Module: ActsAsCloudhdr

Defined in:
lib/cloudhdr_rails/errors.rb,
lib/cloudhdr_rails/acts_as_cloudhdr.rb

Defined Under Namespace

Modules: InstanceMethods Classes: Error, HTTPError, ThumbnailAttributesNotFoundError, ThumbnailNotFoundError

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.apply_cloudhdr_configuration ⇒ Object 



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# File 'lib/cloudhdr_rails/acts_as_cloudhdr.rb', line 285

def self.apply_cloudhdr_configuration
  if self.cloudhdr_configuration[:base_url]
    ActsAsCloudhdr.base_url = cloudhdr_configuration[:base_url]
  end
  if self.cloudhdr_configuration[:storeage_mode]
    ActsAsCloudhdr.storeage_mode = cloudhdr_configuration[:storeage_mode]
  end
  if self.cloudhdr_configuration[:processing_mode]
    ActsAsCloudhdr.processing_mode = cloudhdr_configuration[:processing_mode]
  end
  if self.cloudhdr_configuration[:s3_bucket_name]
    ActsAsCloudhdr.s3_bucket_name = cloudhdr_configuration[:s3_bucket_name]
  end
  if self.cloudhdr_configuration[:javascript_library]
    ActsAsCloudhdr.javascript_library = cloudhdr_configuration[:javascript_library]
  end
  if self.cloudhdr_configuration[:local_base_dir]
    ActsAsCloudhdr.local_base_dir = cloudhdr_configuration[:local_base_dir]
  end
  
  if self.cloudhdr_configuration[:cloudhdr_url]
    ::Cloudhdr.base_url = cloudhdr_configuration[:cloudhdr_url]
  end
  if self.cloudhdr_configuration[:cloudhdr_api_key]
    ::Cloudhdr.api_key = cloudhdr_configuration[:cloudhdr_api_key]
  end

end

.cloudhdr_config ⇒ Object 



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# File 'lib/cloudhdr_rails/acts_as_cloudhdr.rb', line 63

def self.cloudhdr_config
  #puts "checking cloudhdr_config for #{self.config}"
  self.read_cloudhdr_configuration if self.config.nil?
  self.config
end

.cloudhdr_configuration ⇒ Object 



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# File 'lib/cloudhdr_rails/acts_as_cloudhdr.rb', line 281

def self.cloudhdr_configuration
  self.config
end

.read_cloudhdr_configuration ⇒ Object 



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# File 'lib/cloudhdr_rails/acts_as_cloudhdr.rb', line 69

def self.read_cloudhdr_configuration
  
  config_path =  File.join(::Rails.root.to_s, ActsAsCloudhdr.config_file)
  #puts "#{self.config} - looking for a config in #{config_path}"
  self.config =  YAML.load(ERB.new(File.read(config_path)).result)[::Rails.env.to_s].symbolize_keys
  self.apply_cloudhdr_configuration
end

Instance Method Details

#acts_as_cloudhdr(options = { }) ⇒ Object 



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# File 'lib/cloudhdr_rails/acts_as_cloudhdr.rb', line 151

def acts_as_cloudhdr(options = { })
  
  include InstanceMethods
  attr_reader :saved_file
  attr_accessor :processing
  after_save :save_local_file
  before_destroy :cleanup #:remove_local_file,:destroy_thumbnails,:remove_s3_file
  
  include ActiveSupport::Callbacks

  define_callbacks :local_file_saved, :file_saved, :file_ready, :process_hdr, :process_hdrhtml, :process_composite, :process_tone_mapping
  
  #cattr_accessor :cloudhdr_options
  #self.cloudhdr_options = options
  
  cattr_accessor :cloudhdr_thumbnails
  self.cloudhdr_thumbnails = options[:thumbnails] ||= []
  
  cattr_accessor :thumbnail_class
  self.thumbnail_class = options[:thumbnail_class] ? options[:thumbnail_class].constantize : self
  
  has_many   :thumbnails, :class_name => "::#{self.thumbnail_class.name}",:as => :parent 
  belongs_to  :parent, :polymorphic => true
  
  has_many :cloudhdr_jobs, :as => :image
  
  scope :top_level, -> { where({:parent_id=>nil}) if respond_to?(:parent_id) }
  scope :top_level, -> { where({}) if !respond_to?(:parent_id) }
  # we can't just call this next scope 'parents' because that is already
  # taken and returns an array of parent classes of the ruby object
  scope :parent_items, -> { where({:parent_id=>nil}) if respond_to?(:parent_id) }
  scope :parent_items, -> { where({}) if !respond_to?(:parent_id) }
  
  scope :thumbnails, -> { where("#{base_class.table_name}.parent_id is not null") }
  
  #just a writer, the reader is below
  #cattr_accessor :cloudhdr_configuration
  #read_cloudhdr_configuration
end

#create_atts_from_size_string(label_string) ⇒ Object 



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# File 'lib/cloudhdr_rails/acts_as_cloudhdr.rb', line 251

def create_atts_from_size_string(label_string)
  match = label_string.match ActsAsCloudhdr.label_size_regex
  return nil if match.blank?
  atts = {}
  if !match[1].blank?
    atts[:width] = match[1]
  end
  if !match[2].blank?
    atts[:height] = match[2]
  end
  if !match[3].blank?
    atts[:aspect_mode] = match[3]
  end
  atts[:label] = label_string
  #atts[:label] = "#{atts[:width]}x#{atts[:height]}"
  #atts[:label] += "_#{atts[:aspect_mode]}" if atts[:aspect_mode]
  atts
end

#create_label_from_size_string(size_string) ⇒ Object 



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# File 'lib/cloudhdr_rails/acts_as_cloudhdr.rb', line 243

def create_label_from_size_string(size_string)
  if size_string.match ActsAsCloudhdr.size_string_regex
    size_string = size_string.gsub("!","crop")
    size_string = size_string.gsub(">","preserve")
  end
  size_string
end

#image?(content_type) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cloudhdr_rails/acts_as_cloudhdr.rb', line 138

def image?(content_type)
  image_types.include?(content_type)
end

#image_types ⇒ Object

The list of content types that will trigger image handling.



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# File 'lib/cloudhdr_rails/acts_as_cloudhdr.rb', line 125

def image_types
  web_safe_image_types + other_image_types
end

#thumbnail_attributes_for(thumbnail_name = "small") ⇒ Object 



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# File 'lib/cloudhdr_rails/acts_as_cloudhdr.rb', line 232

def thumbnail_attributes_for(thumbnail_name = "small")
  atts = self.cloudhdr_thumbnails.select{|atts| atts[:label] == thumbnail_name }.first
  if atts.blank?
    atts = create_atts_from_size_string(thumbnail_name)
  end
  if atts.blank?
    raise ThumbnailAttributesNotFoundError.new("No thumbnail attributes were found for label '#{thumbnail_name}'")
  end
  atts
end

#update_from_cloudhdr(params) ⇒ Object 



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# File 'lib/cloudhdr_rails/acts_as_cloudhdr.rb', line 200

def update_from_cloudhdr(params)
  Rails.logger.debug "tying to call update from cloudhdr for params = #{params.to_json}"
  if !params[:output].blank?
    Rails.logger.debug "find_by_cloudhdr_output_id #{params[:output][:id]}"
    iu = find_by_cloudhdr_output_id params[:output][:id]
    Rails.logger.debug "the item = #{iu}"
    img_params = params[:output]
    iu.filename = File.basename(params[:output][:url]) #if iu.filename.blank?
    if ActsAsCloudhdr.storeage_mode == "local"
      iu.save_url(params[:output][:url])
    end
  else
    iu = find_by_cloudhdr_input_id params[:input][:id]
    img_params = params[:input]
  end
  [:file_size,:width,:height,:taken_at,:lat,:lng].each do |att|
    setter = att.to_s + "="
    if iu.respond_to? setter and !img_params[att].blank?
      iu.send setter, img_params[att]
    end
  end
  
  #iu.file_size = img_params[:file_size]
  #iu.width = img_params[:width]
  #iu.height = img_params[:height]
  iu.cloudhdr_status = "ready"
  iu.save
  iu
end

#validates_cloudhdr ⇒ Object

end



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# File 'lib/cloudhdr_rails/acts_as_cloudhdr.rb', line 196

def validates_cloudhdr
  validates_presence_of :content_type, :filename, :if=>lambda{ parent_id.blank? }
end

#web_safe?(content_type) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cloudhdr_rails/acts_as_cloudhdr.rb', line 142

def web_safe?(content_type)
  web_safe_image_types.include?(content_type)
end