Allow empty recipe list

This is useful for the case that no recipes exist or the recipe data
folder does not exist.

1 files changed, 24 insertions, 32 deletions

diff --git a/handler.go b/handler.go
index 5acb5c6..de055d3 100644
--- a/handler.go
+++ b/handler.go
@@ -23,34 +23,31 @@ type Recipe struct {
 
 func indexGet(w http.ResponseWriter, r *http.Request) {
 
-	entries, err := os.ReadDir(filepath.Join(config.Data, "recipes"))
-	if err != nil {
-		http.Error(w, "Could not list recipes!", 500)
-		return
-	}
-
 	recipes := make([]Recipe, 0)
 
-	for _, v := range entries {
-		if v.IsDir() == false {
-			continue
-		}
-
-		_, err = strconv.Atoi(v.Name())
-		if err != nil {
-			continue
+	entries, err := os.ReadDir(filepath.Join(config.Data, "recipes"))
+	if err == nil {
+		for _, v := range entries {
+			if v.IsDir() == false {
+				continue
+			}
+
+			_, err = strconv.Atoi(v.Name())
+			if err != nil {
+				continue
+			}
+
+			textpath := filepath.Join(config.Data, "recipes", v.Name(), "text")
+			data, _ := ioutil.ReadFile(textpath)
+			markup := Markup(data)
+
+			recipes = append(recipes, Recipe{
+				v.Name(),
+				markup.title(),
+				string(data),
+				"",
+			})
 		}
-
-		textpath := filepath.Join(config.Data, "recipes", v.Name(), "text")
-		data, _ := ioutil.ReadFile(textpath)
-		markup := Markup(data)
-
-		recipes = append(recipes, Recipe{
-			v.Name(),
-			markup.title(),
-			string(data),
-			"",
-		})
 	}
 
 	ServeTemplate(w, "index.html", recipes)
@@ -164,14 +161,9 @@ func recipeConfirmDeletionPost(w http.ResponseWriter, r *http.Request) {
 
 func addRecipesGet(w http.ResponseWriter, r *http.Request) {
 
-	entries, err := os.ReadDir(filepath.Join(config.Data, "recipes"))
-	if err != nil {
-		http.Error(w, "Could not get list of existing recipes!", 500)
-		return
-	}
-
 	var biggest int = -1
 
+	entries, _ := os.ReadDir(filepath.Join(config.Data, "recipes"))
 	for _, v := range entries {
 		if v.IsDir() == false {
 			continue
@@ -191,7 +183,7 @@ func addRecipesGet(w http.ResponseWriter, r *http.Request) {
 	newIdStr := strconv.Itoa(newId)
 
 	recipedir := filepath.Join(config.Data, "recipes", newIdStr)
-	err = os.Mkdir(recipedir, 0755)
+	err := os.Mkdir(recipedir, 0755)
 	if err != nil {
 		http.Error(w, "Could not create new recipe!", 500)
 		return