Python-Projekte/gcstruct/gchr.py

import pandas as pd
import numpy as np
import xml.etree.ElementTree as ET
import csv
from xml.dom import minidom
from datetime import datetime
import logging
from pathlib import Path
import os


ACCOUNT_INFO = [
    "Account",
    "Make",
    "Site",
    "Origin",
    "SalesChannel",
    "CostCarrier",
    "CostAccountingString",
]

TRANSLATE = [
    "Konto_Nr_Händler",
    "Konto_Nr_SKR51",
    "Marke",
    "Standort",
    "Konto_Nr",
    "Kostenstelle",
    "Absatzkanal",
    "Kostenträger",
    "Kontoart",
    "Konto_1",
    "KRM",
    "IsNumeric",
]


class GCHR:
    booking_date: datetime
    df_bookings: pd.DataFrame = None
    df_translate: pd.DataFrame = None
    df_translate2: pd.DataFrame = None
    makes: dict[str, str] = None
    sites: dict[str, str] = None

    def __init__(self, base_dir) -> None:
        self.base_dir = base_dir

        self.account_translation = f"{self.base_dir}/data/Kontenrahmen_uebersetzt.csv"
        self.account_bookings = list(Path(self.base_dir).joinpath("data").glob("GuV_Bilanz_Salden*.csv"))
        self.first_month_of_financial_year = "01"

        pd.set_option("display.max_rows", 500)
        pd.set_option("display.float_format", lambda x: "%.2f" % x)

    def set_bookkeep_period(self, year, month):
        self.current_year = year
        self.current_month = month
        period = f"{year}-{month}"
        prot_file = f"{self.export_info_dir}/protokoll_{period}.log"
        logging.basicConfig(
            filename=prot_file,
            filemode="w",
            encoding="utf-8",
            level=logging.DEBUG,
            force=True,
        )
        self.debug_file = f"{self.export_info_dir}/debug_{period}.csv"
        self.account_ignored = f"{self.export_info_dir}/ignoriert_{period}.csv"
        # self.account_invalid = f"{self.export_info_dir}/ungueltig_{period}.csv"

        self.last_year = str(int(self.current_year) - 1)
        self.last_year2 = str(int(self.current_year) - 2)
        self.next_year = str(int(self.current_year) + 1)

    def header(self, makes_used, sites_used, main_site):
        return {
            "Country": "DE",
            "MainBmCode": main_site,
            "Month": self.current_month,
            "Year": self.current_year,
            "Currency": "EUR",
            "NumberOfMakes": len(makes_used),
            "NumberOfSites": len(sites_used),
            "ExtractionDate": self.booking_date.strftime("%d.%m.%Y"),
            "ExtractionTime": self.booking_date.strftime("%H:%M:%S"),
            "BeginFiscalYear": self.first_month_of_financial_year,
        }

    @property
    def bookkeep_filter(self):
        period = [self.current_year + str(i).zfill(2) for i in range(1, 13)]
        if self.first_month_of_financial_year != "01":
            if self.first_month_of_financial_year > self.current_month:
                period = [self.last_year + str(i).zfill(2) for i in range(1, 13)] + period
            else:
                period = period + [self.next_year + str(i).zfill(2) for i in range(1, 13)]
            fm = int(self.first_month_of_financial_year)
            period = period[fm - 1 : fm + 12]
        period = [self.current_year + "00"] + period
        rename_to = ["OpeningBalance"] + ["Period" + str(i).zfill(2) for i in range(1, 13)]
        return dict(zip(period, rename_to))

    def extract_acct_info(self, df: pd.DataFrame):
        acct_info = [
            "Marke",
            "Standort",
            "Konto_Nr",
            "Kostenstelle",
            "Absatzkanal",
            "Kostenträger",
        ]
        df["HasFiveDashes"] = df["Konto_Nr_SKR51"].str.count("-") == 5
        df["Invalid"] = "XX-XX-XXXX-XX-XX-XX"
        df["Konto_Nr_SKR51"] = np.where(
            df["HasFiveDashes"],
            df["Konto_Nr_SKR51"],
            df["Invalid"],
        )
        df[acct_info] = df["Konto_Nr_SKR51"].str.split(pat="-", n=6, expand=True)
        return df

    def export_all_periods(self, overwrite=False, today=None):
        dt = datetime.now()
        if today is not None:
            dt = datetime.fromisoformat(today)
        prev = str(dt.year - 1)
        periods = [(prev, str(x).zfill(2)) for x in range(dt.month, 13)] + [
            (str(dt.year), str(x).zfill(2)) for x in range(1, dt.month)
        ]
        for year, month in periods:
            filename = self.export_filename_for_period(year, month)
            if overwrite or not Path(filename).exists():
                os.makedirs(Path(filename).parent.joinpath("info"), exist_ok=True)
                self.export_period(year, month)

    def export_period(self, year, month):
        self.set_bookkeep_period(year, month)
        # Übersetzungstabelle laden
        self.get_translation()

        # Kontensalden laden
        df_bookings = self.filter_bookings()
        all_periods = set(df_bookings["Bookkeep Period"].to_list())
        bookkeep_period_date = datetime(int(year), int(month), 28)

        if df_bookings.shape[0] == 0 or len(all_periods) <= 1 or self.booking_date < bookkeep_period_date:
            logging.error("ABBRUCH!!! Keine Daten vorhanden!")
            return False

        filter_to = self.current_year + self.current_month
        period_no = list(self.bookkeep_filter.keys()).index(filter_to) + 1

        logging.info("df_bookings: " + str(df_bookings.shape))
        # Join auf Übersetzung
        df_combined = df_bookings.merge(self.df_translate, how="inner", on="Konto_Nr_Händler")
        logging.info(f"df_combined: {df_combined.shape}")

        df_pivot = df_combined.pivot_table(
            index=["Konto_Nr_SKR51"],
            columns=["period"],
            values="amount",
            aggfunc="sum",
            margins=True,
            margins_name="CumulatedYear",
        )
        df_pivot.drop(index="CumulatedYear", inplace=True)

        logging.info("df_pivot: " + str(df_pivot.shape))

        df = df_pivot.merge(self.df_translate2, how="inner", on="Konto_Nr_SKR51")

        makes_used = sorted(list(set(df["Marke"].to_list())))
        sites_used = sorted(list(set((df["Marke"] + "-" + df["Standort"]).to_list())))

        from_label = ["Marke", "Standort", "Konto_Nr", "Kostenstelle", "Absatzkanal", "Kostenträger", "KRM"]
        to_label = ["Make", "Site", "Account", "Origin", "SalesChannel", "CostCarrier", "CostAccountingString"]
        col_dict = dict(zip(from_label, to_label))
        df = df.rename(columns=col_dict)

        export_csv = self.export_filename[:-4] + ".csv"
        df.to_csv(export_csv, decimal=",", sep=";", encoding="latin-1", index=False)
        df = df[df["IsNumeric"] != False].groupby(ACCOUNT_INFO, as_index=False).aggregate("sum")

        # Infos ergänzen
        df["Decimals"] = 2
        # df.sort_values(by=["Konto_Nr_SKR51"], inplace=True)
        logging.info(df.shape)
        main_sites = [self.sites[s] for s in sites_used if s in self.sites and self.sites[s] != "0000"]

        for i, main_site in enumerate(main_sites):
            filename = self.export_filename
            if i > 0:
                filename = f"{filename[:-4]}_{main_site}.xml"
            self.export_xml(
                df.to_dict(orient="records"),
                self.bookkeep_filter,
                period_no,
                makes_used,
                sites_used,
                main_site,
                filename,
            )

        # Join auf Übersetzung - nicht zugeordnet
        df_ignored = df_bookings.merge(self.df_translate, how="left", on="Konto_Nr_Händler")
        df_ignored = df_ignored[df_ignored["Konto_Nr_SKR51"].isna()]
        if not df_ignored.empty:
            df_ignored = df_ignored.pivot_table(
                index=["Konto_Nr_Händler"],
                columns=["period"],
                values="amount",
                aggfunc="sum",
                margins=True,
                margins_name="CumulatedYear",
            )
            df_ignored.to_csv(self.account_ignored, decimal=",", sep=";", encoding="latin-1")
        return self.export_filename

    def get_translation(self):
        if self.df_translate is None:
            df_translate_import = pd.read_csv(
                self.account_translation,
                decimal=",",
                sep=";",
                encoding="latin-1",
                converters={i: str for i in range(0, 200)},
            ).reset_index()

            df_makes = df_translate_import[["Marke", "Marke_HBV"]].copy().drop_duplicates()
            df_makes = df_makes[df_makes["Marke_HBV"] != "0000"]
            self.makes = dict([(e["Marke"], e["Marke_HBV"]) for e in df_makes.to_dict(orient="records")])
            self.makes["99"] = "0000"
            df_sites = df_translate_import[["Marke", "Standort", "Standort_HBV"]].copy().drop_duplicates()
            df_sites["Standort_HBV"] = np.where(
                df_sites["Standort_HBV"].str.len() != 6, "0000", df_sites["Standort_HBV"]
            )
            self.sites = dict(
                [(e["Marke"] + "-" + e["Standort"], e["Standort_HBV"]) for e in df_sites.to_dict(orient="records")]
            )

            df_prepared = self.prepare_translation(df_translate_import)
            self.df_translate = self.special_translation(df_prepared)
            self.df_translate2 = (
                self.df_translate.drop(columns=["Konto_Nr_Händler"])
                .copy()
                .drop_duplicates()
                .set_index("Konto_Nr_SKR51")
            )
        return self.df_translate

    def prepare_translation(self, df_translate_import: pd.DataFrame):
        df_translate = df_translate_import[
            [
                "Konto_Nr_Händler",
                "Konto_Nr_SKR51",
            ]
        ].drop_duplicates()
        logging.info(df_translate.shape)

        row = {
            "Konto_Nr_Händler": "01-01-0861-00-00-00",
            "Konto_Nr_SKR51": "01-01-0861-00-00-00",
        }
        df_translate = pd.concat([df_translate, pd.DataFrame.from_records([row])])
        df_translate.set_index("Konto_Nr_Händler")
        return df_translate

    def special_translation(self, df: pd.DataFrame):
        df = self.extract_acct_info(df)
        logging.info(df.shape)
        logging.info(df.columns)
        logging.info(df.head())

        logging.info("df: " + str(df.shape))
        df["Bilanz"] = df["Konto_Nr"].str.match(r"^[013]")
        df["Kontoart"] = np.where(df["Bilanz"], "1", "2")
        df["Kontoart"] = np.where(df["Konto_Nr"].str.contains("_STK"), "3", df["Kontoart"])
        df["Kontoart"] = np.where(df["Konto_Nr"].str.match(r"^[9]"), "3", df["Kontoart"])
        df["Konto_1"] = df["Konto_Nr"].str.slice(0, 1)

        # fehlende Marken- und Standortzuordnung
        df["Marke"] = np.where(df["Marke"].isin(self.makes.keys()), df["Marke"], "99")
        df["Marke_Standort"] = df["Marke"] + "-" + df["Standort"]
        df["Standort"] = np.where(df["Marke_Standort"].isin(self.sites.keys()), df["Standort"], "01")

        df_debug = df.drop(columns=["Bilanz"])
        logging.info(df_debug.groupby(["Kontoart"]).aggregate("sum"))
        logging.info(df_debug.groupby(["Kontoart", "Konto_1"]).aggregate("sum"))
        logging.info(df_debug.groupby(["Konto_Nr"]).aggregate("sum"))
        df_debug.groupby(["Konto_Nr"]).aggregate("sum").to_csv(
            self.debug_file, decimal=",", sep=";", encoding="latin-1"
        )

        # Bereinigung GW-Kostenträger
        df["NW_Verkauf_1"] = (df["Konto_Nr"].str.match(r"^[78]0")) & (df["Kostenstelle"].str.match(r"^[^1]\d"))
        df["Kostenstelle"] = np.where(df["NW_Verkauf_1"] == True, "11", df["Kostenstelle"])

        df["Konto_7010"] = df["Konto_Nr"].str.match(r"^[78]01[01]")
        df["Kostenstelle"] = np.where(df["Konto_7010"] == True, "14", df["Kostenstelle"])

        df["GW_Verkauf_2"] = (df["Konto_Nr"].str.match(r"^[78]1")) & (df["Kostenstelle"].str.match(r"^[^2]\d"))
        df["Kostenstelle"] = np.where(df["GW_Verkauf_2"] == True, "21", df["Kostenstelle"])

        df["GW_Verkauf_3"] = (df["Konto_Nr"].str.match(r"^[78]3")) & (df["Kostenstelle"].str.match(r"^[^3]\d"))
        df["Kostenstelle"] = np.where(df["GW_Verkauf_3"] == True, "31", df["Kostenstelle"])

        df["GW_Verkauf_4"] = (df["Konto_Nr"].str.match(r"^[78]4")) & (df["Kostenstelle"].str.match(r"^[^4]\d"))
        df["Kostenstelle"] = np.where(df["GW_Verkauf_4"] == True, "41", df["Kostenstelle"])

        df["GW_Verkauf_x420"] = df["Konto_Nr"].str.match(r"^[78]420")
        df["Kostenstelle"] = np.where(df["GW_Verkauf_x420"] == True, "42", df["Kostenstelle"])

        df["GW_Verkauf_5"] = (df["Konto_Nr"].str.match(r"^[78]5")) & (df["Kostenstelle"].str.match(r"^[^5]\d"))
        df["Kostenstelle"] = np.where(df["GW_Verkauf_5"] == True, "51", df["Kostenstelle"])

        df["GW_Verkauf_50"] = (df["Konto_Nr"].str.match(r"^[78]")) & (df["Kostenstelle"].str.match(r"^2"))
        df["Kostenträger"] = np.where(df["GW_Verkauf_50"] == True, "52", df["Kostenträger"])
        df["Kostenträger"] = np.where(
            (df["GW_Verkauf_50"] == True) & (df["Marke"] == "01"),
            "50",
            df["Kostenträger"],
        )

        df["NW_Verkauf_00"] = (
            (df["Konto_Nr"].str.match(r"^[78]2"))
            & (df["Kostenstelle"].str.match(r"^1"))
            & (df["Kostenträger"].str.match(r"^[^01234]"))
        )
        df["Kostenträger"] = np.where(df["NW_Verkauf_00"] == True, "00", df["Kostenträger"])

        df["GW_Stk_50"] = (df["Konto_Nr"].str.match(r"^9130")) & (df["Kostenstelle"].str.match(r"^2"))
        df["Kostenträger"] = np.where(df["GW_Stk_50"] == True, "52", df["Kostenträger"])
        df["Kostenträger"] = np.where((df["GW_Stk_50"] == True) & (df["Marke"] == "01"), "50", df["Kostenträger"])

        df["Kostenträger"] = np.where(df["Bilanz"] == True, "00", df["Kostenträger"])

        df["Konto_5er"] = (df["Konto_Nr"].str.match("^5")) | (df["Konto_Nr"].str.match("^9143"))
        df["Absatzkanal"] = np.where(df["Konto_5er"] == True, "99", df["Absatzkanal"])

        df["Konto_5005"] = (df["Konto_Nr"].str.match("^5005")) & (df["Kostenstelle"].str.match(r"^[^12]"))
        df["Kostenstelle"] = np.where(df["Konto_5005"] == True, "20", df["Kostenstelle"])
        df["Kostenträger"] = np.where(df["Konto_5005"] == True, "50", df["Kostenträger"])

        df["Konto_5007"] = (df["Konto_Nr"].str.match("^5007")) & (df["Kostenstelle"].str.match(r"^([^4]|42)"))
        df["Kostenstelle"] = np.where(df["Konto_5007"] == True, "41", df["Kostenstelle"])
        df["Kostenträger"] = np.where(df["Konto_5007"] == True, "70", df["Kostenträger"])

        df["Konto_914er"] = (df["Konto_Nr"].str.match("^914[34]")) & (df["Kostenträger"].str.match(r"^[^7]"))
        df["Kostenträger"] = np.where(df["Konto_914er"] == True, "70", df["Kostenträger"])

        df["Teile_30_60"] = (
            (df["Konto_Nr"].str.match(r"^[578]"))
            & (df["Kostenstelle"].str.match(r"^[3]"))
            & (df["Kostenträger"].str.match(r"^[^6]"))
        )
        df["Kostenträger"] = np.where(df["Teile_30_60"] == True, "60", df["Kostenträger"])

        df["Service_40_70"] = (
            (df["Konto_Nr"].str.match(r"^[578]"))
            & (df["Kostenstelle"].str.match(r"^[4]"))
            & (df["Kostenträger"].str.match(r"^[^7]"))
        )
        df["Kostenträger"] = np.where(df["Service_40_70"] == True, "70", df["Kostenträger"])

        df["KRM"] = df["Marke"] + df["Standort"] + df["Kostenstelle"] + df["Absatzkanal"] + df["Kostenträger"]
        df["Konto_Nr_SKR51"] = (
            (df["Marke"] + "-" + df["Standort"] + "-" + df["Konto_Nr"])
            + "-"
            + (df["Kostenstelle"] + "-" + df["Absatzkanal"] + "-" + df["Kostenträger"])
        )
        df["IsNumeric"] = (
            (df["KRM"].str.isdigit())
            & (df["Konto_Nr"].str.isdigit())
            & (df["Konto_Nr"].str.len() == 4)
            # & (df["Konto_Nr_SKR51"].str.len() == 19)
        )
        df_invalid = df[df["IsNumeric"] == False]
        df_invalid.to_csv(self.export_invalid_filename, decimal=",", sep=";", encoding="latin-1", index=False)
        return df[df["IsNumeric"] == True][TRANSLATE]

    def load_bookings_from_file(self):
        df2 = []
        timestamps = []

        for csv_file in self.account_bookings:
            df2.append(
                pd.read_csv(
                    csv_file,
                    decimal=",",
                    sep=";",
                    encoding="latin-1",
                    converters={0: str, 1: str},
                )
            )
            timestamps.append(Path(csv_file).stat().st_mtime)
        self.booking_date = datetime.fromtimestamp(max(timestamps))
        self.df_bookings = pd.concat(df2)
        self.df_bookings["amount"] = (self.df_bookings["Debit Amount"] + self.df_bookings["Credit Amount"]).round(2)

    def filter_bookings(self):
        if self.df_bookings is None:
            self.load_bookings_from_file()
        # Kontensalden auf gegebenen Monat filtern
        filter_from = self.current_year + self.first_month_of_financial_year
        filter_prev = self.last_year + self.first_month_of_financial_year

        if self.first_month_of_financial_year > self.current_month:
            filter_from = self.last_year + self.first_month_of_financial_year
            filter_prev = self.last_year2 + self.first_month_of_financial_year
        filter_to = self.current_year + self.current_month
        filter_opening = self.current_year + "00"
        filter_prev_opening = self.last_year + "00"
        prev_year_closed = True

        df_opening_balance = self.df_bookings[(self.df_bookings["Bookkeep Period"] == filter_opening)]
        if df_opening_balance.shape[0] == 0:
            df_opening_balance = self.df_bookings[
                (self.df_bookings["Bookkeep Period"] == filter_prev_opening)
                | (
                    (self.df_bookings["Bookkeep Period"] >= filter_prev)
                    & (self.df_bookings["Bookkeep Period"] < filter_from)
                )
            ].copy()
            df_opening_balance["Bookkeep Period"] = filter_opening
            prev_year_closed = False

        df_opening_balance = df_opening_balance[(df_opening_balance["Konto_Nr_Händler"].str.contains(r"-[013]\d\d+-"))]
        opening_balance = df_opening_balance["amount"].aggregate("sum").round(2)
        logging.info("Gewinn/Verlustvortrag")
        logging.info(opening_balance)

        if not prev_year_closed:
            row = {
                "Konto_Nr_Händler": "01-01-0861-00-00-00",
                "Bookkeep Period": filter_opening,
                "Debit Amount": opening_balance * -1,
                "Credit Amount": 0,
                "Debit Quantity": 0,
                "Credit Quantity": 0,
                "amount": opening_balance * -1,
            }
            df_opening_balance = pd.concat([df_opening_balance, pd.DataFrame.from_records([row])])

        df_filtered = self.df_bookings[
            (self.df_bookings["Bookkeep Period"] >= filter_from) & (self.df_bookings["Bookkeep Period"] <= filter_to)
        ]

        # Buchungen kopieren und als Statistikkonten anhängen
        df_stats = df_filtered.copy()
        # df_stats = df_stats[df_stats['Konto_Nr_Händler'].str.match(r'-[24578]\d\d\d-')]
        df_stats["Konto_Nr_Händler"] = df_stats["Konto_Nr_Händler"].str.replace(r"-(\d\d\d+)-", r"-\1_STK-", regex=True)
        df_stats["amount"] = (df_filtered["Debit Quantity"] + df_filtered["Credit Quantity"]).round(2)

        df_combined = pd.concat([df_opening_balance, df_filtered, df_stats])

        # Spalten konvertieren
        df_combined["period"] = df_combined["Bookkeep Period"].apply(lambda x: self.bookkeep_filter[x])
        return df_combined[df_combined["amount"] != 0.00]

    @property
    def export_filename(self):
        return self.export_filename_for_period(self.current_year, self.current_month)

    @property
    def export_info_dir(self):
        return f"{self.base_dir}/Export/{self.current_year}/info/"

    @property
    def export_invalid_filename(self):
        return f"{self.base_dir}/Export/ungueltig.csv"

    def export_filename_for_period(self, year, month):
        return f"{self.base_dir}/Export/{year}/export_{year}-{month}.xml"

    def export_xml(self, records, bk_filter, period_no, makes_used, sites_used, main_site, filename):
        record_elements = ACCOUNT_INFO + ["Decimals"] + list(bk_filter.values())[:period_no] + ["CumulatedYear"]
        root = ET.Element("HbvData")
        h = ET.SubElement(root, "Header")
        for k, v in self.header(makes_used, sites_used, main_site).items():
            ET.SubElement(h, k).text = str(v)

        make_list = ET.SubElement(root, "MakeList")
        for make in makes_used:
            if make not in self.makes:
                continue
            e = ET.SubElement(make_list, "MakeListEntry")
            ET.SubElement(e, "Make").text = make
            ET.SubElement(e, "MakeCode").text = self.makes[make]

        bm_code_list = ET.SubElement(root, "BmCodeList")
        for s in sites_used:
            make, site = s.split("-")
            if s not in self.sites:
                continue
            e = ET.SubElement(bm_code_list, "BmCodeEntry")
            ET.SubElement(e, "Make").text = make
            ET.SubElement(e, "Site").text = site
            ET.SubElement(e, "BmCode").text = self.sites[s]

        record_list = ET.SubElement(root, "RecordList")
        for row in records:
            record = ET.SubElement(record_list, "Record")
            for e in record_elements:
                child = ET.SubElement(record, e)
                field = row.get(e, 0.0)
                if str(field) == "nan":
                    field = "0"
                elif type(field) is float:
                    field = "{:.0f}".format(field * 100)
                child.text = str(field)

        with open(filename, "w", encoding="utf-8") as fwh:
            fwh.write(minidom.parseString(ET.tostring(root)).toprettyxml(indent="  "))

    def convert_to_row(self, node):
        return [child.text for child in node]

    def convert_xml_to_csv(self, xmlfile, csvfile):
        record_list = ET.parse(xmlfile).getroot().find("RecordList")
        header = [child.tag for child in record_list.find("Record")]
        bookings = [self.convert_to_row(node) for node in record_list.findall("Record")]
        with open(csvfile, "w") as fwh:
            cwh = csv.writer(fwh, delimiter=";")
            cwh.writerow(header)
            cwh.writerows(bookings)
        return True

    def convert_csv_to_xml(self, csvfile, xmlfile):
        self.makes = {"01": "1844"}
        self.sites = {"01-01": "1844"}
        with open(csvfile, "r", encoding="latin-1") as frh:
            csv_reader = csv.DictReader(frh, delimiter=";")
            self.export_xml(csv_reader, self.bookkeep_filter(), 1, list(self.sites.values())[0], xmlfile)


def gchr_local():
    base_dir = os.getcwd() + "/../GCHR2_Testdaten/Kunden"
    for path in Path(base_dir).glob("*"):
        if path.is_dir():
            print(path.name)
            gchr_export(str(path))


def gchr_export(base_dir):
    gchr = GCHR(base_dir)
    gchr.export_all_periods(overwrite=True, today="2022-08-01")


if __name__ == "__main__":
    gchr_local()
    # import cProfile
    # cProfile.run(
    #     "gchr_local()",
    #     "gchr_local.prof",
    # )