Class: DefaultValues

Inherits:
Sequel::Model
  • Object
show all
Defined in:
backend/app/model/default_values.rb,
frontend/app/models/default_values.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(json) ⇒ DefaultValues

Returns a new instance of DefaultValues.



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# File 'frontend/app/models/default_values.rb', line 19

def initialize(json)
  @json = json
end

Class Method Details

.create_from_json(json, opts = {}) ⇒ Object 



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# File 'backend/app/model/default_values.rb', line 102

def self.create_from_json(json, opts = {})
  super(json, opts.merge('blob' => json.to_json))
end

.create_or_update(json, repo_id, record_type) ⇒ Object 



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# File 'backend/app/model/default_values.rb', line 7

def self.create_or_update(json, repo_id, record_type)
  remove_resolved_references(json)

  id = "#{repo_id}_#{record_type}"

  if self[id]
    self[id].update_from_json(json)
  else
    self.create_from_json(json, {:id => "#{repo_id}_#{record_type}"})
  end

  self[id]
end

.extract_ref_properties(schema, prefix = []) ⇒ Object

Recursively extract all property names that are refs from a schema



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# File 'backend/app/model/default_values.rb', line 41

def self.extract_ref_properties(schema, prefix = [])
  properties = []
  return properties unless schema && schema['properties']

  schema['properties'].each do |prop_name, prop_def|
    current_path = prefix + [prop_name]

    if prop_def['subtype'] == 'ref'
      properties << current_path.join('::')
    end

    if prop_def['type'] == 'array' && prop_def['items']
      items_def = prop_def['items']

      items_defs = items_def.is_a?(Array) ? items_def : [items_def]

      items_defs.each do |item_def|
        if item_def['subtype'] == 'ref'
          properties << current_path.join('::')
        elsif item_def['properties']
          properties.concat(extract_ref_properties(item_def, current_path))
        end
      end
    end

    if prop_def['type'] == 'object' && prop_def['properties']
      properties.concat(extract_ref_properties(prop_def, current_path))
    end
  end

  properties
end

.from_hash(hash) ⇒ Object 



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# File 'frontend/app/models/default_values.rb', line 14

def self.from_hash(hash)
  self.new(JSONModel(:default_values).from_hash(hash))
end

.get(record_type) ⇒ Object 



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# File 'frontend/app/models/default_values.rb', line 4

def self.get(record_type)
  uri = "/repositories/#{JSONModel.repository}/default_values/#{record_type}"
  begin
    self.new(JSONModel(:default_values).from_hash(JSONModel::HTTP.get_json(uri)))
  rescue RecordNotFound
    nil
  end
end

.remove_resolved_references(json) ⇒ Object 



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# File 'backend/app/model/default_values.rb', line 21

def self.remove_resolved_references(json)
  record_schema = JSONModel(json.record_type.to_sym).schema
  ref_properties = extract_ref_properties(record_schema)

  ref_properties.each do |property|
    Array(json.defaults[property]).each { |o| o.delete('_resolved') }
  end
end

.resolve_references(json) ⇒ Object 



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# File 'backend/app/model/default_values.rb', line 87

def self.resolve_references(json)
  record_schema = JSONModel(json.record_type.to_sym).schema
  ref_properties = extract_ref_properties(record_schema)
  container = {'defaults' => json.defaults}
  properties_to_resolve = ref_properties.map { |prop| "defaults::#{prop}" }

  if !properties_to_resolve.empty?
    resolved_container = URIResolver.resolve_references(container, properties_to_resolve)
    json.defaults = resolved_container['defaults']
  end
rescue => e
  Log.warn("Failed to resolve references in default_values: #{e.message}")
  Log.debug(e.backtrace.join("\n"))
end

.sequel_to_jsonmodel(objs, opts = {}) ⇒ Object 



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# File 'backend/app/model/default_values.rb', line 74

def self.sequel_to_jsonmodel(objs, opts = {})
  jsons = objs.map do |obj|
    json = JSONModel(:default_values).new(ASUtils.json_parse(obj[:blob]))
    json.uri = obj.uri
    json.lock_version = obj.lock_version
    resolve_references(json)

    json
  end

  jsons
end

.to_jsonmodel(obj, opts = {}) ⇒ Object 



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# File 'backend/app/model/default_values.rb', line 30

def self.to_jsonmodel(obj, opts = {})
  if obj.is_a? String
    obj = DefaultValues[obj]
    raise NotFoundException.new("#{self} not found") unless obj
  end

  self.sequel_to_jsonmodel([obj], opts)[0]
end

Instance Method Details

#form_values ⇒ Object

We kind of cheat here: the form thinks ‘lock_version’ applies to the archival record, but it’s really for the default_values object



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# File 'frontend/app/models/default_values.rb', line 27

def form_values
  values.merge({:lock_version => @json.lock_version})
end

#save ⇒ Object 



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# File 'frontend/app/models/default_values.rb', line 37

def save
  uri = "/repositories/#{JSONModel.repository}/default_values/#{@json.record_type}"
  url = URI("#{JSONModel::HTTP.backend_url}#{uri}")

  response = JSONModel::HTTP.post_json(url, ASUtils.to_json(@json.to_hash))

  if response.code != '200'
    raise response.body
  end

  response
end

#update_from_json(json, opts = {}, apply_nested_records = false) ⇒ Object 



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# File 'backend/app/model/default_values.rb', line 107

def update_from_json(json, opts = {}, apply_nested_records = false)
  json['lock_version'] ||= 0
  super(json, opts.merge('blob' => json.to_json))
end

#uri ⇒ Object 



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# File 'backend/app/model/default_values.rb', line 113

def uri
  "/repositories/#{self.repo_id}/default_values/#{self.record_type}"
end

#values ⇒ Object 



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# File 'frontend/app/models/default_values.rb', line 32

def values
  @json.defaults || {}
end