Rest API - Pagination Patterns
You have an API returning 45 items with per_page set to 10. How many pages should the total_pages metadata show?
You have an API returning 45 items with per_page set to 10. How many pages should the total_pages metadata show?
hard📝 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Calculate total pages from total items and per_page
Total pages = total items divided by items per page, rounded up. Here, 45 / 10 = 4.5, rounded up to 5.Step 2: Confirm the correct total_pages value
Since 4 pages would only cover 40 items, 5 pages are needed to cover all 45 items.Final Answer:
5 -> Option AQuick Check:
Ceil(45/10) = 5 pages [OK]
Quick Trick: Divide total items by per_page, round up [OK]
Common Mistakes:
- Using floor division instead of ceiling
- Ignoring leftover items on last page
- Assuming total_pages equals per_page
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