add missing page number for post api #1081
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Hello @alphatownsman, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
Summary of Changes
This pull request addresses a missing feature in the post API. Specifically, it adds the ability to specify a page number when retrieving posts for an item. It also validates the page number to ensure it falls within a reasonable range. I've added a new error code for invalid page numbers and updated the API endpoint to accept and process the page parameter.
Highlights
- Page Number Validation: The pull request introduces validation for the page number parameter in the
/item/{item_uuid}/posts/endpoint, returning an error if the page number is out of range (less than 1 or greater than 99). - Invalid Page Error Code: A new error code,
INVALID_PAGE, has been added tocommon/api.pyto represent an invalid page number request. - Page Parameter: The
list_posts_for_itemfunction injournal/apis/post.pynow accepts an optionalpageparameter, defaulting to 1, to allow pagination of results.
Changelog
- common/api.py
- Added
INVALID_PAGEerror code (400) with the message "Invalid page number".
- Added
- journal/apis/post.py
- Imported
INVALID_PAGEfromcommon.api. - Modified the
/item/{item_uuid}/posts/endpoint to accept an optionalpageparameter. - Added validation to ensure the
pageparameter is within the valid range (1-99). - Updated
JournalQueryParserto accept thepageparameter.
- Imported
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A page request,
Validated, not out of bounds,
Posts now paginate.
Footnotes
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Code Review
The pull request introduces a new error code INVALID_PAGE and implements page number validation for the /item/{item_uuid}/posts/ API endpoint. This enhances the API's robustness by handling invalid page number requests. The changes are well-structured and address the intended functionality.
Merge Readiness
The code changes are well-structured and address the intended functionality. I am unable to directly approve the pull request, and recommend that others review and approve this code before merging. There are no critical or high severity issues, so the pull request is ready to be merged.
| @@ -99,3 +99,4 @@ def paginate_queryset( | |||
| NOT_FOUND = 404, {"message": "Not found"} | |||
| OK = 200, {"message": "OK"} | |||
| NO_DATA = {"data": [], "count": 0, "pages": 0} | |||
| INVALID_PAGE = 400, {"message": "Invalid page number"} | |||
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Adding a new status code is a good way to handle invalid page numbers. Consider adding a brief comment explaining when this status code is returned for better readability.
| INVALID_PAGE = 400, {"message": "Invalid page number"} | |
| INVALID_PAGE = 400, {"message": "Invalid page number"} # Returned when the page number is out of range (1-99) |
| if page < 1 or page > 99: | ||
| return INVALID_PAGE |
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The page number validation logic is a good addition. Consider extracting this validation into a separate function for better code organization and reusability, especially if similar validation is needed elsewhere.
| if page < 1 or page > 99: | |
| return INVALID_PAGE | |
| if not (1 <= page <= 99): | |
| return INVALID_PAGE |
| if page < 1 or page > 99: | ||
| return INVALID_PAGE |
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The page number validation range (1-99) is hardcoded. Consider making the upper bound configurable via settings to allow for flexibility in the future.
| if page < 1 or page > 99: | |
| return INVALID_PAGE | |
| if not (1 <= page <= 99): # TODO: Replace 99 with a setting | |
| return INVALID_PAGE |
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