Class: Flexite::Diff::ApplyService

Inherits:
Object
  • Object
show all
Defined in:
app/services/flexite/diff/apply_service.rb

Instance Method Summary collapse

Constructor Details

#initialize(stage, checksum) ⇒ ApplyService

Returns a new instance of ApplyService.



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# File 'app/services/flexite/diff/apply_service.rb', line 4

def initialize(stage, checksum)
  @stage = stage
  @checksum = checksum
end

Instance Method Details

#call ⇒ Object 



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# File 'app/services/flexite/diff/apply_service.rb', line 9

def call
  diffs = Flexite.cache.read("#{Flexite.state_digest}-#{@checksum}-#{@stage}-diffs")

  if diffs.blank?
    Flexite.cache.delete_matched(/-#{@stage}-hashdiffs/)
    return { error: 'Difference is inconsistent', code: 400 }
  end

  Config.transaction(requires_new: true) do
    Entry.transaction do
      handle_delete(diffs[:-])
      handle_add(diffs[:+])
      handle_change(diffs[:~])
    end
  end

  { message: 'Difference was applied', code: 200 }
rescue => exc
  { error: exc.message, code: 500 }
end