debian-mirror-gitlab/app/models/concerns/routable.rb

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# frozen_string_literal: true
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# Store object full path in separate table for easy lookup and uniq validation
# Object must have name and path db fields and respond to parent and parent_changed? methods.
module Routable
extend ActiveSupport::Concern
included do
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# Remove `inverse_of: source` when upgraded to rails 5.2
# See https://github.com/rails/rails/pull/28808
has_one :route, as: :source, autosave: true, dependent: :destroy, inverse_of: :source # rubocop:disable Cop/ActiveRecordDependent
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has_many :redirect_routes, as: :source, autosave: true, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
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validates :route, presence: true
scope :with_route, -> { includes(:route) }
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after_validation :set_path_errors
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before_validation :prepare_route
before_save :prepare_route # in case validation is skipped
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end
class_methods do
# Finds a single object by full path match in routes table.
#
# Usage:
#
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# Klass.find_by_full_path('gitlab-org/gitlab-foss')
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#
# Returns a single object, or nil.
def find_by_full_path(path, follow_redirects: false)
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# Case sensitive match first (it's cheaper and the usual case)
# If we didn't have an exact match, we perform a case insensitive search
found = includes(:route).find_by(routes: { path: path }) || where_full_path_in([path]).take
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return found if found
if follow_redirects
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joins(:redirect_routes).find_by("LOWER(redirect_routes.path) = LOWER(?)", path)
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end
end
# Builds a relation to find multiple objects by their full paths.
#
# Usage:
#
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# Klass.where_full_path_in(%w{gitlab-org/gitlab-foss gitlab-org/gitlab})
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#
# Returns an ActiveRecord::Relation.
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def where_full_path_in(paths, use_includes: true)
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return none if paths.empty?
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wheres = paths.map do |path|
"(LOWER(routes.path) = LOWER(#{connection.quote(path)}))"
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end
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route =
if use_includes
includes(:route).references(:routes)
else
joins(:route)
end
route.where(wheres.join(' OR '))
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end
end
def full_name
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route&.name || build_full_name
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end
def full_path
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route&.path || build_full_path
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end
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def full_path_components
full_path.split('/')
end
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def build_full_path
if parent && path
parent.full_path + '/' + path
else
path
end
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end
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# Group would override this to check from association
def owned_by?(user)
owner == user
end
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private
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def set_path_errors
route_path_errors = self.errors.delete(:"route.path")
self.errors[:path].concat(route_path_errors) if route_path_errors
end
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def full_name_changed?
name_changed? || parent_changed?
end
def full_path_changed?
path_changed? || parent_changed?
end
def build_full_name
if parent && name
parent.human_name + ' / ' + name
else
name
end
end
def prepare_route
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return unless full_path_changed? || full_name_changed?
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route || build_route(source: self)
route.path = build_full_path
route.name = build_full_name
end
end