poyee-data-warehouse/dw_base/spark/udf/enterprise/unique/spark_tid_match_udf.py

"""
批量匹配tid
"""
import hashlib
import json
from functools import lru_cache

from dw_base.spark.udf.enterprise.unique.ent_offline_udf_indonesia import clean_company_name_idn, generate_tid_idn
from dw_base.utils.tid_utils import TidGeneratorFactory

mapping = {}

tid_generator = TidGeneratorFactory().createTidGenerator('Enterprise')


def generate_tid(website, name, country_code3):
    if not name:
        return None
    if country_code3 in ['IDN']:
        cleaned_name = clean_company_name_idn(name)
        return match_tid(name, cleaned_name, country_code3)
    else:
        return old_generate_tid(website, name, country_code3)


def generate_md5_hash(input_str: str):
    md5_hash = hashlib.md5(input_str.encode('utf-8'))
    return md5_hash.hexdigest()


def old_generate_tid(website, name, country_code3):
    if not name:
        return None
    input_str = website if website else f"{name}-{country_code3 if country_code3 else ''}"
    return generate_md5_hash(input_str)


def match_tid(name: str, cleaned_name: str, country: str):
    tid = cache_tid(name, cleaned_name, country)
    if not tid:
        return generate_tid_idn(cleaned_name, None, None)
    return tid


@lru_cache(maxsize=1000000)
def cache_tid(name: str, cleaned_name: str, country: str):
    key = '%s--%s' % (
        name if name else "",
        country if country else ""
    )
    cleaned_key = '%s--%s' % (cleaned_name if cleaned_name else "",
                              country if country else "")
    tid = mapping.get(key) or mapping.get(cleaned_key)
    if tid is None:
        # 如果mapping里没有该tid，进行匹配
        tid = tid_generator.match_tid(name, country)
        if tid is None:
            # 如果匹配结果为null，则向mapping写入一个空字符串
            tid = tid_generator.match_tid(cleaned_name, country)
            if tid is None:
                mapping[key] = ''
                mapping[cleaned_key] = ''
            else:
                mapping[cleaned_key] = tid
        else:
            mapping[key] = tid
    elif tid == '':
        # 对于第一次没有匹配到tid的公司，第二次进入该方法会得到一个空字符串，此时应返回null
        return None
    return tid


if __name__ == '__main__':
    print(generate_tid('', 'KENCANA LINTASINDO INTERNASIONAL', 'IDN'))