a92e82326b
This model is added by the devise-security gem, but we don't use it. We
were getting an error while migrating:
ActiveRecord::StatementInvalid: PG::UndefinedTable: ERROR: relation "old_passwords" does not exist
LINE 8: WHERE a.attrelid = '"old_passwords"'::regclas...
^
SELECT a.attname, format_type(a.atttypid, a.atttypmod),
pg_get_expr(d.adbin, d.adrelid), a.attnotnull, a.atttypid, a.atttypmod,
c.collname, col_description(a.attrelid, a.attnum) AS comment
FROM pg_attribute a
LEFT JOIN pg_attrdef d ON a.attrelid = d.adrelid AND a.attnum = d.adnum
LEFT JOIN pg_type t ON a.atttypid = t.oid
LEFT JOIN pg_collation c ON a.attcollation = c.oid AND a.attcollation <> t.typcollation
WHERE a.attrelid = '"old_passwords"'::regclass
AND a.attnum > 0 AND NOT a.attisdropped
ORDER BY a.attnum
lib/tasks/active_storage.rake:27:in `block (4 levels) in <top (required)>'
lib/tasks/active_storage.rake:26:in `each'
lib/tasks/active_storage.rake:26:in `block (3 levels) in <top (required)>'
lib/tasks/active_storage.rake:25:in `block (2 levels) in <top (required)>'
Caused by:
PG::UndefinedTable: ERROR: relation "old_passwords" does not exist
76 lines
2.6 KiB
Ruby
76 lines
2.6 KiB
Ruby
# This code is based on Thoughtbot's guide to migrating from Paperclip
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# to Active Storage:
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# https://github.com/thoughtbot/paperclip/blob/master/MIGRATING.md
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namespace :active_storage do
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desc "Copy paperclip's attachment database columns to active storage"
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task migrate_from_paperclip: :environment do
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logger = ApplicationLogger.new
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get_blob_id = "LASTVAL()"
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ActiveRecord::Base.connection.raw_connection.prepare("active_storage_blob_statement", <<-SQL)
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INSERT INTO active_storage_blobs (
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key, filename, content_type, metadata, byte_size, checksum, created_at
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) VALUES ($1, $2, $3, '{}', $4, $5, $6)
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SQL
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ActiveRecord::Base.connection.raw_connection.prepare("active_storage_attachment_statement", <<-SQL)
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INSERT INTO active_storage_attachments (
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name, record_type, record_id, blob_id, created_at
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) VALUES ($1, $2, $3, #{get_blob_id}, $4)
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SQL
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Rails.application.eager_load!
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models = ActiveRecord::Base.descendants.reject(&:abstract_class?)
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ActiveRecord::Base.transaction do
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models.each do |model|
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next if model.name == "OldPassword" && !model.table_exists?
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attachments = model.column_names.map do |c|
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if c =~ /(.+)_file_name$/
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$1
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end
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end.compact
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if attachments.blank?
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next
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end
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model.find_each.each do |instance|
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attachments.each do |attachment|
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next if instance.send(attachment).path.blank?
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ActiveRecord::Base.connection.raw_connection.exec_prepared(
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"active_storage_blob_statement", [
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SecureRandom.uuid, # Alternatively instance.send("#{attachment}_file_name"),
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instance.send("#{attachment}_file_name"),
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instance.send("#{attachment}_content_type"),
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instance.send("#{attachment}_file_size"),
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Digest::MD5.base64digest(File.read(instance.send(attachment).path)),
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instance.updated_at.iso8601
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])
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ActiveRecord::Base.connection.raw_connection.exec_prepared(
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"active_storage_attachment_statement", [
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attachment,
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model.name,
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instance.id,
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instance.updated_at.iso8601
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])
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end
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end
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end
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end
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ActiveStorage::Attachment.find_each do |attachment|
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dest = ActiveStorage::Blob.service.path_for(attachment.blob.key)
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name = attachment.name
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source = attachment.record.send(name).path
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FileUtils.mkdir_p(File.dirname(dest))
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logger.info "Copying #{source} to #{dest}"
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FileUtils.cp(source, dest)
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end
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end
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end
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