44 lines
1.2 KiB
Go
44 lines
1.2 KiB
Go
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package cmd
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// paginateGitea walks pages of a gitea SDK list method until the response
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// is short (last page) or we hit limit. limit=0 means unlimited.
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//
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// Forgejo/Gitea caps PageSize at 50, so naive `PageSize: limit` for limit > 50
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// silently truncated results across most `fj * list` commands. This helper
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// centralizes the loop so every list command paginates consistently.
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//
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// fetch is called with (page, pageSize) and returns the items for that page.
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// The 1-based `page` matches the gitea SDK convention.
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func paginateGitea[T any](limit int, fetch func(page, pageSize int) ([]T, error)) ([]T, error) {
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const maxPageSize = 50
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pageSize := maxPageSize
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if limit > 0 && limit < pageSize {
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pageSize = limit
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}
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var all []T
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for page := 1; ; page++ {
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if limit > 0 && len(all) >= limit {
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break
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}
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batch, err := fetch(page, pageSize)
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if err != nil {
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return all, err
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}
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if len(batch) == 0 {
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break
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}
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all = append(all, batch...)
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// A short page (less than the requested size) is the conventional
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// "you've reached the end" signal — saves one extra round-trip.
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if len(batch) < pageSize {
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break
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}
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}
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if limit > 0 && len(all) > limit {
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all = all[:limit]
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}
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return all, nil
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}
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