demarches-normaliennes/app/models/concerns/dossier_rebase_concern.rb

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module DossierRebaseConcern
extend ActiveSupport::Concern
def rebase!
if can_rebase?
transaction do
rebase
end
end
end
def can_rebase?
revision != procedure.published_revision &&
(brouillon? || accepted_en_construction_changes? || accepted_en_instruction_changes?)
end
def pending_changes
revision.compare(procedure.published_revision)
end
private
def accepted_en_construction_changes?
en_construction? && pending_changes.all? { |change| accepted_en_construction_change?(change) }
end
def accepted_en_instruction_changes?
en_instruction? && pending_changes.all? { |change| accepted_en_instruction_change?(change) }
end
def accepted_en_construction_change?(change)
if change[:model] == :attestation_template || change[:op] == :move || change[:op] == :remove
true
elsif change[:op] == :update
case change[:attribute]
when :carte_layers
true
when :mandatory
change[:from] && !change[:to]
else
false
end
else
false
end
end
def accepted_en_instruction_change?(change)
change[:model] == :attestation_template
end
def rebase
# revision we are rebasing to
target_revision = procedure.published_revision
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# index published types de champ coordinates by stable_id
target_coordinates_by_stable_id = target_revision
.revision_types_de_champ
.includes(:type_de_champ, :parent)
.index_by(&:stable_id)
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changes_by_op = pending_changes
.filter { |change| change[:model] == :type_de_champ }
.group_by { |change| change[:op] }
.tap { |h| h.default = [] }
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# add champ
changes_by_op[:add]
.map { |change| change[:stable_id] }
.map { |stable_id| target_coordinates_by_stable_id[stable_id] }
.each { |coordinate| add_new_champs_for_revision(coordinate) }
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# remove champ
changes_by_op[:remove]
.each { |change| delete_champs_for_revision(change[:stable_id]) }
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changes_by_op[:update]
.map { |change| [change, Champ.joins(:type_de_champ).where(dossier: self, type_de_champ: { stable_id: change[:stable_id] })] }
.each { |change, champs| apply(change, champs) }
# due to repetition tdc clone on update or erase
# we must reassign tdc to the latest version
Champ
.includes(:type_de_champ)
.where(dossier: self)
.map { |c| [c, target_coordinates_by_stable_id[c.stable_id].type_de_champ] }
.each { |c, target_tdc| c.update_columns(type_de_champ_id: target_tdc.id, rebased_at: Time.zone.now) }
# update dossier revision
self.update_column(:revision_id, target_revision.id)
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end
def apply(change, champs)
case change[:attribute]
when :type_champ
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champs.each { |champ| champ.piece_justificative_file.purge_later } # FIX ME: change updated_at
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GeoArea.where(champ: champs).destroy_all
{
type: "Champs::#{change[:to].classify}Champ",
value: nil,
external_id: nil,
data: nil
}
when :drop_down_options
{ value: nil }
when :carte_layers
# if we are removing cadastres layer, we need to remove cadastre geo areas
if change[:from].include?(:cadastres) && !change[:to].include?(:cadastres)
champs.each { |champ| champ.cadastres.each(&:destroy) }
end
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nil
end
&.then { |update_params| champs.update_all(update_params) }
end
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def add_new_champs_for_revision(target_coordinate)
if target_coordinate.child?
# If this type de champ is a child, we create a new champ for each row of the parent
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parent_stable_id = target_coordinate.parent.stable_id
champs_repetition = Champ
.includes(:champs, :type_de_champ)
.where(dossier: self, type_de_champ: { stable_id: parent_stable_id })
champs_repetition.each do |champ_repetition|
champ_repetition.champs.map(&:row).uniq.each do |row|
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create_champ(target_coordinate, champ_repetition, row: row)
end
end
else
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create_champ(target_coordinate, self)
end
end
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def create_champ(target_coordinate, parent, row: nil)
params = { revision: target_coordinate.revision }
params[:row] = row if row
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champ = target_coordinate
.type_de_champ
.build_champ(params)
parent.champs << champ
end
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def delete_champs_for_revision(stable_id)
Champ
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.joins(:type_de_champ)
.where(dossier: self, types_de_champ: { stable_id: stable_id })
.destroy_all
end
end