質問編集履歴
6
誤字
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test
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@@ -140,7 +140,7 @@
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### 試したこと2
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app/models/bicycle_log.rb
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```
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```ruby
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def a
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bicycle_log_ids = BicycleLog.where.not(return_datetime: nil).group(:bicycle_id).maximum(:return_datetime).values
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Bicycle.left_joins(:bicycle_logs).merge(BicycleLog.where(id: bicycle_log_ids)).select("bicycles.*, bicycle_logs.*")
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@@ -149,7 +149,7 @@
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app/views/bicycles/index.html.slim
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-
```
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```ruby
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= render_with_pagination(paintcans) do |paintcans|
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.table-sticky.max-vh-70
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table.table.table-sm.table-bordered.table-striped.table-hover.text-nowrap
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5
yuma.inauraさんの回答を参考にしての追加事項
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test
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@@ -137,6 +137,34 @@
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省略
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```
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### 試したこと2
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app/models/bicycle_log.rb
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```
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def a
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bicycle_log_ids = BicycleLog.where.not(return_datetime: nil).group(:bicycle_id).maximum(:return_datetime).values
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Bicycle.left_joins(:bicycle_logs).merge(BicycleLog.where(id: bicycle_log_ids)).select("bicycles.*, bicycle_logs.*")
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end
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```
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app/views/bicycles/index.html.slim
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+
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```
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= render_with_pagination(paintcans) do |paintcans|
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.table-sticky.max-vh-70
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table.table.table-sm.table-bordered.table-striped.table-hover.text-nowrap
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thead
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+
tr
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tbody
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- bicycles.each do |bicycle|
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tr
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省略
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- paintcan.paintcan_logs.each do |paintcan_log|
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td= paintcan_log.a
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省略
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```
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### 補足情報（FW/ツールのバージョンなど）
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バージョン情報
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Rails 6.1.4.7
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4
誤字
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test
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@@ -63,16 +63,7 @@
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td= bicycle_log.return_datetime
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省略
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```
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-
include Order
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-
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-
app/models/
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app/models/bicycle.rb
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-
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-
scope :search, ->(params){
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result = self
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-
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result
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-
}
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-
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```ruby
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include Order
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@@ -85,9 +76,11 @@
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}
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```
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-
app/models/
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app/models/bicycle_log.rb
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```ruby
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include Order
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+
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belongs_to :bicycle, optional: false
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scope :search, ->(params){
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3
モデル、コントローラーの追加
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test
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@@ -63,16 +63,47 @@
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td= bicycle_log.return_datetime
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省略
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65
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```
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66
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+
include Order
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67
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+
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app/models/paintcan.rb
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scope :search, ->(params){
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result = self
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result
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}
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+
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```ruby
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include Order
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+
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has_many :bicycle_logs, dependent: :restrict_with_error
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scope :search, ->(params){
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result = self
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+
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result
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}
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```
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app/models/paintcan_log.rb
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```ruby
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belongs_to :bicycle, optional: false
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+
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scope :search, ->(params){
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result = self
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+
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result
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}
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+
```
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99
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+
app/controllers/bicycles_controller.rb
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+
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101
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+
```ruby
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102
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def index
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@bicycles = Bicycle
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.search(params)
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.order_by(params[:sort])
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+
end
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```
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78
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### 試したこと
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2
誤字
test
CHANGED
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File without changes
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test
CHANGED
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@@ -77,10 +77,10 @@
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77
77
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78
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### 試したこと
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79
79
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モデルにメソッドを定義し、VIEWに表示させました。以下のコメントアウトした様々な方法で返却日時であるreturn_datetimeを表示させた上で最新のデータのみを表示させようとしましたが、上手く行かず、何か思いつく方法があれば、教えて頂けると幸いです。
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-
app/models/
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80
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+
app/models/bicycle_log.rb
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81
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```ruby
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82
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def a
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|
83
|
-
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83
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+
bicycle_logs = BicycleLog
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84
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# .search(params)
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85
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# .order_by(params[:sort])
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86
86
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# .find(&:return_datetime).last
|
1
誤字
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -35,7 +35,6 @@
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35
35
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36
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### 実現したいこと
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37
37
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38
|
-
ここに実現したいことを箇条書きで書いてください。
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39
38
|
自転車一覧画面に自転車の使用履歴にある最新の返却日時のみを表示させたい。
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40
39
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40
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### 発生している問題・エラーメッセージ
|