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# frozen_string_literal: true
module Gitlab
module Ci
module Variables
module Downstream
class Generator
include Gitlab::Utils::StrongMemoize
Context = Struct.new(:all_bridge_variables, :expand_file_refs, keyword_init: true)
def initialize(bridge)
@bridge = bridge
context = Context.new(all_bridge_variables: bridge.variables, expand_file_refs: bridge.expand_file_refs?)
@raw_variable_generator = RawVariableGenerator.new(context)
@expandable_variable_generator = ExpandableVariableGenerator.new(context)
end
def calculate
calculate_downstream_variables
.reverse # variables priority
.uniq { |var| var[:key] } # only one variable key to pass
.reverse
end
private
attr_reader :bridge, :all_bridge_variables
def calculate_downstream_variables
# The order of this list refers to the priority of the variables
# The variables added later takes priority.
downstream_yaml_variables +
downstream_pipeline_variables +
downstream_pipeline_schedule_variables
end
def downstream_yaml_variables
return [] unless bridge.forward_yaml_variables?
build_downstream_variables_from(bridge.yaml_variables)
end
def downstream_pipeline_variables
return [] unless bridge.forward_pipeline_variables?
pipeline_variables = bridge.pipeline_variables.to_a
build_downstream_variables_from(pipeline_variables)
end
def downstream_pipeline_schedule_variables
return [] unless bridge.forward_pipeline_variables?
pipeline_schedule_variables = bridge.pipeline_schedule_variables.to_a
build_downstream_variables_from(pipeline_schedule_variables)
end
def build_downstream_variables_from(variables)
Gitlab::Ci::Variables::Collection.fabricate(variables).flat_map do |item|
if item.raw?
@raw_variable_generator.for(item)
else
@expandable_variable_generator.for(item)
end
end
end
end
end
end
end
end
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