Module: Fclay::Attachment

Extended by:
ActiveSupport::Concern
Defined in:
lib/fclay/attachment.rb

Constant Summary collapse

CALLBACKS = 
[:process,:upload,:delete]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#file ⇒ Object

Returns the value of attribute file.



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# File 'lib/fclay/attachment.rb', line 28

def file
  @file
end

Class Method Details

.resolve_file_url(navigation_complex_id, type, file_name, style = nil) ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 263

def self.resolve_file_url navigation_complex_id,type,file_name,style=nil

  return "" if file_name.nil? || type.nil?

  path = "http://s3.amazonaws.com/#{Fclay.remote_storage.bucket_name}"
  path += "/navigation_complex/#{navigation_complex_id}" if navigation_complex_id
  path += "/#{type}"
  path += "/#{style.to_s}" if style
  path += "/#{file_name}"
  path
end

.upload(type, id) ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 80

def self.upload type,id
  type = type.safe_constantize
  return unless type
  uploading_object = type.find_by_id(id)
  uploading_object.try(:log,"Fclay::upload() called, uploading_object: #{uploading_object}, uploading_object.need_upload: #{uploading_object.try(:need_upload)}")
  return if !uploading_object || !uploading_object.need_upload
  content_type  = uploading_object.try(:content_type)
  bucket = Fclay.remote_storage.bucket_object

  uploading_object.try(:log,"Start uploading")
  (uploading_object.class.fclay_options[:styles].try(:keys) || [nil]).each do |style|
   obj = bucket.object(uploading_object.remote_file_path(style))
   obj.put({
     body: File.read(uploading_object.local_file_path(style)),
     acl: "public-read",
     content_type: content_type
   })
  end

  type.where(:id => id).update_all(:file_status => 'idle', :file_location => Fclay.remote_storage.name)
  uploading_object.try(:log,"Sucessful uploaded! file_status: 'idle', file_location: #{Fclay.remote_storage.name}")
  uploading_object.delete_local_files
  uploading_object.try(:uploaded)


end

Instance Method Details

#create_dirs ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 179

def create_dirs

 (self.class.fclay_options[:styles] || [nil]).each do |style|
   FileUtils.mkdir_p(local_file_dir(style))
 end

end

#delete_files ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 30

def delete_files

  case self.file_location
    when 's3'
      delete_remote_files
    when 'local'
      delete_local_files
  end

end

#delete_local_files ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 239

def delete_local_files

   begin
      (self.class.fclay_options[:styles] || [nil]).each do |style|
        FileUtils.rm(local_file_path(style),{:force => true})
      end
   rescue
      Rails.logger.info "Deleting Media #{id} sync file not found"
   end
   true

end

#delete_remote_files ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 252

def delete_remote_files

  (self.class.fclay_options[:styles] || [nil]).each do |style|
    Fclay.remote_storage.bucket_object.object(remote_file_path(style)).delete
  end
end

#delete_tmp_file ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 174

def delete_tmp_file
   FileUtils.rm(@file.try(:path) || @file[:path],{:force => true}) if @file
   @file = nil
end

#fclay_attachment_presence ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 107

def fclay_attachment_presence
 errors.add(:file, 'must be present') if id.blank? && !@file
end

#fetch_extension ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 232

def fetch_extension
  ext = self.class.fclay_options[:extension]
  return nil if ext == false
  return ext.to_s if ext
  @file.original_filename.split(".").try(:last) if @file.try(:original_filename)
end

#fetch_file_name ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 221

def fetch_file_name

  return if self.file_name.present?
  ext = fetch_extension

  self.file_name = try(:fclay_attachment_filename)
  self.file_name = SecureRandom.hex unless self.file_name
  self.file_name += ".#{ext}" if ext

end

#file_size_mb ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 111

def file_size_mb

  "#{((self.file_size >> 10).to_f / 1024).round(2)} Mb" if self.file_size

end

#file_url(style = nil) ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 117

def file_url(style=nil)
  return "" unless self.file_location
  case self.file_location
    when "external_link"
      self.file_name
    when "local"
      local_file_url(style)
    else
      remote_file_url(style)
    end
end

#final_file_url(style = nil) ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 129

def final_file_url(style=nil)
  return self.file_name if self.file_location == "external_link"
  if Fclay.configuration.storage_policy != :local
    remote_file_url(style)
  else
    local_file_url(style)
  end
end

#local_file_dir(style = nil) ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 160

def local_file_dir(style=nil)
 dir = "#{Rails.root.to_s + Fclay.configuration.local_folder}/#{self.class.name.tableize}"
 dir += "/#{style.to_s}" if style
 dir
end

#local_file_path(style = nil) ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 142

def local_file_path(style=nil)

   local_file_dir(style) + "/" + file_name

end

#local_file_url(style = nil) ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 148

def local_file_url(style=nil)
  url = Fclay.configuration.local_storage_host
  url += "#{Fclay.configuration.local_url}/#{self.class.name.tableize}"
  url += "/#{style.to_s}" if style
  url += "/#{file_name}"
  url
end

#need_upload ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 62

def need_upload
  Fclay.configuration.storage_policy != :local && self.file_location == "local"
end

#process_file ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 187

def process_file
  self.try(:log,"process_file called")
  self.try(:log,"@file: #{@file.try(:to_s)}")
  return unless @file

  delete_files
  path = @file.try(:path) || @file.try(:[],:path)

  self.try(:log,"fetched path: #{path.try(:to_s)}")
  return unless path

  self.content_type = @file.try(:content_type) || @file.try(:[],:content_type) if self.respond_to?(:'content_type=')

  if path[0..3] == "http"
    self.file_status = 'idle'
    self.file_location = 'external_link'
    self.file_name = path
  else
    create_dirs
    fetch_file_name

    (self.class.fclay_options[:styles] || [nil]).each do |style|
      FileUtils.cp(path,local_file_path(style))
      `chmod 777 #{local_file_path(style)}`
    end
    self.original_file_name = @file.try(:original_filename) || @file.try(:[],:content_type)
    delete_tmp_file
    set_file_size self.class.fclay_options[:styles].try(:keys).try(:first)
    self.file_location = 'local'
    self.file_status = need_upload ? "processing" : "idle"
    self.try(:log,"file_processed,  file_status: #{self.file_status}")
  end
end

#process_upload ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 53

def process_upload
  return unless need_upload
  if self.class.fclay_options[:processing] == :foreground
    upload
  else
    upload_later
  end
end

#remote_file_path(style = nil) ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 166

def remote_file_path(style=nil)
  path = ""
  path += "#{self.class.name.tableize}"
  path += "/#{style.to_s}" if style
  path += "/#{file_name}"
  path
end

#remote_file_url(style = nil) ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 138

def remote_file_url(style=nil)
  "https://#{Fclay.remote_storage.bucket_name}.s3.amazonaws.com/#{remote_file_path(style)}"
end

#safe_delete_files ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 41

def safe_delete_files
  delete_files

  self.file_status = nil
  self.file_location = nil
  self.file_name = nil
  self.original_file_name = nil
  self.file_size = nil
  self.content_type = nil
  save
end

#set_file_size(style = nil) ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 259

def set_file_size style=nil
  self.file_size = File.size local_file_path(style)
end

#short_local_file_url(style = nil) ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 156

def short_local_file_url(style=nil)

end

#upload ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 76

def upload
  Fclay::Attachment.upload self.class.name,self.id
end

#upload_later ⇒ Object 



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# File 'lib/fclay/attachment.rb', line 66

def upload_later

  self.try(:log,"upload_later() called, need_upload: #{need_upload}")
  if need_upload
    job = Fclay::UploadJob.perform_later(self.class.name,self.id)
    self.try(:log,"sheduled! job id: #{job.provider_job_id}")
  end

end