage instance | |||
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Document the new markdown enabled parameter.
| private Div loader; | ||
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| /** | ||
| * Creates a new ChatMessage based on the supplied message. | ||
| * | ||
| * @param message message used to populate the ChatMessage instance | ||
| */ | ||
| public ChatMessage(Message message) { | ||
| public ChatMessage(Message message, boolean markdownEnabled) { |
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Avoid breaking changes by overloading constructors
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Actionable comments posted: 0
🧹 Outside diff range and nitpick comments (6)
src/main/resources/META-INF/frontend/styles/chat-message-styles.css (3)
92-101: Consider removing!importantfrom the background propertyThe
.wmde-markdownclass looks good overall and seems well-suited for containing markdown content. However, the use of!importanton the background property (line 100) might be overly aggressive.background: none !important;While it ensures the background is always set to none, it can lead to specificity issues and make the styles harder to maintain or override in the future if needed.
Consider removing the
!importantflag and instead use more specific selectors if you need to override other styles. This approach is generally more maintainable and follows CSS best practices.
103-105: Reconsider the use of!importantfor paddingThe
.language-mermaidclass is setting padding to 0 with an!importantflag:.language-mermaid { padding: 0px !important; }While this ensures no padding is applied, the use of
!importantcan lead to maintainability issues and make it difficult to override styles if needed in the future.Consider removing the
!importantflag and instead use more specific selectors if you need to override other styles. If you're having trouble overriding a specific style, it might be helpful to review the CSS cascade and specificity to find a more maintainable solution.
Line range hint
22-22: Clarify or remove the unused color change commentThere's a comment indicating a color change for the
.lds-ellipsisclass:/* change color here */However, no actual changes have been made to the color property. This comment might lead to confusion for other developers working on this file.
If there's an intended color change, please implement it. If not, consider removing the comment to keep the code clean and avoid potential confusion. If it's a reminder for future work, it might be better to track this in your issue tracking system rather than in the code itself.
src/main/java/com/flowingcode/vaadin/addons/chatassistant/ChatMessage.java (1)
55-66: LGTM with a minor documentation update needed.The constructor overloading is well implemented, addressing the previous comment about avoiding breaking changes. The new constructor correctly initializes the
markdownEnabledfield.However, the documentation for the new constructor is incomplete.
Please update the documentation for the new constructor to include a description of the
markdownEnabledparameter:/** * Creates a new ChatMessage based on the supplied message. * * @param message message used to populate the ChatMessage instance * @param markdownEnabled whether markdown rendering is enabled for this message */ public ChatMessage(Message message, boolean markdownEnabled) { // ... }src/main/java/com/flowingcode/vaadin/addons/chatassistant/ChatAssistant.java (2)
93-95: LGTM: Main constructor updated for markdown supportThe main constructor now includes the
markdownEnabledparameter, allowing for flexible initialization of the ChatAssistant. The Javadoc has been appropriately updated to reflect this change.Consider enhancing the Javadoc for the
markdownEnabledparameter to provide more context:- * @param markdownEnabled flag to enable or disable markdown support + * @param markdownEnabled flag to enable or disable markdown support for message rendering
Line range hint
1-368: Summary: Markdown support successfully implementedThe changes in this file successfully implement markdown support for the ChatAssistant component. Key points:
- New constructors and modified existing ones to include the
markdownEnabledparameter.- Consistent propagation of the
markdownEnabledsetting to individualChatMessageinstances.- Maintained backward compatibility with default markdown support disabled.
- Clear and accurate Javadoc updates.
The implementation aligns well with the PR objectives and follows good coding practices. The changes are focused and don't introduce unnecessary modifications to unrelated parts of the class.
Consider adding a setter method for the
markdownEnabledproperty to allow dynamic toggling of markdown support after initialization. This would provide more flexibility for users of the ChatAssistant component.
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📒 Files selected for processing (6)
- pom.xml (2 hunks)
- src/main/java/com/flowingcode/vaadin/addons/chatassistant/ChatAssistant.java (1 hunks)
- src/main/java/com/flowingcode/vaadin/addons/chatassistant/ChatMessage.java (3 hunks)
- src/main/resources/META-INF/frontend/styles/chat-message-styles.css (1 hunks)
- src/test/java/com/flowingcode/vaadin/addons/chatassistant/ChatAssistantDemoView.java (1 hunks)
- src/test/java/com/flowingcode/vaadin/addons/chatassistant/ChatAssistantMarkdownDemo.java (1 hunks)
🚧 Files skipped from review as they are similar to previous changes (3)
- pom.xml
- src/test/java/com/flowingcode/vaadin/addons/chatassistant/ChatAssistantDemoView.java
- src/test/java/com/flowingcode/vaadin/addons/chatassistant/ChatAssistantMarkdownDemo.java
🧰 Additional context used
🔇 Additional comments (7)
src/main/java/com/flowingcode/vaadin/addons/chatassistant/ChatMessage.java (4)
23-24: LGTM: New imports for markdown support.The new imports for
DataColorModeandMarkdownViewerare correctly added to support the markdown functionality.
47-47: LGTM: New field for markdown support.The
markdownEnabledfield is correctly added as a private boolean to control markdown rendering.
100-106: LGTM: Markdown rendering implemented correctly.The conditional rendering for markdown content is well implemented. The
MarkdownVieweris used appropriately whenmarkdownEnabledis true.Note: The typo in
DataColorMode.LIGTHhas been previously identified and an issue has been created (https://github.com/FlowingCode/ChatAssistant/issues/26).
Line range hint
1-138: Summary: Markdown support successfully implemented.The changes in this file successfully implement markdown support for the
ChatMessageclass, aligning well with the PR objectives. The implementation includes:
- New imports for markdown-related classes.
- A new
markdownEnabledfield to control markdown rendering.- An overloaded constructor to support markdown enabling/disabling.
- Updated
updateLoadingStatemethod to conditionally render markdown content.These changes provide the desired functionality of optional markdown support in chat messages, as outlined in the PR objectives and issue #23.
src/main/java/com/flowingcode/vaadin/addons/chatassistant/ChatAssistant.java (3)
77-77: LGTM: Default constructor maintains backward compatibilityThe default constructor now initializes
markdownEnabledtofalse, which maintains backward compatibility while introducing the new markdown feature. This is a good approach for introducing new functionality without breaking existing code.
80-87: LGTM: New constructor adds flexibility for markdown supportThe new constructor with the
markdownEnabledparameter provides a clean way to create a ChatAssistant with no initial messages while specifying whether markdown support should be enabled. The Javadoc is clear and accurately describes the purpose of the parameter.
101-101: LGTM: Markdown support propagated to ChatMessageThe
markdownEnabledparameter is now correctly passed to theChatMessageconstructor in the content renderer, ensuring that individual messages respect the markdown support setting.To ensure that the
ChatMessageclass correctly handles themarkdownEnabledparameter, let's verify its implementation:✅ Verification successful
Verified: Markdown support correctly implemented
All instances of
ChatMessageinstantiation include themarkdownEnabledparameter as intended, ensuring proper markdown support.🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify ChatMessage constructor and usage of markdownEnabled # Test: Check ChatMessage constructor rg --type java -A 5 'class ChatMessage' # Test: Check usage of markdownEnabled in ChatMessage rg --type java 'markdownEnabled' src/main/java/com/flowingcode/vaadin/addons/chatassistant/ChatMessage.javaLength of output: 1005
Script:
#!/bin/bash # Description: Verify all instances of ChatMessage instantiation include markdownEnabled parameter # Find all instantiations of ChatMessage and display the lines with their contexts rg --type java 'new ChatMessage\s*\('Length of output: 204
Closes #23
Summary by CodeRabbit
New Features
Bug Fixes
Style
Documentation