質問編集履歴
3
new画面
test
CHANGED
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@@ -1 +1 @@
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1
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-
undefined method `new' for nil:NilClass またはparamsエラー
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1
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+
newundefined method `new' for nil:NilClass またはparamsエラー
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test
CHANGED
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@@ -36,9 +36,7 @@
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36
36
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@book = Book.find(params[:book_id])
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-
@message = @book.message
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40
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-
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@message = @message
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39
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+
@message = @book.build_message(message_params)
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if @message.save!
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@@ -56,11 +54,13 @@
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def message_params
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56
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59
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-
params.require(:message).permit(:text).merge(
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57
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+
params.require(:message).permit(:text).merge(user_id: current_user.id)
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60
58
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61
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end
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end
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+
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+
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@@ -74,37 +74,31 @@
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```
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-
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77
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+
h1 class = "top-messsage"><%="#{@book.name}"%></h1>
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80
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-
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81
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-
<div id='messages'>
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81
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<% @messages.reverse_each do |message| %>
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<div class = "message-head">
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84
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87
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-
<div
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85
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+
<div id='messages'>
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86
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89
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-
<
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<i><%= message.text %></i>
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90
88
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91
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-
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+
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90
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93
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-
<
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91
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+
<%= message.user.nickname%>
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92
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95
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<%= message.user.nickname%>
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96
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-
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<p> <%= message.created_at%></p>
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-
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93
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</div>
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94
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95
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<% end %>
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-
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</div>
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<div class="box-new">
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106
100
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107
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-
<%= form_with
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<%= form_with model: @message, url: book_messages_path,local: true do |f| %>
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108
102
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103
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<%= f.text_field :text, id: "message_text" %>
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@@ -112,15 +106,13 @@
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112
106
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<% end %>
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108
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109
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+
<div class="message-new">
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115
110
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111
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<i class="container2"> <%= link_to 'home', "/", class: "btn-open3" %></i>
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+
</div>
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118
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-
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119
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-
<%= link_to '戻る', "/", class: "finish-btn" %></li>
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120
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-
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121
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-
</div>
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</div>
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-
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-
</div>
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116
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```
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118
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2
ご回答ありがとうございます！ やはりこれでもダメそうです（泣）
test
CHANGED
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File without changes
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test
CHANGED
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@@ -142,11 +142,9 @@
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142
142
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143
143
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@book = Book.find(params[:book_id])
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144
144
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145
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-
@message = @book.message
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145
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+
@message = @book.build_message(message_params)
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146
146
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147
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-
@message = @messages.new(message_params)
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148
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-
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149
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-
if @message.save
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147
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+
if @message.save
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150
148
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151
149
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```
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152
150
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1
paramsに値が入らない!!
test
CHANGED
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File without changes
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test
CHANGED
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File without changes
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