def set_default_category(category):
assert category
old_category = try_get_default_category(lock=True)
if old_category:
db.session.refresh(old_category)
old_category.default = False
db.session.refresh(category)
category.default = True
cache.remove(DEFAULT_CATEGORY_NAME_CACHE_KEY)
def set_default_category(category: model.TagCategory) -> None:
assert category
old_category = try_get_default_category(lock=True)
if old_category:
db.session.refresh(old_category)
old_category.default = False
db.session.refresh(category)
category.default = True
cache.remove(DEFAULT_CATEGORY_NAME_CACHE_KEY)
def update_category_name(category, name):
assert category
if not name:
raise InvalidTagCategoryNameError('Name cannot be empty.')
expr = sqlalchemy.func.lower(db.TagCategory.name) == name.lower()
if category.tag_category_id:
expr = expr & (
db.TagCategory.tag_category_id != category.tag_category_id)
already_exists = db.session.query(db.TagCategory).filter(expr).count() > 0
if already_exists:
raise TagCategoryAlreadyExistsError(
'A category with this name already exists.')
if util.value_exceeds_column_size(name, db.TagCategory.name):
raise InvalidTagCategoryNameError('Name is too long.')
_verify_name_validity(name)
category.name = name
cache.remove(DEFAULT_CATEGORY_NAME_CACHE_KEY)
def update_category_name(category: model.TagCategory, name: str) -> None:
assert category
if not name:
raise InvalidTagCategoryNameError('이름은 빈 값일 수 없습니다.')
expr = sa.func.lower(model.TagCategory.name) == name.lower()
if category.tag_category_id:
expr = expr & (model.TagCategory.tag_category_id !=
category.tag_category_id)
already_exists = (db.session.query(model.TagCategory).filter(expr).count()
> 0)
if already_exists:
raise TagCategoryAlreadyExistsError('동일한 이름의 카테고리자 존재합니다.')
if util.value_exceeds_column_size(name, model.TagCategory.name):
raise InvalidTagCategoryNameError('이름이 너무 깁니다.')
_verify_name_validity(name)
category.name = name
cache.remove(DEFAULT_CATEGORY_NAME_CACHE_KEY)
def update_category_name(category: model.TagCategory, name: str) -> None:
assert category
if not name:
raise InvalidTagCategoryNameError("Name cannot be empty.")
expr = sa.func.lower(model.TagCategory.name) == name.lower()
if category.tag_category_id:
expr = expr & (model.TagCategory.tag_category_id !=
category.tag_category_id)
already_exists = (db.session.query(model.TagCategory).filter(expr).count()
> 0)
if already_exists:
raise TagCategoryAlreadyExistsError(
"A category with this name already exists.")
if util.value_exceeds_column_size(name, model.TagCategory.name):
raise InvalidTagCategoryNameError("Name is too long.")
_verify_name_validity(name)
category.name = name
cache.remove(DEFAULT_CATEGORY_NAME_CACHE_KEY)
