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