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