Class: Caboose::Media

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
app/models/caboose/media.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.upload_name(str) ⇒ Object 



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# File 'app/models/caboose/media.rb', line 161

def self.upload_name(str)
  return '' if str.nil?
  return File.basename(str, File.extname(str)).downcase.gsub(' ', '-').gsub(/[^\w-]/, '')
end

Instance Method Details

#api_hash ⇒ Object 



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# File 'app/models/caboose/media.rb', line 131

def api_hash
  {
    :id            => self.id,
    :name          => self.name,
    :original_name => self.original_name,
    :description   => self.description,
    :processed     => self.processed,
    :image_urls    => self.image_urls,
    :file_url      => self.file ? self.file.url : nil,
    :media_type    => self.is_image? ? 'image' : 'file'
  }    
end

#download_file_from_url(url) ⇒ Object 



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# File 'app/models/caboose/media.rb', line 125

def download_file_from_url(url)
  self.image = URI.parse(url)
  self.processed = true
  self.save
end

#download_image_from_url(url) ⇒ Object 



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# File 'app/models/caboose/media.rb', line 119

def download_image_from_url(url)
  self.image = URI.parse(url)
  self.processed = true
  self.save
end

#duplicate(site_id) ⇒ Object 



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# File 'app/models/caboose/media.rb', line 175

def duplicate(site_id)
  cat = Caboose::MediaCategory.top_category(site_id)
  m = Caboose::Media.create(      
    :media_category_id  => cat.id                  ,
    :name               => self.name               ,
    :description        => self.description        ,
    :original_name      => self.original_name      ,
    :image_file_name    => self.image_file_name    ,
    :image_content_type => self.image_content_type ,
    :image_file_size    => self.image_file_size    ,
    :image_updated_at   => self.image_updated_at   ,
    :file_file_name     => self.file_file_name     ,
    :file_content_type  => self.file_content_type  ,
    :file_file_size     => self.file_file_size     ,
    :file_updated_at    => self.file_updated_at    ,      
    :processed          => false
  )
  m.delay(:queue => 'caboose_media').download_image_from_url(self.image.url(:original)) if self.image
  m.delay(:queue => 'caboose_media').download_file_from_url(self.file.url) if self.file
  return m
end

#file_url ⇒ Object 



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# File 'app/models/caboose/media.rb', line 166

def file_url
  return self.image.url(:original) if self.image && !self.image.url(:original).starts_with?('http://placehold.it')
  return self.file.url    
end

#image_urls ⇒ Object 



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# File 'app/models/caboose/media.rb', line 151

def image_urls
  return nil if self.image.nil? || self.image.url(:tiny).starts_with?('http://placehold.it')
  return {
    :tiny_url     => self.image.url(:tiny),
    :thumb_url    => self.image.url(:thumb),
    :large_url    => self.image.url(:large),
    :original_url => self.image.url(:original)
  }
end

#is_image? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/caboose/media.rb', line 144

def is_image?
  image_extensions = ['.jpg', '.jpeg', '.gif', '.png', '.tif']
  ext = File.extname(self.original_name).downcase
  return true if image_extensions.include?(ext)
  return false    
end

#process ⇒ Object

before_post_process :set_content_dispositon def set_content_dispositon

self.sample.options.merge({ :s3_headers => { "Content-Disposition" => "attachment; filename=#{self.name}" }})

end



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# File 'app/models/caboose/media.rb', line 45

def process
  #return if self.processed
  
  config = YAML.load(File.read(Rails.root.join('config', 'aws.yml')))[Rails.env]    
  AWS.config({ 
    :access_key_id => config['access_key_id'],
    :secret_access_key => config['secret_access_key']  
  })
  bucket = config['bucket']
  bucket = Caboose::uploads_bucket && Caboose::uploads_bucket.strip.length > 0 ? Caboose::uploads_bucket : "#{bucket}-uploads"
      
  key = "#{self.media_category_id}_#{self.original_name}"    
  key = URI.encode(key.gsub(' ', '+'))    
  uri = "http://#{bucket}.s3.amazonaws.com/#{key}"    

  content_type = self.image_content_type || self.file_content_type

  if is_image?
    self.image = URI.parse(uri)
    self.image_content_type = content_type
  else
    self.file = URI.parse(uri)
    self.file_content_type = content_type
  end
  self.processed = true
  self.save

  # Set the content-type metadata on S3
  if !is_image?
    self.set_file_content_type(content_type)
  end

  # Remember when the last upload processing happened
  s = Caboose::Setting.where(:site_id => self.media_category.site_id, :name => 'last_upload_processed').first
  s = Caboose::Setting.create(:site_id => self.media_category.site_id, :name => 'last_upload_processed') if s.nil?
  s.value = DateTime.now.utc.strftime("%FT%T%z")
  s.save

  # Remove the temp file            
  bucket = AWS::S3::Bucket.new(bucket)
  obj = bucket.objects[key]
  obj.delete
       
end

#reprocess_image ⇒ Object 



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# File 'app/models/caboose/media.rb', line 171

def reprocess_image
  self.image.reprocess!
end

#set_file_content_type(content_type) ⇒ Object 



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# File 'app/models/caboose/media.rb', line 105

def set_file_content_type(content_type)
  config = YAML.load(File.read(Rails.root.join('config', 'aws.yml')))[Rails.env]    
  AWS.config({ 
    :access_key_id => config['access_key_id'],
    :secret_access_key => config['secret_access_key']  
  })
  s3 = AWS::S3.new
  bucket = s3.buckets[config['bucket']]
  ext = File.extname(self.file_file_name)[1..-1]
  # has_attached_file :file, :path => ':caboose_prefixmedia/:id_:media_name.:extension'
  k = "media/#{self.id}_#{self.name}.#{ext}"
  bucket.objects[k].copy_from(k, :content_type => content_type) # a copy needs to be done to change the content-type    
end

#set_image_content_type(content_type) ⇒ Object 



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# File 'app/models/caboose/media.rb', line 90

def set_image_content_type(content_type)
  config = YAML.load(File.read(Rails.root.join('config', 'aws.yml')))[Rails.env]    
  AWS.config({ 
    :access_key_id => config['access_key_id'],
    :secret_access_key => config['secret_access_key']  
  })
  s3 = AWS::S3.new
  bucket = s3.buckets[config['bucket']]
  ext = File.extname(self.image_file_name)[1..-1]
  self.image.styles.each do |style|
    k = "media/#{self.id}_#{self.name}_#{style}.#{ext}"
    bucket.objects[k].copy_from(k, :content_type => content_type) # a copy needs to be done to change the content-type
  end
end