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package tpl
import (
"fmt"
"sh.org.ru/pkg/model"
"strconv"
)
templ Index(quotes []model.Quote, page, count int) {
@Layout(HeaderParams{
Title: "Цитатник Рунета",
Description: "Новый цитатник Рунета",
URL: "https://sh.org.ru/",
}) {
for _, q := range quotes {
@Quote(&q)
}
<nav>
<ul>
if page > 0 {
<li><a href={ templ.URL(fmt.Sprintf("/?page=%d", page-1)) }>←</a></li>
}
for _, p := range generatePagination(page, count/20) {
if p == "..." {
<li>...</li>
} else if p == strconv.Itoa(page) {
<li>[{ p }]</li>
} else {
<li><a href={ templ.URL(fmt.Sprintf("/?page=%s", p)) }>{ p }</a></li>
}
}
if page < count/20 {
<li><a href={ templ.URL(fmt.Sprintf("/?page=%d", page+1)) }>→</a></li>
}
</ul>
</nav>
Всего { strconv.Itoa(count) } цитат.
}
}
func generatePagination(currentPage, totalPages int) []string {
pagination := make([]string, 0, 11)
if currentPage <= 3 {
for i := 0; i <= currentPage+3; i++ {
pagination = append(pagination, strconv.Itoa(i))
}
pagination = append(pagination, "...")
pagination = append(pagination, strconv.Itoa(totalPages-2))
pagination = append(pagination, strconv.Itoa(totalPages-1))
pagination = append(pagination, strconv.Itoa(totalPages))
} else if currentPage >= totalPages-3 {
pagination = append(pagination, "0")
pagination = append(pagination, "1")
pagination = append(pagination, "2")
pagination = append(pagination, "...")
for i := currentPage - 3; i <= totalPages; i++ {
pagination = append(pagination, strconv.Itoa(i))
}
} else {
pagination = append(pagination, "0")
pagination = append(pagination, "...")
for i := currentPage - 2; i <= currentPage+2; i++ {
pagination = append(pagination, strconv.Itoa(i))
}
pagination = append(pagination, "...")
pagination = append(pagination, strconv.Itoa(totalPages))
}
return pagination
}
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