Class: DataGov::Dataset

Inherits:
Object
  • Object
show all
Defined in:
lib/data_gov/dataset.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ckan_metadata) ⇒ Dataset

Returns a new instance of Dataset.



9
10
11
12
 
# File 'lib/data_gov/dataset.rb', line 9

def initialize(ckan_metadata)
  @ckan_metadata = ckan_metadata
  @id = ckan_metadata['id']
end

Instance Attribute Details

#ckan_metadata ⇒ Object

Returns the value of attribute ckan_metadata.



6
7
8
 
# File 'lib/data_gov/dataset.rb', line 6

def ckan_metadata
  @ckan_metadata
end

#id ⇒ Object

Returns the value of attribute id.



6
7
8
 
# File 'lib/data_gov/dataset.rb', line 6

def id
  @id
end

#resources ⇒ Object (readonly)

Returns the value of attribute resources.



7
8
9
 
# File 'lib/data_gov/dataset.rb', line 7

def resources
  @resources
end

Class Method Details

.from_id(id) ⇒ Object 



40
41
42
43
44
45
 
# File 'lib/data_gov/dataset.rb', line 40

def self.from_id(id)
  instance = new('')
  instance.id = id
  instance.ckan_metadata = JSON.parse(instance.pairtree.read('ckan.json'))
  instance
end

Instance Method Details

#download_resources ⇒ Object 



26
27
28
29
 
# File 'lib/data_gov/dataset.rb', line 26

def download_resources
  puts "Downloading resources for #{id}"
  resources.map { |resource| resource.download }
end

#pairtree ⇒ Object 



31
32
33
34
 
# File 'lib/data_gov/dataset.rb', line 31

def pairtree
  @pairtree ||= Pairtree.at(pairtree_location, create: true)
                        .mk(id.delete('-'))
end

#pairtree_location ⇒ Object 



36
37
38
 
# File 'lib/data_gov/dataset.rb', line 36

def pairtree_location
  ENV.fetch('DATA_DIR')
end

#save_ckan_metadata ⇒ Object 



14
15
16
17
18
 
# File 'lib/data_gov/dataset.rb', line 14

def save_ckan_metadata
  pairtree.open('ckan.json', 'w') do |io|
    io.write(JSON.pretty_generate(ckan_metadata))
  end
end