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# frozen_string_literal: true
require 'csv'
class ImportService < BaseService
ROWS_PROCESSING_LIMIT = 20_000
def call(import)
@import = import
@account = @import.account
@data = CSV.new(import_data).reject(&:blank?)
case @import.type
when 'following'
import_follows!
when 'blocking'
import_blocks!
when 'muting'
import_mutes!
when 'domain_blocking'
import_domain_blocks!
end
end
private
def import_follows!
import_relationships!('follow', 'unfollow', @account.following, follow_limit)
end
def import_blocks!
import_relationships!('block', 'unblock', @account.blocking, ROWS_PROCESSING_LIMIT)
end
def import_mutes!
import_relationships!('mute', 'unmute', @account.muting, ROWS_PROCESSING_LIMIT)
end
def import_domain_blocks!
items = @data.take(ROWS_PROCESSING_LIMIT).map { |row| row.first.strip }
if @import.overwrite?
presence_hash = items.each_with_object({}) { |id, mapping| mapping[id] = true }
@account.domain_blocks.find_each do |domain_block|
if presence_hash[domain_block.domain]
items.delete(domain_block.domain)
else
@account.unblock_domain!(domain_block.domain)
end
end
end
items.each do |domain|
@account.block_domain!(domain)
end
AfterAccountDomainBlockWorker.push_bulk(items) do |domain|
[@account.id, domain]
end
end
def import_relationships!(action, undo_action, overwrite_scope, limit)
items = @data.take(limit).map { |row| row.first.strip }
if @import.overwrite?
presence_hash = items.each_with_object({}) { |id, mapping| mapping[id] = true }
overwrite_scope.find_each do |target_account|
if presence_hash[target_account.acct]
items.delete(target_account.acct)
else
Import::RelationshipWorker.perform_async(@account.id, target_account.acct, undo_action)
end
end
end
Import::RelationshipWorker.push_bulk(items) do |acct|
[@account.id, acct, action]
end
end
def import_data
Paperclip.io_adapters.for(@import.data).read
end
def follow_limit
FollowLimitValidator.limit_for_account(@account)
end
end
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