diff options
Diffstat (limited to 'app/models/packages/dependency.rb')
-rw-r--r-- | app/models/packages/dependency.rb | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/app/models/packages/dependency.rb b/app/models/packages/dependency.rb new file mode 100644 index 00000000000..51b80934827 --- /dev/null +++ b/app/models/packages/dependency.rb @@ -0,0 +1,47 @@ +# frozen_string_literal: true +class Packages::Dependency < ApplicationRecord + has_many :dependency_links, class_name: 'Packages::DependencyLink' + + validates :name, :version_pattern, presence: true + + validates :name, uniqueness: { scope: :version_pattern } + + NAME_VERSION_PATTERN_TUPLE_MATCHING = '(name, version_pattern) = (?, ?)'.freeze + MAX_STRING_LENGTH = 255.freeze + MAX_CHUNKED_QUERIES_COUNT = 10.freeze + + def self.ids_for_package_names_and_version_patterns(names_and_version_patterns = {}, chunk_size = 50, max_rows_limit = 200) + names_and_version_patterns.reject! { |key, value| key.size > MAX_STRING_LENGTH || value.size > MAX_STRING_LENGTH } + raise ArgumentError, 'Too many names_and_version_patterns' if names_and_version_patterns.size > MAX_CHUNKED_QUERIES_COUNT * chunk_size + + matched_ids = [] + names_and_version_patterns.each_slice(chunk_size) do |tuples| + where_statement = Array.new(tuples.size, NAME_VERSION_PATTERN_TUPLE_MATCHING) + .join(' OR ') + ids = where(where_statement, *tuples.flatten) + .limit(max_rows_limit + 1) + .pluck(:id) + matched_ids.concat(ids) + + raise ArgumentError, 'Too many Dependencies selected' if matched_ids.size > max_rows_limit + end + + matched_ids + end + + def self.for_package_names_and_version_patterns(names_and_version_patterns = {}, chunk_size = 50, max_rows_limit = 200) + ids = ids_for_package_names_and_version_patterns(names_and_version_patterns, chunk_size, max_rows_limit) + + return none if ids.empty? + + id_in(ids) + end + + def self.pluck_ids_and_names + pluck(:id, :name) + end + + def orphaned? + self.dependency_links.empty? + end +end |