fix: #5/issue pagination in cafe module #6
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WalkthroughThe changes refactor the pagination logic in the Changes
Sequence Diagram(s)sequenceDiagram
participant C as Client
participant S as CafeService
participant R as CafeRepository
participant DB as Database
C->>S: Request swipe cafe list with query (page, take, etc.)
S->>R: getSwipeCafeList(user uuid, query)
R->>DB: Query cafes using query.page and query.take
DB-->>R: Return query results
R-->>S: Return formatted response with hasNextPage
S-->>C: Return results with nextPage calculated as query.page + 1
Assessment against linked issues
Possibly related PRs
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Actionable comments posted: 0
🧹 Nitpick comments (3)
src/cafe/cafe.service.ts (1)
126-136: Consider adding error handling for database operation.While the code structure is good, it's missing error handling for the database operation.
const { data, hasNextPage } = await this.cafeRepository.getSwipeCafeList( user.uuid, query, - ); + ).catch((error) => { + throw new BadRequestException('Failed to fetch cafe list: ' + error.message); + });src/cafe/cafe.repository.ts (2)
112-114: Consider removing redundant variable declarations.The local variables
pageandtakeare unnecessary since they're used only once.- const page = query.page; - const take = query.take; - - const skip = (page - 1) * take; + const skip = (query.page - 1) * query.take;
141-145: Consider adding a comment explaining the hasNextPage logic.The hasNextPage implementation is correct but could benefit from a clearer explanation.
let hasNextPage = false; if (rawResult.length > take) { hasNextPage = true; - rawResult.pop(); // 마지막 1개는 실제 응답으로 내려주지 않음 + rawResult.pop(); // Remove the extra item used to determine if there's a next page }
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📒 Files selected for processing (3)
src/cafe/cafe.repository.ts(1 hunks)src/cafe/cafe.service.ts(1 hunks)src/cafe/dto/req/getSwipeCafeList.dto.ts(1 hunks)
🔇 Additional comments (5)
src/cafe/dto/req/getSwipeCafeList.dto.ts (1)
15-15: LGTM! Well-structured pagination defaults.The default values for pagination parameters are well-chosen and properly documented. The validation and transformation decorators ensure type safety.
Also applies to: 25-25
src/cafe/cafe.service.ts (2)
110-115: LGTM! Proper GPS validation.The GPS coordinate validation is well-placed and provides clear error messages.
117-124: LGTM! Comprehensive pagination validation.The validation checks for page and take parameters are thorough and provide clear error messages.
src/cafe/cafe.repository.ts (2)
44-46: Consider prioritizing the performance TODOs.The TODOs highlight important performance considerations:
- SPATIAL INDEX implementation
- Potential MongoDB migration
- Performance testing
These should be tracked and prioritized.
Would you like me to create issues to track these performance improvements?
119-139: LGTM! Well-structured SQL query with proper pagination.The SQL query effectively combines:
- Distance-based filtering
- User preference filtering
- Pagination with LIMIT/OFFSET
- Proper ordering for consistent pagination
Cafe Module에서 평가 대상 카페 리스트를 불러오는 함수에 Pagination이 정상적으로 적용되지 않는 이슈 해결.
close #5
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