Class: Spotlight::ExhibitImportExportService

Inherits:
Object
  • Object
show all
Defined in:
app/services/spotlight/exhibit_import_export_service.rb

Overview

Utility service for importing and exporting exhibit data

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(exhibit, include: Spotlight::Engine.config.exports) ⇒ ExhibitImportExportService

Returns a new instance of ExhibitImportExportService.



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# File 'app/services/spotlight/exhibit_import_export_service.rb', line 22

def initialize(exhibit, include: Spotlight::Engine.config.exports)
  @exhibit = exhibit
  @include = include
end

Instance Attribute Details

#exhibit ⇒ Object (readonly)

Returns the value of attribute exhibit.



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# File 'app/services/spotlight/exhibit_import_export_service.rb', line 20

def exhibit
  @exhibit
end

#include ⇒ Object (readonly)

Returns the value of attribute include.



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# File 'app/services/spotlight/exhibit_import_export_service.rb', line 20

def include
  @include
end

Instance Method Details

#as_json(*_args) ⇒ Object 



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# File 'app/services/spotlight/exhibit_import_export_service.rb', line 226

def as_json(*_args)
  self.class.serialization_pipeline.inject({}) do |memo, step|
    method(step).call(memo)
  end
end

#deserialize_featured_image(obj, method, data) ⇒ Object 



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# File 'app/services/spotlight/exhibit_import_export_service.rb', line 210

def deserialize_featured_image(obj, method, data)
  file = data.delete(:image)
  image = obj.public_send("build_#{method}")
  image.update(data)
  if file
    image.image = CarrierWave::SanitizedFile.new tempfile: StringIO.new(Base64.decode64(file[:content])),
                                                 filename: file[:filename],
                                                 content_type: file[:content_type]
    # Unset the iiif_tilesource field as the new image should be different, because
    # the source has been reloaded
    image.iiif_tilesource = nil
  end
  image.save!
  obj.update(method => image)
end

#from_hash!(hash) ⇒ Object 



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# File 'app/services/spotlight/exhibit_import_export_service.rb', line 27

def from_hash!(hash)
  hash = hash.deep_symbolize_keys.reverse_merge(
    main_navigations: {},
    contact_emails: {},
    searches: {},
    about_pages: {},
    feature_pages: {},
    contacts: {},
    custom_fields: {},
    solr_document_sidecars: {},
    resources: {},
    attachments: {},
    languages: {},
    translations: {},
    owned_taggings: {},
    groups: {}
  )

  exhibit_attributes = hash.reject { |_k, v| v.is_a?(Array) || v.is_a?(Hash) }
  exhibit.update(exhibit_attributes.except(:theme))
  exhibit.theme = exhibit_attributes[:theme] if exhibit.themes.include? exhibit_attributes[:theme]

  deserialize_featured_image(exhibit, :masthead, hash[:masthead]) if hash[:masthead]
  deserialize_featured_image(exhibit, :thumbnail, hash[:thumbnail]) if hash[:thumbnail]

  exhibit.blacklight_configuration.update hash[:blacklight_configuration].with_indifferent_access if hash[:blacklight_configuration]

  hash[:main_navigations].each do |attr|
    ar = exhibit.main_navigations.find_or_initialize_by(nav_type: attr[:nav_type])
    ar.update(attr)
  end

  hash[:contact_emails].each do |attr|
    ar = exhibit.contact_emails.find_or_initialize_by(email: attr[:email])
    ar.update(attr)
  end

  hash[:groups].each do |attr|
    gr = exhibit.groups.find_or_initialize_by(slug: attr[:slug])
    gr.update(attr)
  end

  hash[:searches].each do |attr|
    group_slugs = attr.delete(:group_slugs) || []
    masthead = attr.delete(:masthead)
    thumbnail = attr.delete(:thumbnail)

    ar = exhibit.searches.find_or_initialize_by(slug: attr[:slug])
    ar.update(attr)

    ar.update(groups: exhibit.groups.select { |x| group_slugs.include? x.slug })

    deserialize_featured_image(ar, :masthead, masthead) if masthead
    deserialize_featured_image(ar, :thumbnail, thumbnail) if thumbnail
  end

  hash[:about_pages].each do |attr|
    masthead = attr.delete(:masthead)
    thumbnail = attr.delete(:thumbnail)
    translated_pages = attr.delete(:translated_pages) || []

    ar = exhibit.about_pages.find_or_initialize_by(slug: attr[:slug])
    ar.update(attr)

    deserialize_featured_image(ar, :masthead, masthead) if masthead
    deserialize_featured_image(ar, :thumbnail, thumbnail) if thumbnail

    translated_pages.each do |tattr|
      masthead = tattr.delete(:masthead)
      thumbnail = tattr.delete(:thumbnail)

      tar = ar.translated_page_for(tattr[:locale]) || ar.clone_for_locale(tattr[:locale])
      tar.update(tattr)

      deserialize_featured_image(ar, :masthead, masthead) if masthead
      deserialize_featured_image(ar, :thumbnail, thumbnail) if thumbnail
    end
  end

  hash[:feature_pages].each do |attr|
    masthead = attr.delete(:masthead)
    thumbnail = attr.delete(:thumbnail)

    ar = exhibit.feature_pages.find_or_initialize_by(slug: attr[:slug])
    ar.update(attr.except(:parent_page_slug, :translated_pages))

    deserialize_featured_image(ar, :masthead, masthead) if masthead
    deserialize_featured_image(ar, :thumbnail, thumbnail) if thumbnail
  end

  feature_pages = exhibit.feature_pages.index_by(&:slug)
  hash[:feature_pages].each do |attr|
    next unless attr[:parent_page_slug]

    feature_pages[attr[:slug]].parent_page_id = feature_pages[attr[:parent_page_slug]].id
  end

  hash[:feature_pages].each do |attr|
    ar = exhibit.feature_pages.find_or_initialize_by(slug: attr[:slug])

    (attr[:translated_pages] || []).each do |tattr|
      masthead = tattr.delete(:masthead)
      thumbnail = tattr.delete(:thumbnail)

      tar = ar.translated_page_for(tattr[:locale]) || ar.clone_for_locale(tattr[:locale])
      tar.update(tattr)

      deserialize_featured_image(ar, :masthead, masthead) if masthead
      deserialize_featured_image(ar, :thumbnail, thumbnail) if thumbnail
    end
  end

  if hash[:home_page]
    translated_pages = hash[:home_page].delete(:translated_pages) || []
    exhibit.home_page.update(hash[:home_page].except(:thumbnail))
    deserialize_featured_image(exhibit.home_page, :thumbnail, hash[:home_page][:thumbnail]) if hash[:home_page][:thumbnail]

    translated_pages.each do |tattr|
      masthead = tattr.delete(:masthead)
      thumbnail = tattr.delete(:thumbnail)

      tar = exhibit.home_page.translated_page_for(tattr[:locale]) || exhibit.home_page.clone_for_locale(tattr[:locale])
      tar.update(tattr)

      deserialize_featured_image(ar, :masthead, masthead) if masthead
      deserialize_featured_image(ar, :thumbnail, thumbnail) if thumbnail
    end
  end

  hash[:contacts].each do |attr|
    avatar = attr.delete(:avatar)

    ar = exhibit.contacts.find_or_initialize_by(slug: attr[:slug])
    ar.update(attr)

    deserialize_featured_image(ar, :avatar, avatar) if avatar
  end

  hash[:custom_fields].each do |attr|
    ar = exhibit.custom_fields.find_or_initialize_by(slug: attr[:slug])
    ar.update(attr)
  end

  hash[:solr_document_sidecars].each do |attr|
    ar = exhibit.solr_document_sidecars.find_or_initialize_by(document_id: attr[:document_id])
    ar.update(attr)
  end

  hash[:resources].each do |attr|
    upload = attr.delete(:upload)

    ar = exhibit.resources.find_or_initialize_by(type: attr[:type], url: attr[:url])
    ar.update(attr)

    deserialize_featured_image(ar, :upload, upload) if upload
  end

  hash[:attachments].each do |attr|
    file = attr.delete(:file)

    # dedupe by something??
    ar = exhibit.attachments.build(attr)
    ar.file = CarrierWave::SanitizedFile.new tempfile: StringIO.new(Base64.decode64(file[:content])),
                                             filename: file[:filename],
                                             content_type: file[:content_type]
  end

  hash[:languages].each do |attr|
    ar = exhibit.languages.find_or_initialize_by(locale: attr[:locale])
    ar.update(attr)
  end

  hash[:translations].each do |attr|
    ar = exhibit.translations.find_or_initialize_by(locale: attr[:locale], key: attr[:key])
    ar.update(attr)
  end

  hash[:owned_taggings].each do |attr|
    tag = ActsAsTaggableOn::Tag.find_or_create_by(name: attr[:tag][:name])
    exhibit.owned_taggings.build(attr.except(:tag).merge(tag_id: tag.id))
  end
end