chinwagsocial/app/services/import_service.rb
2020-06-09 10:26:58 +02:00

104 lines
3.1 KiB
Ruby

# frozen_string_literal: true
require 'csv'
class ImportService < BaseService
ROWS_PROCESSING_LIMIT = 20_000
def call(import)
@import = import
@account = @import.account
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!
parse_import_data!(['Account address'])
import_relationships!('follow', 'unfollow', @account.following, follow_limit, reblogs: 'Show boosts')
end
def import_blocks!
parse_import_data!(['Account address'])
import_relationships!('block', 'unblock', @account.blocking, ROWS_PROCESSING_LIMIT)
end
def import_mutes!
parse_import_data!(['Account address'])
import_relationships!('mute', 'unmute', @account.muting, ROWS_PROCESSING_LIMIT, notifications: 'Hide notifications')
end
def import_domain_blocks!
parse_import_data!(['#domain'])
items = @data.take(ROWS_PROCESSING_LIMIT).map { |row| row['#domain'].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, extra_fields = {})
local_domain_suffix = "@#{Rails.configuration.x.local_domain}"
items = @data.take(limit).map { |row| [row['Account address']&.strip&.delete_suffix(local_domain_suffix), Hash[extra_fields.map { |key, header| [key, row[header]&.strip] }]] }.reject { |(id, _)| id.blank? }
if @import.overwrite?
presence_hash = items.each_with_object({}) { |(id, extra), mapping| mapping[id] = [true, extra] }
overwrite_scope.find_each do |target_account|
if presence_hash[target_account.acct]
items.delete(target_account.acct)
extra = presence_hash[target_account.acct][1]
Import::RelationshipWorker.perform_async(@account.id, target_account.acct, action, extra)
else
Import::RelationshipWorker.perform_async(@account.id, target_account.acct, undo_action)
end
end
end
head_items = items.uniq { |acct, _| acct.split('@')[1] }
tail_items = items - head_items
Import::RelationshipWorker.push_bulk(head_items + tail_items) do |acct, extra|
[@account.id, acct, action, extra]
end
end
def parse_import_data!(default_headers)
data = CSV.parse(import_data, headers: true)
data = CSV.parse(import_data, headers: default_headers) unless data.headers&.first&.strip&.include?(' ')
@data = data.reject(&:blank?)
end
def import_data
Paperclip.io_adapters.for(@import.data).read
end
def follow_limit
FollowLimitValidator.limit_for_account(@account)
end
end