A simple, federated blogging platform. Written in Go. Fork by @gytisrepecka to provide suggestions and fixes to upstream @writeas.
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/*
* Copyright © 2018-2019 A Bunch Tell LLC.
*
* This file is part of WriteFreely.
*
* WriteFreely is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, included
* in the LICENSE file in this source code package.
*/
package writefreely
import (
"fmt"
"net/http"
"time"
"github.com/gorilla/mux"
"github.com/ikeikeikeike/go-sitemap-generator/v2/stm"
"github.com/writeas/web-core/log"
)
func buildSitemap(host, alias string) *stm.Sitemap {
sm := stm.NewSitemap(0)
sm.SetDefaultHost(host)
if alias != "/" {
sm.SetSitemapsPath(alias)
}
sm.Create()
// Note: Do not call `sm.Finalize()` because it flushes
// the underlying datastructure from memory to disk.
return sm
}
func handleViewSitemap(app *App, w http.ResponseWriter, r *http.Request) error {
vars := mux.Vars(r)
// Determine canonical blog URL
alias := vars["collection"]
subdomain := vars["subdomain"]
isSubdomain := subdomain != ""
if isSubdomain {
alias = subdomain
}
host := fmt.Sprintf("%s/%s/", app.cfg.App.Host, alias)
var c *Collection
var err error
pre := "/"
if app.cfg.App.SingleUser {
c, err = app.db.GetCollectionByID(1)
} else {
c, err = app.db.GetCollection(alias)
}
if err != nil {
return err
}
c.hostName = app.cfg.App.Host
if !isSubdomain {
pre += alias + "/"
}
host = c.CanonicalURL()
sm := buildSitemap(host, pre)
posts, err := app.db.GetPosts(app.cfg, c, 0, false, false, false)
if err != nil {
log.Error("Error getting posts: %v", err)
return err
}
lastSiteMod := time.Now()
for i, p := range *posts {
if i == 0 {
lastSiteMod = p.Updated
}
u := stm.URL{
{"loc", p.Slug.String},
{"changefreq", "weekly"},
{"mobile", true},
{"lastmod", p.Updated},
}
if len(p.Images) > 0 {
imgs := []stm.URL{}
for _, i := range p.Images {
imgs = append(imgs, stm.URL{
{"loc", i},
{"title", ""},
})
}
u = append(u, []interface{}{"image", imgs})
}
sm.Add(u)
}
// Add top URL
sm.Add(stm.URL{
{"loc", pre},
{"changefreq", "daily"},
{"priority", "1.0"},
{"lastmod", lastSiteMod},
})
w.Write(sm.XMLContent())
return nil
}