# 3606. Coupon Code Validator
"""
you are given three arrays of length 'n' that describe the properties of 'n'
coupons 'code', 'businessLine', and 'isActive'. the i'th coupon has a string
representing the coupon identifier, a string denoting the business category
of the coupon, a boolean indicating if the coupon is currently active. a
coupon is considered valid if all of the following conditions hold: 'code[i]'
is non-empty and consists of only alphanumeric characters and underscores,
'businessLine[i]' is one of the categories electronics, grocery, pharmacy, or
restaurant, and 'isActive[i]' is True. return an array of the codes of all
valid coupons sorted first by their 'businessLine' order.
"""
class Solution(object):
def validateCoupons(self, code, businessLine, isActive):
"""
:type code: List[str]
:type businessLine: List[str]
:type isActive: List[bool]
:rtype: List[str]
"""
def valid(record):
return (
record[0] in valid_business
and record[2]
and record[1].replace("_", "a").isalnum()
)
valid_business = {"electronics", "grocery", "restaurant", "pharmacy"}
ans = sorted(filter(valid, zip(businessLine, code, isActive)))
return [id for _, id, _ in ans]
if __name__ == "__main__":
obj = Solution()
print(
obj.validateCoupons(
code=["SAVE20", "", "PHARMA5", "SAVE@20"],
businessLine=["restaurant", "grocery", "pharmacy", "restaurant"],
isActive=[True, True, True, True],
)
)
print(
obj.validateCoupons(
code=["GROCERY15", "ELECTRONICS_50", "DISCOUNT10"],
businessLine=["grocery", "electronics", "invalid"],
isActive=[False, True, True],
)
)
