about summary refs log tree commit diff
path: root/app/services/import_service.rb
blob: c1c88e0dde7fc61ece4a30da25d961c126a71b89 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
# 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)
  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)
  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)
    items = @data.take(limit).map { |row| [row['Account address']&.strip, row['Hide notifications']&.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, ActiveModel::Type::Boolean.new.cast(extra))
        else
          Import::RelationshipWorker.perform_async(@account.id, target_account.acct, undo_action)
        end
      end
    end

    Import::RelationshipWorker.push_bulk(items) do |acct, extra|
      [@account.id, acct, action, ActiveModel::Type::Boolean.new.cast(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