79 lines
3.7 KiB
Ruby
79 lines
3.7 KiB
Ruby
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namespace :after_party do
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desc 'Deployment task: delete_roles_without_users'
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task delete_roles_without_users: :environment do
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rake_puts "Running deploy task 'delete_roles_without_users'"
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# For now, deleting a user with any role (administrateur, instructeur or expert) is forbidden.
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#
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# However, in the past, some users with roles may have been deleted – without the corresponding roles being
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# also removed. This creates invalid roles, referenced by no users (but still referenced by other records).
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#
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# To prevent this situation, future database migrations will add more constraints on roles.
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# But before adding constraints, we need to clean up any dangling role that may exist.
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# Helper method
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def raise_no_admin_error(service)
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message = <<~EOE
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Error while re-assigning Service \##{service.id} to another Administrateur.
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We tried to re-assign the Service \##{service.id} to another Administrateur,
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but none of the Procedures (#{service.procedures.pluck(:id)}) attached to this Service had other Administrateurs
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to assign the service to.
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Please fix the Service \##{service.id} manually (by assigning it to any valid administrator, for instance the
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first one in your database), then run this task again.
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EOE
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raise RuntimeError, message
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end
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#
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# Delete dangling administrateurs (administrateurs without an existing user)
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#
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rake_puts "\nFinding dangling administrateurs…"
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dangling_administrateurs = Administrateur.where.missing(:user)
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rake_puts "#{dangling_administrateurs.count} dangling administrateurs found."
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if dangling_administrateurs.any?
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# An administrateur can't be removed if it has services.
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# For those services:
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# - delete services not referenced by any procedure
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# - re-assign the other services to the first admin of a procedure using this service
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rake_puts " Removing or re-assigning their services…"
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dangling_services = dangling_administrateurs.map(&:services).flatten
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services_with_procedures, services_without_procedures = dangling_services.partition { |s| s.procedures.any? }
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services_with_procedures.each do |service|
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other_admins = service.procedures.flat_map(&:administrateurs).excluding(service.administrateur)
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raise_no_admin_error(service) if other_admins.empty?
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service.update!(administrateur: other_admins.first)
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end
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services_without_procedures.each(&:destroy)
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rake_puts " #{services_with_procedures.length} services re-assigned, #{services_without_procedures.length} services destroyed."
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# Now we can destroy dangling administrateurs
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rake_puts " Destroying #{dangling_administrateurs.count} dangling administrateurs…"
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deleted_records = dangling_administrateurs.destroy_all
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rake_puts " #{deleted_records.length} dangling administrateurs destroyed."
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end
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#
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# Delete dangling instructeurs (instructeurs without an existing user)
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#
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rake_puts "\nFinding dangling instructeurs…"
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deleted_records = Instructeur.where.missing(:user).destroy_all
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rake_puts "#{deleted_records.length} dangling instructeurs destroyed."
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#
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# Delete dangling experts (experts without an existing user)
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#
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rake_puts "\nFinding dangling experts…"
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deleted_records = Expert.where.missing(:user).destroy_all
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rake_puts "#{deleted_records.length} dangling experts destroyed."
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# Update task as completed. If you remove the line below, the task will
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# run with every deploy (or every time you call after_party:run).
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AfterParty::TaskRecord
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.create version: AfterParty::TaskRecorder.new(__FILE__).timestamp
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end
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end
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