質問編集履歴
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```
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#app/views/posts/new.html.erb
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<div class="main posts-new">
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<div class="container">
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<h1 class="form-heading">投稿する</h1>
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<%= form_tag("/posts/create",{multipart:true}) do %>
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<div>
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<textarea name="content"></textarea><br>
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<%= f.label :image %>
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<%= f.file_field :image %>
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</div>
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<%end%>
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```
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```ここに言語名を入力
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#app\controllers\posts_controller.rb
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class PostsController < ApplicationController
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before_action :authenticate_user
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before_action :ensure_correct_user, {only: [:edit, :update, :destroy]}
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def post_permit
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params.permit(:id, :name, :image)
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end
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def index
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@posts = Post.all.order(created_at: :desc)
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end
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def show
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@post = Post.find_by(id: params[:id])
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@user = @post.user
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# 変数@likes_countを定義してください
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@likes_count = Like.where(post_id: @post.id).count
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end
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def new
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@post = Post.new
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end
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def create
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@post = Post.new(
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content: params[:content],
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user_id: @current_user.id,
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post_image: nil)
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@post.save
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if @post.save
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if params[:post_image]
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@post.post_image = "#{@post.id}.jpg"
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image = params[:post_image]
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File.binwrite("public/post_images/#{@post.post_image}",image.read)
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end
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flash[:notice] = "投稿を作成しました"
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redirect_to("/posts/index")
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else
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render("posts/new")
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end
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end
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def edit
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@post = Post.find_by(id: params[:id])
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end
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def update
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@post = Post.find_by(id: params[:id])
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@post.content = params[:content]
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if @post.save
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flash[:notice] = "投稿を編集しました"
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redirect_to("/posts/index")
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else
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render("posts/edit")
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end
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end
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def destroy
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@post = Post.find_by(id: params[:id])
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@post.destroy
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flash[:notice] = "投稿を削除しました"
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redirect_to("/posts/index")
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end
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def ensure_correct_user
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@post = Post.find_by(id: params[:id])
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if @post.user_id != @current_user.id
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flash[:notice] = "権限がありません"
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redirect_to("/posts/index")
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end
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end
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end
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```
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```ここに言語名を入力
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31
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-
#app
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223
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#app\views\posts\index.html.erb
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32
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-
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33
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-
<div class="main posts-new">
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34
224
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35
225
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<div class="container">
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36
226
|
|
|
37
|
-
<h1 class="form-heading">投稿する</h1>
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|
38
|
-
|
|
39
|
-
<%= form_tag("/posts/create",{multipart:true}) do %>
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40
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-
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41
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-
<div>
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42
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-
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43
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-
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44
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-
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45
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<textarea name="content"></textarea><br>
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46
|
-
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47
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<%= f.label :image %>
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48
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-
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49
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<%= f.file_field :image %>
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50
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-
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51
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52
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-
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53
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</div>
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54
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-
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55
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-
<%end%>
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56
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-
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57
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-
```
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58
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-
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59
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```ここに言語名を入力
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60
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-
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61
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#app\controllers\posts_controller.rb
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62
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63
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class PostsController < ApplicationController
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64
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-
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65
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before_action :authenticate_user
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66
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-
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67
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before_action :ensure_correct_user, {only: [:edit, :update, :destroy]}
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68
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69
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70
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71
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def post_permit
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72
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-
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73
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params.permit(:id, :name, :image)
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74
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-
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75
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end
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76
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def index
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81
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@posts = Post.all.order(created_at: :desc)
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82
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-
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83
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end
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def show
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@post = Post.find_by(id: params[:id])
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90
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-
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91
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@user = @post.user
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92
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-
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93
|
-
# 変数@likes_countを定義してください
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|
94
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-
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|
95
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@likes_count = Like.where(post_id: @post.id).count
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96
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-
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97
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end
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def new
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@post = Post.new
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end
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def create
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111
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@post = Post.new(
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112
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-
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113
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content: params[:content],
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114
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-
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115
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user_id: @current_user.id,
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116
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-
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117
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post_image: nil)
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118
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@post.save
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120
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122
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123
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if @post.save
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125
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126
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-
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127
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if params[:post_image]
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@post.post_image = "#{@post.id}.jpg"
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-
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image = params[:post_image]
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132
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File.binwrite("public/post_images/#{@post.post_image}",image.read)
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end
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136
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-
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flash[:notice] = "投稿を作成しました"
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140
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-
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141
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redirect_to("/posts/index")
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142
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-
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143
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else
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144
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-
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145
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render("posts/new")
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-
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147
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end
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end
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def edit
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@post = Post.find_by(id: params[:id])
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end
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def update
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@post = Post.find_by(id: params[:id])
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166
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-
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167
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@post.content = params[:content]
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168
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-
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169
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if @post.save
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170
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-
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171
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flash[:notice] = "投稿を編集しました"
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172
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-
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redirect_to("/posts/index")
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else
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render("posts/edit")
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end
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end
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def destroy
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@post = Post.find_by(id: params[:id])
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-
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@post.destroy
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-
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flash[:notice] = "投稿を削除しました"
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192
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-
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redirect_to("/posts/index")
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194
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-
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end
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196
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-
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199
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def ensure_correct_user
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200
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-
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201
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-
@post = Post.find_by(id: params[:id])
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202
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-
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203
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-
if @post.user_id != @current_user.id
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204
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-
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205
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flash[:notice] = "権限がありません"
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-
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redirect_to("/posts/index")
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end
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end
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end
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217
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218
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-
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219
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-
```
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|
220
|
-
|
|
221
|
-
```ここに言語名を入力
|
|
222
|
-
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|
223
|
-
#app\views\posts\index.html.erb
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|
224
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-
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225
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<div class="container">
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226
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-
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227
227
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<% @posts.each do |post| %>
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228
228
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229
229
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<div class="posts-index-item">
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