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fix(codemagic_app_preview): fix posting comment on GitLab #111

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merged 4 commits into from
Dec 20, 2024

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actranito
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The Gitlab comment was getting cut off on the first & symbol in the query param of the qrCodeUrl.

Screenshot 2024-12-20 at 14 58 17

This was happening since the Gitlab API takes in the body of the comment as a query param as well, so the api was parsing the & as another query param on the endpoint call.
The proposed fix encodes the comment body first before calling the API.

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Reviewing files that changed from the base of the PR and between 252f5c9 and 65c692c.

📒 Files selected for processing (1)
  • packages/codemagic_app_preview/integration_test/gitlab_api_repository_test.dart (3 hunks)

Walkthrough

The pull request modifies the postComment and editComment methods in the GitLabApiRepository class. A new line is added to encode the comment string using Uri.encodeComponent(comment) before it is used in the URL for HTTP POST and PUT requests. This change updates the URL construction to utilize the newly encoded variable, encodedComment, while maintaining the existing error handling logic and overall structure of the class.

Changes

File Change Summary
packages/codemagic_app_preview/lib/src/git/gitlab_api_repository.dart Added URI encoding for comment using Uri.encodeComponent() in the postComment and editComment methods

Sequence Diagram

sequenceDiagram
    participant Client
    participant GitLabApiRepository
    participant GitLab API

    Client->>GitLabApiRepository: postComment(comment)
    GitLabApiRepository->>GitLabApiRepository: Encode comment
    GitLabApiRepository->>GitLab API: POST request with encoded comment
    GitLab API-->>GitLabApiRepository: Response
    GitLabApiRepository-->>Client: Comment posting result

    Client->>GitLabApiRepository: editComment(comment)
    GitLabApiRepository->>GitLabApiRepository: Encode comment
    GitLabApiRepository->>GitLab API: PUT request with encoded comment
    GitLab API-->>GitLabApiRepository: Response
    GitLabApiRepository-->>Client: Comment editing result
Loading

The sequence diagram illustrates the enhanced comment posting and editing processes, highlighting the additional step of URI encoding before sending the requests to the GitLab API.


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@github-actions github-actions bot added the p:codemagic_app_preview Package "codemagic_app_preview" label Dec 20, 2024
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Actionable comments posted: 1

🔭 Outside diff range comments (1)
packages/codemagic_app_preview/lib/src/git/gitlab_api_repository.dart (1)

Line range hint 60-75: Apply the same encoding fix to editComment method.

The editComment method is susceptible to the same truncation issue when comments contain special characters. For consistency and to prevent similar issues, the comment parameter should also be encoded.

Apply this fix:

  Future<void> editComment(int commentId, String comment) async {
+   final encodedComment = Uri.encodeComponent(comment);
    final response = await httpClient.put(
      Uri.parse(
-       '$_baseUrl/api/v4/projects/$projectId/merge_requests/$mergeRequestId/notes/$commentId?body=$comment',
+       '$_baseUrl/api/v4/projects/$projectId/merge_requests/$mergeRequestId/notes/$commentId?body=$encodedComment',
      ),
📜 Review details

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📥 Commits

Reviewing files that changed from the base of the PR and between 758fd43 and 15eb27c.

📒 Files selected for processing (1)
  • packages/codemagic_app_preview/lib/src/git/gitlab_api_repository.dart (1 hunks)
🔇 Additional comments (1)
packages/codemagic_app_preview/lib/src/git/gitlab_api_repository.dart (1)

41-41: LGTM! Good fix for the comment truncation issue.

The addition of Uri.encodeComponent() is the correct solution for handling special characters in query parameters. This will properly encode not just & but all special characters that could cause issues in URLs.

Also applies to: 44-44

@nilsreichardt nilsreichardt changed the title Fix for Gitlab comment posting fix(codemagic_app_preview): fix posting comment on GitLab Dec 20, 2024
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nilsreichardt commented Dec 20, 2024

⬇️ Builds generated by Codemagic for commit 65c692c ⬇️

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(expires Sun, 19 Jan 2025 19:53:26 GMT)
Codemagic build: 6765ca5a4ede54c8c335ca70; comment generated with Codemagic App Preview

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Thanks! ❤️ LGTM

I added the fix also to the editComment method and improved the e2e tests to catch this 👍

(CI fails because this PR is created by an external contributor)

@nilsreichardt nilsreichardt merged commit 362fda4 into nilsreichardt:main Dec 20, 2024
18 of 19 checks passed
@nilsreichardt
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@actranito I published a new version (0.2.3). Could you try again if it works? Unfortunately, I don't have a GitLab testing repository yet.

@actranito
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@nilsreichardt thanks, I will try it out. Will come back to you with some feedback

@actranito
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@nilsreichardt working fine now! Thanks for this awesome package ❤️

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Great! Thanks for testing 👍

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