Module: Card::Set::Abstract::Attachment::StorageType

Extended by:
Card::Set
Defined in:
tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb

Constant Summary

Constants included from Helpers

Helpers::SET_PATTERN_TEST_REGEXP

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Card::Set

reset_modules

Methods included from I18nScope

#mod_name, #scope

Methods included from Loader

#clean_empty_module_from_hash, #clean_empty_modules, #extended, #process_base_modules, #register_set

Methods included from Helpers

#method_missing, #num_set_parts, #pattern_code, #respond_to_missing?, #set_name_parts, #shortname, #underscore

Methods included from Card::Set::AdvancedApi

#attachment, #ensure_set, #stage_method

Methods included from Format

#before, #format, layout_method_name, #view, view_method_name, view_setting_method_name, wrapper_method_name

Methods included from Inheritance

#include_set, #include_set_formats

Methods included from Basket

#abstract_basket, #add_to_basket, #basket, #unshift_basket

Methods included from Trait

#card_accessor, #card_reader, #card_writer, #require_field

Methods included from Event::Api

#event

Instance Attribute Details

#bucket ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 147

def bucket
  @bucket ||= cloud? &&
              ((new_card? && bucket_from_config) || bucket_from_content ||
                bucket_from_config)
end

#storage_type ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 218

def storage_type
  @storage_type ||=
    new_card? ? storage_type_from_config : storage_type_from_content
end

Instance Method Details

#bucket_config ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 153

def bucket_config
  @bucket_config ||= load_bucket_config
end

#bucket_from_config ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 213

def bucket_from_config
  Cardio.config.file_default_bucket ||
    (Cardio.config.file_buckets && Cardio.config.file_buckets.keys.first)
end

#bucket_from_content ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 208

def bucket_from_content
  return unless content
  content.match(/^\((?<bucket>[^)]+)\)/) { |m| m[:bucket] }
end

#cloud? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 96

def cloud?
  storage_type == :cloud
end

#coded? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 108

def coded?
  storage_type == :coded
end

#create_public_links ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 71

def create_public_links
  path = attachment.public_path
  return if File.exist? path
  FileUtils.mkdir_p File.dirname(path)
  File.symlink attachment.path, path unless File.symlink? path
  create_versions_public_links
end

#create_versions_public_links ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 79

def create_versions_public_links
  attachment.versions.each do |_name, version|
    next if File.symlink? version.public_path
    File.symlink version.path, version.public_path
  end
end

#deprecated_mod_file? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 116

def deprecated_mod_file?
  content && (lines = content.split("\n")) && lines.size == 4
end

#ensure_bucket_config ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 171

def ensure_bucket_config
  config = yield
  unless config.present?
    raise Card::Error, "couldn't find configuration for bucket #{bucket}"
  end
  config
end

#known_storage_type?(type = storage_type) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 320

def known_storage_type? type=storage_type
  type.in? CarrierWave::FileCardUploader::STORAGE_TYPES
end

#load_bucket_config ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 157

def load_bucket_config
  return {} unless bucket
  bucket_config = Cardio.config.file_buckets &&
                  Cardio.config.file_buckets[bucket.to_sym]
  bucket_config &&= bucket_config.symbolize_keys
  bucket_config ||= {}
  # we don't want :attributes hash symbolized, so we can't use
  # deep_symbolize_keys
  bucket_config[:credentials] &&= bucket_config[:credentials].symbolize_keys
  ensure_bucket_config do
    load_bucket_config_from_env bucket_config
  end
end

#load_bucket_config_from_env(config) ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 179

def load_bucket_config_from_env config
  config ||= {}
  CarrierWave::FileCardUploader::CONFIG_OPTIONS.each do |key|
    next if key.in? [:attributes, :credentials]
    replace_with_env_variable config, key
  end
  config[:credentials] ||= {}
  load_bucket_credentials_from_env config[:credentials]
  config.delete :credentials unless config[:credentials].present?
  config
end

#load_bucket_credentials_from_env(cred_config) ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 191

def load_bucket_credentials_from_env cred_config
  cred_opt_pattern =
    Regexp.new(/^(?:#{bucket.to_s.upcase}_)?CREDENTIALS_(?<option>.+)$/)
  ENV.keys.each do |env_key|
    next unless (m = cred_opt_pattern.match(env_key))
    replace_with_env_variable cred_config, m[:option].downcase.to_sym,
                              "credentials"
  end
end

#local? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 104

def local?
  storage_type == :local
end

#mod ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 120

def mod
  @mod ||= coded? && mod_from_content
end

#mod=(value) ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 280

def mod= value
  if @action == :update
    @new_mod = value.to_s
  else
    @mod = value.to_s
  end
end

#mod_from_content ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 124

def mod_from_content
  if content =~ %r{^:[^/]+/([^.]+)}
    Regexp.last_match(1) # current mod_file format
  else
    mod_from_deprecated_content
  end
end

#mod_from_deprecated_content ⇒ Object

old format is still used in card_changes



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 133

def mod_from_deprecated_content
  return if content =~ /^\~/
  return unless (lines = content.split("\n")) && lines.size == 4
  lines.last
end

#no_upload? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 143

def no_upload?
  storage_type_from_config == :web
end

#remote_storage? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 139

def remote_storage?
  cloud? || web?
end

#remove_public_links ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 86

def remove_public_links
  symlink_dir = File.dirname attachment.public_path
  return unless Dir.exist? symlink_dir
  FileUtils.rm_rf symlink_dir
end

#replace_with_env_variable(config, option, prefix = nil) ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 201

def replace_with_env_variable config, option, prefix=nil
  env_key = [prefix, option].compact.join("_").upcase
  new_value = ENV["#{bucket.to_s.upcase}_#{env_key}"] ||
              ENV[env_key]
  config[option] = new_value if new_value
end

#storage_type_changed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 257

def storage_type_changed?
  @new_bucket || @new_storage_type || @new_mod
end

#storage_type_from_config ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 223

def storage_type_from_config
  type = ENV["FILE_STORAGE"] || Cardio.config.file_storage
  return unless type
  type = type.to_sym
  unless type.in? CarrierWave::FileCardUploader::STORAGE_TYPES
    raise Card::Error,
          I18n.t(:error_invalid_storage_type,
                 scope: "mod.carrierwave.set.abstract.attachment",
                 type: type)
  end
  type
end

#storage_type_from_content ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 236

def storage_type_from_content
  case content
  when /^\(/           then :cloud
  when %r{/^https?\:/} then :web
  when /^~/            then :local
  when /^\:/           then :coded
  else
    if deprecated_mod_file?
      :coded
    else
      storage_type_from_config
    end
  end
end

#temporary_storage_type_change? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 305

def temporary_storage_type_change?
  @temp_storage_type
end

#update_storage_attributes ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 251

def update_storage_attributes
  @mod = @new_mod if @new_mod
  @bucket = @new_bucket if @new_bucket
  @storage_type = @new_storage_type
end

#validate_temporary_storage_type_change(new_storage_type = nil) ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 309

def validate_temporary_storage_type_change new_storage_type=nil
  new_storage_type ||= @new_storage_type
  return unless new_storage_type
  unless known_storage_type? new_storage_type
    raise Error, "unknown storage type: #{new_storage_type}"
  end
  if new_storage_type == :coded && codename.blank?
    raise Error, "codename needed for storage type :coded"
  end
end

#web? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 100

def web?
  storage_type == :web
end

#will_be_stored_as ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 92

def will_be_stored_as
  @new_storage_type || storage_type
end

#will_become_coded? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 112

def will_become_coded?
  will_be_stored_as == :coded
end

#with_storage_options(opts = {}) ⇒ Object 



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# File 'tmpsets/set/mod015-carrierwave/abstract/attachment/storage_type.rb', line 288

def with_storage_options opts={}
  old_values = {}
  validate_temporary_storage_type_change opts[:storage_type]
  [:storage_type, :mod, :bucket].each do |opt_name|
    next unless opts[opt_name]
    old_values[opt_name] = instance_variable_get "@#{opt_name}"
    instance_variable_set "@#{opt_name}", opts[opt_name]
    @temp_storage_type = true
  end
  yield
ensure
  @temp_storage_type = false
  old_values.each do |key, val|
    instance_variable_set "@#{key}", val
  end
end