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Generate sitemap in thread because it takes a long time

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This commit is contained in:
Zack Scholl 2017-10-15 08:18:48 -06:00
parent e52d0097a9
commit c35aeca859
1 changed files with 27 additions and 9 deletions
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36
handlers.go
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@ -5,6 +5,7 @@ import (
"html/template"
"io/ioutil"
"net/http"
"path"
"strconv"
"strings"
"time"
@ -41,6 +42,9 @@ func serve(host, port, crt_path, key_path string, TLS bool) {
router.DELETE("/oldlist", handleClearOldListItems)
router.DELETE("/listitem", deleteListItem)
// start long-processes as threads
go thread_SiteMap()
if TLS {
http.ListenAndServeTLS(host+":"+port, crt_path, key_path, router)
} else {
@ -106,6 +110,15 @@ func handlePageRelinquish(c *gin.Context) {
"destroyed": destroyed})
}
func thread_SiteMap() {
for {
log.Info("Generating sitemap...")
ioutil.WriteFile(path.Join(pathToData, "sitemap.xml"), []byte(generateSiteMap()), 0644)
log.Info("..finished generating sitemap")
time.Sleep(24 * time.Hour)
}
}
func generateSiteMap() (sitemap string) {
files, _ := ioutil.ReadDir(pathToData)
lastEdited := make([]string, len(files))
@ -122,16 +135,16 @@ func generateSiteMap() (sitemap string) {
names = names[:i]
lastEdited = lastEdited[:i]
sitemap = `<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">`
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">`
for i := range names {
sitemap += fmt.Sprintf(`
<url>
<loc>https://cowyo.com/%s/view</loc>
<lastmod>%s</lastmod>
<changefreq>monthly</changefreq>
<priority>0.8</priority>
</url>
`, names[i], lastEdited[i])
<url>
<loc>https://cowyo.com/%s/view</loc>
<lastmod>%s</lastmod>
<changefreq>monthly</changefreq>
<priority>0.8</priority>
</url>
`, names[i], lastEdited[i])
}
sitemap += "</urlset>"
return
@ -141,7 +154,12 @@ func handlePageRequest(c *gin.Context) {
command := c.Param("command")
if page == "sitemap.xml" {
c.Data(http.StatusOK, contentType("sitemap.xml"), []byte(generateSiteMap()))
siteMap, err := ioutil.ReadFile(path.Join(pathToData, "sitemap.xml"))
if err != nil {
c.Data(http.StatusInternalServerError, contentType("sitemap.xml"), []byte(""))
} else {
c.Data(http.StatusOK, contentType("sitemap.xml"), siteMap)
}
return
} else if page == "favicon.ico" {
data, _ := Asset("/static/img/cowyo/favicon.ico")