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