Class: ActiveAdmin::JfuUpload::Engine

Inherits:
Rails::Engine
  • Object
show all
Defined in:
lib/activeadmin/jfu_upload/engine.rb

Class Method Summary collapse

Class Method Details

.upload_file(request, param, resource, field) ⇒ Object 



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# File 'lib/activeadmin/jfu_upload/engine.rb', line 9

def upload_file( request, param, resource, field )
  response = { result: 0 }
  if !param.blank?
    if request.headers['CONTENT-RANGE'].blank?
      resource.update field => param
      response = { result: 1, file_name: resource.try( field ).try( :url ) }
    else
      m = request.headers['CONTENT-RANGE'].match( /[^\s]+\s(\d+)-(\d+)\/(\d+)/ )
      if m
        pos = m[1].to_i
        if pos == 0
          resource.update field => param
        else
          File.open( resource.try( field ).try( :path ), 'ab' ) { |f| f.write( param.read ) }
        end
        if ( m[2].to_i + 1 ) == m[3].to_i
          response = { result: 1, pos: m[3].to_i, file_name: resource.try( field ).try( :url ) }
        else
          response = { result: 2, position: pos }
        end
      end
    end
  end
  response
end