421 lines
13 KiB
Python
421 lines
13 KiB
Python
# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
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# License: GNU General Public License v3. See license.txt
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from __future__ import unicode_literals
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import re
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from past.builtins import cmp
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import functools
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import frappe
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from erpnext.accounts.report.utils import get_currency, convert_to_presentation_currency
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from erpnext.accounts.utils import get_fiscal_year
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from frappe import _
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from frappe.utils import (flt, getdate, get_first_day, add_months, add_days, formatdate)
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def get_period_list(from_fiscal_year, to_fiscal_year, periodicity, accumulated_values=False,
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company=None, reset_period_on_fy_change=True):
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"""Get a list of dict {"from_date": from_date, "to_date": to_date, "key": key, "label": label}
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Periodicity can be (Yearly, Quarterly, Monthly)"""
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fiscal_year = get_fiscal_year_data(from_fiscal_year, to_fiscal_year)
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validate_fiscal_year(fiscal_year, from_fiscal_year, to_fiscal_year)
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# start with first day, so as to avoid year to_dates like 2-April if ever they occur]
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year_start_date = getdate(fiscal_year.year_start_date)
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year_end_date = getdate(fiscal_year.year_end_date)
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months_to_add = {
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"Yearly": 12,
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"Half-Yearly": 6,
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"Quarterly": 3,
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"Monthly": 1
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}[periodicity]
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period_list = []
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start_date = year_start_date
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months = get_months(year_start_date, year_end_date)
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for i in range(months // months_to_add):
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period = frappe._dict({
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"from_date": start_date
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})
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to_date = add_months(start_date, months_to_add)
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start_date = to_date
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if to_date == get_first_day(to_date):
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# if to_date is the first day, get the last day of previous month
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to_date = add_days(to_date, -1)
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if to_date <= year_end_date:
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# the normal case
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period.to_date = to_date
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else:
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# if a fiscal year ends before a 12 month period
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period.to_date = year_end_date
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period.to_date_fiscal_year = get_fiscal_year(period.to_date, company=company)[0]
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period.from_date_fiscal_year_start_date = get_fiscal_year(period.from_date, company=company)[1]
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period_list.append(period)
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if period.to_date == year_end_date:
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break
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# common processing
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for opts in period_list:
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key = opts["to_date"].strftime("%b_%Y").lower()
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if periodicity == "Monthly" and not accumulated_values:
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label = formatdate(opts["to_date"], "MMM YYYY")
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else:
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if not accumulated_values:
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label = get_label(periodicity, opts["from_date"], opts["to_date"])
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else:
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if reset_period_on_fy_change:
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label = get_label(periodicity, opts.from_date_fiscal_year_start_date, opts["to_date"])
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else:
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label = get_label(periodicity, period_list[0].from_date, opts["to_date"])
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opts.update({
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"key": key.replace(" ", "_").replace("-", "_"),
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"label": label,
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"year_start_date": year_start_date,
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"year_end_date": year_end_date
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})
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return period_list
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def get_fiscal_year_data(from_fiscal_year, to_fiscal_year):
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fiscal_year = frappe.db.sql("""select min(year_start_date) as year_start_date,
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max(year_end_date) as year_end_date from `tabFiscal Year` where
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name between %(from_fiscal_year)s and %(to_fiscal_year)s""",
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{'from_fiscal_year': from_fiscal_year, 'to_fiscal_year': to_fiscal_year}, as_dict=1)
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return fiscal_year[0] if fiscal_year else {}
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def validate_fiscal_year(fiscal_year, from_fiscal_year, to_fiscal_year):
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if not fiscal_year.get('year_start_date') and not fiscal_year.get('year_end_date'):
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frappe.throw(_("End Year cannot be before Start Year"))
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def get_months(start_date, end_date):
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diff = (12 * end_date.year + end_date.month) - (12 * start_date.year + start_date.month)
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return diff + 1
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def get_label(periodicity, from_date, to_date):
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if periodicity == "Yearly":
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if formatdate(from_date, "YYYY") == formatdate(to_date, "YYYY"):
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label = formatdate(from_date, "YYYY")
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else:
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label = formatdate(from_date, "YYYY") + "-" + formatdate(to_date, "YYYY")
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else:
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label = formatdate(from_date, "MMM YY") + "-" + formatdate(to_date, "MMM YY")
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return label
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def get_data(
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company, root_type, balance_must_be, period_list, filters=None,
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accumulated_values=1, only_current_fiscal_year=True, ignore_closing_entries=False,
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ignore_accumulated_values_for_fy=False):
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accounts = get_accounts(company, root_type)
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if not accounts:
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return None
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accounts, accounts_by_name, parent_children_map = filter_accounts(accounts)
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company_currency = get_appropriate_currency(company, filters)
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gl_entries_by_account = {}
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for root in frappe.db.sql("""select lft, rgt from tabAccount
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where root_type=%s and ifnull(parent_account, '') = ''""", root_type, as_dict=1):
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set_gl_entries_by_account(
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company,
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period_list[0]["year_start_date"] if only_current_fiscal_year else None,
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period_list[-1]["to_date"],
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root.lft, root.rgt, filters,
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gl_entries_by_account, ignore_closing_entries=ignore_closing_entries
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)
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calculate_values(
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accounts_by_name, gl_entries_by_account, period_list, accumulated_values, ignore_accumulated_values_for_fy)
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accumulate_values_into_parents(accounts, accounts_by_name, period_list, accumulated_values)
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out = prepare_data(accounts, balance_must_be, period_list, company_currency)
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out = filter_out_zero_value_rows(out, parent_children_map)
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if out:
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add_total_row(out, root_type, balance_must_be, period_list, company_currency)
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return out
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def get_appropriate_currency(company, filters=None):
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if filters and filters.get("presentation_currency"):
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return filters["presentation_currency"]
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else:
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return frappe.db.get_value("Company", company, "default_currency")
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def calculate_values(
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accounts_by_name, gl_entries_by_account, period_list, accumulated_values, ignore_accumulated_values_for_fy):
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for entries in gl_entries_by_account.values():
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for entry in entries:
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d = accounts_by_name.get(entry.account)
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if not d:
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frappe.msgprint(
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_("Could not retrieve information for {0}.".format(entry.account)), title="Error",
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raise_exception=1
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)
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for period in period_list:
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# check if posting date is within the period
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if entry.posting_date <= period.to_date:
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if (accumulated_values or entry.posting_date >= period.from_date) and \
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(not ignore_accumulated_values_for_fy or
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entry.fiscal_year == period.to_date_fiscal_year):
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d[period.key] = d.get(period.key, 0.0) + flt(entry.debit) - flt(entry.credit)
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if entry.posting_date < period_list[0].year_start_date:
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d["opening_balance"] = d.get("opening_balance", 0.0) + flt(entry.debit) - flt(entry.credit)
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def accumulate_values_into_parents(accounts, accounts_by_name, period_list, accumulated_values):
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"""accumulate children's values in parent accounts"""
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for d in reversed(accounts):
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if d.parent_account:
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for period in period_list:
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accounts_by_name[d.parent_account][period.key] = \
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accounts_by_name[d.parent_account].get(period.key, 0.0) + d.get(period.key, 0.0)
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accounts_by_name[d.parent_account]["opening_balance"] = \
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accounts_by_name[d.parent_account].get("opening_balance", 0.0) + d.get("opening_balance", 0.0)
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def prepare_data(accounts, balance_must_be, period_list, company_currency):
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data = []
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year_start_date = period_list[0]["year_start_date"].strftime("%Y-%m-%d")
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year_end_date = period_list[-1]["year_end_date"].strftime("%Y-%m-%d")
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for d in accounts:
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# add to output
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has_value = False
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total = 0
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row = frappe._dict({
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"account_name": _(d.account_name),
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"account": _(d.name),
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"parent_account": _(d.parent_account),
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"indent": flt(d.indent),
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"year_start_date": year_start_date,
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"year_end_date": year_end_date,
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"currency": company_currency,
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"opening_balance": d.get("opening_balance", 0.0) * (1 if balance_must_be == "Debit" else -1)
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})
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for period in period_list:
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if d.get(period.key) and balance_must_be == "Credit":
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# change sign based on Debit or Credit, since calculation is done using (debit - credit)
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d[period.key] *= -1
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row[period.key] = flt(d.get(period.key, 0.0), 3)
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if abs(row[period.key]) >= 0.005:
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# ignore zero values
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has_value = True
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total += flt(row[period.key])
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row["has_value"] = has_value
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row["total"] = total
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data.append(row)
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return data
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def filter_out_zero_value_rows(data, parent_children_map, show_zero_values=False):
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data_with_value = []
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for d in data:
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if show_zero_values or d.get("has_value"):
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data_with_value.append(d)
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else:
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# show group with zero balance, if there are balances against child
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children = [child.name for child in parent_children_map.get(d.get("account")) or []]
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if children:
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for row in data:
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if row.get("account") in children and row.get("has_value"):
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data_with_value.append(d)
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break
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return data_with_value
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def add_total_row(out, root_type, balance_must_be, period_list, company_currency):
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total_row = {
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"account_name": "'" + _("Total {0} ({1})").format(_(root_type), _(balance_must_be)) + "'",
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"account": "'" + _("Total {0} ({1})").format(_(root_type), _(balance_must_be)) + "'",
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"currency": company_currency
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}
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for row in out:
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if not row.get("parent_account"):
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for period in period_list:
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total_row.setdefault(period.key, 0.0)
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total_row[period.key] += row.get(period.key, 0.0)
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row[period.key] = 0.0
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total_row.setdefault("total", 0.0)
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total_row["total"] += flt(row["total"])
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row["total"] = ""
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if "total" in total_row:
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out.append(total_row)
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# blank row after Total
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out.append({})
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def get_accounts(company, root_type):
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return frappe.db.sql(
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"""select name, parent_account, lft, rgt, root_type, report_type, account_name from `tabAccount`
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where company=%s and root_type=%s order by lft""", (company, root_type), as_dict=True)
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def filter_accounts(accounts, depth=10):
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parent_children_map = {}
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accounts_by_name = {}
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for d in accounts:
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accounts_by_name[d.name] = d
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parent_children_map.setdefault(d.parent_account or None, []).append(d)
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filtered_accounts = []
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def add_to_list(parent, level):
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if level < depth:
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children = parent_children_map.get(parent) or []
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if parent == None:
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sort_root_accounts(children)
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for child in children:
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child.indent = level
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filtered_accounts.append(child)
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add_to_list(child.name, level + 1)
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add_to_list(None, 0)
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return filtered_accounts, accounts_by_name, parent_children_map
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def sort_root_accounts(roots):
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"""Sort root types as Asset, Liability, Equity, Income, Expense"""
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def compare_roots(a, b):
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if a.value and re.split('\W+', a.value)[0].isdigit():
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# if chart of accounts is numbered, then sort by number
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return cmp(a.value, b.value)
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if a.report_type != b.report_type and a.report_type == "Balance Sheet":
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return -1
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if a.root_type != b.root_type and a.root_type == "Asset":
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return -1
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if a.root_type == "Liability" and b.root_type == "Equity":
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return -1
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if a.root_type == "Income" and b.root_type == "Expense":
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return -1
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return 1
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roots.sort(key = functools.cmp_to_key(compare_roots))
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def set_gl_entries_by_account(
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company, from_date, to_date, root_lft, root_rgt, filters, gl_entries_by_account, ignore_closing_entries=False):
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"""Returns a dict like { "account": [gl entries], ... }"""
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additional_conditions = get_additional_conditions(from_date, ignore_closing_entries, filters)
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gl_entries = frappe.db.sql("""select posting_date, account, debit, credit, is_opening, fiscal_year, debit_in_account_currency, credit_in_account_currency, account_currency from `tabGL Entry`
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where company=%(company)s
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{additional_conditions}
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and posting_date <= %(to_date)s
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and account in (select name from `tabAccount`
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where lft >= %(lft)s and rgt <= %(rgt)s)
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order by account, posting_date""".format(additional_conditions=additional_conditions),
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{
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"company": company,
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"from_date": from_date,
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"to_date": to_date,
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"lft": root_lft,
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"rgt": root_rgt
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},
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as_dict=True)
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if filters and filters.get('presentation_currency'):
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convert_to_presentation_currency(gl_entries, get_currency(filters))
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for entry in gl_entries:
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gl_entries_by_account.setdefault(entry.account, []).append(entry)
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return gl_entries_by_account
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def get_additional_conditions(from_date, ignore_closing_entries, filters):
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additional_conditions = []
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if ignore_closing_entries:
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additional_conditions.append("ifnull(voucher_type, '')!='Period Closing Voucher'")
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if from_date:
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additional_conditions.append("posting_date >= %(from_date)s")
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if filters:
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if filters.get("project"):
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additional_conditions.append("project = '%s'" % (frappe.db.escape(filters.get("project"))))
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if filters.get("cost_center"):
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additional_conditions.append(get_cost_center_cond(filters.get("cost_center")))
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return " and {}".format(" and ".join(additional_conditions)) if additional_conditions else ""
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def get_cost_center_cond(cost_center):
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lft, rgt = frappe.db.get_value("Cost Center", cost_center, ["lft", "rgt"])
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return """ cost_center in (select name from `tabCost Center` where lft >=%s and rgt <=%s)""" % (lft, rgt)
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def get_columns(periodicity, period_list, accumulated_values=1, company=None):
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columns = [{
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"fieldname": "account",
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"label": _("Account"),
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"fieldtype": "Link",
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"options": "Account",
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"width": 300
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}]
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if company:
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columns.append({
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"fieldname": "currency",
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"label": _("Currency"),
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"fieldtype": "Link",
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"options": "Currency",
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"hidden": 1
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})
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for period in period_list:
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columns.append({
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"fieldname": period.key,
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"label": period.label,
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"fieldtype": "Currency",
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"options": "currency",
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"width": 150
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})
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if periodicity!="Yearly":
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if not accumulated_values:
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columns.append({
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"fieldname": "total",
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"label": _("Total"),
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"fieldtype": "Currency",
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"width": 150
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})
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return columns
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