[#3268] Rake task to correct bad follows and logs

lib/tasks/2019_01_16_fix_automatic_dossier_logs.rake

@@ -0,0 +1,61 @@
+class FixAutomaticDossierLogs_2019_01_16
+  def find_handlers
+    # rubocop:disable Security/YAMLLoad
+    Delayed::Job.where(queue: 'cron')
+      .map { |job| YAML.load(job.handler) }
+      .select { |handler| handler.job_data['job_class'] == 'AutoReceiveDossiersForProcedureJob' }
+    # rubocop:enable Security/YAMLLoad
+  end
+
+  def run
+    handlers = find_handlers
+
+    handlers
+      .map { |handler| handler.job_data['arguments'] }
+      .each do |(procedure_id, state)|
+
+      procedure = Procedure
+        .includes(:administrateur, dossiers: [:dossier_operation_logs, :follows])
+        .find(procedure_id)
+
+      rake_puts "working on procedure #{procedure_id}, #{procedure.libelle} whose admin is #{procedure.administrateur.email}"
+
+      case state
+      when Dossier.states.fetch(:en_instruction)
+        dossiers = procedure.dossiers.state_en_instruction
+        operation = 'passer_en_instruction'
+      when Dossier.states.fetch(:accepte)
+        dossiers = procedure.dossiers.accepte
+        operation = 'accepter'
+      end
+
+      dossier_operation_logs = DossierOperationLog
+        .where(dossier: dossiers, operation: operation)
+
+      rake_puts "affecting #{dossier_operation_logs.count} dossier_operation_logs"
+
+      dossier_operation_logs
+        .update_all(gestionnaire_id: nil, automatic_operation: true)
+
+      # if the dossier is only followed by the procedure administrateur
+      # unfollow
+      if state == Dossier.states.fetch(:en_instruction)
+        dossier_to_unfollows = dossiers
+          .select { |d| d.follows.count == 1 && d.follows.first.gestionnaire.email == procedure.administrateur.email }
+
+        rake_puts "affecting #{dossier_to_unfollows.count} dossiers"
+
+        dossier_to_unfollows
+          .each { |d| d.follows.destroy_all }
+      end
+
+      rake_puts ""
+    end
+  end
+end
+
+namespace :'2019_01_16_fix_automatic_dossier_logs' do
+  task run: :environment do
+    FixAutomaticDossierLogs_2019_01_16.new.run
+  end
+end