feat: load existing sites

app.go

@@ -91,6 +91,21 @@ func httpGetFile(filepath, url string) error {
 	return nil
 }
 
+func existingSites() ([]string, error) {
+	var sites []string
+
+	siteNameFiles, err := os.ReadDir(SitesDir)
+	if err != nil {
+		return sites, err
+	}
+
+	for _, siteNameFile := range siteNameFiles {
+		sites = append(sites, siteNameFile.Name())
+	}
+
+	return sites, nil
+}
+
 func initialise(w http.ResponseWriter, r *http.Request) {
 	if err := ensureDataDir(); err != nil {
 		w.Write([]byte(fmt.Sprintf("unable to create data directory: %s", err)))
@@ -100,9 +115,12 @@ func initialise(w http.ResponseWriter, r *http.Request) {
 		w.Write([]byte(fmt.Sprintf("unable to download hugo binary: %s", err)))
 	}
 
-	// TODO(d1): is there a Hugo site already?
+	sites, err := existingSites()
+	if err != nil {
+		w.Write([]byte(fmt.Sprintf("unable to list existing sites: %s", err)))
+	}
 
-	templ.Handler(components.NewSiteInput()).ServeHTTP(w, r)
+	templ.Handler(components.Homepage(sites)).ServeHTTP(w, r)
 }
 
 func hugoNewSite(w http.ResponseWriter, r *http.Request) {

components/templates.templ

@@ -1,7 +1,20 @@
 package components
 
-templ NewSiteInput() {
+import (
-	<div>Please enter name of your new Hugo site below 👇</div>
+  "fmt"
+)
+
+templ Homepage(sites []string) {
+  if len(sites) != 0 {
+    <div>Configure an existing Hugo site below 👇</div>
+    <ul>
+    for _, site := range sites {
+      <li><a href={ templ.URL(fmt.Sprintf("/%s/config", site)) }>{ site }</a></li>
+    }
+    </ul>
+  }
+
+  <div>Create a new Hugo site below 👇</div>
   <form id="new-site-form" hx-post="/hugo/new" hx-trigger="submit">
     <input type="text" required="required" name="site-name" />
   </form>

components/templates_templ.go

@@ -10,7 +10,11 @@ import "context"
 import "io"
 import "bytes"
 
-func NewSiteInput() templ.Component {
+import (
+	"fmt"
+)
+
+func Homepage(sites []string) templ.Component {
 	return templ.ComponentFunc(func(ctx context.Context, templ_7745c5c3_W io.Writer) (templ_7745c5c3_Err error) {
 		templ_7745c5c3_Buffer, templ_7745c5c3_IsBuffer := templ_7745c5c3_W.(*bytes.Buffer)
 		if !templ_7745c5c3_IsBuffer {
@@ -23,7 +27,45 @@ func NewSiteInput() templ.Component {
 			templ_7745c5c3_Var1 = templ.NopComponent
 		}
 		ctx = templ.ClearChildren(ctx)
-		_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("<div>Please enter name of your new Hugo site below 👇</div><form id=\"new-site-form\" hx-post=\"/hugo/new\" hx-trigger=\"submit\"><input type=\"text\" required=\"required\" name=\"site-name\"></form>")
+		if len(sites) != 0 {
+			_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("<div>Configure an existing Hugo site below 👇</div><ul>")
+			if templ_7745c5c3_Err != nil {
+				return templ_7745c5c3_Err
+			}
+			for _, site := range sites {
+				_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("<li><a href=\"")
+				if templ_7745c5c3_Err != nil {
+					return templ_7745c5c3_Err
+				}
+				var templ_7745c5c3_Var2 templ.SafeURL = templ.URL(fmt.Sprintf("/%s/config", site))
+				_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(string(templ_7745c5c3_Var2)))
+				if templ_7745c5c3_Err != nil {
+					return templ_7745c5c3_Err
+				}
+				_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("\">")
+				if templ_7745c5c3_Err != nil {
+					return templ_7745c5c3_Err
+				}
+				var templ_7745c5c3_Var3 string
+				templ_7745c5c3_Var3, templ_7745c5c3_Err = templ.JoinStringErrs(site)
+				if templ_7745c5c3_Err != nil {
+					return templ.Error{Err: templ_7745c5c3_Err, FileName: `components/templates.templ`, Line: 12, Col: 71}
+				}
+				_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var3))
+				if templ_7745c5c3_Err != nil {
+					return templ_7745c5c3_Err
+				}
+				_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("</a></li>")
+				if templ_7745c5c3_Err != nil {
+					return templ_7745c5c3_Err
+				}
+			}
+			_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("</ul>")
+			if templ_7745c5c3_Err != nil {
+				return templ_7745c5c3_Err
+			}
+		}
+		_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString("<div>Create a new Hugo site below 👇</div><form id=\"new-site-form\" hx-post=\"/hugo/new\" hx-trigger=\"submit\"><input type=\"text\" required=\"required\" name=\"site-name\"></form>")
 		if templ_7745c5c3_Err != nil {
 			return templ_7745c5c3_Err
 		}

frontend/index.html

@@ -8,7 +8,14 @@
     <script src="https://unpkg.com/htmx.org@1.9.6"></script>
 </head>
 <body>
-  <div id="app" hx-get="/init" hx-trigger="load once" hx-indicator="#initial-loader"></div>
+  <div
-  <p id="initial-loader" class="htmx-indicator">Initialising Hugo...</p>
+    id="app"
+    hx-get="/init"
+    hx-trigger="load once"
+    hx-indicator="#initial-loader"
+    hx-target="this"
+    hx-swap="outerHtml">
+    <p id="initial-loader" class="htmx-indicator">Bootstrapping snackbar...</p>
+  </div>
 </body>
 </html>