added sitemap

internal/pkg/handlers/sitemap.go

@@ -0,0 +1,60 @@
+package handlers
+
+import (
+	"fmt"
+	"github.com/gofiber/fiber/v2"
+	"go.etcd.io/bbolt"
+	"strings"
+)
+
+func Sitemap(c *fiber.Ctx) error {
+	var pages []string
+
+	pages = append(pages, "https://instl.sh/")
+	pages = append(pages, "https://instl.sh/stats")
+
+	var statsMap = map[string]struct{}{}
+	err := db.View(func(tx *bbolt.Tx) error {
+		b := tx.Bucket([]byte("installations"))
+		if b == nil {
+			return nil
+		}
+		return b.ForEach(func(k, v []byte) error {
+			var repo string
+			parts := strings.Split(string(k), "/")
+			repo = strings.Join(parts[:2], "/")
+			statsMap[repo] = struct{}{}
+			return nil
+		})
+	})
+	if err != nil {
+		return err
+	}
+
+	for repo := range statsMap {
+		pages = append(pages, fmt.Sprintf("https://instl.sh/%s", repo))
+	}
+
+	c.Set("Content-Type", "application/xml")
+	return c.SendString(generateSitemap(pages))
+}
+
+func generateSitemap(urls []string) string {
+	var sitemap strings.Builder
+
+	sitemap.WriteString(`<?xml version="1.0" encoding="UTF-8"?>`)
+	sitemap.WriteString("\n")
+	sitemap.WriteString(`<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">`)
+	sitemap.WriteString("\n")
+	for _, url := range urls {
+		sitemap.WriteString("  <url>")
+		sitemap.WriteString("\n")
+		sitemap.WriteString(fmt.Sprintf("    <loc>%s</loc>", url))
+		sitemap.WriteString("\n")
+		sitemap.WriteString("  </url>")
+		sitemap.WriteString("\n")
+	}
+	sitemap.WriteString(`</urlset>`)
+
+	return sitemap.String()
+}

main.go

@@ -72,6 +72,9 @@ func main() {
 	app.Get("/docs", handlers.RedirectToDocs)
 	app.Get("/documentation", handlers.RedirectToDocs)
 
+	// Sitemap
+	app.Get("/sitemap.xml", handlers.Sitemap)
+
 	// API
 	app.Get("/api/stats", handlers.AllStatsAPI)
 	app.Get("/api/stats/:user/:repo", handlers.RepoStatsAPI)

templates/lib/head.gohtml

@@ -6,6 +6,7 @@
         <meta http-equiv="X-UA-Compatible" content="ie=edge">
 
         <title>{{template "title" .}}</title>
+        <meta name="description" content="Instl is an installation script generator for GitHub projects. It does not need any setup, and can be used to install most GitHub projects on Linux, macOS and Windows.">
 
         <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@picocss/pico@1/css/pico.min.css">
         <link rel="stylesheet" href="/css/global.css">