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parent
6e1b0e0c00
commit
3343cacc0e
2 changed files with 32 additions and 5 deletions
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@ -30,6 +30,8 @@ type pager struct {
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type pagers []*pager
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var paginatorEmptyPages Pages
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type paginator struct {
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paginatedPages []Pages
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pagers
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@ -52,6 +54,9 @@ func (p *pager) Url() template.HTML {
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// Pages returns the elements on this page.
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func (p *pager) Pages() Pages {
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if len(p.paginatedPages) == 0 {
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return paginatorEmptyPages
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}
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return p.paginatedPages[p.PageNumber()-1]
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}
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@ -233,13 +238,20 @@ func newPaginator(pages Pages, size int, urlFactory paginationUrlFactory) (*pagi
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split := splitPages(pages, size)
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p := &paginator{total: len(pages), paginatedPages: split, size: size, paginationUrlFactory: urlFactory}
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pagers := make(pagers, len(split))
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for i := range p.paginatedPages {
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pagers[i] = &pager{number: (i + 1), paginator: p}
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var ps pagers
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if len(split) > 0 {
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ps = make(pagers, len(split))
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for i := range p.paginatedPages {
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ps[i] = &pager{number: (i + 1), paginator: p}
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}
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} else {
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ps = make(pagers, 1)
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ps[0] = &pager{number: 1, paginator: p}
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}
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p.pagers = pagers
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p.pagers = ps
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return p, nil
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}
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@ -76,10 +76,25 @@ func TestPagerNoPages(t *testing.T) {
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paginator, _ := newPaginator(pages, 5, urlFactory)
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paginatorPages := paginator.Pagers()
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assert.Equal(t, 0, len(paginatorPages))
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assert.Equal(t, 1, len(paginatorPages))
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assert.Equal(t, 0, paginator.TotalNumberOfElements())
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assert.Equal(t, 5, paginator.PageSize())
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assert.Equal(t, 0, paginator.TotalPages())
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// pageOne should be nothing but the first
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pageOne := paginatorPages[0]
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assert.NotNil(t, pageOne.First())
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assert.False(t, pageOne.HasNext())
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assert.False(t, pageOne.HasPrev())
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assert.Nil(t, pageOne.Next())
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assert.Equal(t, 1, len(pageOne.Pagers()))
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assert.Equal(t, 0, len(pageOne.Pages()))
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assert.Equal(t, 0, pageOne.NumberOfElements())
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assert.Equal(t, 0, pageOne.TotalNumberOfElements())
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assert.Equal(t, 0, pageOne.TotalPages())
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assert.Equal(t, 1, pageOne.PageNumber())
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assert.Equal(t, 5, pageOne.PageSize())
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}
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func TestPaginationUrlFactory(t *testing.T) {
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