X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=ledger.py;h=358cf295c153597f8c91053a7ccc3ad557e18169;hb=HEAD;hp=cd38b820da6354866cd23d64fb196a3ec9f40952;hpb=3faab835bd9d842cc0a529ba33007b3f85839e12;p=misc diff --git a/ledger.py b/ledger.py index cd38b82..358cf29 100755 --- a/ledger.py +++ b/ledger.py @@ -1,732 +1,512 @@ import os -import jinja2 import decimal from datetime import datetime, timedelta from urllib.parse import parse_qs, urlparse +from jinja2 import Environment as JinjaEnv, FileSystemLoader as JinjaFSLoader from plomlib import PlomDB, PlomException, run_server, PlomHandler +from os.path import split as path_split +db_path = '/home/plom/org/ledger2024.dat' server_port = 8082 -db_path = '/home/plom/org/ledger2023.dat' - -html_head = """ - - -ledger -balance -add free -add structured -
-""" -booking_html = """ -

{{date}} {{desc}} {{head_comment|e}}
-[edit: structured -/ free -| copy:structured -/ free -| move {% if move_up %}up{% else %}up{% endif %}/{% if move_down %}down{% else %}down{% endif %} -| balance after -] - -{% for l in booking_lines %} -{% if l.acc %} - -{% else %} - -{% endif %} -{% endfor %} -
{{l.acc|e}}{{l.money|e}}{{l.comment|e}}
{{l.comment|e}}

-""" -add_form_header = """
- - -""" -add_form_footer = """ - - - -
-""" -add_free_html = """
- -""" -add_structured_html = """ - - - - - - -
- - - - -
-{% for line in booking_lines %} - - - - - - - -
-{% endfor %} -{% for name, items in datalist_sets.items() %} - -{% for item in items %} - -{% endfor %} - -{% endfor %} -""" - - -def apply_booking_to_account_balances(account_sums, account, currency, amount): - if not account in account_sums: - account_sums[account] = {currency: amount} - elif not currency in account_sums[account].keys(): - account_sums[account][currency] = amount - else: - account_sums[account][currency] += amount - - -def bookings_to_account_tree(bookings): - account_sums = {} - for booking in bookings: - for account, changes in booking.account_changes.items(): - for currency, amount in changes.items(): - apply_booking_to_account_balances(account_sums, account, currency, amount) - account_tree = {} - def collect_branches(account_name, path): - node = account_tree - path_copy = path[:] - while len(path_copy) > 0: - step = path_copy.pop(0) - node = node[step] - toks = account_name.split(":", maxsplit=1) - parent = toks[0] - if parent in node.keys(): - child = node[parent] - else: - child = {} - node[parent] = child - if len(toks) == 2: - k, v = collect_branches(toks[1], path + [parent]) - if k not in child.keys(): - child[k] = v - else: - child[k].update(v) - return parent, child - for account_name in sorted(account_sums.keys()): - k, v = collect_branches(account_name, []) - if k not in account_tree.keys(): - account_tree[k] = v +j2env = JinjaEnv(loader=JinjaFSLoader('ledger_templates')) + +class EditableException(PlomException): + def __init__(self, booking_index, *args, **kwargs): + self.booking_index = booking_index + super().__init__(*args, **kwargs) + + +class LedgerTextLine: + + def __init__(self, text_line): + self.text_line = text_line + self.comment = '' + split_by_comment = text_line.rstrip().split(sep=';', maxsplit=1) + self.non_comment = split_by_comment[0].rstrip() + self.empty = len(split_by_comment) == 1 and len(self.non_comment) == 0 + if self.empty: + return + if len(split_by_comment) == 2: + self.comment = split_by_comment[1].lstrip() + + +class Wealth: + + def __init__(self): + self.money_dict = {} + + def __iadd__(self, moneys): + money_dict = moneys + if type(moneys) == Wealth: + moneys = moneys.money_dict + for currency, amount in moneys.items(): + if not currency in self.money_dict.keys(): + self.money_dict[currency] = 0 + self.money_dict[currency] += amount + return self + + @property + def sink_empty(self): + return len(self.as_sink) == 0 + + @property + def as_sink(self): + sink = {} + for currency, amount in self.money_dict.items(): + if 0 == amount: + continue + sink[currency] = -amount + return sink + + +class Account: + + def __init__(self, own_name, parent): + self.own_name = own_name + self.parent = parent + if self.parent: + self.parent.children += [self] + self.own_moneys = Wealth() + self.children = [] + + def add_wealth(self, moneys): + self.own_moneys += moneys + + @property + def full_name(self): + if self.parent and len(self.parent.own_name) > 0: + return f'{self.parent.full_name}:{self.own_name}' else: - account_tree[k].update(v) - def collect_totals(parent_path, tree_node): - for k, v in tree_node.items(): - child_path = parent_path + ":" + k - for currency, amount in collect_totals(child_path, v).items(): - apply_booking_to_account_balances(account_sums, parent_path, currency, amount) - return account_sums[parent_path] - for account_name in account_tree.keys(): - account_sums[account_name] = collect_totals(account_name, account_tree[account_name]) - return account_tree, account_sums - - -def parse_lines(lines, validate_bookings=True): + return self.own_name + + @property + def full_moneys(self): + full_moneys = Wealth() + full_moneys += self.own_moneys + for child in self.children: + full_moneys += child.full_moneys + return full_moneys + + +def parse_lines_to_bookings(lines, ignore_editable_exceptions=False): + lines = [LedgerTextLine(line) for line in lines] + lines += [LedgerTextLine('')] # to simulate ending of last booking + bookings = [] inside_booking = False - date_string, description = None, None booking_lines = [] - start_line = 0 - bookings = [] - comments = [] - lines = lines.copy() + [''] # to ensure a booking-ending last line - last_date = '' + booking_start_i = 0 + last_date = '' for i, line in enumerate(lines): - prefix = f"line {i}" - # we start with the case of an utterly empty line - comments += [""] - stripped_line = line.rstrip() - if stripped_line == '': + intro = f'file line {i}' + if line.empty: if inside_booking: - # assume we finished a booking, finalize, and commit to DB - if len(booking_lines) < 2: - raise PlomException(f"{prefix} booking ends to early") - booking = Booking(date_string, description, booking_lines, start_line, validate_bookings) + booking = Booking(lines=booking_lines, starts_at=booking_start_i) + if last_date > booking.date and not ignore_editable_exceptions: + raise EditableException(len(bookings), f'{intro}: out-of-order date (follows {last_date})') + last_date = booking.date bookings += [booking] - # expect new booking to follow so re-zeroall booking data - inside_booking = False - date_string, description = None, None - booking_lines = [] - continue - # if non-empty line, first get comment if any, and commit to DB - split_by_comment = stripped_line.split(sep=";", maxsplit=1) - if len(split_by_comment) == 2: - comments[i] = split_by_comment[1].lstrip() - # if pre-comment empty: if inside_booking, this must be a comment-only line so we keep it for later ledger-output to capture those comments; otherwise, no more to process for this line - non_comment = split_by_comment[0].rstrip() - if non_comment.rstrip() == '': - if inside_booking: - booking_lines += [''] - continue - # if we're starting a booking, parse by first-line pattern - if not inside_booking: - start_line = i - toks = non_comment.split(maxsplit=1) - date_string = toks[0] - try: - datetime.strptime(date_string, '%Y-%m-%d') - except ValueError: - raise PlomException(f"{prefix} bad date string: {date_string}") - if last_date > date_string: - raise PlomException(f"{prefix} out-of-order-date") - last_date = date_string - try: - description = toks[1] - except IndexError: - raise PlomException(f"{prefix} bad description: {description}") + inside_booking =False + booking_lines = [] + else: + if not inside_booking: + booking_start_i = i inside_booking = True - booking_lines += [non_comment] - continue - # otherwise, read as transfer data - toks = non_comment.split() # ignore specification's allowance of single spaces in names - if len(toks) > 3: - raise PlomException(f"{prefix} too many booking line tokens: {toks}") - amount, currency = None, None - account_name = toks[0] - if account_name[0] == '[' and account_name[-1] == ']': - # ignore specification's differentiation of "virtual" accounts - account_name = account_name[1:-1] - decimal_chars = ".-0123456789" - if len(toks) == 3: - i_currency = 1 - try: - amount = decimal.Decimal(toks[1]) - i_currency = 2 - except decimal.InvalidOperation: + booking_lines += [line] + if inside_booking: + raise PlomException(f'{intro}: last booking unfinished') + return bookings + + +class TransferLine: + + def __init__(self, line=None, account='', amount=None, currency='', comment='', validate=True): + self.account = account + self.amount = amount + self.currency = currency + self.comment = comment + if line: + if line.empty: + raise PlomException('line empty') + self.comment = line.comment + toks = line.non_comment.split() + if (len(toks) not in {1, 3}): + if validate: + raise PlomException(f'number of non-comment tokens not 1 or 3') + elif len(toks) == 2: + toks += [''] + else: + toks = 3*[''] + self.account = toks[0] + if len(toks) != 1: try: - amount = decimal.Decimal(toks[2]) + self.amount = decimal.Decimal(toks[1]) except decimal.InvalidOperation: - raise PlomException(f"{prefix} no decimal number in: {toks[1:]}") - currency = toks[i_currency] - if currency[0] in decimal_chars: - raise PlomException(f"{prefix} currency starts with int, dot, or minus: {currency}") - elif len(toks) == 2: - value = toks[1] - inside_amount = False - inside_currency = False - amount_string = "" - currency = "" - dots_counted = 0 - for i, c in enumerate(value): - if i == 0: - if c in decimal_chars: - inside_amount = True + if validate: + raise PlomException(f'invalid token for Decimal: {toks[1]}') else: - inside_currency = True - if inside_currency: - if c in decimal_chars and len(amount_string) == 0: - inside_currency = False - inside_amount = True - else: - currency += c - continue - if inside_amount: - if c not in decimal_chars: - if len(currency) > 0: - raise PlomException(f"{prefix} amount has non-decimal chars: {value}") - inside_currency = True - inside_amount = False - currency += c - continue - if c == '-' and len(amount_string) > 1: - raise PlomException(f"{prefix} amount has non-start '-': {value}") - if c == '.': - if dots_counted > 1: - raise PlomException(f"{prefix} amount has multiple dots: {value}") - dots_counted += 1 - amount_string += c - if len(currency) == 0: - raise PlomException(f"{prefix} currency missing: {value}") - if len(amount_string) > 0: - amount = decimal.Decimal(amount_string) - booking_lines += [(account_name, amount, currency)] - if inside_booking: - raise PlomException(f"{prefix} last booking unfinished") - return bookings, comments + self.comment = f'unparsed: {toks[1]}; {self.comment}' + self.currency = toks[2] + + @property + def amount_fmt(self): + if self.amount is None: + return '' + elif self.amount.as_tuple().exponent < -2: + return f'{self.amount:.1f}…' + else: + return f'{self.amount:.2f}' + + @property + def for_writing(self): + line = f' {self.account}' + if self.amount is not None: + line += f' {self.amount} {self.currency}' + if self.comment != '': + line += f' ; {self.comment}' + return line + + @property + def comment_cols(self): + return max(20, len(self.comment)) class Booking: - def __init__(self, date_string, description, booking_lines, start_line, process=True): - self.date_string = date_string - self.description = description - self.lines = booking_lines - self.start_line = start_line - if process: - self.validate_booking_lines() - self.sink = {} - self.account_changes = self.parse_booking_lines_to_account_changes() - - def validate_booking_lines(self): - prefix = f"booking at line {self.start_line}" - sums = {} - empty_values = 0 - for line in self.lines[1:]: - if line == '': - continue - _, amount, currency = line - if amount is None: - if empty_values > 0: - raise PlomException(f"{prefix} relates more than one empty value of same currency {currency}") - empty_values += 1 - continue - if currency not in sums: - sums[currency] = 0 - sums[currency] += amount - if empty_values == 0: - for k, v in sums.items(): - if v != 0: - raise PlomException(f"{prefix} does not add up to zero / {k} {v}") + def __init__(self, lines=None, starts_at='?', date='', description='', top_comment='', transfer_lines=None, validate=True): + self.validate = validate + self.starts_at = starts_at + self.intro = f'booking starting at line {self.starts_at}' + self.clean() + if lines: + self.lines = lines + self.parse_lines() else: - sinkable = False - for k, v in sums.items(): - if v != 0: - sinkable = True - if not sinkable: - raise PlomException(f"{prefix} has empty value that cannot be filled") - - def parse_booking_lines_to_account_changes(self): - account_changes = {} - debt = {} - sink_account = None - for line in self.lines[1:]: - if line == '': - continue - account, amount, currency = line - if amount is None: - sink_account = account + self.date = date + self.description = description + self.top_comment = top_comment + self.validate_head() + self.transfer_lines = transfer_lines if transfer_lines else [] + if self.validate and len(self.transfer_lines) < 2: + raise PlomException(f'{self.intro}: too few transfer lines') + self.calculate_account_changes() + self.lines = [LedgerTextLine(l) for l in self.for_writing] + + @classmethod + def from_postvars(cls, postvars, starts_at='?', validate=True): + date = postvars['date'][0] + description = postvars['description'][0] + top_comment = postvars['top_comment'][0] + transfer_lines = [] + for i, account in enumerate(postvars['account']): + if len(account) == 0: continue - apply_booking_to_account_balances(account_changes, account, currency, amount) - if currency not in debt: - debt[currency] = amount + amount = None + if len(postvars['amount'][i]) > 0: + amount = decimal.Decimal(postvars['amount'][i]) + transfer_lines += [TransferLine(None, account, amount, postvars['currency'][i], postvars['comment'][i])] + return cls(None, starts_at, date, description, top_comment, transfer_lines, validate=validate) + + def clean(self): + self.transfer_lines = [] + self.account_changes = {} + + def parse_lines(self): + if len(self.lines) < 3 and self.validate: + raise PlomException(f'{self.intro}: ends with less than 3 lines:' + str(self.lines)) + top_line = self.lines[0] + if top_line.empty and self.validate: + raise PlomException('{self.intro}: headline empty') + self.top_comment = top_line.comment + toks = top_line.non_comment.split(maxsplit=1) + if len(toks) < 2: + if self.validate: + raise PlomException(f'{self.intro}: headline missing elements: {non_comment}') + elif 0 == len(toks): + toks = 2*[''] else: - debt[currency] += amount - if sink_account: - for currency, amount in debt.items(): - apply_booking_to_account_balances(account_changes, sink_account, currency, -amount) - self.sink[currency] = -amount - return account_changes - - - -class LedgerDB(PlomDB): - - def __init__(self, prefix): - self.prefix = prefix - self.bookings = [] - self.comments = [] - self.real_lines = [] - super().__init__(db_path) - ret = parse_lines(self.real_lines) - self.bookings += ret[0] - self.comments += ret[1] - - def read_db_file(self, f): - self.real_lines += [l.rstrip() for l in f.readlines()] - - def get_lines(self, start, end): - return self.real_lines[start:end] - - def write_db(self, text, mode='w'): - if text[-1] != '\n': - text += '\n' - self.write_text_to_db(text) - - def insert_at_date(self, lines, date): - print("DEBUG insert_at_date") - start_at = 0 - if len(self.bookings) > 0: - if date >= self.bookings[-1].date_string: - start_at = len(self.real_lines) - lines = [''] + lines + toks += [''] + self.date = toks[0] + self.description = toks[1] + self.validate_head() + for i, line in enumerate(self.lines[1:]): + try: + self.transfer_lines += [TransferLine(line, validate=self.validate)] + except PlomException as e: + raise PlomException(f'{self.intro}, transfer line {i}: {e}') + self.calculate_account_changes() + + def calculate_account_changes(self): + sink_account = None + money_changes = Wealth() + for i, transfer_line in enumerate(self.transfer_lines): + intro = f'{self.intro}, transfer line {i}' + if transfer_line.amount is None: + if sink_account is not None and self.validate: + raise PlomException(f'{intro}: second sink found (only one allowed)') + sink_account = transfer_line.account else: - for b in self.bookings: - if b.date_string == date: - start_at = b.start_line - elif b.date_string > date: - start_at = b.start_line - break - return self.write_lines_in_total_lines_at(self.real_lines, start_at, lines) - - def update(self, start, end, lines, date): - print("DEBUG update") - total_lines = self.real_lines[:start] + self.real_lines[end:] - n_original_lines = end - start - start_at = len(total_lines) - for b in self.bookings: - if b.date_string == date: - if start_at == len(total_lines) or b.start_line == start: - start_at = b.start_line - if b.start_line > start: - start_at -= n_original_lines - elif b.date_string > date: - break - if start_at == len(total_lines): - lines = [''] + lines - return self.write_lines_in_total_lines_at(total_lines, start_at, lines) - - def write_lines_in_total_lines_at(self, total_lines, start_at, lines): - total_lines = total_lines[:start_at] + lines + [''] + total_lines[start_at:] - _, _ = parse_lines(lines) - text = '\n'.join(total_lines) - self.write_db(text) - return start_at - - def get_nth_for_booking_of_start_line(self, start_line): - nth = 0 - for b in self.bookings: - if b.start_line >= start_line: + if not transfer_line.account in self.account_changes.keys(): + self.account_changes[transfer_line.account] = Wealth() + money = {transfer_line.currency: transfer_line.amount} + self.account_changes[transfer_line.account] += money + money_changes += money + if sink_account is None and (not money_changes.sink_empty) and self.validate: + raise PlomException(f'{intro}: does not balance (undeclared non-empty sink)') + if sink_account is not None: + if not sink_account in self.account_changes.keys(): + self.account_changes[sink_account] = Wealth() + self.account_changes[sink_account] += money_changes.as_sink + + @property + def for_writing(self): + lines = [f'{self.date} {self.description}'] + if self.top_comment is not None and self.top_comment.rstrip() != '': + lines[0] += f' ; {self.top_comment}' + for line in self.transfer_lines: + lines += [line.for_writing] + return lines + + @property + def comment_cols(self): + return max(20, len(self.top_comment)) + + def validate_head(self): + if not self.validate: + return + if len(self.date) == 0: + raise PlomException(f'{self.intro}: missing date') + if len(self.description) == 0: + raise PlomException(f'{self.intro}: missing description') + try: + datetime.strptime(self.date, '%Y-%m-%d') + except ValueError: + raise PlomException(f'{self.intro}: bad headline date format: {self.date}') + + def fill_sink(self): + replacement_lines = [] + for i, line in enumerate(self.transfer_lines): + if line.amount is None: + for currency, amount in self.account_changes[line.account].money_dict.items(): + replacement_lines += [TransferLine(None, f'{line.account}', amount, currency).for_writing] break - nth += 1 - return nth - - def add_taxes(self, lines, finish=False): - ret = [] - bookings, _ = parse_lines(lines) - date = bookings[0].date_string + lines = self.lines[:i+1] + [LedgerTextLine(l) for l in replacement_lines] + self.lines[i+2:] + self.clean() + self.lines = lines + self.parse_lines() + + def mirror(self): + new_transfer_lines = [] + for transfer_line in self.transfer_lines: + uncommented_source = LedgerTextLine(transfer_line.for_writing).non_comment + comment = f're: {uncommented_source.lstrip()}' + new_account = '?' + new_transfer_lines += [TransferLine(None, new_account, -transfer_line.amount, transfer_line.currency, comment)] + for transfer_line in new_transfer_lines: + self.lines += [LedgerTextLine(transfer_line.for_writing)] + self.clean() + self.parse_lines() + + def replace(self, replace_from, replace_to): + lines = [] + for l in self.for_writing: + lines += [l.replace(replace_from, replace_to)] + self.lines = [LedgerTextLine(l) for l in lines] + self.clean() + self.parse_lines() + + def add_taxes(self, db): acc_kk_add = 'Reserves:KrankenkassenBeitragsWachstum' - acc_kk_minimum = 'Reserves:Month:KrankenkassenDefaultBeitrag' + acc_kk_minimum = 'Reserves:Monthly:KrankenkassenDefaultBeitrag' acc_kk = 'Expenses:KrankenKasse' - acc_est = 'Reserves:Einkommenssteuer' + acc_ESt = 'Reserves:EinkommensSteuer' acc_assets = 'Assets' - acc_buffer = 'Reserves:NeuAnfangsPuffer:Ausgaben' - last_monthbreak_assets = 0 - last_monthbreak_est = 0 - last_monthbreak_kk_minimum = 0 - last_monthbreak_kk_add = 0 - buffer_expenses = 0 - kk_expenses = 0 - est_expenses = 0 - months_passed = -int(finish) - for b in self.bookings: - if date == b.date_string: + acc_neuanfangspuffer_expenses = 'Reserves:NeuAnfangsPuffer:Ausgaben' + months_passed = datetime.strptime(self.date, '%Y-%m-%d').month - 1 + past_kk_expenses = 0 + past_kk_add = 0 + past_neuanfangspuffer_expenses = 0 + for b in db.bookings: + if b.date == self.date: break - acc_keys = b.account_changes.keys() - if acc_buffer in acc_keys: - buffer_expenses -= b.account_changes[acc_buffer]['€'] - if acc_kk_add in acc_keys: - kk_expenses += b.account_changes[acc_kk_add]['€'] - if acc_kk in acc_keys: - kk_expenses += b.account_changes[acc_kk]['€'] - if acc_est in acc_keys: - est_expenses += b.account_changes[acc_est]['€'] - if acc_kk_add in acc_keys and acc_kk_minimum in acc_keys: - months_passed += 1 - if finish: - last_monthbreak_kk_add = b.account_changes[acc_kk_add]['€'] - last_monthbreak_est = b.account_changes[acc_est]['€'] - last_monthbreak_kk_minimum = b.account_changes[acc_kk_minimum]['€'] - last_monthbreak_assets = b.account_changes[acc_buffer]['€'] - old_needed_income_before_anything = - last_monthbreak_assets - last_monthbreak_kk_add - last_monthbreak_kk_minimum - last_monthbreak_est - if finish: - ret += [f' {acc_est} {-last_monthbreak_est}€ ; for old assumption of needed income: {old_needed_income_before_anything}€'] - _, account_sums = bookings_to_account_tree(bookings) - expenses_so_far = -1 * account_sums[acc_assets]['€'] + old_needed_income_before_anything - needed_income_before_kk = expenses_so_far + if acc_neuanfangspuffer_expenses in b.account_changes.keys(): + past_neuanfangspuffer_expenses -= b.account_changes[acc_neuanfangspuffer_expenses].money_dict['€'] + if acc_kk_add in b.account_changes.keys(): + past_kk_add += b.account_changes[acc_kk_add].money_dict['€'] + if acc_kk_minimum in b.account_changes.keys(): + past_kk_expenses += b.account_changes[acc_kk_minimum].money_dict['€'] + + needed_netto = -self.account_changes['Assets'].money_dict['€'] + past_taxed_needs_before_kk = past_neuanfangspuffer_expenses - past_kk_expenses ESt_this_month = 0 - left_over = needed_income_before_kk - ESt_this_month + E0 = decimal.Decimal(11604) + E1 = decimal.Decimal(17006) + E2 = decimal.Decimal(66761) + E3 = decimal.Decimal(277826) + taxed_income_before_kk = needed_netto too_low = 0 - too_high = 2 * needed_income_before_kk - E0 = decimal.Decimal(10908) - E1 = decimal.Decimal(15999) - E2 = decimal.Decimal(62809) - E3 = decimal.Decimal(277825) + too_high = 2 * needed_netto while True: - zvE = buffer_expenses - kk_expenses + (12 - months_passed) * needed_income_before_kk - if finish: - zvE += last_monthbreak_assets + last_monthbreak_kk_add + last_monthbreak_kk_minimum + estimate_for_remaining_year = (12 - months_passed) * taxed_income_before_kk + zvE = past_taxed_needs_before_kk + estimate_for_remaining_year if zvE < E0: - ESt = decimal.Decimal(0) + ESt_year = decimal.Decimal(0) elif zvE < E1: y = (zvE - E0)/10000 - ESt = (decimal.Decimal(979.18) * y + 1400) * y + ESt_year = (decimal.Decimal(922.98) * y + 1400) * y elif zvE < E2: y = (zvE - E1)/10000 - ESt = (decimal.Decimal(192.59) * y + 2397) * y + decimal.Decimal(966.53) + ESt_year = (decimal.Decimal(181.19) * y + 2397) * y + decimal.Decimal(1025.38) elif zvE < E3: - ESt = decimal.Decimal(0.42) * (zvE - decimal.Decimal(62809)) + decimal.Decimal(16405.54) + ESt_year = decimal.Decimal(0.42) * zvE - 10602.13 else: - ESt = decimal.Decimal(0.45) * (zvE - decimal.Decimal(277825)) + decimal.Decimal(106713.52) - ESt_this_month = (ESt + last_monthbreak_est - est_expenses) / (12 - months_passed) - left_over = needed_income_before_kk - ESt_this_month - if abs(left_over - expenses_so_far) < 0.001: + ESt_year = decimal.Decimal(0.45) * zvE - 18936.88 + ESt_this_month = ESt_year / 12 + taxed_income_minus_ESt = taxed_income_before_kk - ESt_this_month + if abs(taxed_income_minus_ESt - needed_netto) < 0.001: break - elif left_over < expenses_so_far: - too_low = needed_income_before_kk - elif left_over > expenses_so_far: - too_high = needed_income_before_kk - needed_income_before_kk = too_low + (too_high - too_low)/2 + elif taxed_income_minus_ESt < needed_netto: + too_low = taxed_income_before_kk + elif taxed_income_minus_ESt > needed_netto: + too_high = taxed_income_before_kk + taxed_income_before_kk = too_low + (too_high - too_low)/2 ESt_this_month = ESt_this_month.quantize(decimal.Decimal('0.00')) - ret += [f' {acc_est} {ESt_this_month}€ ; expenses so far: {expenses_so_far:.2f}€; zvE: {zvE:.2f}€; ESt total: {ESt:.2f}€; needed before Krankenkasse: {needed_income_before_kk:.2f}€'] - kk_minimum_income = 1131.67 - if date < '2023-02-01': - kk_minimum_income = decimal.Decimal(1096.67) - kk_factor = decimal.Decimal(0.189) - kk_minimum_tax = decimal.Decimal(207.27).quantize(decimal.Decimal('0.00')) - elif date < '2023-08-01': - kk_factor = decimal.Decimal(0.191) - kk_minimum_tax = decimal.Decimal(216.15).quantize(decimal.Decimal('0.00')) - else: - kk_factor = decimal.Decimal(0.197) + comment = f'estimated zvE: {past_taxed_needs_before_kk}€ + {estimate_for_remaining_year:.2f}€ = {zvE:.2f}€ → year ESt: {ESt_year:.2f} → needed taxed income before Krankenkasse: {taxed_income_before_kk:.2f}€' + self.transfer_lines += [TransferLine(None, acc_ESt, ESt_this_month, '€', comment)] + + kk_factor = decimal.Decimal(1.197) + kk_minimum_income = 1178.33 + kk_minimum_tax = decimal.Decimal(232.13).quantize(decimal.Decimal('0.00')) + if self.date < '2024-02-01': + kk_minimum_income = 1131.67 kk_minimum_tax = decimal.Decimal(222.94).quantize(decimal.Decimal('0.00')) - kk_add_so_far = account_sums[acc_kk_add]['€'] if acc_kk_add in account_sums.keys() else 0 - kk_add = needed_income_before_kk / (1 - kk_factor) - needed_income_before_kk - kk_minimum_tax - hit_kk_minimum_income_limit = False - if kk_add_so_far + kk_add < 0: - hit_kk_minimum_income_limit = True - kk_add_uncorrect = kk_add - kk_add = -(kk_add + kk_add_so_far) + comment = f'assumed minimum income of {kk_minimum_income:.2f}€ * {kk_factor:.3f}' + self.transfer_lines += [TransferLine(None, acc_kk_minimum, kk_minimum_tax, '€', comment)] + kk_add = taxed_income_before_kk * kk_factor - taxed_income_before_kk - kk_minimum_tax kk_add = decimal.Decimal(kk_add).quantize(decimal.Decimal('0.00')) - if finish: - ret += [f' {acc_kk_add} {-last_monthbreak_kk_add}€ ; for old assumption of needed income'] - else: - ret += [f' {acc_kk_minimum} {kk_minimum_tax}€ ; assumed minimum income {kk_minimum_income:.2f}€ * {kk_factor:.3f}'] - if hit_kk_minimum_income_limit: - ret += [f' {acc_kk_add} {kk_add}€ ; {needed_income_before_kk:.2f}€ / (1 - {kk_factor:.3f}) - {needed_income_before_kk:.2f}€ - {kk_minimum_tax}€ = {kk_add_uncorrect:.2f}€ would reduce current {acc_kk_dd} ({kk_add_so_far:.2f}€) below 0'] - else: - ret += [f' {acc_kk_add} {kk_add}€ ; {needed_income_before_kk:.2f}€ / (1 - {kk_factor:.3f}) - {needed_income_before_kk:.2f}€ - {kk_minimum_tax}€'] - diff = - last_monthbreak_est + ESt_this_month - last_monthbreak_kk_add + kk_add - if not finish: - diff += kk_minimum_tax - final_minus = expenses_so_far - old_needed_income_before_anything + diff - ret += [f' {acc_assets} {-diff} €'] - ret += [f' {acc_assets} {final_minus} €'] - year_needed = buffer_expenses + final_minus + (12 - months_passed - 1) * final_minus - if finish: - ret += [f' {acc_buffer} {-final_minus} €'] + if past_kk_add + kk_add < 0: # *if* kk_add would actually kill all earlier kk_add … + kk_add = - past_kk_add # … shrink it so it won't push the kk_add total below 0 + comment = f'local negative as large as possible without moving {acc_kk_add} below zero' else: - ret += [f' {acc_buffer} {-final_minus} € ; assume as to earn in year: {acc_buffer} + {12 - months_passed - 1} * this = {year_needed}'] - return ret + comment = f'({taxed_income_before_kk:.2f}€ * {kk_factor:.3f}) - {taxed_income_before_kk:.2f} - {kk_minimum_tax}' + self.transfer_lines += [TransferLine(None, acc_kk_add, kk_add, '€', comment)] + + diff_through_taxes_and_kk = ESt_this_month + kk_minimum_tax + kk_add + comment = f'{ESt_this_month} + {kk_minimum_tax} + {kk_add}' + self.transfer_lines += [TransferLine(None, acc_assets, -diff_through_taxes_and_kk, '€', comment)] + final_loss = diff_through_taxes_and_kk + needed_netto + comment = f'{needed_netto} + {diff_through_taxes_and_kk}' + self.transfer_lines += [TransferLine(None, acc_assets, final_loss, '€', comment)] + self.transfer_lines += [TransferLine(None, acc_neuanfangspuffer_expenses, -final_loss, '€')] + + +class LedgerDB(PlomDB): + + def __init__(self, prefix, ignore_editable_exceptions=False): + self.prefix = prefix + self.bookings = [] + self.comments = [] + self.text_lines = [] + super().__init__(db_path) + self.bookings = parse_lines_to_bookings(self.text_lines, ignore_editable_exceptions) + + def read_db_file(self, f): + self.text_lines += f.readlines() + + def insert_booking_at_date(self, booking): + place_at = 0 + if len(self.bookings) > 0: + for i, iterated_booking in enumerate(self.bookings): + if booking.date < iterated_booking.date: + break + elif booking.date == iterated_booking.date: + place_at = i + break + else: + place_at = i + 1 + self.bookings.insert(place_at, booking) def ledger_as_html(self): - booking_tmpl = jinja2.Template(booking_html) - single_c_tmpl = jinja2.Template('{{c|e}}
') ## - elements_to_write = [] - last_i = i = 0 ## - for nth, booking in enumerate(self.bookings): - move_up = nth > 0 and self.bookings[nth - 1].date_string == booking.date_string - move_down = nth < len(self.bookings) - 1 and self.bookings[nth + 1].date_string == booking.date_string - booking_end = last_i = booking.start_line + len(booking.lines) - booking_lines = [] - i = booking.start_line ## - elements_to_write += [single_c_tmpl.render(c=c) for c in self.comments[last_i:i] if c != ''] ## - for booking_line in booking.lines[1:]: - i += 1 ## - comment = self.comments[i] ## - if booking_line == '': - booking_lines += [{'acc': None, 'money': None, 'comment': comment}] ## - continue - account = booking_line[0] - money = '' - if booking_line[1] is not None: - money = f'{booking_line[1]} {booking_line[2]}' - booking_lines += [{'acc': booking_line[0], 'money':money, 'comment':comment}] ## - elements_to_write += [booking_tmpl.render( - prefix=self.prefix, - nth=nth, - start=booking.start_line, - end=booking_end, - date=booking.date_string, - desc=booking.description, - head_comment=self.comments[booking.start_line], - move_up=move_up, - move_down=move_down, - booking_lines = booking_lines)] - elements_to_write += [single_c_tmpl.render(c=c) for c in self.comments[last_i:] if c != ''] # - return '\n'.join(elements_to_write) - - def balance_as_html(self, until=None): - bookings = self.bookings[:until if until is None else int(until)] - lines = [] - account_tree, account_sums = bookings_to_account_tree(bookings) - def print_subtree(lines, indent, node, subtree, path): - line = f"{indent}{node}" - n_tabs = 5 - (len(line) // 8) - line += n_tabs * "\t" - if "€" in account_sums[path + node].keys(): - amount = account_sums[path + node]["€"] - line += f"{amount:9.2f} €\t" - else: - line += f"\t\t" - for currency, amount in account_sums[path + node].items(): - if currency != '€' and amount > 0: - line += f"{amount:5.2f} {currency}\t" - lines += [line] - indent += " " - for k, v in sorted(subtree.items()): - print_subtree(lines, indent, k, v, path + node + ":") - for k, v in sorted(account_tree.items()): - print_subtree(lines, "", k, v, "") - content = "\n".join(lines) - return f"
{content}
" - - def add_free(self, start=0, end=0, copy=False): - tmpl = jinja2.Template(add_form_header + add_free_html + add_form_footer) - lines = self.get_lines(start, end) - if copy: - start = end = 0 - return tmpl.render(action=self.prefix + '/add_free', start=start, end=end, lines=lines) - - def add_structured(self, start=0, end=0, copy=False, temp_lines=[], add_empty_line=None): - tmpl = jinja2.Template(add_form_header + add_structured_html + add_form_footer) - lines = temp_lines if len(''.join(temp_lines)) > 0 else self.get_lines(start, end) - bookings, comments = parse_lines(lines, validate_bookings=False) - if len(bookings) > 1: - raise PlomException('can only structurally edit single Booking') - if add_empty_line is not None: - comments = comments[:add_empty_line+1] + [''] + comments[add_empty_line+1:] - booking = bookings[0] - booking.lines = booking.lines[:add_empty_line+1] + [''] + booking.lines[add_empty_line+1:] - action = self.prefix + '/add_structured' - datalist_sets = {'descriptions': set(), 'accounts': set(), 'currencies': set()} - for b in self.bookings: - datalist_sets['descriptions'].add(b.description) - for account, moneys in b.account_changes.items(): - datalist_sets['accounts'].add(account) - for currency in moneys.keys(): - datalist_sets['currencies'].add(currency) - content = '' - today = str(datetime.now())[:10] - booking_lines = [] + for index, booking in enumerate(self.bookings): + booking.can_up = index > 0 and self.bookings[index - 1].date == booking.date + booking.can_down = index < len(self.bookings) - 1 and self.bookings[index + 1].date == booking.date + return j2env.get_template('ledger.html').render(bookings=self.bookings) + + def balance_as_html(self, until_after=None): + bookings = self.bookings[:(until_after if until_after is None else int(until_after)+1)] + account_trunk = Account('', None) + accounts = {account_trunk.full_name: account_trunk} + for booking in bookings: + for full_account_name, moneys in booking.account_changes.items(): + toks = full_account_name.split(':') + path = [] + for tok in toks: + parent_name = ':'.join(path) + path += [tok] + account_name = ':'.join(path) + if not account_name in accounts.keys(): + accounts[account_name] = Account(own_name=tok, parent=accounts[parent_name]) + accounts[full_account_name].add_wealth(moneys) + class Node: + def __init__(self, indent, name, moneys): + self.indent = indent + self.name = name + self.moneys = moneys.money_dict + nodes = [] + def walk_tree(nodes, indent, account): + nodes += [Node(indent, account.own_name, account.full_moneys)] + for child in account.children: + walk_tree(nodes, indent+1, child) + for acc in account_trunk.children: + walk_tree(nodes, 0, acc) + return j2env.get_template('balance.html').render(nodes=nodes) + + def edit(self, index, sent=None, error_msg=None, edit_mode='table', copy=False): + accounts = set() + if sent or -1 == index: + content = sent if sent else ([] if 'textarea'==edit_mode else None) + else: + content = self.bookings[index] + date_today = str(datetime.now())[:10] if copy: - start = end = 0 - desc = head_comment = '' - if len(bookings) == 0: - date=today + content.date = date_today + index = -1 + elif -1 == index and (content is None or [] == content): + content = Booking(date=date_today, validate=False) + if 'textarea' == edit_mode and content: + content = content.for_writing else: - booking = bookings[0] - desc = booking.description - date = today if copy else booking.date_string - head_comment=comments[0] - for i in range(1, len(comments)): - account = amount = currency = '' - if i < len(booking.lines) and booking.lines[i] != '': - account = booking.lines[i][0] - amount = booking.lines[i][1] - currency = booking.lines[i][2] - booking_lines += [{ - 'i': i, - 'acc': account, - 'amt': amount, - 'curr': currency if currency else '€', - 'comment': comments[i], - 'comm_cols': len(comments[i])}] - for i in range(len(comments), len(comments) + 8): - booking_lines += [{'i': i, 'acc': '', 'amt': '', 'curr': '€', 'comment': ''}] - content += tmpl.render( - action=action, - date=date, - desc=desc, - head_comment=head_comment, - booking_lines=booking_lines, - datalist_sets=datalist_sets, - start=start, - end=end) - return content - - def move_up(self, start, end): - prev_booking = None - for redir_nth, b in enumerate(self.bookings): - if b.start_line >= start: - break - prev_booking = b - start_at = prev_booking.start_line - self.make_move(start, end, start_at) - return redir_nth - 1 - - def move_down(self, start, end): - next_booking = None - for redir_nth, b in enumerate(self.bookings): - if b.start_line > start: - next_booking = b - break - start_at = next_booking.start_line + len(next_booking.lines) - (end - start) + 1 - self.make_move(start, end, start_at-1) - return redir_nth - - def make_move(self, start, end, start_at): - lines = self.get_lines(start, end) - total_lines = self.real_lines[:start-1] + self.real_lines[end:] # +1 because we reduce the original position's two empty border lines to in-between line - self.write_lines_in_total_lines_at(total_lines, start_at, lines) - - def booking_lines_from_postvars(self, postvars): - add_empty_line = None - date = postvars['date'][0] - description = postvars['description'][0] - start_comment = postvars['line_0_comment'][0] - start_line = f'{date} {description}' - if start_comment.rstrip() != '': - start_line += f' ; {start_comment}' - lines = [start_line] - if 'line_0_add' in postvars.keys(): - add_empty_line = 0 - i = j = 1 - while f'line_{i}_comment' in postvars.keys(): - if f'line_{i}_delete' in postvars.keys(): - i += 1 - continue - elif f'line_{i}_delete_after' in postvars.keys(): - break - elif f'line_{i}_add' in postvars.keys(): - add_empty_line = j - account = postvars[f'line_{i}_account'][0] - amount = postvars[f'line_{i}_amount'][0] - currency = postvars[f'line_{i}_currency'][0] - comment = postvars[f'line_{i}_comment'][0] - i += 1 - new_main = f' {account} {amount}' - if '' == new_main.rstrip() == comment.rstrip(): # don't write empty lines, ignore currency if nothing else set - continue - if len(amount.rstrip()) > 0: - new_main += f' {currency}' - j += 1 - new_line = new_main - if comment.rstrip() != '': - new_line += f' ; {comment}' - lines += [new_line] - if 'add_sink' in postvars.keys(): - temp_lines = lines.copy() + ['_'] - try: - temp_bookings, _ = parse_lines(temp_lines) - for currency in temp_bookings[0].sink: - amount = temp_bookings[0].sink[currency] - lines += [f'Assets {amount:.2f} {currency}'] - except PlomException: - pass - elif 'add_taxes' in postvars.keys(): - lines += self.add_taxes(lines, finish=False) - elif 'add_taxes2' in postvars.keys(): - lines += self.add_taxes(lines, finish=True) - elif 'replace' in postvars.keys(): - for i, line in enumerate(lines): - lines[i] = line.replace(postvars['replace_from'][0], postvars['replace_to'][0]) - return lines, add_empty_line - + for booking in self.bookings: + for transfer_line in booking.transfer_lines: + accounts.add(transfer_line.account) + return j2env.get_template('edit.html').render( + content=content, + index=index, + error_msg=error_msg, + edit_mode=edit_mode, + accounts=accounts, + adding=-1 == index) + + def move_up(self, index): + return self.move(index, -1) + + def move_down(self, index): + return self.move(index, +1) + + def move(self, index, direction): + to_move = self.bookings[index] + swap_index = index + 1*(direction) + to_swap = self.bookings[swap_index] + self.bookings[index] = to_swap + self.bookings[index + 1*(direction)] = to_move + return swap_index + + def write_db(self): + lines = [] + for i, booking in enumerate(self.bookings): + if i > 0: + lines += [''] + lines += booking.for_writing + self.write_text_to_db('\n'.join(lines) + '\n') class LedgerHandler(PlomHandler): @@ -734,7 +514,7 @@ class LedgerHandler(PlomHandler): def app_init(self, handler): default_path = '/ledger' handler.add_route('GET', default_path, self.forward_gets) - handler.add_route('POST', default_path, self.forward_posts) + handler.add_route('POST', default_path, self.forward_posts) return 'ledger', default_path def do_POST(self): @@ -742,86 +522,92 @@ class LedgerHandler(PlomHandler): def forward_posts(self): prefix = self.apps['ledger'] if hasattr(self, 'apps') else '' - parsed_url = urlparse(self.path) length = int(self.headers['content-length']) postvars = parse_qs(self.rfile.read(length).decode(), keep_blank_values=1) - start = int(postvars['start'][0]) - end = int(postvars['end'][0]) - db = LedgerDB(prefix) - add_empty_line = None - lines = [] - # get inputs - if prefix + '/add_structured' == parsed_url.path and not 'revert' in postvars.keys(): - lines, add_empty_line = db.booking_lines_from_postvars(postvars) - elif prefix + '/add_free' == parsed_url.path and not 'revert' in postvars.keys(): - lines = postvars['booking'][0].splitlines() - # validate where appropriate - if ('save' in postvars.keys()) or ('check' in postvars.keys()): - _, _ = parse_lines(lines) - # if saving, process where to and where to redirect after - if 'save' in postvars.keys(): - last_date = str(datetime.now())[:10] - if len(db.bookings) > 0: - last_date = db.bookings[-1].date_string - target_date = last_date[:] - first_line_tokens = lines[0].split() if len(lines) > 0 else '' - first_token = first_line_tokens[0] if len(first_line_tokens) > 0 else '' - try: - datetime.strptime(first_token, '%Y-%m-%d') - target_date = first_token - except ValueError: - pass - if start == end == 0: - start = db.insert_at_date(lines, target_date) - nth = db.get_nth_for_booking_of_start_line(start) - else: - new_start = db.update(start, end, lines, target_date) - nth = db.get_nth_for_booking_of_start_line(new_start) - if new_start > start: - nth -= 1 - self.redirect(prefix + f'/#{nth}') - # otherwise just re-build editing form - else: - if prefix + '/add_structured' == parsed_url.path: - edit_content = db.add_structured(start, end, temp_lines=lines, add_empty_line=add_empty_line) + db = LedgerDB(prefix, ignore_editable_exceptions=True) + index = 0 + parsed_url = urlparse(self.path) + site = path_split(parsed_url.path)[1] + for string in {'update', 'add', 'check', 'mirror', 'fill_sink', 'textarea', 'table', 'move_up', 'move_down', 'add_taxes', 'replace'}: + if string in postvars.keys(): + submit_button = string + break + if 'ledger' == site and submit_button in {'move_up', 'move_down'}: + mover = getattr(db, submit_button) + index = mover(int(postvars[submit_button][0])) + elif 'edit' == site: + index = int(postvars['index'][0]) + edit_mode = postvars['edit_mode'][0] + validate = submit_button in {'update', 'add', 'copy', 'check'} + starts_at = '?' if index == -1 else db.bookings[index].starts_at + delete = False + if 'textarea' == edit_mode: + lines = [LedgerTextLine(line) for line in postvars['booking'][0].rstrip().split('\n')] + if len(lines) == 1 and lines[0].text_line == 'delete': + delete = True + else: + booking = Booking(lines, starts_at, validate=validate) else: - edit_content = db.add_free(start, end) - header = jinja2.Template(html_head).render(prefix=prefix) - self.send_HTML(header + edit_content) + booking = Booking.from_postvars(postvars, starts_at, validate) + if submit_button in {'update', 'add'}: + if submit_button == 'update': + if 'textarea' == edit_mode and delete: + del db.bookings[index] + # if not creating new Booking, and date unchanged, keep it in place + elif booking.date == db.bookings[index].date: + db.bookings[index] = booking + else: + del db.bookings[index] + db.insert_booking_at_date(booking) + else: + db.insert_booking_at_date(booking) + else: # non-DB-writing calls + error_msg = None + if 'check' == submit_button: + error_msg = 'All looks fine!' + elif submit_button in {'mirror', 'fill_sink', 'add_taxes'}: + if 'add_taxes' == submit_button: + booking.add_taxes(db) + else: + getattr(booking, submit_button)() + elif 'replace' == submit_button: + booking.replace(postvars['replace_from'][0], postvars['replace_to'][0]) + elif submit_button in {'textarea', 'table'}: + edit_mode = submit_button + page = db.edit(index, booking, error_msg=error_msg, edit_mode=edit_mode) + self.send_HTML(page) + return + db.write_db() + index = index if index >= 0 else len(db.bookings) - 1 + self.redirect(f'ledger#{index}') def do_GET(self): self.try_do(self.forward_gets) def forward_gets(self): prefix = self.apps['ledger'] if hasattr(self, 'apps') else '' + try: + db = LedgerDB(prefix=prefix) + except EditableException as e: + # We catch the EditableException for further editing, and then + # re-run the DB initiation without it blocking DB creation. + db = LedgerDB(prefix=prefix, ignore_editable_exceptions=True) + page = db.edit(index=e.booking_index, error_msg=f'ERROR: {e}') + self.send_HTML(page) + return parsed_url = urlparse(self.path) + site = path_split(parsed_url.path)[1] params = parse_qs(parsed_url.query) - start = int(params.get('start', ['0'])[0]) - end = int(params.get('end', ['0'])[0]) - db = LedgerDB(prefix=prefix) - if parsed_url.path == prefix + '/balance': - stop = params.get('stop', [None])[0] + if site == 'balance': + stop = params.get('until_after', [None])[0] page = db.balance_as_html(stop) - elif parsed_url.path == prefix + '/add_free': - page = db.add_free(start, end) - elif parsed_url.path == prefix + '/add_structured': - page = db.add_structured(start, end) - elif parsed_url.path == prefix + '/copy_free': - page = db.add_free(start, end, copy=True) - elif parsed_url.path == prefix + '/copy_structured': - page = db.add_structured(start, end, copy=True) - elif parsed_url.path == prefix + '/move_up': - nth = db.move_up(start, end) - self.redirect(prefix + f'/#{nth}') - return - elif parsed_url.path == prefix + '/move_down': - nth = db.move_down(start, end) - self.redirect(prefix + f'/#{nth}') - return + elif site == 'edit': + index = params.get('i', [-1])[0] + copy = params.get('copy', [0])[0] + page = db.edit(int(index), copy=bool(copy)) else: page = db.ledger_as_html() - header = jinja2.Template(html_head).render(prefix=prefix) - self.send_HTML(header + page) + self.send_HTML(page)