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Helper function for paginating slices
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parent
2953608151
commit
363c2522f2
@ -49,6 +49,20 @@ func (m *Model) SetTotalPages(items int) int {
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return n
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}
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// GetSliceBounds is a helper function for paginating slices. Pass the length
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// of the slice you're rendering and you'll receive the start and end bounds
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// corresponding the to pagination. For example:
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//
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// bunchOfStuff := []stuff{...}
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// start, end := model.GetSliceBounds(len(bunchOfStuff))
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// sliceToRender := bunchOfStuff[start:end]
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//
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func (m *Model) GetSliceBounds(length int) (start int, end int) {
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start = m.Page * m.PerPage
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end = min(m.Page*m.PerPage+m.PerPage, length)
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return start, end
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}
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func (m *Model) prevPage() {
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if m.Page > 0 {
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m.Page--
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@ -148,3 +162,10 @@ func dotsView(m Model) string {
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func arabicView(m Model) string {
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return fmt.Sprintf(m.ArabicFormat, m.Page+1, m.TotalPages)
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}
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func min(a, b int) int {
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if a < b {
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return a
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}
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return b
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}
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