質問編集履歴
1
コードを直しました
test
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test
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@@ -7,6 +7,8 @@
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```ruby
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belongs_to :from, class_name: "User"
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belongs_to :to, class_name: "User"
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```
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@@ -20,7 +22,13 @@
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foreign_key: "from_id", , dependent: :destroy
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has_many :to_messages, class_name: "Message",
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foreign_key: "to_id", dependent: :destroy
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has_many :sent_messages, through: :from_messages, source: :from
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has_many :received_messages, through: :to_messages, source: :to
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```
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