def categorys_tag2bit(categorys_tag):
'''
Convert categorys from tag to bit.
'''
categorys_bit = 0
for category_tag in categorys_tag:
if category_tag["category_checked"] == True:
status = yield from Category.findNumber('count(id)', 'name="%s" and id="%s"' % (category_tag["category_name"], category_tag["category_id"]))
# verify the status of category record.
if 1 == status:
categorys_bit += (1 << int(category_tag["category_id"]))
return categorys_bit
def api_update_categroy(request, *, id, name, weight):
check_admin(request)
if not name or not name.strip():
raise APIValueError("name", "错误：类别名不应为空，请填写类别名。")
if not weight:
raise APIValueError("weight", "错误：类别权重区间为1～100，请设置正确的值。")
if int(weight) < 1 or int(weight) > 100:
raise APIValueError("weight", "错误：类别权重区间为1～100，请设置正确的值。")
sameName = yield from Category.findNumber('count(id)', 'name="%s" and id!="%s"' % (name, id))
if not 0 == sameName:
raise APIValueError("name", "错误：已存在同名类别，请使用其他类别名。")
category = Category(id=id, name=name, weight=weight)
yield from category.update()
return category
def api_add_category(request, *, nameAdded, weightAdded):
check_admin(request)
if not nameAdded or not nameAdded.strip():
raise APIValueError("name", "错误：类别名不应为空，请填写类别名。")
if not weightAdded:
raise APIValueError("weight", "错误：类别权重区间为1～100，请设置正确的值。")
if int(weightAdded) < 1 or int(weightAdded) > 100:
raise APIValueError("weight", "错误：类别权重区间为1～100，请设置正确的值。")
sameName = yield from Category.findNumber('count(id)', 'name="%s"' % nameAdded)
if not 0 == sameName:
raise APIValueError("name", "错误：已存在同名类别，请使用其他类别名。")
idAdded = 64
for i in range(64):
matchItem = yield from Category.find(i)
if None == matchItem:
idAdded = i
break
if idAdded == 64:
raise APIValueError("name", "错误：最多支持64个分类，资源不足。")
category = Category(id=idAdded, name=nameAdded, weight=weightAdded)
rows = yield from category.save()
if not rows == 1:
raise APIValueError("name", "错误：数据库操作失败。")
return category