demarches-normaliennes/app/models/champ.rb

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# == Schema Information
#
# Table name: champs
#
# id :integer not null, primary key
# data :jsonb
# fetch_external_data_exceptions :string is an Array
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# prefilled :boolean default(FALSE)
# private :boolean default(FALSE), not null
# rebased_at :datetime
# type :string
# value :string
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# value_json :jsonb
# created_at :datetime
# updated_at :datetime
# dossier_id :integer
# etablissement_id :integer
# external_id :string
# parent_id :bigint
# row_id :string
# type_de_champ_id :integer
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#
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class Champ < ApplicationRecord
belongs_to :dossier, inverse_of: false, touch: true, optional: false
belongs_to :type_de_champ, inverse_of: :champ, optional: false
belongs_to :parent, class_name: 'Champ', optional: true
has_many_attached :piece_justificative_file
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# We declare champ specific relationships (Champs::CarteChamp, Champs::SiretChamp and Champs::RepetitionChamp)
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# here because otherwise we can't easily use includes in our queries.
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has_many :geo_areas, -> { order(:created_at) }, dependent: :destroy, inverse_of: :champ
belongs_to :etablissement, optional: true, dependent: :destroy
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has_many :champs, -> { ordered }, foreign_key: :parent_id, inverse_of: :parent, dependent: :destroy
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delegate :procedure, to: :dossier
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delegate :libelle,
:type_champ,
:description,
:drop_down_list_options,
:drop_down_other?,
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:drop_down_list_options?,
:drop_down_list_disabled_options,
:drop_down_list_enabled_non_empty_options,
:drop_down_secondary_libelle,
:drop_down_secondary_description,
:collapsible_explanation_enabled?,
:collapsible_explanation_text,
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:exclude_from_export?,
:exclude_from_view?,
:repetition?,
:block?,
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:dossier_link?,
:titre_identite?,
:header_section?,
:simple_drop_down_list?,
:linked_drop_down_list?,
:non_fillable?,
:fillable?,
:cnaf?,
:dgfip?,
:pole_emploi?,
:mesri?,
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:rna?,
:siret?,
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:carte?,
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:stable_id,
:mandatory?,
:prefillable?,
:refresh_after_update?,
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to: :type_de_champ
scope :updated_since?, -> (date) { where('champs.updated_at > ?', date) }
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scope :public_only, -> { where(private: false) }
scope :private_only, -> { where(private: true) }
scope :ordered, -> do
includes(:type_de_champ)
.joins(dossier: { revision: :revision_types_de_champ })
.where('procedure_revision_types_de_champ.type_de_champ_id = champs.type_de_champ_id')
.order(:row_id, :position)
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end
scope :public_ordered, -> { public_only.ordered }
scope :private_ordered, -> { private_only.ordered }
scope :root, -> { where(parent_id: nil) }
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scope :prefilled, -> { where(prefilled: true) }
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before_create :set_dossier_id, if: :needs_dossier_id?
before_validation :set_dossier_id, if: :needs_dossier_id?
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before_save :cleanup_if_empty
before_save :normalize
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after_update_commit :fetch_external_data_later
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def public?
!private?
end
def child?
parent_id.present?
end
def sections
@sections ||= dossier.sections_for(self)
end
# used for the `required` html attribute
# check visibility to avoid hidden required input
# which prevent the form from being sent.
def required?
type_de_champ.mandatory? && visible?
end
def mandatory_blank?
mandatory? && blank?
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end
def blank?
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value.blank?
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end
def search_terms
[to_s]
end
def to_s
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value.present? ? value.to_s : ''
end
def for_export
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value.presence
end
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def for_api
value
end
def for_api_v2
to_s
end
def for_tag
value.present? ? value.to_s : ''
end
def main_value_name
:value
end
def to_typed_id
if row_id.present?
GraphQL::Schema::UniqueWithinType.encode('Champ', "#{stable_id}|#{row_id}")
else
type_de_champ.to_typed_id
end
end
def self.decode_typed_id(typed_id)
_, stable_id_with_maybe_row = GraphQL::Schema::UniqueWithinType.decode(typed_id)
stable_id_with_maybe_row.split('|')
end
def html_label?
true
end
def input_group_id
"champ-#{html_id}"
end
def input_id
"#{html_id}-input"
end
# A predictable string to use when generating an input name for this champ.
#
# Rail's FormBuilder can auto-generate input names, using the form "dossier[champs_public_attributes][5]",
# where [5] is the index of the field in the form.
# However the field index makes it difficult to render a single field, independent from the ordering of the others.
#
# Luckily, this is only used to make the name unique, but the actual value is ignored when Rails parses nested
# attributes. So instead of the field index, this method uses the champ id; which gives us an independent and
# predictable input name.
def input_name
if private?
"dossier[champs_private_attributes][#{id}]"
else
"dossier[champs_public_attributes][#{id}]"
end
end
def labelledby_id
"#{html_id}-label"
end
def describedby_id
"#{html_id}-description" if description.present?
end
def log_fetch_external_data_exception(exception)
exceptions = self.fetch_external_data_exceptions ||= []
exceptions << exception.inspect
update_column(:fetch_external_data_exceptions, exceptions)
end
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def fetch_external_data?
false
end
def fetch_external_data
raise NotImplemented.new(:fetch_external_data)
end
def conditional?
type_de_champ.read_attribute_before_type_cast('condition').present?
end
def visible?
# Huge gain perf for cascade conditions
return @visible if instance_variable_defined? :@visible
@visible = if conditional?
type_de_champ.condition.compute(champs_for_condition)
else
true
end
end
def clone
champ_attributes = [:parent_id, :private, :row_id, :type, :type_de_champ_id]
value_attributes = private? ? [] : [:value, :value_json, :data, :external_id]
relationships = private? ? [] : [:etablissement, :geo_areas]
deep_clone(only: champ_attributes + value_attributes, include: relationships) do |original, kopy|
PiecesJustificativesService.clone_attachments(original, kopy)
end
end
private
def champs_for_condition
dossier.champs.filter { _1.row_id.nil? || _1.row_id == row_id }
end
def html_id
"#{stable_id}-#{id}"
end
def needs_dossier_id?
!dossier_id && parent_id
end
def set_dossier_id
self.dossier_id = parent.dossier_id
end
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def cleanup_if_empty
if external_id_changed?
self.data = nil
end
end
def fetch_external_data_later
if fetch_external_data? && external_id.present? && data.nil?
ChampFetchExternalDataJob.perform_later(self, external_id)
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end
end
def normalize
return if value.nil?
return if value.present? && !value.include?("\u0000")
self.value = value.delete("\u0000")
end
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class NotImplemented < ::StandardError
def initialize(method)
super(":#{method} not implemented")
end
end
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end