2017-08-31 00:06:56 -04:00
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class BackfillIncomingEmails < ActiveRecord::Migration[4.2]
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2016-01-18 18:57:55 -05:00
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def up
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execute <<-SQL
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INSERT INTO incoming_emails (post_id, created_at, updated_at, user_id, topic_id, message_id, from_address, to_addresses, subject)
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SELECT posts.id
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, posts.created_at
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, posts.created_at
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, posts.user_id
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, posts.topic_id
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, array_to_string(regexp_matches(posts.raw_email, '^\s*Message-Id: .*<([^>]+)>', 'im'), '')
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, users.email
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, array_to_string(regexp_matches(array_to_string(regexp_matches(posts.raw_email, '^to:.+$', 'im'), ''), '[^<\s"''(]+@[^>\s"'')]+'), '')
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, topics.title
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FROM posts
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JOIN topics ON posts.topic_id = topics.id
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JOIN users ON posts.user_id = users.id
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WHERE posts.user_id IS NOT NULL
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AND posts.topic_id IS NOT NULL
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AND posts.via_email = 't'
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AND posts.raw_email ~* 'Message-Id'
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ORDER BY posts.id;
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SQL
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end
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def down
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raise ActiveRecord::IrreversibleMigration
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end
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end
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