54 lines
1.9 KiB
Ruby
54 lines
1.9 KiB
Ruby
# frozen_string_literal: true
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class Packages::Dependency < ApplicationRecord
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include EachBatch
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has_many :dependency_links, class_name: 'Packages::DependencyLink'
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validates :name, :version_pattern, presence: true
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validates :name, uniqueness: { scope: :version_pattern }
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NAME_VERSION_PATTERN_TUPLE_MATCHING = '(name, version_pattern) = (?, ?)'
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MAX_STRING_LENGTH = 255
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MAX_CHUNKED_QUERIES_COUNT = 10
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def self.ids_for_package_names_and_version_patterns(names_and_version_patterns = {}, chunk_size = 50, max_rows_limit = 200)
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names_and_version_patterns.reject! { |key, value| key.size > MAX_STRING_LENGTH || value.size > MAX_STRING_LENGTH }
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raise ArgumentError, 'Too many names_and_version_patterns' if names_and_version_patterns.size > MAX_CHUNKED_QUERIES_COUNT * chunk_size
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matched_ids = []
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names_and_version_patterns.each_slice(chunk_size) do |tuples|
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where_statement = Array.new(tuples.size, NAME_VERSION_PATTERN_TUPLE_MATCHING)
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.join(' OR ')
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ids = where(where_statement, *tuples.flatten)
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.limit(max_rows_limit + 1)
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.pluck(:id)
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matched_ids.concat(ids)
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raise ArgumentError, 'Too many Dependencies selected' if matched_ids.size > max_rows_limit
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end
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matched_ids
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end
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def self.for_package_names_and_version_patterns(names_and_version_patterns = {}, chunk_size = 50, max_rows_limit = 200)
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ids = ids_for_package_names_and_version_patterns(names_and_version_patterns, chunk_size, max_rows_limit)
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return none if ids.empty?
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id_in(ids)
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end
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def self.pluck_ids_and_names
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pluck(:id, :name)
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end
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def self.orphaned
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subquery = Packages::DependencyLink.where(Packages::DependencyLink.arel_table[:dependency_id].eq(Packages::Dependency.arel_table[:id]))
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where_not_exists(subquery)
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end
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def orphaned?
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self.dependency_links.empty?
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end
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end
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