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fileserver: Enable browse pagination with offset parameter (#3542)
* Update browse.go * Update browselisting.go * Update browsetpl.go * fix linter err * Update modules/caddyhttp/fileserver/browse.go Co-authored-by: Matt Holt <mholt@users.noreply.github.com> * Update modules/caddyhttp/fileserver/browselisting.go Co-authored-by: Matt Holt <mholt@users.noreply.github.com> * Update browsetpl.go change from -> offset * Update browse.go * Update browselisting.go Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
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snu-ceyda
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commit
735c86658d
3 changed files with 27 additions and 14 deletions
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@ -106,6 +106,7 @@ func (fsrv *FileServer) browseApplyQueryParams(w http.ResponseWriter, r *http.Re
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sortParam := r.URL.Query().Get("sort")
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orderParam := r.URL.Query().Get("order")
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limitParam := r.URL.Query().Get("limit")
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offsetParam := r.URL.Query().Get("offset")
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// first figure out what to sort by
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switch sortParam {
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@ -130,7 +131,7 @@ func (fsrv *FileServer) browseApplyQueryParams(w http.ResponseWriter, r *http.Re
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}
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// finally, apply the sorting and limiting
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listing.applySortAndLimit(sortParam, orderParam, limitParam)
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listing.applySortAndLimit(sortParam, orderParam, limitParam, offsetParam)
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}
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func (fsrv *FileServer) browseWriteJSON(listing browseListing) (*bytes.Buffer, error) {
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@ -101,6 +101,9 @@ type browseListing struct {
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// If ≠0 then Items have been limited to that many elements.
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ItemsLimitedTo int
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// If ≠0 then Items starting from that many elements.
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ItemOffset int
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}
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// Breadcrumbs returns l.Path where every element maps
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@ -131,7 +134,7 @@ func (l browseListing) Breadcrumbs() []crumb {
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return result
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}
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func (l *browseListing) applySortAndLimit(sortParam, orderParam, limitParam string) {
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func (l *browseListing) applySortAndLimit(sortParam, orderParam, limitParam string, offsetParam string) {
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l.Sort = sortParam
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l.Order = orderParam
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@ -159,8 +162,17 @@ func (l *browseListing) applySortAndLimit(sortParam, orderParam, limitParam stri
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}
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}
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if offsetParam != "" {
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offset, _ := strconv.Atoi(offsetParam)
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if offset > 0 && offset <= len(l.Items) {
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l.Items = l.Items[offset:]
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l.ItemOffset = offset
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}
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}
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if limitParam != "" {
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limit, _ := strconv.Atoi(limitParam)
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if limit > 0 && limit <= len(l.Items) {
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l.Items = l.Items[:limit]
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l.ItemsLimitedTo = limit
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@ -296,37 +296,37 @@ footer {
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<th></th>
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<th>
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{{- if and (eq .Sort "namedirfirst") (ne .Order "desc")}}
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<a href="?sort=namedirfirst&order=desc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}" class="icon"><svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg></a>
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<a href="?sort=namedirfirst&order=desc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}{{if ne 0 .ItemOffset}}&offset={{.ItemOffset}}{{end}}" class="icon"><svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg></a>
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{{- else if and (eq .Sort "namedirfirst") (ne .Order "asc")}}
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<a href="?sort=namedirfirst&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}" class="icon"><svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
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<a href="?sort=namedirfirst&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}{{if ne 0 .ItemOffset}}&offset={{.ItemOffset}}{{end}}" class="icon"><svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
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{{- else}}
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<a href="?sort=namedirfirst&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}" class="icon sort"><svg class="top" width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg><svg class="bottom" width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
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<a href="?sort=namedirfirst&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}{{if ne 0 .ItemOffset}}&offset={{.ItemOffset}}{{end}}" class="icon sort"><svg class="top" width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg><svg class="bottom" width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
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{{- end}}
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{{- if and (eq .Sort "name") (ne .Order "desc")}}
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<a href="?sort=name&order=desc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Name <svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg></a>
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<a href="?sort=name&order=desc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}{{if ne 0 .ItemOffset}}&offset={{.ItemOffset}}{{end}}">Name <svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg></a>
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{{- else if and (eq .Sort "name") (ne .Order "asc")}}
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<a href="?sort=name&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Name <svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
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<a href="?sort=name&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}{{if ne 0 .ItemOffset}}&offset={{.ItemOffset}}{{end}}">Name <svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
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{{- else}}
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<a href="?sort=name&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Name</a>
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<a href="?sort=name&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}{{if ne 0 .ItemOffset}}&offset={{.ItemOffset}}{{end}}">Name</a>
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{{- end}}
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</th>
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<th>
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{{- if and (eq .Sort "size") (ne .Order "desc")}}
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<a href="?sort=size&order=desc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Size <svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg></a>
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<a href="?sort=size&order=desc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}{{if ne 0 .ItemOffset}}&offset={{.ItemOffset}}{{end}}">Size <svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg></a>
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{{- else if and (eq .Sort "size") (ne .Order "asc")}}
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<a href="?sort=size&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Size <svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
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<a href="?sort=size&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}{{if ne 0 .ItemOffset}}&offset={{.ItemOffset}}{{end}}">Size <svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
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{{- else}}
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<a href="?sort=size&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Size</a>
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<a href="?sort=size&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}{{if ne 0 .ItemOffset}}&offset={{.ItemOffset}}{{end}}">Size</a>
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{{- end}}
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</th>
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<th class="hideable">
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{{- if and (eq .Sort "time") (ne .Order "desc")}}
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<a href="?sort=time&order=desc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Modified <svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg></a>
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<a href="?sort=time&order=desc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}{{if ne 0 .ItemOffset}}&offset={{.ItemOffset}}{{end}}">Modified <svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg></a>
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{{- else if and (eq .Sort "time") (ne .Order "asc")}}
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<a href="?sort=time&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Modified <svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
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<a href="?sort=time&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}{{if ne 0 .ItemOffset}}&offset={{.ItemOffset}}{{end}}">Modified <svg width="1em" height=".5em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
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{{- else}}
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<a href="?sort=time&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Modified</a>
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<a href="?sort=time&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}{{if ne 0 .ItemOffset}}&offset={{.ItemOffset}}{{end}}">Modified</a>
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{{- end}}
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</th>
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<th class="hideable"></th>
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