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miniflux/server/ui/controller/pagination.go

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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 (
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nbItemsPerPage = 100
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)
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type pagination struct {
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Route string
Total int
Offset int
ItemsPerPage int
ShowNext bool
ShowPrev bool
NextOffset int
PrevOffset int
}
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func (c *Controller) getPagination(route string, total, offset int) pagination {
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nextOffset := 0
prevOffset := 0
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showNext := (total - offset) > nbItemsPerPage
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showPrev := offset > 0
if showNext {
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nextOffset = offset + nbItemsPerPage
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}
if showPrev {
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prevOffset = offset - nbItemsPerPage
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}
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return pagination{
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Route: route,
Total: total,
Offset: offset,
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ItemsPerPage: nbItemsPerPage,
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ShowNext: showNext,
NextOffset: nextOffset,
ShowPrev: showPrev,
PrevOffset: prevOffset,
}
}