Added automatic reload functionality via query parameters, and rewrote generateQueryParams() to hopefully be more readable
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c213911969
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@ -48,6 +48,12 @@ If any other (or no) value is provided, the selected file will be random.
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Note: These patterns require sequentially-numbered files matching the following pattern: `filename###.extension`.
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## Refresh
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If a `refresh=<time in seconds>` query parameter is provided, the page will reload after that interval.
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This can be used to generate a sort of slideshow of images.
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## Usage output
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```
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Usage:
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@ -10,7 +10,7 @@ import (
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"github.com/spf13/cobra"
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)
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var Version = "0.22.1"
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var Version = "0.23.0"
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func init() {
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rootCmd.AddCommand(versionCmd)
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99
cmd/web.go
99
cmd/web.go
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@ -98,24 +98,52 @@ func splitQueryParams(query string) []string {
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return params
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}
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func generateQueryParams(filters *Filters, sortOrder string) string {
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switch {
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case Filter && !Sort:
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return fmt.Sprintf("?include=%v&exclude=%v",
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filters.GetIncludes(),
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filters.GetExcludes(),
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)
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case !Filter && Sort:
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return fmt.Sprintf("?sort=%v", sortOrder)
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case Filter && Sort:
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return fmt.Sprintf("?include=%v&exclude=%v&sort=%v",
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filters.GetIncludes(),
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filters.GetExcludes(),
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sortOrder,
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)
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func generateQueryParams(filters *Filters, sortOrder, refreshInterval string) (string, error) {
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refresh, err := strconv.Atoi(refreshInterval)
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if err != nil {
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return "", err
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}
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return ""
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var hasParams bool
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var queryParams string
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if Filter || Sort || (refresh != 0) {
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queryParams += "?"
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}
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if Filter {
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queryParams += "include="
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if filters.HasIncludes() {
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queryParams += filters.GetIncludes()
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}
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queryParams += "&exclude="
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if filters.HasExcludes() {
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queryParams += filters.GetExcludes()
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}
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hasParams = true
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}
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if Sort {
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if hasParams {
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queryParams += "&"
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}
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queryParams += fmt.Sprintf("sort=%v", sortOrder)
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hasParams = true
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}
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if refresh != 0 {
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if hasParams {
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queryParams += "&"
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}
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queryParams += fmt.Sprintf("refresh=%v", refresh)
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}
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return queryParams, nil
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}
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func stripQueryParams(u string) (string, error) {
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@ -163,6 +191,10 @@ func serveHtml(w http.ResponseWriter, r *http.Request, filePath, dimensions stri
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w.Header().Add("Content-Type", "text/html")
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refreshInterval := r.URL.Query().Get("refresh")
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queryParams, err := generateQueryParams(filters, r.URL.Query().Get("sort"), refreshInterval)
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htmlBody := `<html lang="en">
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<head>
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<style>
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@ -174,15 +206,32 @@ func serveHtml(w http.ResponseWriter, r *http.Request, filePath, dimensions stri
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htmlBody += `</title>
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</head>
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<body>
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<a href="/`
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htmlBody += generateQueryParams(filters, r.URL.Query().Get("sort"))
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`
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if refreshInterval != "0" {
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r, err := strconv.Atoi(refreshInterval)
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if err != nil {
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return err
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}
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refreshTimer := strconv.Itoa(r * 1000)
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htmlBody += ` <script>
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setTimeout(function(){
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window.location.href = '`
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htmlBody += fmt.Sprintf("/%v", queryParams)
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htmlBody += `';
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},`
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htmlBody += fmt.Sprintf("%v);\n", refreshTimer)
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htmlBody += ` </script>
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`
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}
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htmlBody += ` <a href="/`
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htmlBody += queryParams
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htmlBody += `"><img src="`
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htmlBody += generateFilePath(filePath)
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htmlBody += `"></img></a>
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</body>
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</html>`
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_, err := io.WriteString(w, htmlBody)
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_, err = io.WriteString(w, htmlBody)
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if err != nil {
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return err
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}
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@ -262,6 +311,11 @@ func serveHtmlHandler(paths []string, re regexp.Regexp, fileCache *[]string) app
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sortOrder := r.URL.Query().Get("sort")
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refreshInterval := r.URL.Query().Get("refresh")
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if refreshInterval == "" {
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refreshInterval = "0"
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}
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if r.URL.Path == "/" {
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var filePath string
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var err error
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@ -283,10 +337,15 @@ func serveHtmlHandler(paths []string, re regexp.Regexp, fileCache *[]string) app
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}
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}
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queryParams, err := generateQueryParams(&filters, sortOrder, refreshInterval)
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if err != nil {
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return err
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}
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newUrl := fmt.Sprintf("http://%v%v%v",
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r.Host,
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preparePath(filePath),
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generateQueryParams(&filters, sortOrder),
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queryParams,
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)
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http.Redirect(w, r, newUrl, RedirectStatusCode)
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} else {
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