Class: MediaFile

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

Overview

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.find_by_name(name) ⇒ Object

Given a name in the form ‘folder/filename.ext’, return the correct media file



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# File 'app/models/media_file.rb', line 66

def self.find_by_name(name)
  components  = name.split('/')
  filename    = components[-1]
  folder      = components[-2] || ''
  asset       = MediaFile.where(folder: folder, media: filename).first
end

.tag_list_all ⇒ Object

return a list of tags for all media objects



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# File 'app/models/media_file.rb', line 36

def self.tag_list_all
  MediaFile.tag_counts_on(:tags).map(&:name).sort
end

.url_by_name(name, options = {version: :original}) ⇒ Object

Given a name in the form ‘folder/filename.ext’, grab the url with the correct version Use ‘version: :original’ to allow the original version to be pulled



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# File 'app/models/media_file.rb', line 43

def self.url_by_name(name, options = {version: :original})
  asset = MediaFile.find_by_name(name)
  if asset
    options[:version] == :original ? asset.media.url : asset.media.url(options[:version])
  else
    nil
  end
end

.version_exists?(name, options = {version: :original}) ⇒ Boolean

Given a name in the form ‘folder/filename.ext’, check if the version exists. Use ‘version: :original’ to allow the original version to be pulled

Returns:

  • (Boolean) 


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# File 'app/models/media_file.rb', line 55

def self.version_exists?(name, options = {version: :original})
  asset = MediaFile.find_by_name(name)
  if asset
    options[:version] == :original ? true : asset.media.version_exists?(options[:version])
  else
    false
  end
end

Instance Method Details

#image? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/media_file.rb', line 19

def image?
  self.media_content_type.start_with? 'image'
end

#pdf? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/media_file.rb', line 24

def pdf?
  self.media_content_type.end_with? 'pdf'
end

#short_location(version = nil) ⇒ Object 



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# File 'app/models/media_file.rb', line 29

def short_location(version = nil)
  filename = version ? self.media.versions[version].file.filename : self.media.file.filename
  folder.blank? ? filename : "#{folder}/#{filename}"
end