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""" |
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byceps.services.tourney.category_service |
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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:Copyright: 2006-2020 Jochen Kupperschmidt |
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:License: Modified BSD, see LICENSE for details. |
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""" |
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from typing import Optional, Sequence |
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from ...database import db |
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from ...typing import PartyID |
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from ..party.models.party import Party as DbParty |
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from .models.tourney_category import TourneyCategory as DbTourneyCategory |
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from .transfer.models import TourneyCategory, TourneyCategoryID |
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def create_category(party_id: PartyID, title: str) -> DbTourneyCategory: |
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"""Create a category for that party.""" |
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party = DbParty.query.get(party_id) |
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if party is None: |
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raise ValueError(f'Unknown party ID "{party_id}"') |
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category = DbTourneyCategory(party.id, title) |
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party.tourney_categories.append(category) |
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db.session.commit() |
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return _db_entity_to_category(category) |
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def update_category(category_id: TourneyCategoryID, title: str) -> None: |
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"""Update category.""" |
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category = _get_db_category(category_id) |
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category.title = title |
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db.session.commit() |
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def move_category_up(category_id: TourneyCategoryID) -> None: |
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"""Move a category upwards by one position.""" |
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category = _get_db_category(category_id) |
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category_list = category.party.tourney_categories |
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if category.position == 1: |
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raise ValueError('Category already is at the top.') |
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popped_category = category_list.pop(category.position - 1) |
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category_list.insert(popped_category.position - 2, popped_category) |
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db.session.commit() |
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def move_category_down(category_id: TourneyCategoryID) -> None: |
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"""Move a category downwards by one position.""" |
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category = _get_db_category(category_id) |
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category_list = category.party.tourney_categories |
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if category.position == len(category_list): |
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raise ValueError('Category already is at the bottom.') |
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popped_category = category_list.pop(category.position - 1) |
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category_list.insert(popped_category.position, popped_category) |
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db.session.commit() |
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def find_category( |
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category_id: TourneyCategoryID, |
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) -> Optional[DbTourneyCategory]: |
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"""Return the category with that id, or `None` if not found.""" |
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category = _find_db_category(category_id) |
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if category is None: |
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return None |
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return _db_entity_to_category(category) |
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def _find_db_category(category_id: TourneyCategoryID) -> Optional[DbTourneyCategory]: |
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return DbTourneyCategory.query.get(category_id) |
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def _get_db_category(category_id: TourneyCategoryID) -> DbTourneyCategory: |
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category = _find_db_category(category_id) |
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if category is None: |
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raise ValueError(f'Unknown category ID "{category_id}"') |
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return category |
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def get_categories_for_party(party_id: PartyID) -> Sequence[DbTourneyCategory]: |
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"""Return the categories for this party.""" |
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return DbTourneyCategory.query \ |
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.filter_by(party_id=party_id) \ |
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.order_by(DbTourneyCategory.position) \ |
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.all() |
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def _db_entity_to_category(category: DbTourneyCategory) -> TourneyCategory: |
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return TourneyCategory( |
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category.id, |
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category.party_id, |
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category.position, |
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category.title, |
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) |
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byceps /
byceps
