Class: FileAsset
- Inherits:
-
ActiveRecord::Base
- Object
- ActiveRecord::Base
- FileAsset
- Defined in:
- app/models/file_asset.rb
Class Method Summary collapse
- .acceptable?(name) ⇒ Boolean
- .all_valid_extensions ⇒ Object
- .split_path(path) ⇒ Object
- .type_by_extension(extension) ⇒ Object
- .type_for(name) ⇒ Object
- .valid_extensions ⇒ Object
- .validate_extension(data, file) ⇒ Object
Instance Method Summary collapse
- #basename ⇒ Object
- #extname ⇒ Object
- #get_contents ⇒ Object
-
#initialize(attributes = {}, options) ⇒ FileAsset
constructor
A new instance of FileAsset.
- #move(new_parent_path) ⇒ Object
- #set_content_type ⇒ Object
- #set_data_file_name ⇒ Object
- #set_sti ⇒ Object
Constructor Details
#initialize(attributes = {}, options) ⇒ FileAsset
Returns a new instance of FileAsset.
109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 |
# File 'app/models/file_asset.rb', line 109 def initialize(attributes = {}, ) attributes ||= {} base_path = attributes.delete(:base_path) @type, directory, name, data = attributes.values_at(:type, :directory, :name, :data) base_path ||= data.original_filename if data.respond_to?(:original_filename) directory, name = FileAsset.split_path(base_path) if base_path and name.blank? directory.gsub!(Rails.root.to_s,'') @type ||= FileAsset.type_for(name) if name @type = "TextFile" if @type.nil? @name = name data = StringIO.new(data) if data.is_a?(String) super attributes.merge(:directory => directory, :name => name, :data => data) end |
Class Method Details
.acceptable?(name) ⇒ Boolean
72 73 74 |
# File 'app/models/file_asset.rb', line 72 def acceptable?(name) valid_extensions.include?(File.extname(name)) end |
.all_valid_extensions ⇒ Object
98 99 100 |
# File 'app/models/file_asset.rb', line 98 def all_valid_extensions all_subclasses.map { |k| k.valid_extensions }.flatten.uniq end |
.split_path(path) ⇒ Object
102 103 104 105 106 |
# File 'app/models/file_asset.rb', line 102 def split_path(path) directory, name = ::File.split(path) directory = nil if directory == '.' [directory, name] end |
.type_by_extension(extension) ⇒ Object
81 82 83 84 85 |
# File 'app/models/file_asset.rb', line 81 def type_by_extension(extension) klass = all_subclasses.detect{ |k| k.valid_extensions.include?(extension) } klass = TextFile if klass.nil? klass end |
.type_for(name) ⇒ Object
76 77 78 79 |
# File 'app/models/file_asset.rb', line 76 def type_for(name) classes = all_subclasses.uniq classes.detect{ |k| k.acceptable?(name) }.try(:name) end |
.valid_extensions ⇒ Object
94 95 96 |
# File 'app/models/file_asset.rb', line 94 def valid_extensions read_inheritable_attribute(:valid_extensions) || [] end |
.validate_extension(data, file) ⇒ Object
87 88 89 90 91 92 |
# File 'app/models/file_asset.rb', line 87 def validate_extension(data, file) if file.name && !file.class.valid_extensions.include?(File.extname(file.name)) types = all_valid_extensions.map{ |type| type.gsub(/^\./, '') }.join(', ') "#{file.name} is not a valid file type. Valid file types are #{types}." end end |
Instance Method Details
#basename ⇒ Object
128 129 130 |
# File 'app/models/file_asset.rb', line 128 def basename data_file_name.gsub(/\.#{extname}$/, "") end |
#extname ⇒ Object
132 133 134 |
# File 'app/models/file_asset.rb', line 132 def extname File.extname(self.data_file_name).gsub(/^\.+/, '') end |
#get_contents ⇒ Object
152 153 154 155 |
# File 'app/models/file_asset.rb', line 152 def get_contents file_support = ErpTechSvcs::FileSupport::Base.new(:storage => ErpTechSvcs::Config.file_storage) file_support.get_contents(File.join(self.directory,self.data_file_name)) end |
#move(new_parent_path) ⇒ Object
157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 |
# File 'app/models/file_asset.rb', line 157 def move(new_parent_path) file_support = ErpTechSvcs::FileSupport::Base.new(:storage => ErpTechSvcs::Config.file_storage) if ErpTechSvcs::Config.file_storage == :filesystem and !self.directory.include?(Rails.root.to_s) old_path = File.join(Rails.root, self.directory, self.name) else old_path = File.join(self.directory, self.name) end result, = file_support.save_move(old_path, new_parent_path) if result self.directory = new_parent_path.gsub(Regexp.new(Rails.root.to_s), '') # strip rails root from new_parent_path, we want relative path self.save end return result, end |
#set_content_type ⇒ Object
140 141 142 143 144 145 146 |
# File 'app/models/file_asset.rb', line 140 def set_content_type unless @type.nil? klass = @type.constantize content_type = klass == Image ? "image/#{File.extname(@name).gsub(/^\.+/, '')}" : klass.content_type self.data.instance_write(:content_type, content_type) end end |
#set_data_file_name ⇒ Object
148 149 150 |
# File 'app/models/file_asset.rb', line 148 def set_data_file_name update_attribute :data_file_name, name if data_file_name != name end |
#set_sti ⇒ Object
136 137 138 |
# File 'app/models/file_asset.rb', line 136 def set_sti update_attribute :type, @type end |