hedy_content.py

import copy
import attr
from website.yaml_file import YamlFile


class LevelDefaults:
  def __init__(self, language):
    self.language = language
    self.levels = YamlFile.for_file(f'coursedata/level-defaults/{self.language}.yaml')

  def max_level(self):
    all_levels = self.levels.keys()
    max_consecutive_level = 1
    previous_level = 0
    for level in all_levels:
      if level == previous_level + 1:
        previous_level = level
        max_consecutive_level = level
      else:
        return previous_level


    return max_consecutive_level

  def get_defaults_for_level(self, level):
    #grabs level defaults from yaml and converts to DefaultValues type
    default_values = self.levels[level]

    default_type = {
      "level": str(level),
    }
    default_type.update(**default_values)

    return DefaultValues(**default_type)

  def get_defaults(self, level):
    """Return the level defaults for a given level number."""

    return copy.deepcopy(self.levels.get(int(level), {}))

class NoSuchDefaults:
  def get_defaults(self, level):
    return {}

class Adventures:
  def __init__(self, language):
    self.language = language
    self.adventures_file = YamlFile.for_file(f'coursedata/adventures/{self.language}.yaml')

    # When customizing classes we only want to retrieve the name, (id) and level of each adventure
  def get_adventure_keyname_name_levels(self):
    adventures = self.adventures_file['adventures']
    adventures_dict = {}
    for adventure in adventures.items():
      adventures_dict[adventure[0]] = {adventure[1]['name']: list(adventure[1]['levels'].keys())}
    return adventures_dict

  def has_adventures(self):
    return self.adventures_file.exists() and self.adventures_file.get('adventures')

class NoSuchAdventure:
  def get_defaults(self, level):
    return {}


@attr.s(slots=True, frozen=True)
class DefaultValues:
  """Default texts for a level"""

  level = attr.ib()
  intro_text = attr.ib(default=None)
  start_code = attr.ib(default=None)
  commands = attr.ib(default=None)