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Fix country query service #54
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- Change type of 'matchingSources' and 'matchingHeadlines' from List<dynamic> to List<Object> in country query service - This modification improves type safety and eliminates potential type-related issues
- Change return type of _buildAggregationPipeline from List<Map<String, dynamic>> to List<Map<String, Object>> - Update pipeline variable type accordingly - Modify sortStage map type from dynamic to Object for better type safety
- Change headquarters._id to headquarters.id in artist query - Change eventCountry._id to eventCountry.id in event query - Add $toString operator to ensure proper type comparison for countryId
- Replaced MongoDB text search with a case-insensitive regex search - This change affects the 'q' parameter handling in the CountryQueryService - The modification improves search functionality by making it case-insensitive
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Summary of Changes
Hello @fulleni, 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!
This pull request addresses and fixes issues within the CountryQueryService by refining its MongoDB aggregation pipeline. The changes focus on improving the accuracy of search queries, correcting how IDs are compared in related data lookups, and enhancing the overall type safety of the service's data structures.
Highlights
- Improved search functionality: The text search for the 'q' filter has been updated from a generic $text search to a case-insensitive $regex search specifically on the 'name' field, providing more precise results.
- Corrected ID comparison: The logic for comparing _id fields in $lookup stages (for headquarters and eventCountry) has been adjusted to use id and include a $toString conversion, ensuring proper matching of object IDs.
- Enhanced type safety: Several type annotations within the MongoDB aggregation pipeline construction have been updated from dynamic to Object, improving code robustness and clarity.
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Code Review
This pull request fixes the country query service by addressing issues in the MongoDB aggregation pipeline. The main changes include switching from a $text search to a $regex search for country names and correcting field names and type mismatches in $lookup stages for filtering by active sources and headlines. While these changes appear to fix the query logic, the new regex search could introduce performance issues. My review includes a suggestion to optimize the regex for better performance if a prefix search is acceptable. Other changes improve type safety by replacing dynamic with Object, which is a good practice.
Status
READY
Type of Change