name: Combine lists
description: Combines multiple JSON arrays into one.
inputs:
- {name: list_1, type: JsonArray, optional: true}
- {name: list_2, type: JsonArray, optional: true}
- {name: list_3, type: JsonArray, optional: true}
- {name: list_4, type: JsonArray, optional: true}
- {name: list_5, type: JsonArray, optional: true}
outputs:
- {name: Output, type: JsonArray}
implementation:
  container:
    image: python:3.8
    command:
    - python3
    - -u
    - -c
    - |
      def combine_lists(
          list_1 = None,
          list_2 = None,
          list_3 = None,
          list_4 = None,
          list_5 = None,
      ):
          """Combines multiple JSON arrays into one.

          Annotations:
              author: Alexey Volkov <alexey.volkov@ark-kun.com>
          """
          result = []
          for list in [list_1, list_2, list_3, list_4, list_5]:
              if list is not None:
                  result.extend(list)
          return result

      import json
      def _serialize_json(obj) -> str:
          if isinstance(obj, str):
              return obj
          import json
          def default_serializer(obj):
              if hasattr(obj, 'to_struct'):
                  return obj.to_struct()
              else:
                  raise TypeError("Object of type '%s' is not JSON serializable and does not have .to_struct() method." % obj.__class__.__name__)
          return json.dumps(obj, default=default_serializer, sort_keys=True)

      import argparse
      _parser = argparse.ArgumentParser(prog='Combine lists', description='Combines multiple JSON arrays into one.')
      _parser.add_argument("--list-1", dest="list_1", type=json.loads, required=False, default=argparse.SUPPRESS)
      _parser.add_argument("--list-2", dest="list_2", type=json.loads, required=False, default=argparse.SUPPRESS)
      _parser.add_argument("--list-3", dest="list_3", type=json.loads, required=False, default=argparse.SUPPRESS)
      _parser.add_argument("--list-4", dest="list_4", type=json.loads, required=False, default=argparse.SUPPRESS)
      _parser.add_argument("--list-5", dest="list_5", type=json.loads, required=False, default=argparse.SUPPRESS)
      _parser.add_argument("----output-paths", dest="_output_paths", type=str, nargs=1)
      _parsed_args = vars(_parser.parse_args())
      _output_files = _parsed_args.pop("_output_paths", [])

      _outputs = combine_lists(**_parsed_args)

      _outputs = [_outputs]

      _output_serializers = [
          _serialize_json,

      ]

      import os
      for idx, output_file in enumerate(_output_files):
          try:
              os.makedirs(os.path.dirname(output_file))
          except OSError:
              pass
          with open(output_file, 'w') as f:
              f.write(_output_serializers[idx](_outputs[idx]))
    args:
    - if:
        cond: {isPresent: list_1}
        then:
        - --list-1
        - {inputValue: list_1}
    - if:
        cond: {isPresent: list_2}
        then:
        - --list-2
        - {inputValue: list_2}
    - if:
        cond: {isPresent: list_3}
        then:
        - --list-3
        - {inputValue: list_3}
    - if:
        cond: {isPresent: list_4}
        then:
        - --list-4
        - {inputValue: list_4}
    - if:
        cond: {isPresent: list_5}
        then:
        - --list-5
        - {inputValue: list_5}
    - '----output-paths'
    - {outputPath: Output}