質問編集履歴
3
Error追加
test
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File without changes
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test
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@@ -158,13 +158,13 @@
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158
158
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159
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tr
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160
160
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161
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-
td = area.restaurant.restaurant_type
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161
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+
td = area.restaurants.restaurant_type
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162
162
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163
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-
td = link_to area.restaurant.restaurant_translations.with_lang.first.restaurantname, (url_for controller:'restaurant', trailing_slash: true) + area.restaurant.id.to_s
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163
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+
td = link_to area.restaurants.restaurant_translations.with_lang.first.restaurantname, (url_for controller:'restaurant', trailing_slash: true) + area.restaurants.id.to_s
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164
164
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165
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-
td = link_to 'official', area.restaurant.url
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165
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+
td = link_to 'official', area.restaurants.url
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166
166
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167
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-
td = area.restaurant.genre
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167
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+
td = area.restaurants.genre
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168
168
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169
169
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```
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170
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@@ -172,4 +172,4 @@
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172
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173
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Error内容はこちらです。
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174
174
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175
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-
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2
Error表示追加
test
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File without changes
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test
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@@ -167,3 +167,9 @@
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167
167
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td = area.restaurant.genre
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168
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169
169
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```
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170
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+
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171
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+
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172
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+
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173
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+
Error内容はこちらです。
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174
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+
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175
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+
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1
ソース追加
test
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File without changes
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test
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@@ -19,3 +19,151 @@
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19
19
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20
20
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21
21
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Areaテーブルのid=1に紐づくRestaurantTranslationの情報（例：restaurantname）を取得するにはどのようにしたらいいでしょうか？
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22
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+
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23
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+
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24
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25
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+
【追記】
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26
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27
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+
実はErrorが出ていて、
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28
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+
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29
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+
Association named 'restaurant_translations' was not found on Area; perhaps you misspelled it?
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30
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+
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31
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+
となってしまいます。
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32
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+
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33
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34
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35
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URLでIDを指定しているので、それに紐付いたrestaurantとrestaurant情報が全部出力したい感じです。
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36
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+
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37
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+
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38
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39
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+
ソースを提示します。Controllerはこちらです。
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40
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41
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42
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43
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+
```ruby
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44
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45
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+
class AreaController < ApplicationController
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46
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+
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47
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+
def index
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48
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+
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49
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+
@areas = Area.all
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50
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+
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51
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end
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52
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53
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54
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55
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+
def show
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56
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+
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57
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+
@areas = Area.includes(:area_translations, :restaurants, :restaurant_translations).where(id: params[:id])
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58
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+
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59
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+
end
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60
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61
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end
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62
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63
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```
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64
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+
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65
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66
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67
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+
Modelはこちらです。
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68
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69
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70
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+
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71
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+
```ruby
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72
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73
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class Area < ActiveRecord::Base
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74
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75
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has_many :area_translations
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76
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77
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+
has_many :restaurants
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78
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79
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end
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80
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+
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81
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82
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83
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+
class Restaurant < ActiveRecord::Base
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84
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+
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85
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has_many :restaurant_translations
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86
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+
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87
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+
has_many :menus
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88
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+
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89
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+
has_many :reviews
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90
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+
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91
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+
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92
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+
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93
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+
belongs_to :areas
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94
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+
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95
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+
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96
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+
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97
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+
end
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98
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+
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99
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100
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+
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101
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+
class RestaurantTranslation < ActiveRecord::Base
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102
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+
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103
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+
self.table_name = 'restaurant_translations'
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104
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+
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105
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+
belongs_to :restaurants
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106
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+
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107
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+
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108
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+
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109
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scope :with_lang , -> { where(lang: I18n.locale )}
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110
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+
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111
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+
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112
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+
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113
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end
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114
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+
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115
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+
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116
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+
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117
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+
class AreaTranslation < ActiveRecord::Base
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|
118
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+
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119
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+
belongs_to :areas
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|
120
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+
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121
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+
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122
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+
|
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123
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+
scope :with_lang , -> { where(lang: I18n.locale )}
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124
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+
|
|
125
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+
end
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126
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+
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127
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+
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128
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+
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129
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+
```
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|
130
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+
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131
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+
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132
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+
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133
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+
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134
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+
|
|
135
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+
View(slim)はこちらです。
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136
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+
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137
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+
|
|
138
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+
|
|
139
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+
```ruby
|
|
140
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+
|
|
141
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+
table
|
|
142
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+
|
|
143
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+
thead
|
|
144
|
+
|
|
145
|
+
tr
|
|
146
|
+
|
|
147
|
+
th = t :restaurant_list_type
|
|
148
|
+
|
|
149
|
+
th = t :restaurant_list_name
|
|
150
|
+
|
|
151
|
+
th = t :restaurant_list_url
|
|
152
|
+
|
|
153
|
+
th = t :restaurant_list_genre
|
|
154
|
+
|
|
155
|
+
tbody
|
|
156
|
+
|
|
157
|
+
- @areas.each do |area|
|
|
158
|
+
|
|
159
|
+
tr
|
|
160
|
+
|
|
161
|
+
td = area.restaurant.restaurant_type
|
|
162
|
+
|
|
163
|
+
td = link_to area.restaurant.restaurant_translations.with_lang.first.restaurantname, (url_for controller:'restaurant', trailing_slash: true) + area.restaurant.id.to_s
|
|
164
|
+
|
|
165
|
+
td = link_to 'official', area.restaurant.url
|
|
166
|
+
|
|
167
|
+
td = area.restaurant.genre
|
|
168
|
+
|
|
169
|
+
```
|