scinote-web/app/models/user_project.rb

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class UserProject < ActiveRecord::Base
enum role: { owner: 0, normal_user: 1, technician: 2, viewer: 3 }
validates :role, presence: true
validates :user, presence: true
validates :project, presence: true
belongs_to :user, inverse_of: :user_projects
belongs_to :assigned_by, foreign_key: 'assigned_by_id', class_name: 'User'
belongs_to :project, inverse_of: :user_projects
before_destroy :destroy_associations
def role_str
I18n.t("user_projects.enums.role.#{role.to_s}")
end
def destroy_associations
# Destroy the user from all project's modules
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project.project_my_modules.each do |my_module|
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um2 = (my_module.user_my_modules.select { |um| um.user == self.user }).first
if um2.present?
um2.destroy
end
end
end
end