Added endpoint to delete a category.

cmd/dwelling-home/main.go

@@ -108,6 +108,8 @@ func main() {
 	srv.PATCH("/api/mindflow/:id", mindflowApi.Edit)
 	srv.DELETE("/api/mindflow/:id", mindflowApi.Delete)
 
+	srv.DELETE("/api/mindflow/category/:id", mindflowApi.DeleteCategory)
+
 	if err := srv.Start(network, *listenAddress); err != nil {
 		log.Fatalln(err)
 	}

internal/http/api_handlers.go

@@ -257,6 +257,14 @@ func (h *MindflowApiHandlers) New(w http.ResponseWriter, r *http.Request) {
 	http.Redirect(w, r, "/mindflow/admin", http.StatusMovedPermanently)
 }
 
+func (h *MindflowApiHandlers) DeleteCategory(w http.ResponseWriter, r *http.Request) {
+	id, _ := strconv.ParseInt(GetURLParam(r, "id"), 10, 64)
+	if err := h.db.DeleteCategory(id); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
 func (h *MindflowApiHandlers) DeleteUnusedCategories(w http.ResponseWriter, r *http.Request) {
 	if err := h.db.DeleteUnusedCategories(); err != nil {
 		log.Println("Cannot delete unused categories:", err)

web/templates/mindflow_admin.pug

@@ -18,6 +18,17 @@ block nav
 
 block content
     :go:func MindflowAdmin(title string, posts []mindflow.Post, categories []mindflow.Category, r *http.Request)
+    section
+        h2 Manage categories
+            form(id='manage-categories')
+                select(name='category' required='')
+                    each category in categories
+                        option(value=category.ID) #{category.Name}
+                option(value='0') -- New category --
+                input(type='text', placeholder='New category name' name='new-category')
+                button(type="edit") Edit
+                button(type="delete") Delete
+
     section
         h2 Create a new post
         form(id='add' action='/api/mindflow', method='POST')