Class: SakaiInfo::ContentResource

Inherits:
Content show all
Defined in:
lib/sakai-info/content.rb

Constant Summary collapse

@@cache = 
{}

Instance Attribute Summary collapse

Attributes inherited from Content

#parent_id

Attributes inherited from SakaiObject

#id

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Content

#binary, #effective_realm, #parent, #realm, #summary_serialization

Methods inherited from SakaiObject

all_serializations, #dbrow_only_serialization, #dbrow_serialization, #object_type_serialization, #serialize, #to_json, #to_yaml

Constructor Details

#initialize(id, parent_id, file_path, uuid, file_size, context, resource_type_id) ⇒ ContentResource

Returns a new instance of ContentResource.



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# File 'lib/sakai-info/content.rb', line 89

def initialize(id, parent_id, file_path, uuid, file_size, context, resource_type_id)
  @id = id
  @parent_id = parent_id
  @file_path = File.join(Instance.content_base_directory, file_path)
  @uuid = uuid
  @file_size = file_size
  @context = context
  @resource_type_id = resource_type_id

  @table_name = "content_resource"
  @id_column = "resource_id"
end

Instance Attribute Details

#context ⇒ Object (readonly)

Returns the value of attribute context.



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# File 'lib/sakai-info/content.rb', line 87

def context
  @context
end

#file_path ⇒ Object (readonly)

Returns the value of attribute file_path.



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# File 'lib/sakai-info/content.rb', line 87

def file_path
  @file_path
end

#resource_type_id ⇒ Object (readonly)

Returns the value of attribute resource_type_id.



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# File 'lib/sakai-info/content.rb', line 87

def resource_type_id
  @resource_type_id
end

#uuid ⇒ Object (readonly)

Returns the value of attribute uuid.



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# File 'lib/sakai-info/content.rb', line 87

def uuid
  @uuid
end

Class Method Details

.count_by_parent(parent_id) ⇒ Object 



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# File 'lib/sakai-info/content.rb', line 143

def self.count_by_parent(parent_id)
  DB.connect[:content_resource].filter(:in_collection => parent_id).count
end

.find(id) ⇒ Object 



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# File 'lib/sakai-info/content.rb', line 103

def self.find(id)
  if @@cache[id].nil?
    row = DB.connect[:content_resource].filter(:resource_id => id).first
    if row.nil?
      raise ObjectNotFoundException.new(ContentResource, id)
    end
    @@cache[id] = ContentResource.new(row[:resource_id], row[:in_collection], row[:file_path], row[:resource_uuid], row[:file_size].to_i, row[:context], row[:resource_type_id])
  end
  @@cache[id]
end

.find_by_parent(parent_id) ⇒ Object 



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# File 'lib/sakai-info/content.rb', line 131

def self.find_by_parent(parent_id)
  resources = []
  DB.connect[:content_resource].filter(:in_collection => parent_id) do |row|
    @@cache[row[:resource_id]] =
      ContentResource.new(row[:resource_id], row[:in_collection], row[:file_path],
                            row[:resource_uuid], row[:file_size].to_i, row[:context],
                            row[:resource_type_id])
    resources << @@cache[row[0]]
  end
  resources
end

Instance Method Details

#default_serialization ⇒ Object 



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# File 'lib/sakai-info/content.rb', line 118

def default_serialization
  {
    "id" => self.id,
    "parent" => self.parent_id,
    "uuid" => self.uuid,
    "file_path" => self.file_path,
    "size_on_disk" => self.size_on_disk,
    "context" => self.context,
    "resource_type_id" => self.resource_type_id,
    "effective_realm" => (self.effective_realm.nil? ? nil : self.effective_realm.name)
  }
end

#size_on_disk ⇒ Object 



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# File 'lib/sakai-info/content.rb', line 114

def size_on_disk
  @file_size
end