discourse/db/migrate/20190315174428_migrate_flag...

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# frozen_string_literal: true
class MigrateFlagHistory < ActiveRecord::Migration[5.2]
def up
# Migrate Created History
execute(<<~SQL)
INSERT INTO reviewable_histories (
reviewable_id,
reviewable_history_type,
status,
created_by_id,
created_at,
updated_at
)
SELECT r.id,
0,
0,
r.created_by_id,
r.created_at,
r.created_at
FROM reviewables AS r
WHERE r.type = 'ReviewableFlaggedPost'
AND (
NOT EXISTS(
SELECT 1
FROM reviewable_histories AS rh
WHERE rh.reviewable_id = r.id
AND rh.reviewable_history_type = 0
)
)
SQL
# Approved
execute(<<~SQL)
INSERT INTO reviewable_histories (
reviewable_id,
reviewable_history_type,
status,
created_by_id,
created_at,
updated_at
)
SELECT r.id,
1,
1,
pa.agreed_by_id,
pa.agreed_at,
pa.agreed_at
FROM reviewables AS r
INNER JOIN post_actions AS pa ON pa.post_id = r.target_id
WHERE r.type = 'ReviewableFlaggedPost'
AND pa.agreed_at IS NOT NULL
AND pa.agreed_by_id IS NOT NULL
SQL
# Rejected
execute(<<~SQL)
INSERT INTO reviewable_histories (
reviewable_id,
reviewable_history_type,
status,
created_by_id,
created_at,
updated_at
)
SELECT r.id,
1,
2,
pa.disagreed_by_id,
pa.disagreed_at,
pa.disagreed_at
FROM reviewables AS r
INNER JOIN post_actions AS pa ON pa.post_id = r.target_id
WHERE r.type = 'ReviewableFlaggedPost'
AND pa.disagreed_at IS NOT NULL
AND pa.disagreed_by_id IS NOT NULL
SQL
# Ignored
execute(<<~SQL)
INSERT INTO reviewable_histories (
reviewable_id,
reviewable_history_type,
status,
created_by_id,
created_at,
updated_at
)
SELECT r.id,
1,
3,
pa.deferred_by_id,
pa.deferred_at,
pa.deferred_at
FROM reviewables AS r
INNER JOIN post_actions AS pa ON pa.post_id = r.target_id
WHERE r.type = 'ReviewableFlaggedPost'
AND pa.deferred_at IS NOT NULL
AND pa.deferred_by_id IS NOT NULL
SQL
# Deleted
execute(<<~SQL)
INSERT INTO reviewable_histories (
reviewable_id,
reviewable_history_type,
status,
created_by_id,
created_at,
updated_at
)
SELECT r.id,
1,
4,
pa.deleted_by_id,
pa.deleted_at,
pa.deleted_at
FROM reviewables AS r
INNER JOIN post_actions AS pa ON pa.post_id = r.target_id
WHERE r.type = 'ReviewableFlaggedPost'
AND pa.deleted_at IS NOT NULL
AND pa.deleted_by_id IS NOT NULL
SQL
end
def down
execute(<<~SQL)
DELETE FROM reviewable_histories
WHERE reviewable_id IN (SELECT id FROM reviewables WHERE type = 'ReviewableFlaggedPost')
SQL
end
end