Class: Nochmal::Adapters::ActiveStorage

Inherits:
Base
  • Object
show all
Defined in:
lib/nochmal/adapters/active_storage.rb

Overview

Handles active storage specifics for the Reupload Task

Instance Method Summary collapse

Methods inherited from Base

#count, #empty_collection?, #general_notes, #initialize, #item_completed, #list, #model_completed, #setup, #teardown, #type_completed, #type_notes

Constructor Details

This class inherits a constructor from Nochmal::Adapters::Base

Instance Method Details

#attachment_types_for(model) ⇒ Object 



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# File 'lib/nochmal/adapters/active_storage.rb', line 35

def attachment_types_for(model)
  @types[model] ||=
    model
    .methods
    .map { |method| method.to_s.match(/^with_attached_(\w+)$/)&.captures&.first }
    .compact
end

#blob(attachment) ⇒ Object 



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# File 'lib/nochmal/adapters/active_storage.rb', line 49

def blob(attachment)
  attachment.blob
end

#collection(model, type) ⇒ Object 



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# File 'lib/nochmal/adapters/active_storage.rb', line 43

def collection(model, type)
  ::ActiveStorage::Attachment
    .where(name: type)
    .where(record_type: model.base_class.sti_name)
end

#from_storage_service(service = @from) ⇒ Object 



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# File 'lib/nochmal/adapters/active_storage.rb', line 18

def from_storage_service(service = @from)
  storage_service(service)
end

#models_with_attachments ⇒ Object 



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# File 'lib/nochmal/adapters/active_storage.rb', line 22

def models_with_attachments
  @models_with_attachments ||= begin
    Rails.application.eager_load!

    ::ActiveStorage::Attachment
      .select(:record_type).distinct.pluck(:record_type)
      .compact.map(&:constantize)
      .map do |model|
        ([model] + model.descendants).find { |child_or_self| attachment?(child_or_self) }
      end
  end
end

#reupload(attachment, _type) ⇒ Object

actions



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# File 'lib/nochmal/adapters/active_storage.rb', line 55

def reupload(attachment, _type)
  blob = blob(attachment)

  StringIO.open(from_storage_service.download(blob.key)) do |temp|
    to_storage_service.upload(blob.key, temp)
  end

  { status: :ok }
end

#to_storage_service(service = @to) ⇒ Object 



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# File 'lib/nochmal/adapters/active_storage.rb', line 14

def to_storage_service(service = @to)
  storage_service(service)
end

#validate ⇒ Object 



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# File 'lib/nochmal/adapters/active_storage.rb', line 7

def validate
  services_differ = (@to != @from)
  message = "It does not make sense to migrate from one service to the same one. from and to should differ."

  raise message unless services_differ
end