質問編集履歴
1
Many-to-Many(has_many_through) で project と user を更新できるようモデル内を書き換えました。
test
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File without changes
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test
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@@ -16,7 +16,7 @@
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has_many :user_projects
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-
a
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+
has_many :projects, through: :user_projects
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end
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@@ -29,6 +29,8 @@
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class Project < ApplicationRecord
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has_many :user_projects
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+
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has_many :users, through: :user_projects
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end
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