feat(procedure_presentation): pass filters as serialized snapshot

app/models/export.rb

@@ -5,6 +5,7 @@
 #  id                              :bigint           not null, primary key
 #  format                          :string           not null
 #  key                             :text             not null
+#  procedure_presentation_snapshot :jsonb
 #  statut                          :string           default("tous")
 #  time_span_type                  :string           default("everything"), not null
 #  created_at                      :datetime         not null
@@ -60,6 +61,8 @@ class Export < ApplicationRecord
   end
 
   def compute
+    load_snapshot!
+
     file.attach(
       io: io,
       filename: filename,
@@ -78,7 +81,11 @@ class Export < ApplicationRecord
   end
 
   def old?
-    updated_at < 20.minutes.ago
+    updated_at < 20.minutes.ago || filters_changed?
+  end
+
+  def filters_changed?
+    procedure_presentation&.snapshot != procedure_presentation_snapshot
   end
 
   def filtered?
@@ -98,7 +105,7 @@ class Export < ApplicationRecord
   end
 
   def self.find_or_create_export(format, groupe_instructeurs, time_span_type: time_span_types.fetch(:everything), statut: statuts.fetch(:tous), procedure_presentation: nil)
-    create_with(groupe_instructeurs: groupe_instructeurs, procedure_presentation: procedure_presentation)
+    create_with(groupe_instructeurs: groupe_instructeurs, procedure_presentation: procedure_presentation, procedure_presentation_snapshot: procedure_presentation&.snapshot)
       .includes(:procedure_presentation)
       .create_or_find_by(format: format,
         time_span_type: time_span_type,
@@ -147,6 +154,12 @@ class Export < ApplicationRecord
 
   private
 
+  def load_snapshot!
+    if procedure_presentation_snapshot.present?
+      procedure_presentation.attributes = procedure_presentation_snapshot
+    end
+  end
+
   def dossiers_for_export
     @dossiers_for_export ||= begin
       dossiers = Dossier.where(groupe_instructeur: groupe_instructeurs)

app/models/procedure_presentation.rb

@@ -263,6 +263,10 @@ class ProcedurePresentation < ApplicationRecord
     })
   end
 
+  def snapshot
+    slice(:filters, :sort, :displayed_fields)
+  end
+
   private
 
   def field_id(field)

db/migrate/20220405163206_add_procedure_presentation_snapshot_to_exports.rb

@@ -0,0 +1,5 @@
+class AddProcedurePresentationSnapshotToExports < ActiveRecord::Migration[6.1]
+  def change
+    add_column :exports, :procedure_presentation_snapshot, :jsonb
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2022_04_05_110354) do
+ActiveRecord::Schema.define(version: 2022_04_05_163206) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -432,6 +432,7 @@ ActiveRecord::Schema.define(version: 2022_04_05_110354) do
     t.string "format", null: false
     t.text "key", null: false
     t.bigint "procedure_presentation_id"
+    t.jsonb "procedure_presentation_snapshot"
     t.string "statut", default: "tous"
     t.string "time_span_type", default: "everything", null: false
     t.datetime "updated_at", null: false