Module: Shared::Permissions

Extended by:
ActiveSupport::Concern
Included in:
News
Defined in:
app/models/concerns/shared/permissions.rb

Instance Method Summary collapse

Instance Method Details

#is_destroyable?(user) ⇒ Boolean

Returns whether it is permissible to try to destroy the record based on its relationships to projects the user is in. I.e. false if it is related to data in a project in which they user is not a member. !! Does not look at :dependendant assertions

Parameters:

  • user (user_id or User) —

    an id or User object

Returns:

  • (Boolean) —

    true - there is at least some related data in another projects



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# File 'app/models/concerns/shared/permissions.rb', line 15

def is_destroyable?(user)
  u = user
  u = User.find(user) if !user.kind_of?(User)
  return true if u.is_administrator?

  p = u.projects.pluck(:id)

  # TODO: !! replace with a simple wrapped transaction and roll it back

  self.class.reflect_on_all_associations(:has_many).each do |r|
    if r.klass.column_names.include?('project_id')
      # If this has any related data in another project, we can't destroy it
      #    if !send(r.name).nil?
      return false if send(r.name).where.not(project_id: p).any? # count(:all) > 0
      #     end
    end
  end

  self.class.reflect_on_all_associations(:has_one).each do |r|
    if is_community? # *this* object is community, others we don't care about
      if o = send(r.name)
        return false if o.respond_to?(:project_id) && !p.include?(o.project_id)
      end
    end
  end
  true
end

#is_editable?(user) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/concerns/shared/permissions.rb', line 48

def is_editable?(user)
  u = user
  u = User.find(user) if !user.kind_of?(User)
  return true if u.is_administrator? || is_community?
  return false if !is_in_users_projects?(u)
  true
end

#is_in_users_projects?(user) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/concerns/shared/permissions.rb', line 44

def is_in_users_projects?(user)
  user.projects.pluck(:id).include?(project_id)
end