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// Copyright 2017 Frédéric Guillot. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package controller
const (
NbItemsPerPage = 100
)
type Pagination struct {
Route string
Total int
Offset int
ItemsPerPage int
ShowNext bool
ShowPrev bool
NextOffset int
PrevOffset int
}
func (c *Controller) getPagination(route string, total, offset int) Pagination {
nextOffset := 0
prevOffset := 0
showNext := (total - offset) > NbItemsPerPage
showPrev := offset > 0
if showNext {
nextOffset = offset + NbItemsPerPage
}
if showPrev {
prevOffset = offset - NbItemsPerPage
}
return Pagination{
Route: route,
Total: total,
Offset: offset,
ItemsPerPage: NbItemsPerPage,
ShowNext: showNext,
NextOffset: nextOffset,
ShowPrev: showPrev,
PrevOffset: prevOffset,
}
}
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