Module: Balloon::Up::ClassMethods

Defined in:
lib/balloon/up.rb

Instance Method Summary collapse

Instance Method Details

#set_keyword ⇒ Object 



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# File 'lib/balloon/up.rb', line 46

def set_keyword
  if defined?(MongoMapper)
    key :file_name, String
    key :width, Integer
    key :height, Integer
    key :content_type, String
    key :file_size, Integer
    key :storage, String
    key :metadata
    key :created_at
  elsif defined?(Mongoid)
    field :file_name, type: String
    field :width, type: Integer
    field :height, type: Integer
    field :content_type, type: String
    field :file_size, type: String
    field :storage, type: String
    field :metadata
    field :created_at
  end

  before_create :save_db
  after_destroy :uploader_delete

  class_eval <<-RUBY
    def save_db
      return if meta.nil?
      self.file_name = meta[:filename]
      self.content_type = meta[:mime_type]
      self.file_size = meta[:size]
      self.storage = store_storage.to_s
      self.width = meta[:width]
      self.height = meta[:height]
      if self.respond_to?(:metadata)
        self.metadata = meta[:data]
      end
    end

    def url(size_name = nil)
     return "" if !respond_to?(:file_name) || file_name.nil?
     extension = self.file_name.to_s.match(%r"(?!\\.{1})\\w{2,}$")
     basename = self.file_name.to_s.gsub(%r"\\.{1}\\w{2,}$",'')
     @meta = { basename: basename, extension: extension.to_s }
     set_storage_engine
     storage_engine.retrieve!(size_name)
    end

    def path(size_name = nil)
     return "" if !respond_to?(:file_name) || file_name.nil?
     extension = self.file_name.to_s.match(%r"(?!\\.{1})\\w{2,}$")
     basename = self.file_name.to_s.gsub(%r"\\.{1}\\w{2,}$",'')
     @meta = { basename: basename, extension: extension.to_s }
     set_storage_engine
     storage_engine.path!(size_name)
    end

    def local_path(size_name = nil)
     return "" if !respond_to?(:file_name) || file_name.nil?
     extension = self.file_name.to_s.match(%r"(?!\\.{1})\\w{2,}$")
     basename = self.file_name.to_s.gsub(%r"\\.{1}\\w{2,}$",'')
     @meta = { basename: basename, extension: extension.to_s }
     set_storage_engine
     storage_engine.local_path!(size_name)
    end

    def uploader_delete
     return if !respond_to?(:file_name) || file_name.nil?
     extension = self.file_name.to_s.match(%r"(?!\\.{1})\\w{2,}$")
     basename = self.file_name.to_s.gsub(%r"\\.{1}\\w{2,}$",'')
     @meta = { basename: basename, extension: extension.to_s }
     set_storage_engine
     storage_engine.delete!
    end
  RUBY
end

#uploader(name, db = nil) ⇒ Object 



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# File 'lib/balloon/up.rb', line 11

def uploader(name, db = nil)

  before_create :uploader_save

  class_eval <<-RUBY
    def #{name}=(file)
      save_to_cache(file)
    rescue DownloadError => e
      @download_error = e
    rescue ProcessError => e
      @process_error = e
    end

    def #{name}
      @meta
    end

    def uploader_save
      return if cache_meta.nil?
      set_storage_engine
      store_info = storage_engine.store!
      @meta[:filename] = store_info[:filename]
      @meta[:basename] = store_info[:basename]
    end

    def uploader_name
      "#{name}".pluralize
    end
  RUBY

  set_keyword if db

  validates_download_of name
end