如何在Rails中用另一个控制器覆盖模型控制器

Question

Question:

Why the route still looking for properties/create and how to make it route to admin_panels/properties#create ?

Explaination:

I'm creating my own admin panel from scratch. The main reason of creating the admin panel is to allow users easily perform new , edit , update , create and destroy actions for property model. So, I've created a new PropertiesController for admin panel to override the existing one.

What I'm expecting from this is after the user create a new property , it will create the property using the admin_panels/properties#create . However, what i get is it try to find a route to properties/create which is not correct.

New AdminPanels::PropertiesController

class AdminPanels::PropertiesController < PropertiesController
  before_action :set_property, only: [:show, :edit, :update, :destroy]

  def index
    @properties = Property.all
  end

  def show
  end

  def new
    @property = Property.new
  end

  def edit
  end

  def create
    @property = Property.new(property_params)

    respond_to do |format|
      if @property.save
        format.html { redirect_to ADMIN_PANEL_PROPERTY_SHOW }
      else
        format.html { render ADMIN_PANEL_PROPERTY_NEW }
      end
    end
  end

  def update
    respond_to do |format|
      if @property.update(property_params)
        format.html { redirect_to ADMIN_PANEL_PROPERTY_SHOW }
      else
        format.html { render ADMIN_PANEL_PROPERTY_EDIT }
      end
    end
  end

  def destroy
    @property.destroy
    respond_to do |format|
      format.html { redirect_to ADMIN_PANEL_PROPERTY_INDEX }
    end
  end

  private
  def set_property
    @property = Property.find(params[:id])
  end

  def property_params
    params.require(:property).permit(:name, :description, :address)
  end
end

to override existing PropertiesController

class PropertiesController < ApplicationController
  before_action :set_property, only: [:show]

  def index
    @properties = Property.all
  end

  def show
  end

  private
  def set_property
    @property = Property.find(params[:id])
  end

  def property_params
    params.require(:property).permit(:name, :description, :address)
  end
end

routes.rb

resources :users
resources :properties, only: [:index, :show]
namespace :admin_panels do
  resources :properties
end

Updated:

views > admin_panels > create > _form.html.slim

= simple_form_for(@property) do |f|
  = f.error_notification

  .form-inputs
    = f.input :name
    = f.input :description
    = f.input :address

  .form-actions
    = f.button :submit

Answer 1

Currently, you have routes of properties for index and show and under admin_panels you have routes of all actions of properties

Change your routing file like this:

resources :users
namespace :admin_panels do
  resources :properties, only: [:index, :show]
end

Write the following command in terminal to view you routes.

rake routes

Write the following command in terminal to view routes of admin_panels

rake routes | grep admin_panel

Specify action and controller in form:

<%= simple_form_for @course_group, 
                    url: url_for(
                                 action: 'create',
                                 controller: 'admin_panels/properties'
                                ),
                    method: :post do |f| %>

Syntax might be different a little bit.

Answer 2

You can try that in two ways, first using the normal url and also by using the url_for helper of the simple_form_for.

Normal way,

<%= simple_form_for @provider, :url => admin_panel_properties_create_path, :method => :post do |f|%> 

Using the helper,

<%= simple_form_for  @provider,  url: url_for( action: 'create',controller: 'admin_panels/properties'),  method: :post do |f| %>