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"""Importer for Crédit Agricole OFX files.

Based on OFX importer, clean the narration field."""
#
# Copyright (C) 2019 Nicolas Schodet
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
#
from beancount.ingest.importers import ofx
from beancount.core import data
import re


class Importer(ofx.Importer):
    """An importer for Crédit Agricole OFX files."""

    def extract(self, file, existing_entries=None):
        entries = super().extract(file)
        new_entries = []
        for entry in entries:
            if isinstance(entry, data.Transaction):
                m = re.fullmatch(r'(.*) / (.*) / OTHER', entry.narration)
                if m:
                    name, memo = m.groups()
                    if memo == '.':
                        memo = None
                    else:
                        memo = ' '.join(memo.split())
                    new_narration = ' / '.join(filter(None, [name, memo]))
                    entry = entry._replace(narration=new_narration)
            new_entries.append(entry)
        return new_entries