38 lines
829 B
Go
38 lines
829 B
Go
package models
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// PageInfo carries pagination state for templates.
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type PageInfo struct {
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CurrentPage int
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TotalPages int
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PostsPerPage int
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}
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// HasPrevious returns true if there is a previous page.
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func (p PageInfo) HasPrevious() bool {
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return p.CurrentPage > 1
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}
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// HasNext returns true if there is a next page.
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func (p PageInfo) HasNext() bool {
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return p.CurrentPage < p.TotalPages
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}
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// PreviousPage returns the previous page number.
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func (p PageInfo) PreviousPage() int {
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return p.CurrentPage - 1
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}
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// NextPage returns the next page number.
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func (p PageInfo) NextPage() int {
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return p.CurrentPage + 1
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}
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// Pages returns a slice of page numbers for rendering numbered pagination.
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func (p PageInfo) Pages() []int {
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pages := make([]int, p.TotalPages)
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for i := range pages {
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pages[i] = i + 1
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}
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return pages
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}
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