class PopulateMe::Attachment
Attributes
settings[RW]
document[RW]
field[RW]
Public Class Methods
inherited(sub)
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Calls superclass method
# File lib/populate_me/attachment.rb, line 19 def inherited sub super sub.settings = settings.dup sub::Middleware.parent = sub end
middleware()
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# File lib/populate_me/attachment.rb, line 25 def middleware Rack::Static end
middleware_options()
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# File lib/populate_me/attachment.rb, line 29 def middleware_options [ { urls: [settings.url_prefix], root: settings.root } ] end
new(doc, field)
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# File lib/populate_me/attachment.rb, line 42 def initialize doc, field @document = doc @field = field end
set(name, value)
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inheritable settings
# File lib/populate_me/attachment.rb, line 15 def set name, value self.settings[name] = value end
Public Instance Methods
attachee_prefix()
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# File lib/populate_me/attachment.rb, line 70 def attachee_prefix WebUtils.dasherize_class_name self.document.class.name end
create(form_hash)
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# File lib/populate_me/attachment.rb, line 98 def create form_hash self.delete future_field_value = perform_create form_hash create_variations form_hash.merge({future_field_value: future_field_value}) future_field_value end
create_variations(hash)
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# File lib/populate_me/attachment.rb, line 105 def create_variations hash return if self.variations.nil? tmppath = hash[:tempfile].path path = self.location_for_filename hash[:future_field_value] FileUtils.mkdir_p(File.dirname(path)) variations.each do |v| self.delete v.name v_path = WebUtils.filename_variation path, v.name, v.ext v.job.call tmppath, v_path self.perform_create hash.merge({variation: v, variation_path: v_path}) end end
deletable?(variation_name=:original)
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# File lib/populate_me/attachment.rb, line 131 def deletable? variation_name=:original !WebUtils.blank?(self.field_filename(variation_name)) and File.exist?(self.location(variation_name)) end
delete(variation_name=:original)
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# File lib/populate_me/attachment.rb, line 135 def delete variation_name=:original if self.deletable?(variation_name) perform_delete variation_name end end
delete_all()
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# File lib/populate_me/attachment.rb, line 141 def delete_all to_delete = [:original] + variations.map(&:name) to_delete.each do |v_name| self.delete v_name end end
ensure_local_path()
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# File lib/populate_me/attachment.rb, line 94 def ensure_local_path self.location end
field_filename(variation_name=:original)
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# File lib/populate_me/attachment.rb, line 63 def field_filename variation_name=:original return nil if WebUtils.blank?(self.field_value) return self.field_value if variation_name==:original v = self.variations.find{|var|var.name==variation_name} WebUtils.filename_variation(self.field_value, v.name, v.ext) end
field_options()
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# File lib/populate_me/attachment.rb, line 55 def field_options self.document.class.fields[self.field] end
field_value()
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# File lib/populate_me/attachment.rb, line 51 def field_value self.document.__send__(field) end
location(variation_name=:original)
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# File lib/populate_me/attachment.rb, line 87 def location variation_name=:original self.location_for_filename self.field_filename(variation_name) end
location_for_filename(filename)
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# File lib/populate_me/attachment.rb, line 90 def location_for_filename filename File.join self.location_root, filename end
location_root()
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# File lib/populate_me/attachment.rb, line 79 def location_root File.join( settings.root, settings.url_prefix, self.attachee_prefix ) end
perform_create(hash)
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# File lib/populate_me/attachment.rb, line 118 def perform_create hash return File.basename(hash[:variation_path]) unless WebUtils.blank?(hash[:variation_path]) # Rack 1.6 deletes multipart files after request # So we have to create a copy FileUtils.mkdir_p self.location_root tmppath = hash[:tempfile].path unique_prefix = File.basename(tmppath, File.extname(tmppath)) unique_filename = "#{unique_prefix}-#{hash[:filename]}" path = self.location_for_filename unique_filename FileUtils.copy_entry(tmppath, path) unique_filename end
perform_delete(variation_name=:original)
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# File lib/populate_me/attachment.rb, line 148 def perform_delete variation_name=:original FileUtils.rm self.location(variation_name) end
settings()
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# File lib/populate_me/attachment.rb, line 47 def settings self.class.settings end
url(variation_name=:original)
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# File lib/populate_me/attachment.rb, line 74 def url variation_name=:original return nil if WebUtils.blank?(self.field_filename(variation_name)) "#{settings.url_prefix.sub(/\/$/,'')}/#{self.attachee_prefix}/#{self.field_filename(variation_name)}" end
variations()
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# File lib/populate_me/attachment.rb, line 59 def variations self.field_options[:variations] || [] end