在用户＃显示一个收藏的食谱列表显示

Question

我仍在工作我的食谱应用程序/网站。我已经过去了一些我曾经遇到的主要问题。我现在深入到应用程序。

现在我目前已经有了构建和工作的优化操作。我可以随意喜欢和不喜欢食谱。不过，我现在正在尝试创建和编制索引，如果您愿意的话，可以查看用户收藏的所有不同食谱。我希望这份收藏的食谱列表显示在users＃show页面上，以便他们只需登录并转到他们的个人资料即可查看他们最喜欢的食谱。然而，我完全模糊了如何做到这一点。我整天都在努力弄清楚，我认为我有，但没有。它显示所有的食谱，而不仅仅是偏爱的食谱。所以我终于垮了，决定把它带到天才（你们！）

我要给你提供一大堆代码，不知道它是否会有所帮助，但希望你将能够快速破译它。

如果我还没有明确说明的话，我的目标是让喜爱的食谱列在用户＃展示页面上。

收藏控制器：

class FavoritesController < ApplicationController 
    def create 
    recipe = Recipe.find(params[:recipe_id]) 
    @recipe = Recipe.find(params[:recipe_id]) 
    favorite = current_user.favorites.build(recipe: recipe) 
    authorize favorite 
    if favorite.save 
     flash[:notice] = "Your favorite was saved." 
     redirect_to @recipe 
    else 
     flash[:error] = "There was an error saving your favorite." 
     redirect_to @recipe 
    end 
    end 

    def destroy 
    recipe = Recipe.find(params[:recipe_id]) 
    @recipe = Recipe.find(params[:recipe_id]) 
    favorite = Favorite.find(params[:id]) 
    authorize favorite 
    if favorite.destroy 
     flash[:notice] = "Favorite successfully deleted!" 
     redirect_to favorite.recipe 
    else 
     flash[:error] = "There was a error in deleting your favorite." 
     redirect_to @recipe 
    end 

    end 
end 

用户控制器：

class UsersController < ApplicationController 

    def show 
    @user = User.find(params[:id]) 
    @recipes = Recipe.where(@favorited) 
    @favorites = current_user.favorites 
    @comments = current_user.comments 
    end 

    private 

    def user_params 
    params.require(:user).permit(:name, :email) 
    end 

end 

食谱控制器：

class RecipesController < ApplicationController 
    def index 
    if params[:category].present? 
     @recipes = Recipe.where(category: params[:category]) 
    else 
     @recipes = Recipe.all 
    end 
    end 

    def show 
    @recipe = Recipe.find(params[:id]) 
    @comments = @recipe.comments 
    @comment = Comment.new 
    end 

    def new 
    @recipe = Recipe.new 
    end 

    def edit 
    @recipe = Recipe.find(params[:id]) 
    authorize @recipe 
    end 

    def update 
    @recipe = Recipe.find(params[:id]) 
    authorize @recipe 
    if @recipe.update_attributes(recipe_params) 
     flash[:notice] = "Recipe was updated." 
     redirect_to @recipe 
    else 
     flash[:error] = "There was an error saving the post. Please try again." 
     render :edit 
    end 
    end 


    def create 
    @recipe = Recipe.new(recipe_params) 
    authorize @recipe 
    if @recipe.save 
     flash[:notice] = "Recipe was saved." 
     redirect_to @recipe 
    else 
     flash[:error] = "There was an error saving the post. Please try again." 
     render :new 
    end 
    end 

    private 

    def recipe_params 
    params.require(:recipe).permit(:title, :body, :category, :ingredient, :foodphoto, :recipecard) 
    end 


end 

用户模型：

class User < ActiveRecord::Base 
    has_many :comments 
    has_many :favorites, dependent: :destroy 

    devise :database_authenticatable, :registerable, 
     :recoverable, :rememberable, :trackable, :validatable, :confirmable 

    def admin? 
    role == 'admin' 
    end 

    def favorited(recipe) 
    favorites.where(recipe_id: recipe.id).first 
    end 


end 

配方型号：

class Recipe < ActiveRecord::Base 
    has_many :comments 
    has_many :favorites, dependent: :destroy 
    mount_uploader :foodphoto, FoodPhotoUploader 
    mount_uploader :recipecard, RecipeCardUploader 
end 

收藏夹型号：

class Favorite < ActiveRecord::Base 
    belongs_to :recipe 
    belongs_to :user 
end 

收藏部分：

<% if policy(Favorite.new).create? %> 
    <div class="favorite"> 
    <% if favorite = current_user.favorited(recipe) %> 
     <%= link_to [recipe, favorite], class: 'btn btn-danger', method: :delete do %> 
     <i class="glyphicon glyphicon-star-empty"> </i>&nbsp; Unfavorite 
     <% end %> 
    <% else %> 
     <%= link_to [@recipe, Favorite.new], class: 'btn btn-primary', method: :recipe do %> 
     <i class="glyphicon glyphicon-star"> </i>&nbsp; Favorite 
     <% end %> 
    <% end %> 
    </div> 
<% end %> 

用户＃显示页：

<h1>User#show</h1> 
<h2>Favorite Recipes</h2> 
<% @recipes.each do |recipe| %> 
    <p><%= recipe.title %></p> 
<% end %> 

的routes.rb：

Rails.application.routes.draw do 


    devise_for :users 
    resources :users, only: :show 
    get 'comments/index' 

    get 'comments/create' 

    get 'comments/show' 

    get 'comments/edit' 

    get 'comments/new' 

    resources :recipes do 
    resources :comments, only: [:create, :show, :index, :new, :destroy] 
    resources :favorites, only: [:create, :destroy] 
    end 

    get 'drinks' => 'recipes#index', :category => "drinks" 
    get 'entrees' => 'recipes#index', :category => "entrees" 
    get 'sides' => 'recipes#index', :category => "sides" 
    get 'desserts' => 'recipes#index', :category => "desserts" 
    get 'appetizers' => 'recipes#index', :category => "appetizers" 


    get 'about' => 'welcome#about' 

    root to: 'welcome#index' 

end 

我意识到代码可能相当粗糙看，但这是我建立我自己的第一个应用程序没有教程。您可以提供的任何帮助或见解我都会很感激。这个任务似乎很简单，但我已经把自己变成了这个疯狂。

如果您需要更多的信息或代码，请告诉我，我会继续。

你们摇滚，再次感谢。

Answer 1

在用户控制器：

# users_controller.rb 
    def show 
    @user = User.find(params[:id]) 
    @recipes = Recipe.joins(:favorites).where('favorites.user_id = ?', @user.id) 
    # rest of your codes 
    end 

这@recipes = Recipe.joins(:favorites).where('favorites.user_id = ?', @user.id)应该给你的是你在找什么为当前用户收藏的recepies。