質問編集履歴
4
コードの追記
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end
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private
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def message_params
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params.require(:message).permit(:body, :user_id)
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end
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```
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test
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@@ -40,8 +40,24 @@
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###該当のソースコード
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問題があると思われるviewのコード。
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また、今回メッセージ機能は会話「conversations」、メッセージ「messages」として関連づけて作成したので、そちらのコントローラーとモデルなども記載します。
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``views/messages/index.html.erb``
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```views/messages/index.html.erb
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<% if @over_ten %>
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<%= link_to '以前のメッセージをすべて表示', '?m=all' %>
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<% end %>
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<div class="ui segment">
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<% @messages.each do |message| %>
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@@ -86,6 +102,270 @@
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</div>
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<!-- メッセージの送信 -->
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<%= form_for [@conversation, @message], html: {class: "ui reply form"} do |f| %>
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<div class="field">
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<%= f.text_area :body, class: "form-control" %>
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</div>
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<%= f.text_field :user_id, value: current_user.id, type: "hidden" %>
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<div>
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<%= f.submit "メッセージを送る" %>
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</div>
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<% end %>
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```
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``messages_controller.rb``
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```messages_controller.rb
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class MessagesController < ApplicationController
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before_action :authenticate_user!
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before_action do
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@conversation = Conversation.find(params[:conversation_id])
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end
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def index
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@messages = @conversation.messages
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if @messages.length > 10
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@over_ten = true
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@messages = @messages[-10..-1]
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end
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if params[:m]
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@over_ten = false
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@messages = @conversation.messages
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end
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if @messages.last
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if @messages.last.user_id != current_user.id
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@messages.last.read = true
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end
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end
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@message = @conversation.messages.build
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end
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def create
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@message = @conversation.messages.build(message_params)
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if @message.save
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redirect_to conversation_messages_path(@conversation)
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end
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end
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```
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``messageモデル``
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```
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class Message < ActiveRecord::Base
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belongs_to :conversation
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belongs_to :user
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validates_presence_of :body, :conversation_id, :user_id
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def message_time
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created_at.strftime("%m/%d/%y at %l:%M %p")
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end
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end
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```
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``conversations_controller.rb``
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```
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class ConversationsController < ApplicationController
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before_action :authenticate_user!
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def index
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@users = User.all
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@conversations = Conversation.all
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end
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def create
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if Conversation.between(params[:sender_id], params[:recipient_id]).present?
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@conversation = Conversation.between(params[:sender_id], params[:recipient_id]).first
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else
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@conversation = Conversation.create!(conversation_params)
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end
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redirect_to conversation_messages_path(@conversation)
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end
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private
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def conversation_params
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params.permit(:sender_id, :recipient_id)
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end
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end
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```
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``Conversationモデル``
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```
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class Conversation < ActiveRecord::Base
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belongs_to :sender, foreign_key: :sender_id, class_name: 'User'
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belongs_to :recipient, foreign_key: :recipient_id, class_name: 'User'
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has_many :messages, dependent: :destroy
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validates_uniqueness_of :sender_id, scope: :recipient_id
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scope :between, -> (sender_id,recipient_id) do
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where("(conversations.sender_id = ? AND conversations.recipient_id =?) OR (conversations.sender_id = ? AND conversations.recipient_id =?)", sender_id,recipient_id, recipient_id, sender_id)
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end
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def target_user(current_user)
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if sender_id == current_user.id
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User.find(recipient_id)
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elsif recipient_id == current_user.id
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User.find(sender_id)
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end
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end
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end
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```
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331
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``データベーステーブル``
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```
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334
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create_table "messages", force: :cascade do |t|
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336
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t.text "body"
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338
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339
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t.integer "conversation_id"
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t.integer "user_id"
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t.boolean "read", default: false
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t.datetime "created_at", null: false
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t.datetime "updated_at", null: false
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348
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349
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end
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350
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351
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add_index "messages", ["conversation_id"], name: "index_messages_on_conversation_id", using: :btree
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add_index "messages", ["user_id"], name: "index_messages_on_user_id", using: :btree
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354
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355
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356
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357
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create_table "conversations", force: :cascade do |t|
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358
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359
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t.integer "sender_id"
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360
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361
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t.integer "recipient_id"
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362
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363
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t.datetime "created_at", null: false
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364
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365
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t.datetime "updated_at", null: false
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366
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367
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end
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368
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89
369
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```
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90
370
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91
371
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2
エラー内容の追記
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -17,6 +17,22 @@
|
|
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17
17
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18
18
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19
19
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最初に試してみたときは正常に表示できたのですが、機能テストのためユーザーを増やして試してみたところ、先ほどの``Couldn't find User with 'id'=``というエラーになってしまいました。
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20
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21
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22
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23
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あと、
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24
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25
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```
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26
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|
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27
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<% if @over_ten %>
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28
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29
|
+
<%= link_to '以前のメッセージをすべて表示', '?m=all' %>
|
|
30
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+
|
|
31
|
+
<% end %>
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32
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33
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```
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34
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+
|
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35
|
+
とこのように10件以上の表示はリンクをクリックして表示させているのですが、正常に表示さえているユーザーとのメッセージもこのリンクをクリックすると``Couldn't find User with 'id'=``と同じようにエラーになってしまいます。
|
|
20
36
|
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21
37
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22
38
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1
初心者マークを追加
test
CHANGED
|
File without changes
|
test
CHANGED
|
File without changes
|